downgrade to APK 29 & bump version

bump version
catch cases where the qr code produces a null monero address (#702 )
2025-09-03 08:23:04 +02:00 · 2020-11-22 19:39:30 +01:00 · 2020-11-21 22:18:36 +01:00 · 2020-11-21 22:08:23 +01:00 · 2020-11-21 21:54:21 +01:00 · 2020-11-21 13:22:54 +01:00
234 changed files with 6058 additions and 1499 deletions
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,15 +1,15 @@
 apply plugin: 'com.android.application'

 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
    buildToolsVersion '29.0.2'
    defaultConfig {
        applicationId "com.m2049r.xmrwallet"
        minSdkVersion 21
-        targetSdkVersion 28
-        versionCode 408
-        versionName "1.14.8 'On Board'"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        targetSdkVersion 29
+        versionCode 602
+        versionName "1.16.2 'Karmic Nodes'"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        externalNativeBuild {
            cmake {
                cppFlags "-std=c++11"
@@ -17,6 +17,11 @@ android {
            }
        }
    }
+    bundle {
+        language {
+            enableSplit = false
+        }
+    }

    flavorDimensions 'type', 'net'
    productFlavors {
@@ -28,6 +33,11 @@ android {
            applicationIdSuffix '.stage'
            versionNameSuffix ' (stage)'
        }
+        devnet {
+            dimension 'net'
+            applicationIdSuffix '.test'
+            versionNameSuffix ' (test)'
+        }
        alpha {
            dimension 'type'
            applicationIdSuffix '.alpha'
@@ -70,7 +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.
@@ -81,8 +92,7 @@ android {
        variant.outputs.all {
            output ->
                def abiName = output.getFilter(com.android.build.OutputFile.ABI)
-                output.versionCodeOverride = abiCodes.get(abiName, 0) + 10 * variant.versionCode
-                //def flavor = output.getFilter(flavor)
+                output.versionCodeOverride = abiCodes.get(abiName, 0) + 10 * versionCode

                if (abiName == null) abiName = "universal"
                def v = "${variant.versionName}".replaceFirst(" '.*' ?", "")
@@ -100,33 +110,35 @@ android {
 }

 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 "com.android.support.constraint:constraint-layout:$rootProject.ext.constraintVersion"
+    implementation 'androidx.core:core:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material: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:2.0.4'
+
    implementation 'me.dm7.barcodescanner:zxing:1.9.8'
+    implementation "com.squareup.okhttp3:okhttp:4.9.0"
+    implementation "com.burgstaller:okhttp-digest:2.1"
+    implementation "com.jakewharton.timber:timber:4.7.1"

-    implementation "com.squareup.okhttp3:okhttp:$rootProject.ext.okHttpVersion"
-    implementation "com.burgstaller:okhttp-digest:1.18"
-    implementation "com.jakewharton.timber:timber:$rootProject.ext.timberVersion"
+    implementation 'com.nulab-inc:zxcvbn:1.3.0'

-    implementation 'com.nulab-inc:zxcvbn:1.2.3'
-
-    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 "com.squareup.okhttp3:mockwebserver:4.9.0"
    testImplementation 'org.json:json:20180813'
    testImplementation 'net.jodah:concurrentunit:0.4.4'
+
+    compileOnly 'org.projectlombok:lombok:1.18.16'
+    annotationProcessor 'org.projectlombok:lombok:1.18.16'
 }
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -13,6 +13,7 @@
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

