Restyle UI (#690)

* enable testnet flavor
* v0.17.1.0
* migrate to androidx & material
* new color themes
* bump version v1.15.2

.gitignore

@@ -14,3 +14,4 @@
 /app/prodMainnet
 /app/alphaStagenet
 /app/prodStagenet
+/app/.cxx

app/build.gradle

@@ -2,15 +2,14 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    buildToolsVersion '29.0.2'
     defaultConfig {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 203
-        versionName "1.12.13 'Caerbannog'"
-
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        versionCode 502
+        versionName "1.15.2 'Dark Fork'"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
                 cppFlags "-std=c++11"
@@ -18,6 +17,11 @@ android {
             }
         }
     }
+    bundle {
+        language {
+            enableSplit = false
+        }
+    }
 
     flavorDimensions 'type', 'net'
     productFlavors {
@@ -29,6 +33,11 @@ android {
             applicationIdSuffix '.stage'
             versionNameSuffix ' (stage)'
         }
+        devnet {
+            dimension 'net'
+            applicationIdSuffix '.test'
+            versionNameSuffix ' (test)'
+        }
         alpha {
             dimension 'type'
             applicationIdSuffix '.alpha'
@@ -71,7 +80,8 @@ android {
     def availableLocales = ["en"]
     new File("app/src/main/res/").eachFileMatch(~/^values-.*/) { file ->
         def languageTag = file.name.substring(7).replace("-r", "-")
-        availableLocales.add(languageTag)
+        if (languageTag != "night")
+            availableLocales.add(languageTag)
     }
 
     // APKs for the same app that all have the same version information.
@@ -93,36 +103,41 @@ android {
                 outputFileName = "$rootProject.ext.apkName-" + v + "_" + abiName + ".apk"
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
-    implementation "com.android.support:appcompat-v7:$rootProject.ext.supportVersion"
-    implementation "com.android.support:design:$rootProject.ext.supportVersion"
-    implementation "com.android.support:support-v4:$rootProject.ext.supportVersion"
-    implementation "com.android.support:recyclerview-v7:$rootProject.ext.supportVersion"
-    implementation "com.android.support:cardview-v7:$rootProject.ext.supportVersion"
-    implementation "com.android.support:swiperefreshlayout:$rootProject.ext.supportVersion"
-    implementation 'me.dm7.barcodescanner:zxing:1.9.8'
+    implementation 'androidx.core:core:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation group: 'com.google.android.material', name: 'material', version: '1.3.0-alpha03'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
 
+    implementation 'me.dm7.barcodescanner:zxing:1.9.8'
     implementation "com.squareup.okhttp3:okhttp:$rootProject.ext.okHttpVersion"
-    implementation "com.burgstaller:okhttp-digest:1.18"
+    implementation "com.burgstaller:okhttp-digest:2.0"
     implementation "com.jakewharton.timber:timber:$rootProject.ext.timberVersion"
 
-    implementation 'com.nulab-inc:zxcvbn:1.2.3'
+    implementation 'com.nulab-inc:zxcvbn:1.3.0'
 
-    implementation 'dnsjava:dnsjava:2.1.8'
-    implementation 'org.jitsi:dnssecjava:1.1.3'
-    implementation 'org.slf4j:slf4j-nop:1.7.25'
+    implementation 'dnsjava:dnsjava:2.1.9'
+    implementation 'org.jitsi:dnssecjava:1.2.0'
+    implementation 'org.slf4j:slf4j-nop:1.7.30'
     implementation 'com.github.brnunes:swipeablerecyclerview:1.0.2'
 
     // https://mvnrepository.com/artifact/com.github.aelstad/keccakj
     implementation 'com.github.aelstad:keccakj:1.1.0'
 
-
     testImplementation "junit:junit:$rootProject.ext.junitVersion"
     testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
     testImplementation "com.squareup.okhttp3:mockwebserver:$rootProject.ext.okHttpVersion"
     testImplementation 'org.json:json:20180813'
     testImplementation 'net.jodah:concurrentunit:0.4.4'
-
 }

app/src/main/AndroidManifest.xml

@@ -20,24 +20,28 @@
         android:supportsRtl="true"
         android:theme="@style/MyMaterialTheme"
         android:usesCleartextTraffic="true">
-
         <activity
-            android:name=".WalletActivity"
-            android:configChanges="orientation|keyboardHidden"
-            android:label="@string/wallet_activity_name"
-            android:launchMode="singleTask"
-            android:screenOrientation="behind" />
-
-        <activity
-            android:name=".LoginActivity"
-            android:configChanges="orientation|keyboardHidden"
-            android:label="@string/app_name"
+            android:name=".MainActivity"
+            android:configChanges="orientation|keyboardHidden|uiMode"
             android:launchMode="singleTop"
-            android:screenOrientation="locked">
+            android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+        </activity>
+        <activity
+            android:name=".WalletActivity"
+            android:configChanges="orientation|keyboardHidden|uiMode"
+            android:label="@string/wallet_activity_name"
+            android:launchMode="singleTask"
+            android:screenOrientation="behind"/>
+        <activity
+            android:name=".LoginActivity"
+            android:configChanges="orientation|keyboardHidden|uiMode"
+            android:label="@string/app_name"
+            android:launchMode="singleTop"
+            android:screenOrientation="locked">
             <intent-filter>
                 <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
             </intent-filter>
@@ -62,6 +66,11 @@
                 android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
                 android:resource="@xml/usb_device_filter" />
         </activity>
+        <activity
+            android:name=".onboarding.OnBoardingActivity"
+            android:configChanges="orientation|keyboardHidden|uiMode"
+            android:launchMode="singleTask"
+            android:screenOrientation="portrait" />
 
         <service
             android:name=".service.WalletService"
@@ -70,7 +79,7 @@
             android:label="Monero Wallet Service" />
 
         <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.fileprovider"
             android:exported="false"
             android:grantUriPermissions="true">
@@ -79,4 +88,4 @@
                 android:resource="@xml/filepaths" />
         </provider>
     </application>
-</manifest>
+</manifest>

app/src/main/java/com/m2049r/xmrwallet/BaseActivity.java

@@ -15,9 +15,9 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PowerManager;
-import android.support.annotation.CallSuper;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import androidx.annotation.CallSuper;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
 import android.widget.Toast;
 
 import com.m2049r.xmrwallet.data.BarcodeData;

app/src/main/java/com/m2049r/xmrwallet/GenerateFragment.java

@@ -17,13 +17,9 @@
 package com.m2049r.xmrwallet;
 
 import android.app.Activity;
-import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.design.widget.TextInputLayout;
-import android.support.v4.app.Fragment;
 import android.text.Editable;
 import android.text.Html;
 import android.text.InputType;
@@ -38,9 +34,15 @@ import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.LinearLayout;
-import android.widget.Switch;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.switchmaterial.SwitchMaterial;
+import com.google.android.material.textfield.TextInputLayout;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.FingerprintHelper;
@@ -202,13 +204,13 @@ public class GenerateFragment extends Fragment {
         if (FingerprintHelper.isDeviceSupported(getContext())) {
             llFingerprintAuth.setVisibility(View.VISIBLE);
 
-            final Switch swFingerprintAllowed = (Switch) llFingerprintAuth.getChildAt(0);
+            final SwitchMaterial swFingerprintAllowed = (SwitchMaterial) llFingerprintAuth.getChildAt(0);
             swFingerprintAllowed.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View view) {
                     if (!swFingerprintAllowed.isChecked()) return;
 
-                    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+                    MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity());
                     builder.setMessage(Html.fromHtml(getString(R.string.generate_fingerprint_warn)))
                             .setCancelable(false)
                             .setPositiveButton(getString(R.string.label_ok), null)
@@ -507,7 +509,7 @@ public class GenerateFragment extends Fragment {
 
         String name = etWalletName.getEditText().getText().toString();
         String password = etWalletPassword.getEditText().getText().toString();
-        boolean fingerprintAuthAllowed = ((Switch) llFingerprintAuth.getChildAt(0)).isChecked();
+        boolean fingerprintAuthAllowed = ((SwitchMaterial) llFingerprintAuth.getChildAt(0)).isChecked();
 
         // create the real wallet password
         String crazyPass = KeyStoreHelper.getCrazyPass(getActivity(), password);
@@ -646,7 +648,7 @@ public class GenerateFragment extends Fragment {
         if (ledgerDialog != null) return;
         final Activity activity = getActivity();
         View promptsView = getLayoutInflater().inflate(R.layout.prompt_ledger_seed, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
+        MaterialAlertDialogBuilder alertDialogBuilder = new MaterialAlertDialogBuilder(activity);
         alertDialogBuilder.setView(promptsView);
 
         final TextInputLayout etSeed = promptsView.findViewById(R.id.etSeed);

app/src/main/java/com/m2049r/xmrwallet/GenerateReviewFragment.java

@@ -16,14 +16,10 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.design.widget.TextInputLayout;
-import android.support.v4.app.Fragment;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;
@@ -40,10 +36,17 @@ import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
 import android.widget.ScrollView;
-import android.widget.Switch;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.switchmaterial.SwitchMaterial;
+import com.google.android.material.textfield.TextInputLayout;
 import com.m2049r.xmrwallet.ledger.Ledger;
 import com.m2049r.xmrwallet.ledger.LedgerProgressDialog;
 import com.m2049r.xmrwallet.model.NetworkType;
@@ -118,31 +121,11 @@ public class GenerateReviewFragment extends Fragment {
         tvWalletSpendKey.setTextIsSelectable(allowCopy);
         tvWalletPassword.setTextIsSelectable(allowCopy);
 
