bump version

* Support multiple colour themes
* Fix sharing
* Add settings
* Fantastic UI tweaks

.circleci/config.yml

@@ -3,13 +3,11 @@ jobs:
   build:
     working_directory: ~/code
     docker:
-      - image: circleci/android:api-28-ndk
+      - image: cimg/android:2022.03-ndk
     environment:
       JVM_OPTS: -Xmx3200m
     steps:
       - checkout
-      - run: yes | sdkmanager --licenses || exit 0
-      - run: yes | sdkmanager --update || exit 0
       - restore_cache:
           key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
       - run:

app/CMakeLists.txt

@@ -171,6 +171,10 @@ add_library(wallet-crypto STATIC IMPORTED)
 set_target_properties(wallet-crypto PROPERTIES IMPORTED_LOCATION
         ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libwallet-crypto.a)
 
+add_library(cryptonote_format_utils_basic STATIC IMPORTED)
+set_target_properties(cryptonote_format_utils_basic PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcryptonote_format_utils_basic.a)
+
 #############
 # System
 #############
@@ -193,6 +197,7 @@ target_link_libraries(  monerujo
                         wallet
                         cryptonote_core
                         cryptonote_basic
+                        cryptonote_format_utils_basic
                         mnemonics
                         ringct
                         ringct_basic

app/build.gradle

@@ -1,14 +1,15 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
-    buildToolsVersion '29.0.3'
+    buildToolsVersion '30.0.3'
+    ndkVersion '17.2.4988734'
     defaultConfig {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 31
-        versionCode 1002
+        versionCode 1401
-        versionName "2.0.2 'Puginarug'"
+        versionName "2.4.1 'Baldaŭ'"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
@@ -112,42 +113,46 @@ android {
     }
 }
 
-def getId(name) {
+static def getId(name) {
-    def Properties props = new Properties()
+    Properties props = new Properties()
     props.load(new FileInputStream(new File('monerujo.id')))
     return props[name]
 }
 
 dependencies {
-    implementation 'androidx.core:core:1.3.2'
+    implementation 'androidx.core:core:1.7.0'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
-    implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.2.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    implementation 'androidx.preference:preference:1.2.0'
+
+    implementation 'com.google.android.material:material:1.5.0'
 
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
-    implementation "com.squareup.okhttp3:okhttp:4.9.0"
+    implementation "com.squareup.okhttp3:okhttp:4.9.3"
-    implementation "com.burgstaller:okhttp-digest:2.1"
+    implementation "io.github.rburgst:okhttp-digest:2.6"
-    implementation "com.jakewharton.timber:timber:4.7.1"
+    implementation "com.jakewharton.timber:timber:5.0.1"
 
-    implementation 'com.nulab-inc:zxcvbn:1.3.0'
+    implementation 'info.guardianproject.netcipher:netcipher:2.1.0'
+    //implementation 'info.guardianproject.netcipher:netcipher-okhttp3:2.1.0'
+    implementation fileTree(dir: 'libs/classes', include: ['*.jar'])
+    implementation 'com.nulab-inc:zxcvbn:1.5.2'
 
     implementation 'dnsjava:dnsjava:2.1.9'
     implementation 'org.jitsi:dnssecjava:1.2.0'
-    implementation 'org.slf4j:slf4j-nop:1.7.30'
+    implementation 'org.slf4j:slf4j-nop:1.7.36'
     implementation 'com.github.brnunes:swipeablerecyclerview:1.0.2'
 
-    implementation 'com.github.aelstad:keccakj:1.1.0'
+    //noinspection GradleDependency
+    testImplementation "junit:junit:4.13.2"
+    testImplementation "org.mockito:mockito-all:1.10.19"
+    testImplementation "com.squareup.okhttp3:mockwebserver:4.9.3"
+    testImplementation 'org.json:json:20211205'
+    testImplementation 'net.jodah:concurrentunit:0.4.6'
 
-    testImplementation "junit:junit:$rootProject.ext.junitVersion"
+    compileOnly 'org.projectlombok:lombok:1.18.22'
-    testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
+    annotationProcessor 'org.projectlombok:lombok:1.18.22'
-    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'
 }

app/src/main/AndroidManifest.xml

@@ -4,28 +4,48 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
     <uses-permission android:name="android.permission.NFC" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
+    <queries>
+        <intent>
+            <action android:name="org.torproject.android.intent.action.START" />
+        </intent>
+        <intent>
+            <action android:name="org.torproject.android.intent.action.STATUS" />
+        </intent>
+        <intent>
+            <action android:name="org.torproject.android.REQUEST_HS_PORT" />
+        </intent>
+        <intent>
+            <action android:name="org.torproject.android.REQUEST_V3_ONION_SERVICE" />
+        </intent>
+
+        <package android:name="org.torproject.android" />
+    </queries>
+
     <application
-        android:preserveLegacyExternalStorage="true"
         android:name=".XmrWalletApplication"
         android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:preserveLegacyExternalStorage="true"
         android:supportsRtl="true"
-        android:theme="@style/MyMaterialTheme"
+        android:theme="@style/MyMaterialThemeClassic"
         android:usesCleartextTraffic="true">
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|keyboardHidden|uiMode"
+            android:exported="true"
             android:launchMode="singleTop"
             android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
@@ -34,27 +54,28 @@
             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|uiMode"
+            android:configChanges="orientation|keyboardHidden"
+            android:exported="true"
             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>
-
             <intent-filter android:label="@string/app_name">
                 <action android:name="android.intent.action.VIEW" />
+
                 <data android:scheme="monero" />
 
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
             </intent-filter>
-
             <intent-filter android:label="@string/app_name">
                 <action android:name="android.intent.action.VIEW" />
+
                 <data android:scheme="bitcoin" />
 
                 <category android:name="android.intent.category.DEFAULT" />
@@ -87,4 +108,5 @@
                 android:resource="@xml/filepaths" />
         </provider>
     </application>
-</manifest>
+
+</manifest>

app/src/main/cpp/monerujo.cpp

@@ -229,7 +229,7 @@ std::vector<std::string> java2cpp(JNIEnv *env, jobject arrayList) {
     return result;
 }
 
-jobject cpp2java(JNIEnv *env, const std::vector<std::string>& vector) {
+jobject cpp2java(JNIEnv *env, const std::vector<std::string> &vector) {
 
     jmethodID java_util_ArrayList_ = env->GetMethodID(class_ArrayList, "<init>", "(I)V");
     jmethodID java_util_ArrayList_add = env->GetMethodID(class_ArrayList, "add",
@@ -301,12 +301,13 @@ Java_com_m2049r_xmrwallet_model_WalletManager_openWalletJ(JNIEnv *env, jobject i
 JNIEXPORT jlong JNICALL
 Java_com_m2049r_xmrwallet_model_WalletManager_recoveryWalletJ(JNIEnv *env, jobject instance,
                                                               jstring path, jstring password,
-                                                              jstring mnemonic,
+                                                              jstring mnemonic, jstring offset,
                                                               jint networkType,
                                                               jlong restoreHeight) {
     const char *_path = env->GetStringUTFChars(path, nullptr);
     const char *_password = env->GetStringUTFChars(password, nullptr);
     const char *_mnemonic = env->GetStringUTFChars(mnemonic, nullptr);
+    const char *_offset = env->GetStringUTFChars(offset, nullptr);
     Monero::NetworkType _networkType = static_cast<Monero::NetworkType>(networkType);
 
     Bitmonero::Wallet *wallet =
@@ -315,11 +316,14 @@ Java_com_m2049r_xmrwallet_model_WalletManager_recoveryWalletJ(JNIEnv *env, jobje
                     std::string(_password),
                     std::string(_mnemonic),
                     _networkType,
-                    (uint64_t) restoreHeight);
+                    (uint64_t) restoreHeight,
+                    1, // kdf_rounds
+                    std::string(_offset));
 
     env->ReleaseStringUTFChars(path, _path);
     env->ReleaseStringUTFChars(password, _password);
     env->ReleaseStringUTFChars(mnemonic, _mnemonic);
+    env->ReleaseStringUTFChars(offset, _offset);
     return reinterpret_cast<jlong>(wallet);
 }
 
@@ -531,6 +535,17 @@ Java_com_m2049r_xmrwallet_model_WalletManager_resolveOpenAlias(JNIEnv *env, jobj
     return env->NewStringUTF(resolvedAlias.c_str());
 }
 
+JNIEXPORT jboolean JNICALL
+Java_com_m2049r_xmrwallet_model_WalletManager_setProxy(JNIEnv *env, jobject instance,
+                                                       jstring address) {
+    const char *_address = env->GetStringUTFChars(address, nullptr);
+    bool rc =
+            Bitmonero::WalletManagerFactory::getWalletManager()->setProxy(std::string(_address));
+    env->ReleaseStringUTFChars(address, _address);
+    return rc;
+}
+
+
 //TODO static std::tuple<bool, std::string, std::string, std::string, std::string> checkUpdates(const std::string &software, const std::string &subdir);
 