    <application
+        android:requestLegacyExternalStorage="true"
        android:name=".XmrWalletApplication"
        android:allowBackup="false"
        android:icon="@mipmap/ic_launcher"
@@ -20,8 +21,9 @@
        android:supportsRtl="true"
        android:theme="@style/MyMaterialTheme"
        android:usesCleartextTraffic="true">
-        <activity android:name=".MainActivity"
-            android:configChanges="orientation|keyboardHidden"
+        <activity
+            android:name=".MainActivity"
+            android:configChanges="orientation|keyboardHidden|uiMode"
            android:launchMode="singleTop"
            android:screenOrientation="portrait">
            <intent-filter>
@@ -31,13 +33,13 @@
        </activity>
        <activity
            android:name=".WalletActivity"
-            android:configChanges="orientation|keyboardHidden"
+            android:configChanges="orientation|keyboardHidden|uiMode"
            android:label="@string/wallet_activity_name"
            android:launchMode="singleTask"
-            android:screenOrientation="behind" />
+            android:screenOrientation="behind"/>
        <activity
            android:name=".LoginActivity"
-            android:configChanges="orientation|keyboardHidden"
+            android:configChanges="orientation|keyboardHidden|uiMode"
            android:label="@string/app_name"
            android:launchMode="singleTop"
            android:screenOrientation="locked">
@@ -65,10 +67,11 @@
                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"
+        <activity
+            android:name=".onboarding.OnBoardingActivity"
+            android:configChanges="orientation|keyboardHidden|uiMode"
            android:launchMode="singleTask"
-            android:screenOrientation="portrait"/>
+            android:screenOrientation="portrait" />

        <service
            android:name=".service.WalletService"
@@ -77,7 +80,7 @@
            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">
--- a/app/src/main/java/com/m2049r/levin/scanner/Dispatcher.java
+++ b/app/src/main/java/com/m2049r/levin/scanner/Dispatcher.java
@@ -185,7 +185,6 @@ public class Dispatcher implements PeerRetriever.OnGetPeers {

    public void seedPeers(Collection<NodeInfo> seedNodes) {
        for (NodeInfo node : seedNodes) {
-            node.clear();
            if (node.isFavourite()) {
                rpcNodes.add(node);
                if (listener != null) listener.onGet(node);
--- a/app/src/main/java/com/m2049r/xmrwallet/BaseActivity.java
+++ b/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;
--- a/app/src/main/java/com/m2049r/xmrwallet/GenerateFragment.java
+++ b/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);
--- a/app/src/main/java/com/m2049r/xmrwallet/GenerateReviewFragment.java
+++ b/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();
--- a/app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java
--- a/app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java
+++ b/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;
@@ -38,12 +33,19 @@ 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;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.KeyStoreHelper;
+import com.m2049r.xmrwallet.util.NodePinger;
 import com.m2049r.xmrwallet.util.Notice;
 import com.m2049r.xmrwallet.widget.Toolbar;

@@ -63,6 +65,7 @@ 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;
@@ -103,6 +106,8 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter

        Set<NodeInfo> getFavouriteNodes();

+        Set<NodeInfo> getOrPopulateFavourites();
+
        boolean hasLedger();
    }

@@ -130,11 +135,7 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
        activityCallback.setTitle(null);
        activityCallback.setToolbarButton(Toolbar.BUTTON_CREDITS);
        activityCallback.showNet();
-        NodeInfo node = activityCallback.getNode();
-        if (node == null)
-            findBestNode();
-        else
-            showNode(node);
+        pingSelectedNode();
    }

    @Override
@@ -143,6 +144,7 @@ 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);
@@ -183,23 +185,10 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter

        pbNode = view.findViewById(R.id.pbNode);
        llNode = view.findViewById(R.id.llNode);
-        llNode.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (activityCallback.getFavouriteNodes().isEmpty())
-                    startNodePrefs();
-                else
-                    findBestNode();
-            }
-        });
+        llNode.setOnClickListener(v -> startNodePrefs());
        tvNodeName = view.findViewById(R.id.tvNodeName);
        tvNodeAddress = view.findViewById(R.id.tvNodeAddress);
-        view.findViewById(R.id.ibOption).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                startNodePrefs();
-            }
-        });
+        view.findViewById(R.id.ibRenew).setOnClickListener(v -> findBestNode());

        Helper.hideKeyboard(getActivity());

@@ -275,13 +264,15 @@ 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
@@ -416,32 +407,57 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
    }

    public void findBestNode() {
-        new AsyncFindBestNode().execute();
+        new AsyncFindBestNode().execute(AsyncFindBestNode.FIND_BEST);
    }