-        bAccept.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                acceptWallet();
-            }
-        });
-        view.findViewById(R.id.bCopyViewKey).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                copyViewKey();
-            }
-        });
-        bCopyAddress.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                copyAddress();
-            }
-        });
-        bCopyAddress.setClickable(false);
-        view.findViewById(R.id.bAdvancedInfo).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                showAdvancedInfo();
-            }
-        });
+        bAccept.setOnClickListener(v -> acceptWallet());
+        view.findViewById(R.id.bCopyViewKey).setOnClickListener(v -> copyViewKey());
+        bCopyAddress.setEnabled(false);
+        bCopyAddress.setOnClickListener(v -> copyAddress());
+        view.findViewById(R.id.bAdvancedInfo).setOnClickListener(v -> showAdvancedInfo());
 
         Bundle args = getArguments();
         type = args.getString(REQUEST_TYPE);
@@ -287,8 +270,7 @@ public class GenerateReviewFragment extends Fragment {
                     showAdvanced = true;
                 }
                 if (showAdvanced) bAdvancedInfo.setVisibility(View.VISIBLE);
-                bCopyAddress.setClickable(true);
-                bCopyAddress.setImageResource(R.drawable.ic_content_copy_black_24dp);
+                bCopyAddress.setEnabled(true);
                 activityCallback.setTitle(name, getString(R.string.details_title));
                 activityCallback.setToolbarButton(
                         GenerateReviewFragment.VIEW_TYPE_ACCEPT.equals(type) ? Toolbar.BUTTON_NONE : Toolbar.BUTTON_BACK);
@@ -352,7 +334,7 @@ public class GenerateReviewFragment extends Fragment {
     }
 
     @Override
-    public void onAttach(Context context) {
+    public void onAttach(@NonNull Context context) {
         super.onAttach(context);
         if (context instanceof Listener) {
             this.activityCallback = (Listener) context;
@@ -399,7 +381,7 @@ public class GenerateReviewFragment extends Fragment {
     }
 
     @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+    public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
         String type = getArguments().getString(REQUEST_TYPE); // intance variable <type> not set yet
         if (GenerateReviewFragment.VIEW_TYPE_ACCEPT.equals(type)) {
             inflater.inflate(R.menu.wallet_details_help_menu, menu);
@@ -448,7 +430,7 @@ public class GenerateReviewFragment extends Fragment {
         protected Boolean doInBackground(String... params) {
             if (params.length != 2) return false;
             final String userPassword = params[0];
-            final boolean fingerPassValid = Boolean.valueOf(params[1]);
+            final boolean fingerPassValid = Boolean.parseBoolean(params[1]);
             newPassword = KeyStoreHelper.getCrazyPass(getActivity(), userPassword);
             final boolean success = changeWalletPassword(newPassword);
             if (success) {
@@ -488,7 +470,7 @@ public class GenerateReviewFragment extends Fragment {
         LayoutInflater li = LayoutInflater.from(getActivity());
         View promptsView = li.inflate(R.layout.prompt_changepw, null);
 
-        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
+        AlertDialog.Builder alertDialogBuilder = new MaterialAlertDialogBuilder(getActivity());
         alertDialogBuilder.setView(promptsView);
 
         final TextInputLayout etPasswordA = promptsView.findViewById(R.id.etWalletPasswordA);
@@ -498,7 +480,7 @@ public class GenerateReviewFragment extends Fragment {
         etPasswordB.setHint(getString(R.string.prompt_changepwB, walletName));
 
         LinearLayout llFingerprintAuth = promptsView.findViewById(R.id.llFingerprintAuth);
-        final Switch swFingerprintAllowed = (Switch) llFingerprintAuth.getChildAt(0);
+        final SwitchMaterial swFingerprintAllowed = (SwitchMaterial) llFingerprintAuth.getChildAt(0);
         if (FingerprintHelper.isDeviceSupported(getActivity())) {
             llFingerprintAuth.setVisibility(View.VISIBLE);
 
@@ -507,7 +489,7 @@ public class GenerateReviewFragment extends Fragment {
                 public void onClick(View view) {
                     if (!swFingerprintAllowed.isChecked()) return;
 
-                    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+                    AlertDialog.Builder builder = new MaterialAlertDialogBuilder(getActivity());
                     builder.setMessage(Html.fromHtml(getString(R.string.generate_fingerprint_warn)))
                             .setCancelable(false)
                             .setPositiveButton(getString(R.string.label_ok), null)
@@ -596,7 +578,7 @@ public class GenerateReviewFragment extends Fragment {
                             etPasswordA.setError(getString(R.string.generate_empty_passwordB));
                         } else if (!newPasswordA.equals(newPasswordB)) {
                             etPasswordB.setError(getString(R.string.generate_bad_passwordB));
-                        } else if (newPasswordA.equals(newPasswordB)) {
+                        } else {
                             new AsyncChangePassword().execute(newPasswordA, Boolean.toString(swFingerprintAllowed.isChecked()));
                             Helper.hideKeyboardAlways(getActivity());
                             openDialog.dismiss();
@@ -619,7 +601,7 @@ public class GenerateReviewFragment extends Fragment {
                         etPasswordA.setError(getString(R.string.generate_empty_passwordB));
                     } else if (!newPasswordA.equals(newPasswordB)) {
                         etPasswordB.setError(getString(R.string.generate_bad_passwordB));
-                    } else if (newPasswordA.equals(newPasswordB)) {
+                    } else {
                         new AsyncChangePassword().execute(newPasswordA, Boolean.toString(swFingerprintAllowed.isChecked()));
                         Helper.hideKeyboardAlways(getActivity());
                         openDialog.dismiss();

app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java

@@ -16,7 +16,6 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.AlertDialog;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -30,10 +29,6 @@ import android.hardware.usb.UsbManager;
 import android.media.MediaScannerConnection;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
@@ -43,6 +38,14 @@ import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.data.Node;
 import com.m2049r.xmrwallet.data.NodeInfo;
 import com.m2049r.xmrwallet.dialog.AboutFragment;
@@ -55,10 +58,13 @@ import com.m2049r.xmrwallet.model.NetworkType;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.service.WalletService;
+import com.m2049r.xmrwallet.util.ColorHelper;
+import com.m2049r.xmrwallet.util.DayNightMode;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.KeyStoreHelper;
 import com.m2049r.xmrwallet.util.LocaleHelper;
 import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
+import com.m2049r.xmrwallet.util.NightmodeHelper;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.io.File;
@@ -69,7 +75,6 @@ import java.nio.channels.FileChannel;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
@@ -85,6 +90,7 @@ public class LoginActivity extends BaseActivity
     private static final String GENERATE_STACK = "gen";
 
     private static final String NODES_PREFS_NAME = "nodes";
+    private static final String PREF_DAEMON_TESTNET = "daemon_testnet";
     private static final String PREF_DAEMON_STAGENET = "daemon_stagenet";
     private static final String PREF_DAEMON_MAINNET = "daemon_mainnet";
 