 JNIEXPORT jboolean JNICALL
@@ -559,9 +574,12 @@ Java_com_m2049r_xmrwallet_model_WalletManager_closeJ(JNIEnv *env, jobject instan
 /**********************************/
 
 JNIEXPORT jstring JNICALL
-Java_com_m2049r_xmrwallet_model_Wallet_getSeed(JNIEnv *env, jobject instance) {
+Java_com_m2049r_xmrwallet_model_Wallet_getSeed(JNIEnv *env, jobject instance, jstring seedOffset) {
+    const char *_seedOffset = env->GetStringUTFChars(seedOffset, nullptr);
     Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
-    return env->NewStringUTF(wallet->seed().c_str());
+    jstring seed = env->NewStringUTF(wallet->seed(std::string(_seedOffset)).c_str());
+    env->ReleaseStringUTFChars(seedOffset, _seedOffset);
+    return seed;
 }
 
 JNIEXPORT jstring JNICALL
@@ -727,6 +745,16 @@ Java_com_m2049r_xmrwallet_model_Wallet_getConnectionStatusJ(JNIEnv *env, jobject
 //TODO virtual void setTrustedDaemon(bool arg) = 0;
 //TODO virtual bool trustedDaemon() const = 0;
 
+JNIEXPORT jboolean JNICALL
+Java_com_m2049r_xmrwallet_model_Wallet_setProxy(JNIEnv *env, jobject instance,
+                                                jstring address) {
+    const char *_address = env->GetStringUTFChars(address, nullptr);
+    Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
+    bool rc = wallet->setProxy(std::string(_address));
+    env->ReleaseStringUTFChars(address, _address);
+    return rc;
+}
+
 JNIEXPORT jlong JNICALL
 Java_com_m2049r_xmrwallet_model_Wallet_getBalance(JNIEnv *env, jobject instance,
                                                   jint accountIndex) {
@@ -914,7 +942,7 @@ Java_com_m2049r_xmrwallet_model_Wallet_refreshAsync(JNIEnv *env, jobject instanc
 
 //virtual void rescanBlockchainAsync() = 0;
 JNIEXPORT void JNICALL
-Java_com_m2049r_xmrwallet_model_Wallet_rescanBlockchainAsync(JNIEnv *env, jobject instance) {
+Java_com_m2049r_xmrwallet_model_Wallet_rescanBlockchainAsyncJ(JNIEnv *env, jobject instance) {
     Bitmonero::Wallet *wallet = getHandle<Bitmonero::Wallet>(env, instance);
     wallet->rescanBlockchainAsync();
 }
@@ -1241,7 +1269,7 @@ jobject newTransactionInfo(JNIEnv *env, Bitmonero::TransactionInfo *info) {
 #include <stdio.h>
 #include <stdlib.h>
 
-jobject cpp2java(JNIEnv *env, const std::vector<Bitmonero::TransactionInfo *>& vector) {
+jobject cpp2java(JNIEnv *env, const std::vector<Bitmonero::TransactionInfo *> &vector) {
 
     jmethodID java_util_ArrayList_ = env->GetMethodID(class_ArrayList, "<init>", "(I)V");
     jmethodID java_util_ArrayList_add = env->GetMethodID(class_ArrayList, "add",

app/src/main/java/com/m2049r/levin/scanner/Dispatcher.java

@@ -77,7 +77,7 @@ public class Dispatcher implements PeerRetriever.OnGetPeers {
                     final NodeInfo nodeInfo = retrievedPeer.getNodeInfo();
                     Timber.d("Retrieved %s", nodeInfo);
                     if ((nodeInfo.isValid() || nodeInfo.isFavourite())) {
-                        nodeInfo.setName();
+                        nodeInfo.setDefaultName();
                         rpcNodes.add(nodeInfo);
                         Timber.d("RPC: %s", nodeInfo);
                         // the following is not totally correct but it works (otherwise we need to

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

@@ -27,6 +27,7 @@ import android.nfc.NfcAdapter;
 import android.nfc.Tag;
 import android.nfc.tech.Ndef;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -180,7 +181,7 @@ public class BaseActivity extends SecureActivity
             return;
         nfcPendingIntent = PendingIntent.getActivity(this, 0,
                 new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP),
-                0);
+                Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_IMMUTABLE : 0);
     }
 
     private void processNfcIntent(Intent intent) {

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

@@ -20,7 +20,6 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -59,7 +58,6 @@ import java.text.NumberFormat;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
-import java.util.Objects;
 import java.util.Set;
 
 import timber.log.Timber;
@@ -219,8 +217,8 @@ public class NodeFragment extends Fragment
             activityCallback.setNode(nodeItem); // this marks it as selected & saves it as well
             nodeItem.setSelecting(false);
             try {
-                Objects.requireNonNull(getActivity()).runOnUiThread(() -> nodesAdapter.allowClick(true));
+                requireActivity().runOnUiThread(() -> nodesAdapter.allowClick(true));
-            } catch (NullPointerException ex) {
+            } catch (IllegalStateException ex) {
                 // it's ok
             }
         });
@@ -403,16 +401,12 @@ public class NodeFragment extends Fragment
                 etNodeHost.setError(getString(R.string.node_host_empty));
                 return false;
             }
-            final boolean setHostSuccess = Helper.runWithNetwork(new Helper.Action() {
+            final boolean setHostSuccess = Helper.runWithNetwork(() -> {
-                @Override
+                try {
-                public boolean run() {
+                    nodeInfo.setHost(host);
-                    try {
+                    return true;
-                        nodeInfo.setHost(host);
+                } catch (UnknownHostException ex) {
-                        return true;
+                    return false;
-                    } catch (UnknownHostException ex) {
-                        etNodeHost.setError(getString(R.string.node_host_unresolved));
-                        return false;
-                    }
                 }
             });
             if (!setHostSuccess) {
@@ -421,14 +415,7 @@ public class NodeFragment extends Fragment
             }
             etNodeHost.setError(null);
             nodeInfo.setRpcPort(port);
-            // setName() may trigger reverse DNS
+            nodeInfo.setName(etNodeName.getEditText().getText().toString().trim());
-            Helper.runWithNetwork(new Helper.Action() {
-                @Override
-                public boolean run() {
-                    nodeInfo.setName(etNodeName.getEditText().getText().toString().trim());
-                    return true;
-                }
-            });
             nodeInfo.setUsername(etNodeUser.getEditText().getText().toString().trim());
             nodeInfo.setPassword(etNodePass.getEditText().getText().toString()); // no trim for pw
             return true;
@@ -532,20 +519,10 @@ public class NodeFragment extends Fragment
                 @Override
                 public void onShow(final DialogInterface dialog) {
                     Button testButton = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_NEUTRAL);
-                    testButton.setOnClickListener(new View.OnClickListener() {
+                    testButton.setOnClickListener(view -> test());
-                        @Override
-                        public void onClick(View view) {
-                            test();
-                        }
-                    });
 
                     Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
-                    button.setOnClickListener(new View.OnClickListener() {
+                    button.setOnClickListener(view -> apply());
-                        @Override
-                        public void onClick(View view) {
-                            apply();
-                        }
-                    });
                 }
             });
 
@@ -553,15 +530,13 @@ public class NodeFragment extends Fragment
                 editDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
             }
 
-            etNodePass.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            etNodePass.getEditText().setOnEditorActionListener((v, actionId, event) -> {
-                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                if (actionId == EditorInfo.IME_ACTION_DONE) {
-                    if (actionId == EditorInfo.IME_ACTION_DONE) {
+                    editDialog.getButton(DialogInterface.BUTTON_NEUTRAL).requestFocus();
-                        editDialog.getButton(DialogInterface.BUTTON_NEUTRAL).requestFocus();
+                    test();
-                        test();
+                    return true;
-                        return true;
-                    }
-                    return false;
                 }
+                return false;
             });
         }
 
@@ -589,6 +564,7 @@ public class NodeFragment extends Fragment
                     } else {
                         nodesAdapter.setNodes();
                     }
+                    nodesAdapter.notifyItemChanged(nodeInfo);
                 }
             }
         }

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

@@ -46,10 +46,7 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.widget.ShareActionProvider;
-import androidx.core.content.ContextCompat;
 import androidx.core.content.FileProvider;
-import androidx.core.view.MenuItemCompat;
 import androidx.fragment.app.Fragment;
 
 import com.google.android.material.textfield.TextInputLayout;
@@ -89,6 +86,7 @@ public class ReceiveFragment extends Fragment {
     private ImageView ivQrCodeFull;
     private EditText etDummy;
     private ImageButton bCopyAddress;
+    private MenuItem shareItem;
 
     private Wallet wallet = null;
     private boolean isMyWallet = false;
@@ -128,6 +126,7 @@ public class ReceiveFragment extends Fragment {
         evAmount.setOnNewAmountListener(xmr -> {
             Timber.d("new amount = %s", xmr);
             generateQr();
+            if (shareRequested && (xmr != null)) share();
         });
 
         evAmount.setOnFailedExchangeListener(() -> {
@@ -211,39 +210,38 @@ public class ReceiveFragment extends Fragment {
         setSharedElementEnterTransition(transform);
     }
 