-    private class AsyncFindBestNode extends AsyncTask<Void, Void, NodeInfo> {
+    public void pingSelectedNode() {
+        new AsyncFindBestNode().execute(AsyncFindBestNode.PING_SELECTED);
+    }
+
+    private NodeInfo autoselect(Set<NodeInfo> nodes) {
+        if (nodes.isEmpty()) return null;
+        NodePinger.execute(nodes, null);
+        List<NodeInfo> nodeList = new ArrayList<>(nodes);
+        Collections.sort(nodeList, NodeInfo.BestNodeComparator);
+        return nodeList.get(0);
+    }
+
+    private class AsyncFindBestNode extends AsyncTask<Integer, Void, NodeInfo> {
+        final static int PING_SELECTED = 0;
+        final static int FIND_BEST = 1;
+
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            pbNode.setVisibility(View.VISIBLE);
            llNode.setVisibility(View.INVISIBLE);
-            activityCallback.setNode(null);
        }

        @Override
-        protected NodeInfo doInBackground(Void... params) {
-            List<NodeInfo> nodesToTest = new ArrayList<>(activityCallback.getFavouriteNodes());
-            Timber.d("testing best node from %d", nodesToTest.size());
-            if (nodesToTest.isEmpty()) return null;
-            for (NodeInfo node : nodesToTest) {
-                node.testRpcService(); // TODO: do this in parallel?
-                // no: it's better if it looks like it's doing something
-            }
-            Collections.sort(nodesToTest, NodeInfo.BestNodeComparator);
-            NodeInfo bestNode = nodesToTest.get(0);
-            if (bestNode.isValid()) {
-                activityCallback.setNode(bestNode);
-                return bestNode;
+        protected NodeInfo doInBackground(Integer... params) {
+            Set<NodeInfo> favourites = activityCallback.getOrPopulateFavourites();
+            NodeInfo selectedNode;
+            if (params[0] == FIND_BEST) {
+                selectedNode = autoselect(favourites);
+            } else if (params[0] == PING_SELECTED) {
+                selectedNode = activityCallback.getNode();
+                if (!activityCallback.getFavouriteNodes().contains(selectedNode))
+                    selectedNode = null; // it's not in the favourites (any longer)
+                if (selectedNode == null)
+                    for (NodeInfo node : favourites) {
+                        if (node.isSelected()) {
+                            selectedNode = node;
+                            break;
+                        }
+                    }
+                if (selectedNode == null) { // autoselect
+                    selectedNode = autoselect(favourites);
+                } else
+                    selectedNode.testRpcService();
+            } else throw new IllegalStateException();
+            if ((selectedNode != null) && selectedNode.isValid()) {
+                activityCallback.setNode(selectedNode);
+                return selectedNode;
            } else {
                activityCallback.setNode(null);
                return null;
@@ -457,17 +473,10 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
                Timber.d("found a good node %s", result.toString());
                showNode(result);
            } else {
-                if (!activityCallback.getFavouriteNodes().isEmpty()) {
-                    tvNodeName.setText(getResources().getText(R.string.node_refresh_hint));
-                    tvNodeName.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_refresh_black_24dp, 0, 0, 0);
-                    tvNodeAddress.setText(null);
-                    tvNodeAddress.setVisibility(View.GONE);
-                } else {
-                    tvNodeName.setText(getResources().getText(R.string.node_create_hint));
-                    tvNodeName.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
-                    tvNodeAddress.setText(null);
-                    tvNodeAddress.setVisibility(View.GONE);
-                }
+                tvNodeName.setText(getResources().getText(R.string.node_create_hint));
+                tvNodeName.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+                tvNodeAddress.setText(null);
+                tvNodeAddress.setVisibility(View.GONE);
            }
        }