@@ -163,6 +169,10 @@ public class LoginActivity extends BaseActivity
                     loadLegacyList(sharedPref.getString(PREF_DAEMON_STAGENET, null));
                     sharedPref.edit().remove(PREF_DAEMON_STAGENET).apply();
                     break;
+                case NetworkType_Testnet:
+                    loadLegacyList(sharedPref.getString(PREF_DAEMON_TESTNET, null));
+                    sharedPref.edit().remove(PREF_DAEMON_TESTNET).apply();
+                    break;
                 default:
                     throw new IllegalStateException("unsupported net " + WalletManager.getInstance().getNetworkType());
             }
@@ -315,10 +325,14 @@ public class LoginActivity extends BaseActivity
                         if (WalletManager.getInstance().walletExists(walletFile)) {
                             Helper.promptPassword(LoginActivity.this, walletName, true, new Helper.PasswordAction() {
                                 @Override
-                                public void action(String walletName, String password, boolean fingerprintUsed) {
+                                public void act(String walletName, String password, boolean fingerprintUsed) {
                                     if (checkDevice(walletName, password))
                                         startDetails(walletFile, password, GenerateReviewFragment.VIEW_TYPE_DETAILS);
                                 }
+
+                                @Override
+                                public void fail(String walletName, String password, boolean fingerprintUsed) {
+                                }
                             });
                         } else { // this cannot really happen as we prefilter choices
                             Timber.e("Wallet missing: %s", walletName);
@@ -333,8 +347,8 @@ public class LoginActivity extends BaseActivity
             }
         };
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(this);
-        AlertDialog diag = builder.setMessage(getString(R.string.details_alert_message))
+        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(this);
+        builder.setMessage(getString(R.string.details_alert_message))
                 .setPositiveButton(getString(R.string.details_alert_yes), dialogClickListener)
                 .setNegativeButton(getString(R.string.details_alert_no), dialogClickListener)
                 .show();
@@ -348,10 +362,14 @@ public class LoginActivity extends BaseActivity
         if (WalletManager.getInstance().walletExists(walletFile)) {
             Helper.promptPassword(LoginActivity.this, walletName, false, new Helper.PasswordAction() {
                 @Override
-                public void action(String walletName, String password, boolean fingerprintUsed) {
+                public void act(String walletName, String password, boolean fingerprintUsed) {
                     if (checkDevice(walletName, password))
                         startReceive(walletFile, password);
                 }
+
+                @Override
+                public void fail(String walletName, String password, boolean fingerprintUsed) {
+                }
             });
         } else { // this cannot really happen as we prefilter choices
             Toast.makeText(this, getString(R.string.bad_wallet), Toast.LENGTH_SHORT).show();
@@ -418,7 +436,7 @@ public class LoginActivity extends BaseActivity
         LayoutInflater li = LayoutInflater.from(this);
         View promptsView = li.inflate(R.layout.prompt_rename, null);
 
-        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
+        AlertDialog.Builder alertDialogBuilder = new MaterialAlertDialogBuilder(this);
         alertDialogBuilder.setView(promptsView);
 
         final EditText etRename = promptsView.findViewById(R.id.etRename);
@@ -573,7 +591,7 @@ public class LoginActivity extends BaseActivity
             }
         };
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(this);
         builder.setMessage(getString(R.string.archive_alert_message))
                 .setTitle(walletName)
                 .setPositiveButton(getString(R.string.archive_alert_yes), dialogClickListener)
@@ -645,11 +663,11 @@ public class LoginActivity extends BaseActivity
                 break;
             case NetworkType_Testnet:
                 toolbar.setSubtitle(getString(R.string.connect_testnet));
-                toolbar.setBackgroundResource(R.color.colorPrimaryDark);
+                toolbar.setBackgroundResource(ColorHelper.getThemedResourceId(this, R.attr.colorPrimaryDark));
                 break;
             case NetworkType_Stagenet:
                 toolbar.setSubtitle(getString(R.string.connect_stagenet));
-                toolbar.setBackgroundResource(R.color.colorPrimaryDark);
+                toolbar.setBackgroundResource(ColorHelper.getThemedResourceId(this, R.attr.colorPrimaryDark));
                 break;
             default:
                 throw new IllegalStateException("NetworkType unknown: " + net);
@@ -1116,41 +1134,54 @@ public class LoginActivity extends BaseActivity
 
     public void onChangeLocale() {
         final ArrayList<Locale> availableLocales = LocaleHelper.getAvailableLocales(LoginActivity.this);
-        String[] localeDisplayName = new String[1 + availableLocales.size()];
-
-        Collections.sort(availableLocales, new Comparator<Locale>() {
-            @Override
-            public int compare(Locale locale1, Locale locale2) {
-                String localeString1 = LocaleHelper.getDisplayName(locale1, true);
-                String localeString2 = LocaleHelper.getDisplayName(locale2, true);
-                return localeString1.compareTo(localeString2);
-            }
+        Collections.sort(availableLocales, (locale1, locale2) -> {
+            String localeString1 = LocaleHelper.getDisplayName(locale1, true);
+            String localeString2 = LocaleHelper.getDisplayName(locale2, true);
+            return localeString1.compareTo(localeString2);
         });
 
-        localeDisplayName[0] = getString(R.string.language_system_default);
-        for (int i = 1; i < localeDisplayName.length; i++) {
-            Locale locale = availableLocales.get(i - 1);
-            localeDisplayName[i] = LocaleHelper.getDisplayName(locale, true);
+        String[] localeDisplayNames = new String[1 + availableLocales.size()];
+        localeDisplayNames[0] = getString(R.string.language_system_default);
+        for (int i = 1; i < localeDisplayNames.length; i++) {
+            localeDisplayNames[i] = LocaleHelper.getDisplayName(availableLocales.get(i - 1), true);
         }
 
         int currentLocaleIndex = 0;
-        String currentLocaleName = LocaleHelper.getLocale(LoginActivity.this);
-        if (!currentLocaleName.isEmpty()) {
-            Locale currentLocale = Locale.forLanguageTag(currentLocaleName);
-            String currentLocalizedString = LocaleHelper.getDisplayName(currentLocale, true);
-            currentLocaleIndex = Arrays.asList(localeDisplayName).indexOf(currentLocalizedString);
+        String currentLocaleTag = LocaleHelper.getPreferredLanguageTag(LoginActivity.this);
+        if (!currentLocaleTag.isEmpty()) {
+            Locale currentLocale = Locale.forLanguageTag(currentLocaleTag);
+            String currentLocaleName = LocaleHelper.getDisplayName(currentLocale, true);
+            currentLocaleIndex = Arrays.asList(localeDisplayNames).indexOf(currentLocaleName);
+            if (currentLocaleIndex < 0) currentLocaleIndex = 0;
         }
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
+        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(LoginActivity.this);
         builder.setTitle(getString(R.string.menu_language));
-        builder.setSingleChoiceItems(localeDisplayName, currentLocaleIndex, new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int i) {
-                dialog.dismiss();
+        builder.setSingleChoiceItems(localeDisplayNames, currentLocaleIndex, (dialog, i) -> {
+            dialog.dismiss();
 
-                LocaleHelper.setLocale(LoginActivity.this,
-                        (i == 0) ? "" : availableLocales.get(i - 1).toLanguageTag());
-                startActivity(getIntent().addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK));
+            LocaleHelper.setAndSaveLocale(this,
+                    (i == 0) ? "" : availableLocales.get(i - 1).toLanguageTag());
+            startActivity(getIntent().addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK));
+        });
+        builder.show();
+    }
+
+    public void onChangeTheme() {
+        final DayNightMode currentDayNightSetting = DayNightMode.getValue(AppCompatDelegate.getDefaultNightMode());
+        // selection will be empty if UNKNOWN
+
+        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(LoginActivity.this);
+        builder.setTitle(getString(R.string.menu_daynight));
+
+        String[] modeNames = getResources().getStringArray(R.array.daynight_themes);
+
+        builder.setSingleChoiceItems(modeNames, currentDayNightSetting.ordinal(), (dialog, i) -> {
+            dialog.dismiss();
+            final DayNightMode mode = DayNightMode.values()[i];
+            if (currentDayNightSetting != mode) {
+                NightmodeHelper.setAndSavePreferredNightmode(LoginActivity.this, mode);
+                LoginActivity.this.recreate();
             }
         });
         builder.show();
@@ -1219,6 +1250,9 @@ public class LoginActivity extends BaseActivity
             case R.id.action_language:
                 onChangeLocale();
                 return true;
+            case R.id.action_theme:
+                onChangeTheme();
+                return true;
             case R.id.action_ledger_seed:
                 Fragment f = getSupportFragmentManager().findFragmentById(R.id.fragment_container);
                 if (f instanceof GenerateFragment) {
@@ -1306,10 +1340,15 @@ public class LoginActivity extends BaseActivity
             Helper.promptPassword(LoginActivity.this, walletName, false,
                     new Helper.PasswordAction() {
                         @Override
-                        public void action(String walletName, String password, boolean fingerprintUsed) {
+                        public void act(String walletName, String password, boolean fingerprintUsed) {
                             if (checkDevice(walletName, password))
                                 startWallet(walletName, password, fingerprintUsed, streetmode);
                         }
+
+                        @Override
+                        public void fail(String walletName, String password, boolean fingerprintUsed) {
+                        }
+
                     });
         } else { // this cannot really happen as we prefilter choices
             Toast.makeText(this, getString(R.string.bad_wallet), Toast.LENGTH_SHORT).show();

app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java

@@ -19,11 +19,6 @@ package com.m2049r.xmrwallet;
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.design.widget.FloatingActionButton;
-import android.support.v4.app.Fragment;
-import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -38,6 +33,12 @@ import android.widget.RelativeLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.m2049r.xmrwallet.data.NodeInfo;
 import com.m2049r.xmrwallet.layout.NodeInfoAdapter;
 import com.m2049r.xmrwallet.layout.WalletInfoAdapter;
@@ -63,6 +64,7 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
     private List<WalletManager.WalletInfo> walletList = new ArrayList<>();
     private List<WalletManager.WalletInfo> displayedList = new ArrayList<>();
 