-    private ShareActionProvider shareActionProvider;
+    private boolean shareRequested = false;
 
     @Override
     public void onCreateOptionsMenu(@NonNull Menu menu, final MenuInflater inflater) {
         inflater.inflate(R.menu.receive_menu, menu);
         super.onCreateOptionsMenu(menu, inflater);
 
-        // Locate MenuItem with ShareActionProvider
+        shareItem = menu.findItem(R.id.menu_item_share);
-        MenuItem item = menu.findItem(R.id.menu_item_share);
+        shareItem.setOnMenuItemClickListener(item -> {
-
+            if (shareRequested) return true;
-        // Fetch and store ShareActionProvider
+            shareRequested = true;
-        shareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(item);
+            if (!qrValid) {
-
+                evAmount.doExchange();
-        shareActionProvider.setOnShareTargetSelectedListener(new ShareActionProvider.OnShareTargetSelectedListener() {
+            } else {
-            @Override
+                share();
-            public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
-                saveQrCode(); // save it only if we need it
-                return false;
             }
+            return true;
         });
     }
 
-    private void setShareIntent() {
+    private void share() {
-        if (shareActionProvider != null) {
+        shareRequested = false;
-            if (qrValid) {
+        if (saveQrCode()) {
-                shareActionProvider.setShareIntent(getShareIntent());
+            final Intent sendIntent = getSendIntent();
-            } else {
+            if (sendIntent != null)
-                shareActionProvider.setShareIntent(null);
+                startActivity(Intent.createChooser(sendIntent, null));
-            }
+        } else {
+            Toast.makeText(getActivity(), getString(R.string.message_qr_failed), Toast.LENGTH_SHORT).show();
         }
     }
 
-    private void saveQrCode() {
+    private boolean saveQrCode() {
         if (!qrValid) throw new IllegalStateException("trying to save null qr code!");
 
         File cachePath = new File(getActivity().getCacheDir(), "images");
@@ -255,33 +253,35 @@ public class ReceiveFragment extends Fragment {
             Bitmap qrBitmap = ((BitmapDrawable) ivQrCode.getDrawable()).getBitmap();
             qrBitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
             stream.close();
+            return true;
         } catch (IOException ex) {
             Timber.e(ex);
             // make sure we don't share an old qr code
             if (!png.delete()) throw new IllegalStateException("cannot delete old qr code");
             // if we manage to delete it, the URI points to nothing and the user gets a toast with the error
         }
+        return false;
     }
 
-    private Intent getShareIntent() {
+    private Intent getSendIntent() {
-        File imagePath = new File(getActivity().getCacheDir(), "images");
+        File imagePath = new File(requireActivity().getCacheDir(), "images");
         File png = new File(imagePath, "QR.png");
-        Uri contentUri = FileProvider.getUriForFile(getActivity(),
+        Uri contentUri = FileProvider.getUriForFile(requireActivity(), BuildConfig.APPLICATION_ID + ".fileprovider", png);
-                BuildConfig.APPLICATION_ID + ".fileprovider", png);
         if (contentUri != null) {
             Intent shareIntent = new Intent();
             shareIntent.setAction(Intent.ACTION_SEND);
             shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); // temp permission for receiving app to read this file
-            shareIntent.setDataAndType(contentUri, getActivity().getContentResolver().getType(contentUri));
+            shareIntent.setTypeAndNormalize("image/png");
             shareIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
-            shareIntent.putExtra(Intent.EXTRA_TEXT, bcData.getUriString());
+            if (bcData != null)
+                shareIntent.putExtra(Intent.EXTRA_TEXT, bcData.getUriString());
             return shareIntent;
         }
         return null;
     }
 
     void copyAddress() {
-        Helper.clipBoardCopy(Objects.requireNonNull(getActivity()), getString(R.string.label_copy_address), subaddress.getAddress());
+        Helper.clipBoardCopy(requireActivity(), getString(R.string.label_copy_address), subaddress.getAddress());
         Toast.makeText(getActivity(), getString(R.string.message_copy_address), Toast.LENGTH_SHORT).show();
     }
 
@@ -291,7 +291,6 @@ public class ReceiveFragment extends Fragment {
         if (qrValid) {
             ivQrCode.setImageBitmap(null);
             qrValid = false;
-            setShareIntent();
             if (isLoaded)
                 tvQrCode.setVisibility(View.VISIBLE);
         }
@@ -300,7 +299,6 @@ public class ReceiveFragment extends Fragment {
     void setQR(Bitmap qr) {
         ivQrCode.setImageBitmap(qr);
         qrValid = true;
-        setShareIntent();
         tvQrCode.setVisibility(View.GONE);
     }
 
@@ -462,8 +460,8 @@ public class ReceiveFragment extends Fragment {
         subaddress = newSubaddress;
         final Context context = getContext();
         Spanned label = Html.fromHtml(context.getString(R.string.receive_subaddress,
-                Integer.toHexString(ContextCompat.getColor(context, R.color.monerujoGreen) & 0xFFFFFF),
+                Integer.toHexString(ThemeHelper.getThemedColor(context, R.attr.positiveColor) & 0xFFFFFF),
-                Integer.toHexString(ContextCompat.getColor(context, R.color.monerujoBackground) & 0xFFFFFF),
+                Integer.toHexString(ThemeHelper.getThemedColor(context, android.R.attr.colorBackground) & 0xFFFFFF),
                 subaddress.getDisplayLabel(), subaddress.getAddress()));
         tvAddress.setText(label);
         generateQr();

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

@@ -66,11 +66,7 @@ public abstract class SecureActivity extends AppCompatActivity {
 
         Locale locale = LocaleHelper.getPreferredLocale(this);
         if (locale != null) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            config.setLocale(locale);
-                config.setLocale(locale);
-            } else {
-                config.locale = locale;
-            }
         }
         return config;
     }

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

@@ -0,0 +1,125 @@
+package com.m2049r.xmrwallet;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+
+import androidx.annotation.StyleRes;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.PreferenceManager;
+
+import com.m2049r.xmrwallet.dialog.AboutFragment;
+import com.m2049r.xmrwallet.dialog.CreditsFragment;
+import com.m2049r.xmrwallet.dialog.PrivacyFragment;
+import com.m2049r.xmrwallet.util.DayNightMode;
+import com.m2049r.xmrwallet.util.LocaleHelper;
+import com.m2049r.xmrwallet.util.NightmodeHelper;
+import com.m2049r.xmrwallet.util.ThemeHelper;
+import com.m2049r.xmrwallet.widget.Toolbar;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Locale;
+
+import timber.log.Timber;
+
+public class SettingsFragment extends PreferenceFragmentCompat
+        implements SharedPreferences.OnSharedPreferenceChangeListener {
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        setPreferencesFromResource(R.xml.root_preferences, rootKey);
+
+        findPreference(getString(R.string.about_info)).setOnPreferenceClickListener(preference -> {
+            AboutFragment.display(getParentFragmentManager());
+            return true;
+        });
+        findPreference(getString(R.string.privacy_info)).setOnPreferenceClickListener(preference -> {
+            PrivacyFragment.display(getParentFragmentManager());
+            return true;
+        });
+        findPreference(getString(R.string.credits_info)).setOnPreferenceClickListener(preference -> {
+            CreditsFragment.display(getParentFragmentManager());
+            return true;
+        });
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if (key.equals(getString(R.string.preferred_locale))) {
+            activity.recreate();
+        } else if (key.equals(getString(R.string.preferred_nightmode))) {
+            NightmodeHelper.setNightMode(DayNightMode.valueOf(sharedPreferences.getString(key, "AUTO")));
+        } else if (key.equals(getString(R.string.preferred_theme))) {
+            ThemeHelper.setTheme((Activity) activity, sharedPreferences.getString(key, "Classic"));
+            activity.recreate();
+        }
+    }
+
+    private SettingsFragment.Listener activity;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        if (context instanceof SettingsFragment.Listener) {
+            activity = (SettingsFragment.Listener) context;
+        } else {
+            throw new ClassCastException(context + " must implement Listener");
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Timber.d("onResume()");
+        activity.setSubtitle(getString(R.string.menu_settings));
+        activity.setToolbarButton(Toolbar.BUTTON_BACK);
+        populateLanguages();
+        PreferenceManager.getDefaultSharedPreferences(requireContext())
+                .registerOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        PreferenceManager.getDefaultSharedPreferences(requireContext())
+                .unregisterOnSharedPreferenceChangeListener(this);
+    }
+
+    public interface Listener {
+        void setToolbarButton(int type);
+
+        void setSubtitle(String title);
+
+        void recreate();
+
+        void setTheme(@StyleRes final int resId);
+    }
+
+    public void populateLanguages() {
+        ListPreference language = findPreference(getString(R.string.preferred_locale));
+        assert language != null;
+
+        final ArrayList<Locale> availableLocales = LocaleHelper.getAvailableLocales(requireContext());
+        Collections.sort(availableLocales, (locale1, locale2) -> {
+            String localeString1 = LocaleHelper.getDisplayName(locale1, true);
+            String localeString2 = LocaleHelper.getDisplayName(locale2, true);
+            return localeString1.compareTo(localeString2);
+        });
+
+        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);
+        }
+        language.setEntries(localeDisplayNames);
+
+        String[] languageTags = new String[1 + availableLocales.size()];
+        languageTags[0] = "";
+        for (int i = 1; i < languageTags.length; i++) {
+            languageTags[i] = availableLocales.get(i - 1).toLanguageTag();
+        }
+        language.setEntryValues(languageTags);
+    }
+}