@@ -480,12 +489,11 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
    private void showNode(NodeInfo nodeInfo) {
        tvNodeName.setText(nodeInfo.getName());
        tvNodeName.setCompoundDrawablesWithIntrinsicBounds(NodeInfoAdapter.getPingIcon(nodeInfo), 0, 0, 0);
-        tvNodeAddress.setText(nodeInfo.getAddress());
+        Helper.showTimeDifference(tvNodeAddress, nodeInfo.getTimestamp());
        tvNodeAddress.setVisibility(View.VISIBLE);
    }

    private void startNodePrefs() {
-        activityCallback.setNode(null);
        activityCallback.onNodePrefs();
    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
@@ -18,13 +18,14 @@ package com.m2049r.xmrwallet;

 import android.content.Intent;
 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.onboarding.OnBoardingActivity;
 import com.m2049r.xmrwallet.onboarding.OnBoardingManager;

-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends BaseActivity {
    @Override
    protected void onCreate(@Nullable final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
--- a/app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java
+++ b/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) {
@@ -620,6 +610,8 @@ public class ReceiveFragment extends Fragment {
            super.onPostExecute(result);
            if (dialogOpened)
                progressCallback.dismissProgressDialog();
+            if (!isAdded()) // never mind then
+                return;
            tvAddress.setText(newSubaddress);
            tvAddressLabel.setText(getString(R.string.generate_address_label_sub,
                    wallet.getNumSubaddresses() - 1));
--- a/app/src/main/java/com/m2049r/xmrwallet/ScannerFragment.java
+++ b/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;
--- a/app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java
+++ b/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;
    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/TxFragment.java
+++ b/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();
--- a/app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java
+++ b/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;
@@ -312,11 +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();
    }

@@ -426,10 +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());
@@ -581,11 +579,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
        });
        if (numAccounts != wallet.getNumAccounts()) {
            numAccounts = wallet.getNumAccounts();
-            runOnUiThread(new Runnable() {
-                public void run() {
-                    updateAccountsList();
-                }
-            });
+            runOnUiThread(this::updateAccountsList);
        }
        try {
            final WalletFragment walletFragment = (WalletFragment)
@@ -667,7 +661,7 @@ 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);
@@ -872,7 +866,7 @@ 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)
@@ -1057,21 +1051,23 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
    }

    void updateAccountsList() {
-        final Wallet wallet = getWallet();
        Menu menu = accountsView.getMenu();
        menu.removeGroup(R.id.accounts_list);
-        final int n = wallet.getNumAccounts();
-        final boolean showBalances = (n > 1) && !isStreetMode();
-        for (int i = 0; i < n; i++) {
-            final String label = (showBalances ?
-                    getString(R.string.label_account, wallet.getAccountLabel(i), Helper.getDisplayAmount(wallet.getBalance(i), 2))
-                    : wallet.getAccountLabel(i));
-            final MenuItem item = menu.add(R.id.accounts_list, getAccountId(i), 2 * i, label);
-            item.setIcon(R.drawable.ic_account_balance_wallet_black_24dp);
-            if (i == wallet.getAccountIndex())
-                item.setChecked(true);
+        final Wallet wallet = getWallet();
+        if (wallet != null) {
+            final int n = wallet.getNumAccounts();
+            final boolean showBalances = (n > 1) && !isStreetMode();
+            for (int i = 0; i < n; i++) {
+                final String label = (showBalances ?
+                        getString(R.string.label_account, wallet.getAccountLabel(i), Helper.getDisplayAmount(wallet.getBalance(i), 2))
+                        : wallet.getAccountLabel(i));
+                final MenuItem item = menu.add(R.id.accounts_list, getAccountId(i), 2 * i, label);
+                item.setIcon(R.drawable.ic_account_balance_wallet_black_24dp);
+                if (i == wallet.getAccountIndex())
+                    item.setChecked(true);
+            }
+            menu.setGroupCheckable(R.id.accounts_list, true, true);
        }
-        menu.setGroupCheckable(R.id.accounts_list, true, true);
    }