+    private View tvGuntherSays;
     private ImageView ivGunther;
     private TextView tvNodeName;
     private TextView tvNodeAddress;
@@ -143,6 +145,7 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         Timber.d("onCreateView");
         View view = inflater.inflate(R.layout.fragment_login, container, false);
 
+        tvGuntherSays = view.findViewById(R.id.tvGuntherSays);
         ivGunther = view.findViewById(R.id.ivGunther);
         fabScreen = view.findViewById(R.id.fabScreen);
         fab = view.findViewById(R.id.fab);
@@ -275,13 +278,15 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
         if (displayedList.isEmpty()) {
             fab.startAnimation(fab_pulse);
             if (ivGunther.getDrawable() == null) {
-                ivGunther.setImageResource(R.drawable.gunther_desaturated);
+                ivGunther.setImageResource(R.drawable.ic_emptygunther);
+                tvGuntherSays.setVisibility(View.VISIBLE);
             }
         } else {
             fab.clearAnimation();
             if (ivGunther.getDrawable() != null) {
                 ivGunther.setImageDrawable(null);
             }
+            tvGuntherSays.setVisibility(View.GONE);
         }
 
         // remove information of non-existent wallet

app/src/main/java/com/m2049r/xmrwallet/MainActivity.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.m2049r.xmrwallet.onboarding.OnBoardingActivity;
+import com.m2049r.xmrwallet.onboarding.OnBoardingManager;
+
+public class MainActivity extends BaseActivity {
+    @Override
+    protected void onCreate(@Nullable final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (OnBoardingManager.shouldShowOnBoarding(getApplicationContext())) {
+            startActivity(new Intent(this, OnBoardingActivity.class));
+        } else {
+            startActivity(new Intent(this, LoginActivity.class));
+        }
+        finish();
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java

@@ -16,16 +16,19 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.design.widget.TextInputLayout;
-import android.support.v4.app.Fragment;
-import android.support.v4.widget.SwipeRefreshLayout;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.Nullable;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.textfield.TextInputLayout;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -445,7 +448,7 @@ public class NodeFragment extends Fragment
         }
 
         EditDialog(final NodeInfo nodeInfo) {
-            AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
+            AlertDialog.Builder alertDialogBuilder = new MaterialAlertDialogBuilder(getActivity());
             LayoutInflater li = LayoutInflater.from(alertDialogBuilder.getContext());
             View promptsView = li.inflate(R.layout.prompt_editnode, null);
             alertDialogBuilder.setView(promptsView);

app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java

@@ -25,12 +25,6 @@ import android.net.Uri;
 import android.nfc.NfcManager;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.design.widget.TextInputLayout;
-import android.support.v4.app.Fragment;
-import android.support.v4.content.FileProvider;
-import android.support.v4.view.MenuItemCompat;
-import android.support.v7.widget.ShareActionProvider;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextWatcher;
@@ -42,7 +36,6 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
-import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ImageView;
@@ -50,6 +43,13 @@ import android.widget.ProgressBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.ShareActionProvider;
+import androidx.core.content.FileProvider;
+import androidx.core.view.MenuItemCompat;
+import androidx.fragment.app.Fragment;
+
+import com.google.android.material.textfield.TextInputLayout;
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.EncodeHintType;
 import com.google.zxing.WriterException;
@@ -82,10 +82,11 @@ public class ReceiveFragment extends Fragment {
     private ExchangeView evAmount;
     private TextView tvQrCode;
     private ImageView ivQrCode;
+    private View cvQrCode;
     private ImageView ivQrCodeFull;
     private EditText etDummy;
     private ImageButton bCopyAddress;
-    private Button bSubaddress;
+    private ImageButton bSubaddress;
 
     private Wallet wallet = null;
     private boolean isMyWallet = false;
@@ -109,6 +110,7 @@ public class ReceiveFragment extends Fragment {
         tvAddress = view.findViewById(R.id.tvAddress);
         etNotes = view.findViewById(R.id.etNotes);
         evAmount = view.findViewById(R.id.evAmount);
+        cvQrCode = view.findViewById(R.id.cvQrCode);
         ivQrCode = view.findViewById(R.id.qrCode);
         tvQrCode = view.findViewById(R.id.tvQrCode);
         ivQrCodeFull = view.findViewById(R.id.qrCodeFull);
@@ -118,13 +120,9 @@ public class ReceiveFragment extends Fragment {
 
         etDummy.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
 
-        bCopyAddress.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                copyAddress();
-            }
-        });
+        bCopyAddress.setOnClickListener(v -> copyAddress());
         enableCopyAddress(false);
+        enableSubaddressButton(false);
 
         evAmount.setOnNewAmountListener(new ExchangeView.OnNewAmountListener() {
             @Override
@@ -190,7 +188,7 @@ public class ReceiveFragment extends Fragment {
             }
         });
 
-        ivQrCode.setOnClickListener(new View.OnClickListener() {
+        cvQrCode.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 Helper.hideKeyboard(getActivity());
@@ -315,13 +313,8 @@ public class ReceiveFragment extends Fragment {
         return null;
     }
 
-    void enableSubaddressButton(boolean enable) {
+    private void enableSubaddressButton(boolean enable) {
         bSubaddress.setEnabled(enable);
-        if (enable) {
-            bSubaddress.setCompoundDrawablesWithIntrinsicBounds(0, R.drawable.ic_settings_orange_24dp, 0, 0);
-        } else {
-            bSubaddress.setCompoundDrawablesWithIntrinsicBounds(0, R.drawable.ic_settings_gray_24dp, 0, 0);
-        }
     }
 
     void copyAddress() {
@@ -371,16 +364,13 @@ public class ReceiveFragment extends Fragment {
         listenerCallback.setSubtitle(wallet.getAccountLabel());
         tvAddress.setText(wallet.getAddress());
         enableCopyAddress(true);
+        enableSubaddressButton(true);
         hideProgress();
         generateQr();
     }
 
     private void enableCopyAddress(boolean enable) {
-        bCopyAddress.setClickable(enable);
-        if (enable)
-            bCopyAddress.setImageResource(R.drawable.ic_content_copy_black_24dp);
-        else
-            bCopyAddress.setImageResource(R.drawable.ic_content_nocopy_black_24dp);
+        bCopyAddress.setEnabled(enable);
     }
 
     private void loadAndShow(String walletPath, String password) {

app/src/main/java/com/m2049r/xmrwallet/ScannerFragment.java

@@ -19,7 +19,7 @@ package com.m2049r.xmrwallet;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java

@@ -17,13 +17,18 @@
 package com.m2049r.xmrwallet;
 
 import android.content.Context;
+import android.content.res.Configuration;
+import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
 
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.LocaleHelper;
 
+import java.util.Locale;
+
 import static android.view.WindowManager.LayoutParams;
 
 public abstract class SecureActivity extends AppCompatActivity {
@@ -37,7 +42,36 @@ public abstract class SecureActivity extends AppCompatActivity {
     }
 
     @Override
-    protected void attachBaseContext(Context context) {
-        super.attachBaseContext(LocaleHelper.setLocale(context, LocaleHelper.getLocale(context)));
+    protected void attachBaseContext(Context newBase) {
+        super.attachBaseContext(newBase);
+        applyOverrideConfiguration(new Configuration());
+    }
+
+    @Override
+    public void applyOverrideConfiguration(Configuration newConfig) {
+        super.applyOverrideConfiguration(updateConfigurationIfSupported(newConfig));
+    }
+
+    private Configuration updateConfigurationIfSupported(Configuration config) {
+        // Configuration.getLocales is added after 24 and Configuration.locale is deprecated in 24
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            if (!config.getLocales().isEmpty()) {
+                return config;
+            }
+        } else {
+            if (config.locale != null) {
+                return config;
+            }
+        }
+
+        Locale locale = LocaleHelper.getPreferredLocale(this);
+        if (locale != null) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+                config.setLocale(locale);
+            } else {
+                config.locale = locale;
+            }
+        }
+        return config;
     }
 }

app/src/main/java/com/m2049r/xmrwallet/TxFragment.java

@@ -19,24 +19,24 @@ package com.m2049r.xmrwallet;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v4.content.ContextCompat;
 import android.text.InputType;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
+import androidx.fragment.app.Fragment;
+
+import com.m2049r.xmrwallet.data.UserNotes;
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Transfer;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.data.UserNotes;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.text.SimpleDateFormat;
@@ -242,9 +242,9 @@ public class TxFragment extends Fragment {
         } else if (info.isPending) {
             setTxColour(ContextCompat.getColor(getContext(), R.color.tx_pending));
         } else if (info.direction == TransactionInfo.Direction.Direction_In) {
-            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_green));
+            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_plus));
         } else {
-            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_red));
+            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_minus));
         }
         Set<String> destinations = new HashSet<>();
         StringBuffer sb = new StringBuffer();