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

@@ -30,7 +30,6 @@ import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.google.android.material.transition.MaterialElevationScale;
 import com.m2049r.xmrwallet.data.Subaddress;
 import com.m2049r.xmrwallet.layout.SubaddressInfoAdapter;
 import com.m2049r.xmrwallet.ledger.LedgerProgressDialog;
@@ -67,6 +66,8 @@ public class SubaddressFragment extends Fragment implements SubaddressInfoAdapte
         void setToolbarButton(int type);
 
         void showSubaddress(View view, final int subaddressIndex);
+
+        void saveWallet();
     }
 
     public interface ProgressListener {
@@ -115,14 +116,6 @@ public class SubaddressFragment extends Fragment implements SubaddressInfoAdapte
         managerMode = ((b != null) && (MODE_MANAGER.equals(b.getString(KEY_MODE))));
 
         View view = inflater.inflate(R.layout.fragment_subaddress, container, false);
-
-        final MaterialElevationScale exitTransition = new MaterialElevationScale(false);
-        exitTransition.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        setExitTransition(exitTransition);
-        final MaterialElevationScale reenterTransition = new MaterialElevationScale(true);
-        reenterTransition.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        setReenterTransition(reenterTransition);
-
         view.findViewById(R.id.fab).setOnClickListener(this);
 
         if (managerMode) {
@@ -152,11 +145,6 @@ public class SubaddressFragment extends Fragment implements SubaddressInfoAdapte
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
-        postponeEnterTransition();
-        view.getViewTreeObserver().addOnPreDrawListener(() -> {
-            startPostponedEnterTransition();
-            return true;
-        });
     }
 
     public void loadList() {
@@ -217,7 +205,9 @@ public class SubaddressFragment extends Fragment implements SubaddressInfoAdapte
         protected Boolean doInBackground(Void... params) {
             if (params.length != 0) return false;
             wallet.getNewSubaddress();
-            wallet.store();
+            if (activityCallback != null) {
+                activityCallback.saveWallet();
+            }
             return true;
         }
 

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

@@ -29,15 +29,15 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.transition.Transition;
+import androidx.transition.TransitionInflater;
 
 import com.google.android.material.textfield.TextInputLayout;
-import com.google.android.material.transition.MaterialContainerTransform;
 import com.m2049r.xmrwallet.data.Subaddress;
 import com.m2049r.xmrwallet.layout.TransactionInfoAdapter;
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.util.ThemeHelper;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.util.ArrayList;
@@ -102,10 +102,8 @@ public class SubaddressInfoFragment extends Fragment
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        final MaterialContainerTransform transform = new MaterialContainerTransform();
+        Transition transform = TransitionInflater.from(requireContext())
-        transform.setDrawingViewId(R.id.fragment_container);
+                .inflateTransition(R.transition.details);
-        transform.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        transform.setAllContainerColors(ThemeHelper.getThemedColor(getContext(), android.R.attr.colorBackground));
         setSharedElementEnterTransition(transform);
     }
 

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

@@ -35,11 +35,10 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.Nullable;
-import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
+import androidx.transition.Transition;
+import androidx.transition.TransitionInflater;
 
-import com.google.android.material.transition.MaterialContainerTransform;
-import com.google.android.material.transition.MaterialElevationScale;
 import com.m2049r.xmrwallet.data.Subaddress;
 import com.m2049r.xmrwallet.data.UserNotes;
 import com.m2049r.xmrwallet.model.TransactionInfo;
@@ -97,13 +96,6 @@ public class TxFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_tx_info, container, false);
 
-        final MaterialElevationScale exitTransition = new MaterialElevationScale(false);
-        exitTransition.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        setExitTransition(exitTransition);
-        final MaterialElevationScale reenterTransition = new MaterialElevationScale(true);
-        reenterTransition.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        setReenterTransition(reenterTransition);
-
         cvXmrTo = view.findViewById(R.id.cvXmrTo);
         tvTxXmrToKey = view.findViewById(R.id.tvTxXmrToKey);
         tvDestinationBtc = view.findViewById(R.id.tvDestinationBtc);
@@ -220,8 +212,8 @@ public class TxFragment extends Fragment {
         final Context ctx = getContext();
         Spanned label = Html.fromHtml(ctx.getString(R.string.tx_account_formatted,
                 info.accountIndex, info.addressIndex,
-                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoGreen) & 0xFFFFFF),
+                Integer.toHexString(ThemeHelper.getThemedColor(ctx, R.attr.positiveColor) & 0xFFFFFF),
-                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoBackground) & 0xFFFFFF),
+                Integer.toHexString(ThemeHelper.getThemedColor(ctx, android.R.attr.colorBackground) & 0xFFFFFF),
                 subaddress.getDisplayLabel()));
         tvAccount.setText(label);
         tvAccount.setOnClickListener(v -> activityCallback.showSubaddress(v, info.addressIndex));
@@ -266,13 +258,13 @@ public class TxFragment extends Fragment {
         if (info.isFailed) {
             tvTxAmount.setText(getString(R.string.tx_list_amount_failed, Wallet.getDisplayAmount(info.amount)));
             tvTxFee.setText(getString(R.string.tx_list_failed_text));
-            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_failed));
+            setTxColour(ThemeHelper.getThemedColor(getContext(), R.attr.neutralColor));
         } else if (info.isPending) {
-            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_pending));
+            setTxColour(ThemeHelper.getThemedColor(getContext(), R.attr.neutralColor));
         } else if (info.direction == TransactionInfo.Direction.Direction_In) {
-            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_plus));
+            setTxColour(ThemeHelper.getThemedColor(getContext(), R.attr.positiveColor));
         } else {
-            setTxColour(ContextCompat.getColor(getContext(), R.color.tx_minus));
+            setTxColour(ThemeHelper.getThemedColor(getContext(), R.attr.negativeColor));
         }
         Set<String> destinations = new HashSet<>();
         StringBuilder sb = new StringBuilder();
@@ -348,10 +340,8 @@ public class TxFragment extends Fragment {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
-        final MaterialContainerTransform transform = new MaterialContainerTransform();
+        Transition transform = TransitionInflater.from(requireContext())
-        transform.setDrawingViewId(R.id.fragment_container);
+                .inflateTransition(R.transition.details);
-        transform.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        transform.setAllContainerColors(ThemeHelper.getThemedColor(getContext(), android.R.attr.colorBackground));
         setSharedElementEnterTransition(transform);
     }
 

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

@@ -356,6 +356,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         Timber.d("onCreate()");
+        ThemeHelper.setPreferred(this);
         super.onCreate(savedInstanceState);
         if (savedInstanceState != null) {
             // activity restarted
@@ -385,7 +386,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                     case Toolbar.BUTTON_CLOSE:
                         finish();
                         break;
-                    case Toolbar.BUTTON_CREDITS:
+                    case Toolbar.BUTTON_SETTINGS:
                         Toast.makeText(WalletActivity.this, getString(R.string.label_credits), Toast.LENGTH_SHORT).show();
                     case Toolbar.BUTTON_NONE:
                     default:
@@ -505,6 +506,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         Timber.d("onResume()");
     }
 
+    @Override
     public void saveWallet() {
         if (mIsBound) { // no point in talking to unbound service
             Intent intent = new Intent(getApplicationContext(), WalletService.class);
@@ -537,7 +539,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
 
     @Override
     public void onSendRequest(View view) {
-        replaceFragmentWithTransition(view, SendFragment.newInstance(uri), null, null);
+        replaceFragment(SendFragment.newInstance(uri), null, null);
         uri = null; // only use uri once
     }
 