    @Override
@@ -1093,7 +1089,7 @@ 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);
--- a/app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java
+++ b/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) {
@@ -537,4 +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);
+    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/XmrWalletApplication.java
+++ b/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);
--- a/app/src/main/java/com/m2049r/xmrwallet/data/BarcodeData.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/data/BarcodeData.java
@@ -191,7 +191,7 @@ public class BarcodeData {
            }
        }

-        if (!Wallet.isAddressValid(address)) {
+        if ((address == null) || !Wallet.isAddressValid(address)) {
            Timber.d("address invalid");
            return null;
        }
--- a/app/src/main/java/com/m2049r/xmrwallet/data/DefaultNodes.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/data/DefaultNodes.java
@@ -0,0 +1,19 @@
+package com.m2049r.xmrwallet.data;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+// Nodes stolen from https://moneroworld.com/#nodes
+
+@AllArgsConstructor
+public enum DefaultNodes {
+    MONERUJO("nodex.monerujo.io:18081"),
+    XMRTO("node.xmr.to:18081"),
+    SUPPORTXMR("node.supportxmr.com:18081"),
+    HASHVAULT("nodes.hashvault.pro:18081"),
+    MONEROWORLD("node.moneroworld.com:18089"),
+    XMRTW("opennode.xmr-tw.org:18089");
+
+    @Getter
+    private final String uri;
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/data/Node.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/data/Node.java
@@ -26,6 +26,8 @@ import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.net.UnknownHostException;

+import lombok.Getter;
+import lombok.Setter;
 import timber.log.Timber;

 public class Node {
@@ -33,15 +35,29 @@ public class Node {
    static public final String STAGENET = "stagenet";
    static public final String TESTNET = "testnet";

+    @Getter
    private String name = null;
+    @Getter
    final private NetworkType networkType;
    InetAddress hostAddress;
+    @Getter
    private String host;
+    @Getter
+    @Setter
    int rpcPort = 0;
    private int levinPort = 0;
+    @Getter
+    @Setter
    private String username = "";
+    @Getter
+    @Setter
    private String password = "";
+    @Getter
+    @Setter
    private boolean favourite = false;
+    @Getter
+    @Setter
+    private boolean selected = false;

    @Override
    public int hashCode() {
@@ -193,7 +209,6 @@ public class Node {
        this.levinPort = socketAddress.getPort();
        this.username = "";
        this.password = "";
-        //this.name = socketAddress.getHostName(); // triggers DNS so we don't do it by default
    }

    public String getAddress() {
@@ -204,14 +219,6 @@ public class Node {
        return hostAddress.getHostAddress();
    }

-    public String getHost() {
-        return host;
-    }
-
-    public int getRpcPort() {
-        return rpcPort;
-    }
-
    public void setHost(String host) throws UnknownHostException {
        if ((host == null) || (host.isEmpty()))
            throw new UnknownHostException("loopback not supported (yet?)");
@@ -219,18 +226,6 @@ public class Node {
        this.hostAddress = InetAddress.getByName(host);
    }

-    public void setUsername(String user) {
-        username = user;
-    }
-
-    public void setPassword(String pass) {
-        password = pass;
-    }
-
-    public void setRpcPort(int port) {
-        this.rpcPort = port;
-    }
-
    public void setName() {
        if (name == null)
            this.name = hostAddress.getHostName();
@@ -243,30 +238,6 @@ public class Node {
            this.name = name;
    }

-    public String getName() {
-        return name;
-    }
-
-    public NetworkType getNetworkType() {
-        return networkType;
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public boolean isFavourite() {
-        return favourite;
-    }
-
-    public void setFavourite(boolean favourite) {
-        this.favourite = favourite;
-    }
-
    public void toggleFavourite() {
        favourite = !favourite;
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java
@@ -21,8 +21,8 @@ import com.burgstaller.okhttp.CachingAuthenticatorDecorator;
 import com.burgstaller.okhttp.digest.CachingAuthenticator;
 import com.burgstaller.okhttp.digest.Credentials;
 import com.burgstaller.okhttp.digest.DigestAuthenticator;
-import com.m2049r.levin.scanner.Dispatcher;
 import com.m2049r.levin.scanner.LevinPeer;
+import com.m2049r.xmrwallet.util.NodePinger;
 import com.m2049r.xmrwallet.util.OkHttpHelper;

 import org.json.JSONException;
@@ -36,6 +36,8 @@ import java.util.Comparator;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;