app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java

@@ -16,7 +16,6 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.AlertDialog;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -27,14 +26,6 @@ import android.content.pm.PackageManager;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.IBinder;
-import android.support.annotation.NonNull;
-import android.support.design.widget.NavigationView;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v4.view.GravityCompat;
-import android.support.v4.widget.DrawerLayout;
-import android.support.v7.app.ActionBarDrawerToggle;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -45,6 +36,17 @@ import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.AlertDialog;
+import androidx.core.view.GravityCompat;
+import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.navigation.NavigationView;
 import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.data.UserNotes;
@@ -58,6 +60,7 @@ import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.service.WalletService;
+import com.m2049r.xmrwallet.util.ColorHelper;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
 import com.m2049r.xmrwallet.widget.Toolbar;
@@ -88,7 +91,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     private ActionBarDrawerToggle drawerToggle;
 
     private Toolbar toolbar;
-    private boolean needVerifyIdentity;
     private boolean requestStreetMode = false;
 
     private String password;
@@ -142,7 +144,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
 
     private void enableStreetMode(boolean enable) {
         if (enable) {
-            needVerifyIdentity = true;
             streetMode = getWallet().getDaemonBlockChainHeight();
         } else {
             streetMode = 0;
@@ -151,11 +152,9 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                 getSupportFragmentManager().findFragmentByTag(WalletFragment.class.getName());
         if (walletFragment != null) walletFragment.resetDismissedTransactions();
         forceUpdate();
-        runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
+        runOnUiThread(() -> {
+            if (getWallet() != null)
                 updateAccountsBalance();
-            }
         });
     }
 
@@ -200,7 +199,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         if (extras != null) {
             acquireWakeLock();
             String walletId = extras.getString(REQUEST_ID);
-            needVerifyIdentity = extras.getBoolean(REQUEST_FINGERPRINT_USED);
             // we can set the streetmode height AFTER opening the wallet
             requestStreetMode = extras.getBoolean(REQUEST_STREETMODE);
             password = extras.getString(REQUEST_PW);
@@ -217,6 +215,20 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         releaseWakeLock();
     }
 
+    private void onWalletRescan() {
+        try {
+            final WalletFragment walletFragment = (WalletFragment)
+                    getSupportFragmentManager().findFragmentByTag(WalletFragment.class.getName());
+            getWallet().rescanBlockchainAsync();
+            synced = false;
+            walletFragment.unsync();
+            invalidateOptionsMenu();
+        } catch (ClassCastException ex) {
+            Timber.d(ex.getLocalizedMessage());
+            // keep calm and carry on
+        }
+    }
+
     @Override
     protected void onStop() {
         Timber.d("onStop()");
@@ -243,7 +255,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     public boolean onPrepareOptionsMenu(Menu menu) {
         MenuItem renameItem = menu.findItem(R.id.action_rename);
         if (renameItem != null)
-            renameItem.setVisible(hasWallet() && getWallet().isSynchronized());
+            renameItem.setEnabled(hasWallet() && getWallet().isSynchronized());
         MenuItem streetmodeItem = menu.findItem(R.id.action_streetmode);
         if (streetmodeItem != null)
             if (isStreetMode()) {
@@ -251,12 +263,18 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
             } else {
                 streetmodeItem.setIcon(R.drawable.gunther_24dp);
             }
+        final MenuItem rescanItem = menu.findItem(R.id.action_rescan);
+        if (rescanItem != null)
+            rescanItem.setEnabled(isSynced());
         return super.onPrepareOptionsMenu(menu);
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.action_rescan:
+                onWalletRescan();
+                return true;
             case R.id.action_info:
                 onWalletDetails();
                 return true;
@@ -297,11 +315,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     }
 
     private void updateStreetMode() {
-        if (isStreetMode()) {
-            toolbar.setBackgroundResource(R.drawable.backgound_toolbar_streetmode);
-        } else {
-            showNet();
-        }
         invalidateOptionsMenu();
     }
 
@@ -313,7 +326,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     private void onDisableStreetMode() {
         Helper.promptPassword(WalletActivity.this, getWallet().getName(), false, new Helper.PasswordAction() {
             @Override
-            public void action(String walletName, String password, boolean fingerprintUsed) {
+            public void act(String walletName, String password, boolean fingerprintUsed) {
                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
@@ -322,6 +335,10 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                     }
                 });
             }
+
+            @Override
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+            }
         });
     }
 
@@ -407,10 +424,10 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                 toolbar.setBackgroundResource(R.drawable.backgound_toolbar_mainnet);
                 break;
             case NetworkType_Testnet:
-                toolbar.setBackgroundResource(R.color.colorPrimaryDark);
+                toolbar.setBackgroundResource(ColorHelper.getThemedResourceId(this, R.attr.colorPrimaryDark));
                 break;
             case NetworkType_Stagenet:
-                toolbar.setBackgroundResource(R.color.colorPrimaryDark);
+                toolbar.setBackgroundResource(ColorHelper.getThemedResourceId(this, R.attr.colorPrimaryDark));
                 break;
             default:
                 throw new IllegalStateException("Unsupported Network: " + WalletManager.getInstance().getNetworkType());
@@ -556,10 +573,9 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     @Override
     public boolean onRefreshed(final Wallet wallet, final boolean full) {
         Timber.d("onRefreshed()");
-        runOnUiThread(new Runnable() {
-            public void run() {
+        runOnUiThread(() -> {
+            if (getWallet() != null)
                 updateAccountsBalance();
-            }
         });
         if (numAccounts != wallet.getNumAccounts()) {
             numAccounts = wallet.getNumAccounts();
@@ -649,7 +665,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
             haveWallet = true;
             invalidateOptionsMenu();
 
-            enableStreetMode(requestStreetMode);
+            if (requestStreetMode) onEnableStreetMode();
 
             final WalletFragment walletFragment = (WalletFragment)
                     getSupportFragmentManager().findFragmentById(R.id.fragment_container);
@@ -835,17 +851,16 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                         final Bundle extras = new Bundle();
                         extras.putString(GenerateReviewFragment.REQUEST_TYPE, GenerateReviewFragment.VIEW_TYPE_WALLET);
 
-                        if (needVerifyIdentity) {
-                            Helper.promptPassword(WalletActivity.this, getWallet().getName(), true, new Helper.PasswordAction() {
-                                @Override
-                                public void action(String walletName, String password, boolean fingerprintUsed) {
-                                    replaceFragment(new GenerateReviewFragment(), null, extras);
-                                    needVerifyIdentity = false;
-                                }
-                            });
-                        } else {
-                            replaceFragment(new GenerateReviewFragment(), null, extras);
-                        }
+                        Helper.promptPassword(WalletActivity.this, getWallet().getName(), true, new Helper.PasswordAction() {
+                            @Override
+                            public void act(String walletName, String password, boolean fingerprintUsed) {
+                                replaceFragment(new GenerateReviewFragment(), null, extras);
+                            }
+
+                            @Override
+                            public void fail(String walletName, String password, boolean fingerprintUsed) {
+                            }
+                        });
 
                         break;
                     case DialogInterface.BUTTON_NEGATIVE:
@@ -855,7 +870,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
             }
         };
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(this);
         builder.setMessage(getString(R.string.details_alert_message))
                 .setPositiveButton(getString(R.string.details_alert_yes), dialogClickListener)
                 .setNegativeButton(getString(R.string.details_alert_no), dialogClickListener)
@@ -983,12 +998,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         return getWallet().getUnlockedBalance();
     }
 
-    @Override
-    public boolean verifyWalletPassword(String password) {
-        String walletPassword = Helper.getWalletPassword(getApplicationContext(), getWalletName(), password);
-        return walletPassword != null;
-    }
-
     @Override
     public void onBackPressed() {
         if (drawer.isDrawerOpen(GravityCompat.START)) {
@@ -1082,7 +1091,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         final LayoutInflater li = LayoutInflater.from(this);
         final View promptsView = li.inflate(R.layout.prompt_rename, null);
 
-        final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
+        final AlertDialog.Builder alertDialogBuilder = new MaterialAlertDialogBuilder(this);
         alertDialogBuilder.setView(promptsView);
 
         final EditText etRename = promptsView.findViewById(R.id.etRename);

app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java

@@ -17,12 +17,10 @@
 package com.m2049r.xmrwallet;
 
 import android.content.Context;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -38,6 +36,11 @@ import android.widget.ProgressBar;
 import android.widget.Spinner;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
 import com.github.brnunes.swipeablerecyclerview.SwipeableRecyclerViewTouchListener;
 import com.m2049r.xmrwallet.layout.TransactionInfoAdapter;
 import com.m2049r.xmrwallet.model.TransactionInfo;
@@ -70,6 +73,8 @@ public class WalletFragment extends Fragment
     private ProgressBar pbProgress;
     private Button bReceive;
     private Button bSend;
+    private ImageView ivStreetGunther;
+    private Drawable streetGunther = null;
 
     private Spinner sCurrency;
 