@@ -578,7 +580,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         try {
             final WalletFragment walletFragment = getWalletFragment();
             if (wallet.isSynchronized()) {
-                Timber.d("onRefreshed() synced");
                 releaseWakeLock(RELEASE_WAKE_LOCK_DELAY); // the idea is to stay awake until synced
                 if (!synced) { // first sync
                     onProgress(-1);
@@ -610,9 +611,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     @Override
     public void onWalletStored(final boolean success) {
         runOnUiThread(() -> {
-            if (success) {
+            if (!success) {
-                Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_unloaded), Toast.LENGTH_SHORT).show();
-            } else {
                 Toast.makeText(WalletActivity.this, getString(R.string.status_wallet_unload_failed), Toast.LENGTH_LONG).show();
             }
         });
@@ -801,10 +800,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         int transition;
         if (newFragment instanceof TxFragment)
             transition = R.string.tx_details_transition_name;
-        else if (newFragment instanceof ReceiveFragment)
-            transition = R.string.receive_transition_name;
-        else if (newFragment instanceof SendFragment)
-            transition = R.string.send_transition_name;
         else if (newFragment instanceof SubaddressInfoFragment)
             transition = R.string.subaddress_info_transition_name;
         else
@@ -942,6 +937,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         Timber.d("onRequestPermissionsResult()");
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
         if (requestCode == Helper.PERMISSIONS_REQUEST_CAMERA) { // If request is cancelled, the result arrays are empty.
             if (grantResults.length > 0
                     && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
@@ -960,7 +956,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         Bundle b = new Bundle();
         b.putString("address", address);
         b.putString("name", getWalletName());
-        replaceFragmentWithTransition(view, new ReceiveFragment(), null, b);
+        replaceFragment(new ReceiveFragment(), null, b);
         Timber.d("ReceiveFragment placed");
     }
 

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

@@ -43,7 +43,6 @@ import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.github.brnunes.swipeablerecyclerview.SwipeableRecyclerViewTouchListener;
-import com.google.android.material.transition.MaterialElevationScale;
 import com.m2049r.xmrwallet.layout.TransactionInfoAdapter;
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Wallet;
@@ -52,13 +51,13 @@ import com.m2049r.xmrwallet.service.exchange.api.ExchangeCallback;
 import com.m2049r.xmrwallet.service.exchange.api.ExchangeRate;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
+import com.m2049r.xmrwallet.util.ThemeHelper;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Objects;
 
 import timber.log.Timber;
 
@@ -112,7 +111,8 @@ public class WalletFragment extends Fragment
         llBalance = view.findViewById(R.id.llBalance);
         flExchange = view.findViewById(R.id.flExchange);
         ((ProgressBar) view.findViewById(R.id.pbExchange)).getIndeterminateDrawable().
-                setColorFilter(getResources().getColor(R.color.progress_circle),
+                setColorFilter(
+                        ThemeHelper.getThemedColor(getContext(), R.attr.colorPrimaryVariant),
                         android.graphics.PorterDuff.Mode.MULTIPLY);
 
         tvProgress = view.findViewById(R.id.tvProgress);
@@ -128,7 +128,7 @@ public class WalletFragment extends Fragment
         currencies.add(Helper.BASE_CRYPTO);
         if (Helper.SHOW_EXCHANGERATES)
             currencies.addAll(Arrays.asList(getResources().getStringArray(R.array.currency)));
-        ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<>(Objects.requireNonNull(getContext()), R.layout.item_spinner_balance, currencies);
+        ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<>(requireContext(), R.layout.item_spinner_balance, currencies);
         spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         sCurrency.setAdapter(spinnerAdapter);
 
@@ -203,11 +203,6 @@ public class WalletFragment extends Fragment
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
-        postponeEnterTransition();
-        view.getViewTreeObserver().addOnPreDrawListener(() -> {
-            startPostponedEnterTransition();
-            return true;
-        });
     }
 
     void showBalance(String balance) {
@@ -224,11 +219,13 @@ public class WalletFragment extends Fragment
     }
 
     void showUnconfirmed(double unconfirmedAmount) {
-        if (!activityCallback.isStreetMode()) {
+        if (activityCallback.isStreetMode() || unconfirmedAmount == 0) {
+            tvUnconfirmedAmount.setText(null);
+            tvUnconfirmedAmount.setVisibility(View.GONE);
+        } else {
             String unconfirmed = Helper.getFormattedAmount(unconfirmedAmount, true);
             tvUnconfirmedAmount.setText(getResources().getString(R.string.xmr_unconfirmed_amount, unconfirmed));
-        } else {
+            tvUnconfirmedAmount.setVisibility(View.VISIBLE);
-            tvUnconfirmedAmount.setText(null);
         }
     }
 
@@ -330,29 +327,24 @@ public class WalletFragment extends Fragment
     // Callbacks from TransactionInfoAdapter
     @Override
     public void onInteraction(final View view, final TransactionInfo infoItem) {
-        final MaterialElevationScale exitTransition = new MaterialElevationScale(false);
-        exitTransition.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        setExitTransition(exitTransition);
-        final MaterialElevationScale reenterTransition = new MaterialElevationScale(true);
-        reenterTransition.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
-        setReenterTransition(reenterTransition);
-
         activityCallback.onTxDetailsRequest(view, infoItem);
     }
 
-    // called from activity
-
-
     // if account index has changed scroll to top?
     private int accountIndex = 0;
 
-    public void onRefreshed(final Wallet wallet, final boolean full) {
+    public void onRefreshed(final Wallet wallet, boolean full) {
         Timber.d("onRefreshed(%b)", full);
 
+        if (adapter.needsTransactionUpdateOnNewBlock()) {
+            wallet.refreshHistory();
+            full = true;
+        }
         if (full) {
             List<TransactionInfo> list = new ArrayList<>();
             final long streetHeight = activityCallback.getStreetModeHeight();
             Timber.d("StreetHeight=%d", streetHeight);
+            wallet.refreshHistory();
             for (TransactionInfo info : wallet.getHistory().getAll()) {
                 Timber.d("TxHeight=%d, Label=%s", info.blockheight, info.subaddressLabel);
                 if ((info.isPending || (info.blockheight >= streetHeight))
@@ -530,8 +522,6 @@ public class WalletFragment extends Fragment
     @Override
     public void onResume() {
         super.onResume();
-        setExitTransition(null);
-        setReenterTransition(null);
         Timber.d("onResume()");
         activityCallback.setTitle(walletTitle, walletSubtitle);
         activityCallback.setToolbarButton(Toolbar.BUTTON_NONE);
@@ -561,7 +551,7 @@ public class WalletFragment extends Fragment
         //TODO figure out why gunther disappears on return from send although he is still set
         if (enable) {
             if (streetGunther == null)
-                streetGunther = ContextCompat.getDrawable(Objects.requireNonNull(getContext()), R.drawable.ic_gunther_streetmode);
+                streetGunther = ContextCompat.getDrawable(requireContext(), R.drawable.ic_gunther_streetmode);
             ivStreetGunther.setImageDrawable(streetGunther);
         } else
             ivStreetGunther.setImageDrawable(null);

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

@@ -21,22 +21,29 @@ import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Build;
 
-import com.m2049r.xmrwallet.BuildConfig;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.FragmentManager;
+
 import com.m2049r.xmrwallet.model.NetworkType;
 import com.m2049r.xmrwallet.util.LocaleHelper;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 import com.m2049r.xmrwallet.util.NightmodeHelper;
 
 import timber.log.Timber;
 
 public class XmrWalletApplication extends Application {
+
     @Override
     public void onCreate() {
         super.onCreate();
-
+        FragmentManager.enableNewStateManager(false);
         if (BuildConfig.DEBUG) {
             Timber.plant(new Timber.DebugTree());
         }
+
         NightmodeHelper.setPreferredNightmode(this);
+
+        NetCipherHelper.createInstance(this);
     }
 
     @Override
@@ -45,7 +52,7 @@ public class XmrWalletApplication extends Application {
     }
 
     @Override
-    public void onConfigurationChanged(Configuration configuration) {
+    public void onConfigurationChanged(@NonNull Configuration configuration) {
         super.onConfigurationChanged(configuration);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             LocaleHelper.updateSystemDefaultLocale(configuration.getLocales().get(0));

app/src/main/java/com/m2049r/xmrwallet/data/DefaultNodes.java

@@ -28,7 +28,11 @@ public enum DefaultNodes {
     SUPPORTXMR("node.supportxmr.com:18081"),
     HASHVAULT("nodes.hashvault.pro:18081"),
     MONEROWORLD("node.moneroworld.com:18089"),
-    XMRTW("opennode.xmr-tw.org:18089");
+    XMRTW("opennode.xmr-tw.org:18089"),
+    MONERUJO_ONION("monerujods7mbghwe6cobdr6ujih6c22zu5rl7zshmizz2udf7v7fsad.onion:18081/mainnet/monerujo.onion"),
+    Criminales78("56wl7y2ebhamkkiza4b7il4mrzwtyvpdym7bm2bkg3jrei2je646k3qd.onion:18089/mainnet/Criminales78.onion"),
+    xmrfail("mxcd4577fldb3ppzy7obmmhnu3tf57gbcbd4qhwr2kxyjj2qi3dnbfqd.onion:18081/mainnet/xmrfail.onion"),
+    boldsuck("6dsdenp6vjkvqzy4wzsnzn6wixkdzihx3khiumyzieauxuxslmcaeiad.onion:18081/mainnet/boldsuck.onion");
 