+import lombok.Getter;
+import lombok.Setter;
 import okhttp3.HttpUrl;
 import okhttp3.MediaType;
 import okhttp3.OkHttpClient;
@@ -46,14 +48,24 @@ import okhttp3.ResponseBody;
 import timber.log.Timber;

 public class NodeInfo extends Node {
-    final static public int MIN_MAJOR_VERSION = 11;
+    final static public int MIN_MAJOR_VERSION = 14;
    final static public String RPC_VERSION = "2.0";

+    @Getter
    private long height = 0;
+    @Getter
    private long timestamp = 0;
+    @Getter
    private int majorVersion = 0;
+    @Getter
    private double responseTime = Double.MAX_VALUE;
+    @Getter
    private int responseCode = 0;
+    @Getter
+    private boolean tested = false;
+    @Getter
+    @Setter
+    private boolean selecting = false;

    public void clear() {
        height = 0;
@@ -61,13 +73,13 @@ public class NodeInfo extends Node {
        responseTime = Double.MAX_VALUE;
        responseCode = 0;
        timestamp = 0;
+        tested = false;
    }

    static public NodeInfo fromString(String nodeString) {
        try {
            return new NodeInfo(nodeString);
        } catch (IllegalArgumentException ex) {
-            Timber.w(ex);
            return null;
        }
    }
@@ -113,26 +125,6 @@ public class NodeInfo extends Node {
        super();
    }

-    public long getHeight() {
-        return height;
-    }
-
-    public long getTimestamp() {
-        return timestamp;
-    }
-
-    public int getMajorVersion() {
-        return majorVersion;
-    }
-
-    public double getResponseTime() {
-        return responseTime;
-    }
-
-    public int getResponseCode() {
-        return responseCode;
-    }
-
    public boolean isSuccessful() {
        return (responseCode >= 200) && (responseCode < 300);
    }
@@ -145,23 +137,20 @@ public class NodeInfo extends Node {
        return isSuccessful() && (majorVersion >= MIN_MAJOR_VERSION) && (responseTime < Double.MAX_VALUE);
    }

-    static public Comparator<NodeInfo> BestNodeComparator = new Comparator<NodeInfo>() {
-        @Override
-        public int compare(NodeInfo o1, NodeInfo o2) {
-            if (o1.isValid()) {
-                if (o2.isValid()) { // both are valid
-                    // higher node wins
-                    int heightDiff = (int) (o2.height - o1.height);
-                    if (Math.abs(heightDiff) > Dispatcher.HEIGHT_WINDOW)
-                        return heightDiff;
-                    // if they are (nearly) equal, faster node wins
-                    return (int) Math.signum(o1.responseTime - o2.responseTime);
-                } else {
-                    return -1;
-                }
+    static public Comparator<NodeInfo> BestNodeComparator = (o1, o2) -> {
+        if (o1.isValid()) {
+            if (o2.isValid()) { // both are valid
+                // higher node wins
+                int heightDiff = (int) (o2.height - o1.height);
+                if (heightDiff != 0)
+                    return heightDiff;
+                // if they are equal, faster node wins
+                return (int) Math.signum(o1.responseTime - o2.responseTime);
            } else {
-                return 1;
+                return -1;
            }
+        } else {
+            return 1;
        }
    };

@@ -192,7 +181,7 @@ public class NodeInfo extends Node {
    }

    private static final int HTTP_TIMEOUT = OkHttpHelper.HTTP_TIMEOUT;
-    public static final double PING_GOOD = HTTP_TIMEOUT / 3; //ms
+    public static final double PING_GOOD = HTTP_TIMEOUT / 3.0; //ms
    public static final double PING_MEDIUM = 2 * PING_GOOD; //ms
    public static final double PING_BAD = HTTP_TIMEOUT;