@@ -97,11 +102,12 @@ public class WalletFragment extends Fragment
                              Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_wallet, container, false);
 
+        ivStreetGunther = view.findViewById(R.id.ivStreetGunther);
         tvStreetView = view.findViewById(R.id.tvStreetView);
         llBalance = view.findViewById(R.id.llBalance);
         flExchange = view.findViewById(R.id.flExchange);
         ((ProgressBar) view.findViewById(R.id.pbExchange)).getIndeterminateDrawable().
-                setColorFilter(getResources().getColor(R.color.trafficGray),
+                setColorFilter(getResources().getColor(R.color.progress_circle),
                         android.graphics.PorterDuff.Mode.MULTIPLY);
 
         tvProgress = view.findViewById(R.id.tvProgress);
@@ -199,13 +205,15 @@ public class WalletFragment extends Fragment
 
     void showBalance(String balance) {
         tvBalance.setText(balance);
-        if (!activityCallback.isStreetMode()) {
+        final boolean streetMode = activityCallback.isStreetMode();
+        if (!streetMode) {
             llBalance.setVisibility(View.VISIBLE);
             tvStreetView.setVisibility(View.INVISIBLE);
         } else {
             llBalance.setVisibility(View.INVISIBLE);
             tvStreetView.setVisibility(View.VISIBLE);
         }
+        setStreetModeBackground(streetMode);
     }
 
     void showUnconfirmed(double unconfirmedAmount) {
@@ -356,6 +364,15 @@ public class WalletFragment extends Fragment
         if (isVisible()) enableAccountsList(true); //otherwise it is enabled in onResume()
     }
 
+    public void unsync() {
+        if (!activityCallback.isWatchOnly()) {
+            bSend.setVisibility(View.INVISIBLE);
+            bSend.setEnabled(false);
+        }
+        if (isVisible()) enableAccountsList(false); //otherwise it is enabled in onResume()
+        firstBlock = 0;
+    }
+
     boolean walletLoaded = false;
 
     public void onLoaded() {
@@ -528,4 +545,13 @@ public class WalletFragment extends Fragment
         }
     }
 
+    public void setStreetModeBackground(boolean enable) {
+        //TODO figure out why gunther disappears on return from send although he is still set
+        if (enable) {
+            if (streetGunther == null)
+                streetGunther = ContextCompat.getDrawable(getContext(), R.drawable.ic_gunther_streetmode);
+            ivStreetGunther.setImageDrawable(streetGunther);
+        } else
+            ivStreetGunther.setImageDrawable(null);
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/XmrWalletApplication.java

@@ -20,9 +20,12 @@ package com.m2049r.xmrwallet;
 import android.app.Application;
 import android.content.Context;
 import android.content.res.Configuration;
+import android.os.Build;
 
 import com.m2049r.xmrwallet.model.NetworkType;
+import com.m2049r.xmrwallet.util.DayNightMode;
 import com.m2049r.xmrwallet.util.LocaleHelper;
+import com.m2049r.xmrwallet.util.NightmodeHelper;
 
 import timber.log.Timber;
 
@@ -34,18 +37,23 @@ public class XmrWalletApplication extends Application {
         if (BuildConfig.DEBUG) {
             Timber.plant(new Timber.DebugTree());
         }
+        NightmodeHelper.setPreferredNightmode(this);
     }
 
     @Override
     protected void attachBaseContext(Context context) {
-        super.attachBaseContext(LocaleHelper.setLocale(context, LocaleHelper.getLocale(context)));
+        super.attachBaseContext(LocaleHelper.setPreferredLocale(context));
     }
 
     @Override
     public void onConfigurationChanged(Configuration configuration) {
         super.onConfigurationChanged(configuration);
-        LocaleHelper.updateSystemDefaultLocale(configuration.locale);
-        LocaleHelper.setLocale(XmrWalletApplication.this, LocaleHelper.getLocale(XmrWalletApplication.this));
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            LocaleHelper.updateSystemDefaultLocale(configuration.getLocales().get(0));
+        } else {
+            LocaleHelper.updateSystemDefaultLocale(configuration.locale);
+        }
+        LocaleHelper.setPreferredLocale(this);
     }
 
     static public NetworkType getNetworkType() {
@@ -54,7 +62,7 @@ public class XmrWalletApplication extends Application {
                 return NetworkType.NetworkType_Mainnet;
             case "stagenet":
                 return NetworkType.NetworkType_Stagenet;
-            case "testnet":
+            case "devnet": // flavors cannot start with "test"
                 return NetworkType.NetworkType_Testnet;
             default:
                 throw new IllegalStateException("unknown net flavor " + BuildConfig.FLAVOR_net);

app/src/main/java/com/m2049r/xmrwallet/dialog/AboutFragment.java

@@ -16,26 +16,25 @@
 
 package com.m2049r.xmrwallet.dialog;
 
-import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.BuildConfig;
 import com.m2049r.xmrwallet.R;
 
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 
 import timber.log.Timber;
@@ -63,15 +62,15 @@ public class AboutFragment extends DialogFragment {
         ((TextView) view.findViewById(R.id.tvHelp)).setText(Html.fromHtml(getLicencesHtml()));
         ((TextView) view.findViewById(R.id.tvVersion)).setText(getString(R.string.about_version, BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE));
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        builder.setView(view);
-        builder.setNegativeButton(R.string.about_close,
-                new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int id) {
-                        dialog.dismiss();
-                    }
-                });
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity())
+                .setView(view)
+                .setNegativeButton(R.string.about_close,
+                        new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                dialog.dismiss();
+                            }
+                        });
         return builder.create();
     }
 

app/src/main/java/com/m2049r/xmrwallet/dialog/CreditsFragment.java

@@ -16,19 +16,20 @@
 
 package com.m2049r.xmrwallet.dialog;
 
-import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
 import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.R;
 
 public class CreditsFragment extends DialogFragment {
@@ -54,16 +55,15 @@ public class CreditsFragment extends DialogFragment {
 
         ((TextView) view.findViewById(R.id.tvCredits)).setText(Html.fromHtml(getString(R.string.credits_text)));
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        builder.setView(view);
-        builder.setNegativeButton(R.string.about_close,
-                new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int id) {
-                        dialog.dismiss();
-                    }
-                });
-
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity())
+                .setView(view)
+                .setNegativeButton(R.string.about_close,
+                        new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                dialog.dismiss();
+                            }
+                        });
         return builder.create();
     }
 }

app/src/main/java/com/m2049r/xmrwallet/dialog/HelpFragment.java

@@ -16,19 +16,20 @@
 
 package com.m2049r.xmrwallet.dialog;
 
-import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
 import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.R;
 
 public class HelpFragment extends DialogFragment {
@@ -65,15 +66,15 @@ public class HelpFragment extends DialogFragment {
         if (helpId > 0)
             ((TextView) view.findViewById(R.id.tvHelp)).setText(Html.fromHtml(getString(helpId)));
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        builder.setView(view);
-        builder.setNegativeButton(R.string.help_ok,
-                new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int id) {
-                        dialog.dismiss();
-                    }
-                });
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity())
+                .setView(view)
+                .setNegativeButton(R.string.help_ok,
+                        new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                dialog.dismiss();
+                            }
+                        });
         return builder.create();
     }
 }

app/src/main/java/com/m2049r/xmrwallet/dialog/PrivacyFragment.java

@@ -16,19 +16,20 @@
 
 package com.m2049r.xmrwallet.dialog;
 
-import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
 import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.R;
 
 public class PrivacyFragment extends DialogFragment {
@@ -54,15 +55,15 @@ public class PrivacyFragment extends DialogFragment {
 
         ((TextView) view.findViewById(R.id.tvCredits)).setText(Html.fromHtml(getString(R.string.privacy_policy)));
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        builder.setView(view);
-        builder.setNegativeButton(R.string.about_close,
-                new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int id) {
-                        dialog.dismiss();
-                    }
-                });
+        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity())
+                .setView(view)
+                .setNegativeButton(R.string.about_close,
+                        new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                dialog.dismiss();
+                            }
+                        });
         return builder.create();
     }
 }

app/src/main/java/com/m2049r/xmrwallet/dialog/ProgressDialog.java

@@ -17,7 +17,6 @@ package com.m2049r.xmrwallet.dialog;
  * limitations under the License.
  */
 
-import android.app.AlertDialog;
 import android.content.Context;
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -26,6 +25,8 @@ import android.view.WindowManager;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import androidx.appcompat.app.AlertDialog;
+
 import com.m2049r.xmrwallet.BuildConfig;
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.util.Helper;