     @Getter
     private final String uri;

app/src/main/java/com/m2049r/xmrwallet/data/Node.java

@@ -18,6 +18,7 @@ package com.m2049r.xmrwallet.data;
 
 import com.m2049r.xmrwallet.model.NetworkType;
 import com.m2049r.xmrwallet.model.WalletManager;
+import com.m2049r.xmrwallet.util.OnionHelper;
 
 import java.io.UnsupportedEncodingException;
 import java.net.InetAddress;
@@ -35,11 +36,63 @@ public class Node {
     static public final String STAGENET = "stagenet";
     static public final String TESTNET = "testnet";
 
+    static class Address {
+        final private InetAddress inet;
+        final private String onion;
+
+        public boolean isOnion() {
+            return onion != null;
+        }
+
+        public String getHostName() {
+            if (inet != null) {
+                return inet.getHostName();
+            } else {
+                return onion;
+            }
+        }
+
+        public String getHostAddress() {
+            if (inet != null) {
+                return inet.getHostAddress();
+            } else {
+                return onion;
+            }
+        }
+
+        private Address(InetAddress address, String onion) {
+            this.inet = address;
+            this.onion = onion;
+        }
+
+        static Address of(InetAddress address) {
+            return new Address(address, null);
+        }
+
+        static Address of(String host) throws UnknownHostException {
+            if (OnionHelper.isOnionHost(host)) {
+                return new Address(null, host);
+            } else {
+                return new Address(InetAddress.getByName(host), null);
+            }
+        }
+
+        @Override
+        public int hashCode() {
+            return getHostAddress().hashCode();
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return (other instanceof Address) && (getHostAddress().equals(((Address) other).getHostAddress()));
+        }
+    }
+
     @Getter
     private String name = null;
     @Getter
     final private NetworkType networkType;
-    InetAddress hostAddress;
+    Address hostAddress;
     @Getter
     private String host;
     @Getter
@@ -74,6 +127,10 @@ public class Node {
                 && (networkType == anotherNode.networkType));
     }
 
+    public boolean isOnion() {
+        return hostAddress.isOnion();
+    }
+
     static public Node fromString(String nodeString) {
         try {
             return new Node(nodeString);
@@ -205,7 +262,7 @@ public class Node {
     // constructor used for created nodes from retrieved peer lists
     public Node(InetSocketAddress socketAddress) {
         this();
-        this.hostAddress = socketAddress.getAddress();
+        this.hostAddress = Address.of(socketAddress.getAddress());
         this.host = socketAddress.getHostString();
         this.rpcPort = 0; // unknown
         this.levinPort = socketAddress.getPort();
@@ -225,17 +282,25 @@ public class Node {
         if ((host == null) || (host.isEmpty()))
             throw new UnknownHostException("loopback not supported (yet?)");
         this.host = host;
-        this.hostAddress = InetAddress.getByName(host);
+        this.hostAddress = Address.of(host);
     }
 
-    public void setName() {
+    public void setDefaultName() {
-        if (name == null)
+        if (name != null) return;
-            this.name = hostAddress.getHostName();
+        String nodeName = hostAddress.getHostName();
+        if (hostAddress.isOnion()) {
+            nodeName = nodeName.substring(0, nodeName.length() - ".onion".length());
+            if (nodeName.length() > 16) {
+                nodeName = nodeName.substring(0, 8) + "…" + nodeName.substring(nodeName.length() - 6);
+            }
+            nodeName = nodeName + ".onion";
+        }
+        this.name = nodeName;
     }
 
     public void setName(String name) {
         if ((name == null) || (name.isEmpty()))
-            this.name = hostAddress.getHostName();
+            setDefaultName();
         else
             this.name = name;
     }

app/src/main/java/com/m2049r/xmrwallet/data/NodeInfo.java

@@ -16,14 +16,19 @@
 
 package com.m2049r.xmrwallet.data;
 
-import com.burgstaller.okhttp.AuthenticationCacheInterceptor;
+import android.content.Context;
-import com.burgstaller.okhttp.CachingAuthenticatorDecorator;
+import android.text.Html;
-import com.burgstaller.okhttp.digest.CachingAuthenticator;
+import android.text.Spanned;
-import com.burgstaller.okhttp.digest.Credentials;
+import android.widget.TextView;
-import com.burgstaller.okhttp.digest.DigestAuthenticator;
+
+import androidx.core.content.ContextCompat;
+
 import com.m2049r.levin.scanner.LevinPeer;
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
+import com.m2049r.xmrwallet.util.NetCipherHelper.Request;
 import com.m2049r.xmrwallet.util.NodePinger;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
+import com.m2049r.xmrwallet.util.ThemeHelper;
 
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -32,17 +37,12 @@ import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
+import java.util.Calendar;
 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;
-import okhttp3.Request;
-import okhttp3.RequestBody;
 import okhttp3.Response;
 import okhttp3.ResponseBody;
 import timber.log.Timber;
@@ -94,7 +94,7 @@ public class NodeInfo extends Node {
     synchronized public SocketAddress getLevinSocketAddress() {
         if (levinSocketAddress == null) {
             // use default peer port if not set - very few peers use nonstandard port
-            levinSocketAddress = new InetSocketAddress(hostAddress, getDefaultLevinPort());
+            levinSocketAddress = new InetSocketAddress(hostAddress.getHostAddress(), getDefaultLevinPort());
         }
         return levinSocketAddress;
     }
@@ -180,7 +180,7 @@ public class NodeInfo extends Node {
         return sb.toString();
     }
 
-    private static final int HTTP_TIMEOUT = OkHttpHelper.HTTP_TIMEOUT;
+    private static final int HTTP_TIMEOUT = 1000; //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;
@@ -196,32 +196,29 @@ public class NodeInfo extends Node {
         return result;
     }
 
+    private Request rpcServiceRequest(int port) {
+        final HttpUrl url = new HttpUrl.Builder()
+                .scheme("http")
+                .host(getHost())
+                .port(port)
+                .addPathSegment("json_rpc")
+                .build();
+        final String json = "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"getlastblockheader\"}";
+        return new Request(url, json, getUsername(), getPassword());
+    }
+
     private boolean testRpcService(int port) {
         Timber.d("Testing %s", toNodeString());
         clear();
+        if (hostAddress.isOnion() && !NetCipherHelper.isTor()) {
+            tested = true; // sortof
+            responseCode = 418; // I'm a teapot - or I need an Onion - who knows
+            return false; // autofail
+        }
         try {
-            OkHttpClient client = OkHttpHelper.getEagerClient();
-            if (!getUsername().isEmpty()) {
-                final DigestAuthenticator authenticator =
-                        new DigestAuthenticator(new Credentials(getUsername(), getPassword()));
-                final Map<String, CachingAuthenticator> authCache = new ConcurrentHashMap<>();
-                client = client.newBuilder()
-                        .authenticator(new CachingAuthenticatorDecorator(authenticator, authCache))
-                        .addInterceptor(new AuthenticationCacheInterceptor(authCache))
-                        .build();
-            }
-            HttpUrl url = new HttpUrl.Builder()
-                    .scheme("http")
-                    .host(getHostAddress())
-                    .port(port)
-                    .addPathSegment("json_rpc")
-                    .build();
-            final RequestBody reqBody = RequestBody
-                    .create(MediaType.parse("application/json"),
-                            "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"getlastblockheader\"}");
-            Request request = OkHttpHelper.getPostRequest(url, reqBody);
             long ta = System.nanoTime();
-            try (Response response = client.newCall(request).execute()) {
+            try (Response response = rpcServiceRequest(port).execute()) {
+                Timber.d("%s: %s", response.code(), response.request().url());
                 responseTime = (System.nanoTime() - ta) / 1000000.0;
                 responseCode = response.code();
                 if (response.isSuccessful()) {
@@ -243,7 +240,7 @@ public class NodeInfo extends Node {
                 }
             }
         } catch (IOException | JSONException ex) {
-            Timber.d(ex);
+            Timber.d("EX: %s", ex.getMessage()); //TODO: do something here (show error?)
         } finally {
             tested = true;
         }
@@ -264,4 +261,43 @@ public class NodeInfo extends Node {
         }
         return false;
     }
+
+    static public final int STALE_NODE_HOURS = 2;
+
+    public void showInfo(TextView view, String info, boolean isError) {
+        final Context ctx = view.getContext();
+        final Spanned text = Html.fromHtml(ctx.getString(R.string.status,
+                Integer.toHexString(ThemeHelper.getThemedColor(ctx, R.attr.positiveColor) & 0xFFFFFF),
+                Integer.toHexString(ThemeHelper.getThemedColor(ctx, android.R.attr.colorBackground) & 0xFFFFFF),
+                (hostAddress.isOnion() ? "&nbsp;.onion&nbsp;&nbsp;" : ""), " " + info));
+        view.setText(text);
+        if (isError)
+            view.setTextColor(ThemeHelper.getThemedColor(ctx, R.attr.colorError));
+        else
+            view.setTextColor(ThemeHelper.getThemedColor(ctx, android.R.attr.textColorSecondary));
+    }
+
+    public void showInfo(TextView view) {
+        if (!isTested()) {
+            showInfo(view, "", false);
+            return;
+        }
+        final Context ctx = view.getContext();
+        final long now = Calendar.getInstance().getTimeInMillis() / 1000;
+        final long secs = (now - timestamp);
+        final long mins = secs / 60;
+        final long hours = mins / 60;
+        final long days = hours / 24;
+        String info;
+        if (mins < 2) {
+            info = ctx.getString(R.string.node_updated_now, secs);
+        } else if (hours < 2) {
+            info = ctx.getString(R.string.node_updated_mins, mins);
+        } else if (days < 2) {
+            info = ctx.getString(R.string.node_updated_hours, hours);
+        } else {
+            info = ctx.getString(R.string.node_updated_days, days);
+        }
+        showInfo(view, info, hours >= STALE_NODE_HOURS);
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/data/TxData.java