@@ -200,7 +189,15 @@ public class NodeInfo extends Node {
        return testRpcService(rpcPort);
    }

+    public boolean testRpcService(NodePinger.Listener listener) {
+        boolean result = testRpcService(rpcPort);
+        if (listener != null)
+            listener.publish(this);
+        return result;
+    }
+
    private boolean testRpcService(int port) {
+        Timber.d("Testing %s", toNodeString());
        clear();
        try {
            OkHttpClient client = OkHttpHelper.getEagerClient();
@@ -247,8 +244,9 @@ public class NodeInfo extends Node {
                }
            }
        } catch (IOException | JSONException ex) {
-            // failure
-            Timber.d(ex.getMessage());
+            Timber.d(ex);
+        } finally {
+            tested = true;
        }
        return false;
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/dialog/AboutFragment.java
+++ b/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();
    }

--- a/app/src/main/java/com/m2049r/xmrwallet/dialog/CreditsFragment.java
+++ b/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();
    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/dialog/HelpFragment.java
+++ b/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();
    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/dialog/PrivacyFragment.java
+++ b/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();
    }
 }
--- a/app/src/main/java/com/m2049r/xmrwallet/dialog/ProgressDialog.java
+++ b/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;
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAddressWizardFragment.java
+++ b/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;
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAmountWizardFragment.java
+++ b/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);
        }
    }

--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java
@@ -18,6 +18,12 @@ package com.m2049r.xmrwallet.fragment.send;

 import android.os.Bundle;
 import android.os.Handler;
+
+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;
@@ -25,6 +31,8 @@ import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;

+import androidx.appcompat.app.AlertDialog;
+
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.data.TxDataBtc;
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcSuccessWizardFragment.java
+++ b/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) {
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java
@@ -17,12 +17,18 @@
 package com.m2049r.xmrwallet.fragment.send;

 import android.os.Bundle;
-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.widget.TextView;

+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;
@@ -147,7 +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).
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendFragment.java
+++ b/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;
@@ -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);
        }
    }

--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
m2049r	d94d6e6925	downgrade to APK 29 & bump version	2020-11-22 19:39:30 +01:00
m2049r	4a819cc159	bump version	2020-11-21 22:18:36 +01:00
m2049r	f40c3d6c6d	catch cases where the qr code produces a null monero address (#702 )	2020-11-21 22:08:23 +01:00
m2049r	82b25df7ad	better node selection (#701 )	2020-11-21 21:54:21 +01:00
m2049r	08f815e830	don't show connection error if we havent tested yet (#700 )	2020-11-21 13:22:54 +01:00
m2049r	4e59be2dff	New handling of nodes (#699 ) * rework node handling * update block heights	2020-11-19 16:36:01 +01:00
m2049r	45c5883e11	fix potential NPE in updateAccountsList()	2020-10-20 23:47:41 +02:00
m2049r	067a23e6a5	fix crash if back before new address is generated	2020-10-20 23:40:55 +02:00
m2049r	d21fd41c44	update dependencies & fix MethodNotFound exception	2020-10-20 23:31:29 +02:00
m2049r	6632547d1e	bump version & fix versionCode (#694 )	2020-10-19 23:44:40 +02:00
m2049r	f1b786ec3e	fix keyboard crash when no view in focus (#693 )	2020-10-19 23:42:22 +02:00
m2049r	a93e96d34c	upgrade to monero v0.17.1.1 (#692 )	2020-10-19 23:39:30 +02:00
m2049r	1829d30b61	Restyle UI (#690 ) * enable testnet flavor * v0.17.1.0 * migrate to androidx & material * new color themes * bump version v1.15.2	2020-10-16 02:52:08 +02:00
m2049r	e5b15b7816	always apply tx_amount from qr code (#687 )	2020-09-27 11:00:57 +02:00