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAddressWizardFragment.java

@@ -19,8 +19,6 @@ package com.m2049r.xmrwallet.fragment.send;
 import android.content.Context;
 import android.nfc.NfcManager;
 import android.os.Bundle;
-import android.support.design.widget.TextInputLayout;
-import android.support.v7.widget.CardView;
 import android.text.Editable;
 import android.text.Html;
 import android.text.InputType;
@@ -36,6 +34,7 @@ import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.google.android.material.textfield.TextInputLayout;
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.data.TxData;
@@ -86,7 +85,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
     private EditText etDummy;
     private TextInputLayout etAddress;
     private TextInputLayout etNotes;
-    private CardView cvScan;
+    private View cvScan;
     private View tvPaymentIdIntegrated;
     private TextView tvXmrTo;
     private View llXmrTo;

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAmountWizardFragment.java

@@ -148,12 +148,9 @@ public class SendAmountWizardFragment extends SendWizardFragment {
             tvFunds.setText(getString(R.string.send_available,
                     getString(R.string.unknown_amount)));
         }
-        // getNativeAmount is null if exchange is in progress
-        if ((etAmount.getNativeAmount() != null) && etAmount.getNativeAmount().isEmpty()) {
-            final BarcodeData data = sendListener.popBarcodeData();
-            if ((data != null) && (data.amount != null)) {
-                etAmount.setAmount(data.amount);
-            }
+        final BarcodeData data = sendListener.popBarcodeData();
+        if ((data != null) && (data.amount != null)) {
+            etAmount.setAmount(data.amount);
         }
     }
 

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java

@@ -16,24 +16,23 @@
 
 package com.m2049r.xmrwallet.fragment.send;
 
-import android.app.Activity;
-import android.content.DialogInterface;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.design.widget.TextInputLayout;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.textfield.TextInputLayout;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.WindowManager;
-import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.m2049r.xmrwallet.BuildConfig;
+import androidx.appcompat.app.AlertDialog;
+
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.data.TxDataBtc;
@@ -213,7 +212,7 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
         ((TxDataBtc) sendListener.getTxData()).setXmrtoUuid(xmrtoStatus.getUuid());
         // TODO make method in TxDataBtc to set both of the above in one go
         sendListener.commitTransaction();
-        pbProgressSend.setVisibility(View.VISIBLE);
+        getActivity().runOnUiThread(() -> pbProgressSend.setVisibility(View.VISIBLE));
     }
 
     @Override
@@ -346,103 +345,18 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     public void preSend() {
-        final Activity activity = getActivity();
-        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
-        alertDialogBuilder.setView(promptsView);
-
-        final TextInputLayout etPassword = promptsView.findViewById(R.id.etPassword);
-        etPassword.setHint(getString(R.string.prompt_send_password));
-
-        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
+        Helper.promptPassword(getContext(), getActivityCallback().getWalletName(), false, new Helper.PasswordAction() {
             @Override
-            public void afterTextChanged(Editable s) {
-                if (etPassword.getError() != null) {
-                    etPassword.setError(null);
-                }
+            public void act(String walletName, String password, boolean fingerprintUsed) {
+                send();
             }
 
-            @Override
-            public void beforeTextChanged(CharSequence s, int start,
-                                          int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start,
-                                      int before, int count) {
-            }
-        });
-
-        alertDialogBuilder
-                .setCancelable(false)
-                .setPositiveButton(getString(R.string.label_ok), new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            dialog.dismiss();
-                            Helper.hideKeyboardAlways(activity);
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                })
-                .setNegativeButton(getString(R.string.label_cancel),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                Helper.hideKeyboardAlways(activity);
-                                dialog.cancel();
-                                bSend.setEnabled(sendCountdown > 0); // allow to try again
-                            }
-                        });
-
-        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
-        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(DialogInterface dialog) {
-                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            Helper.hideKeyboardAlways(activity);
-                            passwordDialog.dismiss();
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+                getActivity().runOnUiThread(() -> {
+                    bSend.setEnabled(sendCountdown > 0); // allow to try again
                 });
             }
         });
-
-        Helper.showKeyboard(passwordDialog);
-
-        // accept keyboard "ok"
-        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
-                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
-                    String pass = etPassword.getEditText().getText().toString();
-                    if (getActivityCallback().verifyWalletPassword(pass)) {
-                        Helper.hideKeyboardAlways(activity);
-                        passwordDialog.dismiss();
-                        send();
-                    } else {
-                        etPassword.setError(getString(R.string.bad_password));
-                    }
-                    return true;
-                }
-                return false;
-            }
-        });
-
-        if (Helper.preventScreenshot()) {
-            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-        }
-
-        passwordDialog.show();
     }
 
     // creates a pending transaction and calls us back with transactionCreated()
@@ -457,8 +371,8 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
         }
         showProgress(3, getString(R.string.label_send_progress_create_tx));
         TxData txData = sendListener.getTxData();
-        txData.setDestinationAddress(xmrtoStatus.getXmrReceivingSubaddress());
-        txData.setAmount(Wallet.getAmountFromDouble(xmrtoStatus.getXmrAmountTotal()));
+        txData.setDestinationAddress(xmrtoStatus.getReceivingSubaddress());
+        txData.setAmount(Wallet.getAmountFromDouble(xmrtoStatus.getIncomingAmountTotal()));
         getActivityCallback().onPrepareSend(xmrtoStatus.getUuid(), txData);
     }
 
@@ -572,22 +486,22 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
                     NumberFormat df = NumberFormat.getInstance(Locale.US);
                     df.setMaximumFractionDigits(12);
                     String btcAmount = df.format(status.getBtcAmount());
-                    String xmrAmountTotal = df.format(status.getXmrAmountTotal());
+                    String xmrAmountTotal = df.format(status.getIncomingAmountTotal());
                     tvTxBtcAmount.setText(getString(R.string.text_send_btc_amount, btcAmount, xmrAmountTotal));
-                    String xmrPriceBtc = df.format(status.getXmrPriceBtc());
+                    String xmrPriceBtc = df.format(status.getIncomingPriceBtc());
                     tvTxBtcRate.setText(getString(R.string.text_send_btc_rate, xmrPriceBtc));
 
-                    double calcRate = status.getBtcAmount() / status.getXmrPriceBtc();
-                    Timber.i("Rates: %f / %f", calcRate, status.getXmrPriceBtc());
+                    double calcRate = status.getBtcAmount() / status.getIncomingPriceBtc();
+                    Timber.d("Rates: %f / %f", calcRate, status.getIncomingPriceBtc());
 
                     tvTxBtcAddress.setText(status.getBtcDestAddress()); // TODO test if this is different?
 
-                    Timber.i("Expires @ %s, in %s seconds", status.getExpiresAt().toString(), status.getSecondsTillTimeout());
+                    Timber.d("Expires @ %s, in %s seconds", status.getExpiresAt().toString(), status.getSecondsTillTimeout());
 
-                    Timber.i("Status = %s", status.getState().toString());
+                    Timber.d("Status = %s", status.getState().toString());
                     tvTxXmrToKey.setText(status.getUuid());
 
-                    Timber.d("AmountRemaining=%f, XmrAmountTotal=%f", status.getXmrAmountRemaining(), status.getXmrAmountTotal());
+                    Timber.d("AmountRemaining=%f, XmrAmountTotal=%f", status.getRemainingAmountIncoming(), status.getIncomingAmountTotal());
                     hideProgress();
                     startSendTimer();
                     prepareSend();

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcSuccessWizardFragment.java

@@ -80,12 +80,10 @@ public class SendBtcSuccessWizardFragment extends SendWizardFragment {
                 R.layout.fragment_send_btc_success, container, false);
 
         bCopyTxId = view.findViewById(R.id.bCopyTxId);
-        bCopyTxId.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
-                Toast.makeText(getActivity(), getString(R.string.message_copy_txid), Toast.LENGTH_SHORT).show();
-            }
+        bCopyTxId.setEnabled(false);
+        bCopyTxId.setOnClickListener(v -> {
+            Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
+            Toast.makeText(getActivity(), getString(R.string.message_copy_txid), Toast.LENGTH_SHORT).show();
         });
 
         tvXmrToAmount = view.findViewById(R.id.tvXmrToAmount);
@@ -143,7 +141,6 @@ public class SendBtcSuccessWizardFragment extends SendWizardFragment {
         if (committedTx != null) {
             tvTxId.setText(committedTx.txId);
             bCopyTxId.setEnabled(true);
-            bCopyTxId.setImageResource(R.drawable.ic_content_copy_black_24dp);
             tvTxAmount.setText(getString(R.string.send_amount, Helper.getDisplayAmount(committedTx.amount)));
             tvTxFee.setText(getString(R.string.send_fee, Helper.getDisplayAmount(committedTx.fee)));
             if (btcData != null) {

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java

@@ -16,29 +16,25 @@
 
 package com.m2049r.xmrwallet.fragment.send;
 
-import android.app.Activity;
-import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.design.widget.TextInputLayout;
-import android.support.v7.app.AlertDialog;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.WindowManager;
-import android.view.inputmethod.EditorInfo;
-import android.widget.Button;
 import android.widget.TextView;
 