@@ -21,6 +21,7 @@ import android.os.Parcelable;
 
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.util.Helper;
 
 // https://stackoverflow.com/questions/2139134/how-to-send-an-object-from-one-android-activity-to-another-using-intents
 public class TxData implements Parcelable {
@@ -54,7 +55,7 @@ public class TxData implements Parcelable {
     }
 
     public double getAmountAsDouble() {
-        return 1.0 * amount / 1000000000000L;
+        return 1.0 * amount / Helper.ONE_XMR;
     }
 
     public int getMixin() {

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

@@ -17,13 +17,17 @@
 package com.m2049r.xmrwallet.dialog;
 
 import android.app.Dialog;
-import android.content.DialogInterface;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.os.Bundle;
 import android.text.Html;
+import android.text.Spanned;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
@@ -31,15 +35,20 @@ import androidx.fragment.app.FragmentTransaction;
 
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.NetCipherHelper;
 
 public class HelpFragment extends DialogFragment {
     static final String TAG = "HelpFragment";
     private static final String HELP_ID = "HELP_ID";
+    private static final String TOR_BUTTON = "TOR";
 
     public static HelpFragment newInstance(int helpResourceId) {
         HelpFragment fragment = new HelpFragment();
         Bundle bundle = new Bundle();
         bundle.putInt(HELP_ID, helpResourceId);
+        // a hack for the tor button
+        if (helpResourceId == R.string.help_tor)
+            bundle.putInt(TOR_BUTTON, 7);
         fragment.setArguments(bundle);
         return fragment;
     }
@@ -54,27 +63,53 @@ public class HelpFragment extends DialogFragment {
         HelpFragment.newInstance(helpResourceId).show(ft, TAG);
     }
 
+    private Spanned getHtml(String html, double textSize) {
+        final Html.ImageGetter imageGetter = source -> {
+            final int imageId = getResources().getIdentifier(source.replace("/", ""), "drawable", requireActivity().getPackageName());
+            // Don't die if we don't find the image - use a heart instead
+            final Drawable drawable = ContextCompat.getDrawable(requireActivity(), imageId > 0 ? imageId : R.drawable.ic_favorite_24dp);
+            final double f = textSize / drawable.getIntrinsicHeight();
+            drawable.setBounds(0, 0, (int) (f * drawable.getIntrinsicWidth()), (int) textSize);
+            return drawable;
+        };
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY, imageGetter, null);
+        } else {
+            return Html.fromHtml(html, imageGetter, null);
+        }
+    }
+
+    @NonNull
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         final View view = LayoutInflater.from(getActivity()).inflate(R.layout.fragment_help, null);
 
         int helpId = 0;
+        boolean torButton = false;
         Bundle arguments = getArguments();
         if (arguments != null) {
             helpId = arguments.getInt(HELP_ID);
+            torButton = arguments.getInt(TOR_BUTTON) > 0;
         }
+        final TextView helpTv = view.findViewById(R.id.tvHelp);
         if (helpId > 0)
-            ((TextView) view.findViewById(R.id.tvHelp)).setText(Html.fromHtml(getString(helpId)));
+            helpTv.setText(getHtml(getString(helpId), helpTv.getTextSize()));
 
-        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity())
+        MaterialAlertDialogBuilder builder =
-                .setView(view)
+                new MaterialAlertDialogBuilder(requireActivity())
-                .setNegativeButton(R.string.help_ok,
+                        .setView(view);
-                        new DialogInterface.OnClickListener() {
+        if (torButton) {
-                            @Override
+            builder.setNegativeButton(R.string.help_nok,
-                            public void onClick(DialogInterface dialog, int id) {
+                    (dialog, id) -> dialog.dismiss())
+                    .setPositiveButton(R.string.help_getorbot,
+                            (dialog, id) -> {
                                 dialog.dismiss();
-                            }
+                                NetCipherHelper.getInstance().installOrbot(requireActivity());
-                        });
+                            });
+        } else {
+            builder.setNegativeButton(R.string.help_ok,
+                    (dialog, id) -> dialog.dismiss());
+        }
         return builder.create();
     }
 }

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

@@ -22,6 +22,7 @@ import android.os.Bundle;
 import android.text.Editable;
 import android.text.Html;
 import android.text.InputType;
+import android.text.Spanned;
 import android.text.TextWatcher;
 import android.util.Patterns;
 import android.view.KeyEvent;
@@ -91,6 +92,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
     private TextInputLayout etAddress;
     private TextInputLayout etNotes;
     private TextView tvXmrTo;
+    private TextView tvTor;
     private Map<Crypto, ImageButton> ibCrypto;
     final private Set<Crypto> possibleCryptos = new HashSet<>();
     private Crypto selectedCrypto = null;
@@ -117,11 +119,12 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
         View view = inflater.inflate(R.layout.fragment_send_address, container, false);
 
-        if (Helper.ALLOW_SHIFT) {
+        tvTor = view.findViewById(R.id.tvTor);
-            tvXmrTo = view.findViewById(R.id.tvXmrTo);
+        tvXmrTo = view.findViewById(R.id.tvXmrTo);
-            ibCrypto = new HashMap<>();
+        ibCrypto = new HashMap<>();
-            for (Crypto crypto : Crypto.values()) {
+        for (Crypto crypto : Crypto.values()) {
-                final ImageButton button = view.findViewById(crypto.getButtonId());
+            final ImageButton button = view.findViewById(crypto.getButtonId());
+            if (Helper.ALLOW_SHIFT || (crypto == Crypto.XMR)) {
                 ibCrypto.put(crypto, button);
                 button.setOnClickListener(v -> {
                     if (possibleCryptos.contains(crypto)) {
@@ -137,14 +140,21 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                         } else {
                             tvXmrTo.setText(Html.fromHtml(getString(R.string.info_xmrto_help_xmr)));
                             tvXmrTo.setVisibility(View.VISIBLE);
+                            tvTor.setVisibility(View.INVISIBLE);
                         }
                     }
                 });
+            } else {
+                button.setImageResource(crypto.getIconDisabledId());
+                button.setImageAlpha(128);
+                button.setEnabled(false);
             }
-            updateCryptoButtons(true);
-        } else {
-            view.findViewById(R.id.llExchange).setVisibility(View.GONE);
         }
+        if (!Helper.ALLOW_SHIFT) {
+            tvTor.setVisibility(View.VISIBLE);
+        }
+        updateCryptoButtons(true);
+
         etAddress = view.findViewById(R.id.etAddress);
         etAddress.getEditText().setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
         etAddress.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
@@ -349,7 +359,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
     private boolean checkAddress() {
         boolean ok = checkAddressNoError();
-        if (!ok) {
+        if (possibleCryptos.isEmpty()) {
             etAddress.setError(getString(R.string.send_address_invalid));
         } else {
             etAddress.setError(null);
@@ -455,6 +465,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                 Timber.d("BUT ONLY XMR SUPPORTED");
                 barcodeData = null;
                 sendListener.setBarcodeData(barcodeData);
+                return;
             }
             if (barcodeData.address != null) {
                 etAddress.getEditText().setText(barcodeData.address);

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

@@ -139,7 +139,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
         Timber.d("onResumeFragment()");
         Helper.showKeyboard(getActivity());
         final long funds = getTotalFunds();
-        maxFunds = 1.0 * funds / 1000000000000L;
+        maxFunds = 1.0 * funds / Helper.ONE_XMR;
         if (!sendListener.getActivityCallback().isStreetMode()) {
             tvFunds.setText(getString(R.string.send_available,
                     Wallet.getDisplayAmount(funds)));

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

@@ -34,7 +34,7 @@ import com.m2049r.xmrwallet.service.shift.ShiftException;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.QueryOrderParameters;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.SideShiftApi;
 import com.m2049r.xmrwallet.service.shift.sideshift.network.SideShiftApiImpl;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
+import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
 import com.m2049r.xmrwallet.widget.ExchangeOtherEditText;
 import com.m2049r.xmrwallet.widget.SendProgressView;
@@ -89,7 +89,6 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
         return view;
     }
 