-import com.m2049r.xmrwallet.BuildConfig;
+import androidx.appcompat.app.AlertDialog;
+
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.textfield.TextInputLayout;
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.TxData;
+import com.m2049r.xmrwallet.data.UserNotes;
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.data.UserNotes;
 
 import timber.log.Timber;
 
@@ -141,7 +137,7 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
 
     void send() {
         sendListener.commitTransaction();
-        pbProgressSend.setVisibility(View.VISIBLE);
+        getActivity().runOnUiThread(() -> pbProgressSend.setVisibility(View.VISIBLE));
     }
 
     @Override
@@ -157,7 +153,7 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
     }
 
     private void showAlert(String title, String message) {
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        AlertDialog.Builder builder = new MaterialAlertDialogBuilder(getActivity());
         builder.setCancelable(true).
                 setTitle(title).
                 setMessage(message).
@@ -225,103 +221,18 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
     }
 
     public void preSend() {
-        final Activity activity = getActivity();
-        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
-        alertDialogBuilder.setView(promptsView);
-
-        final TextInputLayout etPassword = promptsView.findViewById(R.id.etPassword);
-        etPassword.setHint(getString(R.string.prompt_send_password));
-
-        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
+        Helper.promptPassword(getContext(), getActivityCallback().getWalletName(), false, new Helper.PasswordAction() {
             @Override
-            public void afterTextChanged(Editable s) {
-                if (etPassword.getError() != null) {
-                    etPassword.setError(null);
-                }
+            public void act(String walletName, String password, boolean fingerprintUsed) {
+                send();
             }
 
-            @Override
-            public void beforeTextChanged(CharSequence s, int start,
-                                          int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start,
-                                      int before, int count) {
-            }
-        });
-
-        alertDialogBuilder
-                .setCancelable(false)
-                .setPositiveButton(getString(R.string.label_ok), new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            dialog.dismiss();
-                            Helper.hideKeyboardAlways(activity);
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                })
-                .setNegativeButton(getString(R.string.label_cancel),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                Helper.hideKeyboardAlways(activity);
-                                dialog.cancel();
-                                bSend.setEnabled(true); // allow to try again
-                            }
-                        });
-
-        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
-        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(DialogInterface dialog) {
-                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            Helper.hideKeyboardAlways(activity);
-                            passwordDialog.dismiss();
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+                getActivity().runOnUiThread(() -> {
+                    bSend.setEnabled(true); // allow to try again
                 });
             }
         });
-
-        Helper.showKeyboard(passwordDialog);
-
-        // accept keyboard "ok"
-        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
-                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
-                    String pass = etPassword.getEditText().getText().toString();
-                    if (getActivityCallback().verifyWalletPassword(pass)) {
-                        Helper.hideKeyboardAlways(activity);
-                        passwordDialog.dismiss();
-                        send();
-                    } else {
-                        etPassword.setError(getString(R.string.bad_password));
-                    }
-                    return true;
-                }
-                return false;
-            }
-        });
-
-        if (Helper.preventScreenshot()) {
-            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-        }
-
-        passwordDialog.show();
     }
 
     // creates a pending transaction and calls us back with transactionCreated()

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendFragment.java

@@ -18,13 +18,7 @@ package com.m2049r.xmrwallet.fragment.send;
 
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.graphics.drawable.Drawable;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentStatePagerAdapter;
-import android.support.v4.view.ViewPager;
 import android.text.InputType;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
@@ -35,6 +29,12 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
 
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentStatePagerAdapter;
+import androidx.viewpager.widget.ViewPager;
+
 import com.m2049r.xmrwallet.OnBackPressedListener;
 import com.m2049r.xmrwallet.OnUriScannedListener;
 import com.m2049r.xmrwallet.R;
@@ -75,7 +75,7 @@ public class SendFragment extends Fragment
 
         void onPrepareSend(String tag, TxData data);
 
-        boolean verifyWalletPassword(String password);
+        String getWalletName();
 
         void onSend(UserNotes notes);
 
@@ -93,8 +93,6 @@ public class SendFragment extends Fragment
     }
 
     private EditText etDummy;
-    private Drawable arrowPrev;
-    private Drawable arrowNext;
 
     private View llNavBar;
     private DotBar dotBar;
@@ -125,8 +123,6 @@ public class SendFragment extends Fragment
         dotBar = view.findViewById(R.id.dotBar);
         bPrev = view.findViewById(R.id.bPrev);
         bNext = view.findViewById(R.id.bNext);
-        arrowPrev = getResources().getDrawable(R.drawable.ic_navigate_prev_white_24dp);
-        arrowNext = getResources().getDrawable(R.drawable.ic_navigate_next_white_24dp);
 
         ViewGroup llNotice = view.findViewById(R.id.llNotice);
         Notice.showAll(llNotice, ".*_send");
@@ -214,16 +210,16 @@ public class SendFragment extends Fragment
         CharSequence nextLabel = pagerAdapter.getPageTitle(position + 1);
         bNext.setText(nextLabel);
         if (nextLabel != null) {
-            bNext.setCompoundDrawablesWithIntrinsicBounds(null, null, arrowNext, null);
+            bNext.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_navigate_next_white_24dp, 0);
         } else {
-            bNext.setCompoundDrawables(null, null, null, null);
+            bNext.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
         }
         CharSequence prevLabel = pagerAdapter.getPageTitle(position - 1);
         bPrev.setText(prevLabel);
         if (prevLabel != null) {
-            bPrev.setCompoundDrawablesWithIntrinsicBounds(arrowPrev, null, null, null);
+            bPrev.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_navigate_prev_white_24dp, 0, 0, 0);
         } else {
-            bPrev.setCompoundDrawables(null, null, null, null);
+            bPrev.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
         }
     }
 

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendSuccessWizardFragment.java

@@ -76,12 +76,10 @@ public class SendSuccessWizardFragment extends SendWizardFragment {
                 R.layout.fragment_send_success, container, false);
 
         bCopyTxId = view.findViewById(R.id.bCopyTxId);
-        bCopyTxId.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
-                Toast.makeText(getActivity(), getString(R.string.message_copy_txid), Toast.LENGTH_SHORT).show();
-            }
+        bCopyTxId.setEnabled(false);
+        bCopyTxId.setOnClickListener(v -> {
+            Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
+            Toast.makeText(getActivity(), getString(R.string.message_copy_txid), Toast.LENGTH_SHORT).show();
         });
 
         tvTxId = view.findViewById(R.id.tvTxId);
@@ -116,7 +114,6 @@ public class SendSuccessWizardFragment extends SendWizardFragment {
         if (committedTx != null) {
             tvTxId.setText(committedTx.txId);
             bCopyTxId.setEnabled(true);
-            bCopyTxId.setImageResource(R.drawable.ic_content_copy_black_24dp);
 
             if (sendListener.getActivityCallback().isStreetMode()
                     && (sendListener.getTxData().getAmount() == Wallet.SWEEP_ALL)) {

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendWizardFragment.java

@@ -16,7 +16,7 @@
 
 package com.m2049r.xmrwallet.fragment.send;
 
-import android.support.v4.app.Fragment;
+import androidx.fragment.app.Fragment;
 
 import com.m2049r.xmrwallet.layout.SpendViewPager;
 

app/src/main/java/com/m2049r/xmrwallet/layout/NodeInfoAdapter.java

@@ -17,8 +17,8 @@
 package com.m2049r.xmrwallet.layout;
 
 import android.content.Context;
-import android.support.annotation.NonNull;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -130,9 +130,9 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
 
         private void showStar() {
             if (nodeItem.isFavourite()) {
-                ibBookmark.setImageResource(R.drawable.ic_bookmark_24dp);
+                ibBookmark.setImageResource(R.drawable.ic_favorite_24dp);
             } else {
-                ibBookmark.setImageResource(R.drawable.ic_bookmark_border_24dp);
+                ibBookmark.setImageResource(R.drawable.ic_favorite_border_24dp);
             }
         }
 
@@ -170,16 +170,16 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
         if (nodeInfo.isValid()) {
             final double ping = nodeInfo.getResponseTime();
             if (ping < NodeInfo.PING_GOOD) {
-                return R.drawable.ic_signal_wifi_4_bar_black_24dp;
+                return R.drawable.ic_signal_wifi_4_bar_24dp;
             } else if (ping < NodeInfo.PING_MEDIUM) {
-                return R.drawable.ic_signal_wifi_3_bar_black_24dp;
+                return R.drawable.ic_signal_wifi_3_bar_24dp;
             } else if (ping < NodeInfo.PING_BAD) {
-                return R.drawable.ic_signal_wifi_2_bar_black_24dp;
+                return R.drawable.ic_signal_wifi_2_bar_24dp;
             } else {
-                return R.drawable.ic_signal_wifi_1_bar_black_24dp;
+                return R.drawable.ic_signal_wifi_1_bar_24dp;
             }
         } else {
-            return R.drawable.ic_signal_wifi_off_black_24dp;
+            return R.drawable.ic_signal_wifi_off_24dp;
         }
     }