-
     @Override
     public boolean onValidateFields() {
         Timber.i(maxBtc + "/" + minBtc);
@@ -179,7 +178,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
             tvXmrToParms.setText(xmrParmText);
 
             final long funds = getTotalFunds();
-            double availableXmr = 1.0 * funds / 1000000000000L;
+            double availableXmr = 1.0 * funds / Helper.ONE_XMR;
 
             String availBtcString;
             String availXmrString;
@@ -255,8 +254,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
         if (xmrToApi == null) {
             synchronized (this) {
                 if (xmrToApi == null) {
-                    xmrToApi = new SideShiftApiImpl(OkHttpHelper.getOkHttpClient(),
+                    xmrToApi = new SideShiftApiImpl(ServiceHelper.getXmrToBaseUrl());
-                            ServiceHelper.getXmrToBaseUrl());
                 }
             }
         }

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

@@ -37,7 +37,6 @@ import com.m2049r.xmrwallet.service.shift.sideshift.api.RequestQuote;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.SideShiftApi;
 import com.m2049r.xmrwallet.service.shift.sideshift.network.SideShiftApiImpl;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
 import com.m2049r.xmrwallet.widget.SendProgressView;
 
@@ -359,40 +358,22 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     private RequestQuote xmrtoQuote = null;
-    private int stageARetries = 0;
-    private final int RETRIES = 3;
-    private double stageAPrice = 0;
 
     private void processStageA(final RequestQuote requestQuote) {
         Timber.d("processCreateOrder %s", requestQuote.getId());
         TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-        // verify the BTC amount is correct (price can change and we can only specify XMR amount)
+        // verify the BTC amount is correct
         if (requestQuote.getBtcAmount() != txDataBtc.getBtcAmount()) {
-            if (--stageARetries <= 0) {
+            Timber.d("Failed to get quote");
-                Timber.d("Failed to get quote");
+            getView().post(() -> showStageError(ShiftError.Error.SERVICE.toString(),
-                getView().post(() ->
+                    getString(R.string.shift_noquote),
-                        showStageError(ShiftError.Error.SERVICE.toString(),
+                    getString(R.string.shift_checkamount)));
-                                getString(R.string.shift_noquote),
+            return; // just stop for now
-                                getString(R.string.shift_checkamount)));
-                return; // just stop for now
-            }
-            if (stageAPrice == requestQuote.getPrice()) {
-                // same price but different BTC amount - something else is wrong (e.g. too many decimals)
-                Timber.d("Price unchanged");
-                getView().post(() ->
-                        showStageError(ShiftError.Error.SERVICE.toString(),
-                                getString(R.string.shift_noquote),
-                                getString(R.string.shift_checkamount)));
-                return; // just stop for now
-            }
-            stageAPrice = requestQuote.getPrice();
-            // recalc XMR and try again
-            txDataBtc.setAmount(txDataBtc.getBtcAmount() / requestQuote.getPrice());
-            getView().post(this::stageAOneShot);
-            return; // stageA will run in the main thread
         }
         xmrtoQuote = requestQuote;
+        txDataBtc.setAmount(xmrtoQuote.getXmrAmount());
         getView().post(() -> {
+            // show data from the actual quote as that is what is used to
             NumberFormat df = NumberFormat.getInstance(Locale.US);
             df.setMaximumFractionDigits(12);
             final String btcAmount = df.format(xmrtoQuote.getBtcAmount());
@@ -438,18 +419,12 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     private void stageA() {
-        stageARetries = RETRIES;
-        stageAOneShot();
-    }
-
-    private void stageAOneShot() {
         if (!isResumed) return;
         Timber.d("Request Quote");
         xmrtoQuote = null;
         xmrtoOrder = null;
         showProgress(1, getString(R.string.label_send_progress_xmrto_create));
         TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-        stageAPrice = 0;
 
         ShiftCallback<RequestQuote> callback = new ShiftCallback<RequestQuote>() {
             @Override
@@ -473,7 +448,7 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
             }
         };
 
-        getXmrToApi().requestQuote(txDataBtc.getAmountAsDouble(), callback);
+        getXmrToApi().requestQuote(txDataBtc.getBtcAmount(), callback);
     }
 
     private CreateOrder xmrtoOrder = null;
@@ -567,8 +542,7 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
         if (xmrToApi == null) {
             synchronized (this) {
                 if (xmrToApi == null) {
-                    xmrToApi = new SideShiftApiImpl(OkHttpHelper.getOkHttpClient(),
+                    xmrToApi = new SideShiftApiImpl(ServiceHelper.getXmrToBaseUrl());
-                            ServiceHelper.getXmrToBaseUrl());
                 }
             }
         }

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

@@ -39,8 +39,8 @@ import com.m2049r.xmrwallet.service.shift.sideshift.api.QueryOrderStatus;
 import com.m2049r.xmrwallet.service.shift.sideshift.api.SideShiftApi;
 import com.m2049r.xmrwallet.service.shift.sideshift.network.SideShiftApiImpl;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.util.OkHttpHelper;
 import com.m2049r.xmrwallet.util.ServiceHelper;
+import com.m2049r.xmrwallet.util.ThemeHelper;
 
 import java.text.NumberFormat;
 import java.util.Locale;
@@ -213,19 +213,27 @@ public class SendBtcSuccessWizardFragment extends SendWizardFragment {
         if (status.isError()) {
             tvXmrToStatus.setText(getString(R.string.info_send_xmrto_error, status.toString()));
             statusResource = R.drawable.ic_error_red_24dp;
-            pbXmrto.getIndeterminateDrawable().setColorFilter(0xff8b0000, android.graphics.PorterDuff.Mode.MULTIPLY);
+            pbXmrto.getIndeterminateDrawable().setColorFilter(
+                    ThemeHelper.getThemedColor(getContext(), android.R.attr.colorError),
+                    android.graphics.PorterDuff.Mode.MULTIPLY);
         } else if (status.isSent() || status.isPaid()) {
             tvXmrToStatus.setText(getString(R.string.info_send_xmrto_sent, btcData.getBtcSymbol()));
-            statusResource = R.drawable.ic_success_green_24dp;
+            statusResource = R.drawable.ic_success;
-            pbXmrto.getIndeterminateDrawable().setColorFilter(0xFF417505, android.graphics.PorterDuff.Mode.MULTIPLY);
+            pbXmrto.getIndeterminateDrawable().setColorFilter(
+                    ThemeHelper.getThemedColor(getContext(), R.attr.positiveColor),
+                    android.graphics.PorterDuff.Mode.MULTIPLY);
         } else if (status.isWaiting()) {
             tvXmrToStatus.setText(getString(R.string.info_send_xmrto_unpaid));
-            statusResource = R.drawable.ic_pending_orange_24dp;
+            statusResource = R.drawable.ic_pending;
-            pbXmrto.getIndeterminateDrawable().setColorFilter(0xFFFF6105, android.graphics.PorterDuff.Mode.MULTIPLY);
+            pbXmrto.getIndeterminateDrawable().setColorFilter(
+                    ThemeHelper.getThemedColor(getContext(), R.attr.neutralColor),
+                    android.graphics.PorterDuff.Mode.MULTIPLY);
         } else if (status.isPending()) {
             tvXmrToStatus.setText(getString(R.string.info_send_xmrto_paid));
-            statusResource = R.drawable.ic_pending_orange_24dp;
+            statusResource = R.drawable.ic_pending;
-            pbXmrto.getIndeterminateDrawable().setColorFilter(0xFFFF6105, android.graphics.PorterDuff.Mode.MULTIPLY);
+            pbXmrto.getIndeterminateDrawable().setColorFilter(
+                    ThemeHelper.getThemedColor(getContext(), R.attr.neutralColor),
+                    android.graphics.PorterDuff.Mode.MULTIPLY);
         } else {
             throw new IllegalStateException("status is broken: " + status.toString());
         }
@@ -245,8 +253,7 @@ public class SendBtcSuccessWizardFragment extends SendWizardFragment {
         if (xmrToApi == null) {
             synchronized (this) {
                 if (xmrToApi == null) {
-                    xmrToApi = new SideShiftApiImpl(OkHttpHelper.getOkHttpClient(),
+                    xmrToApi = new SideShiftApiImpl(ServiceHelper.getXmrToBaseUrl());
-                            ServiceHelper.getXmrToBaseUrl());
                 }
             }
         }

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

@@ -55,7 +55,6 @@ import com.m2049r.xmrwallet.widget.DotBar;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.lang.ref.WeakReference;
-import java.util.Objects;
 
 import timber.log.Timber;
 
@@ -202,14 +201,14 @@ public class SendFragment extends Fragment
         CharSequence nextLabel = pagerAdapter.getPageTitle(position + 1);
         bNext.setText(nextLabel);
         if (nextLabel != null) {
-            bNext.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_navigate_next_white_24dp, 0);
+            bNext.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_navigate_next, 0);
         } else {
             bNext.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
         }
         CharSequence prevLabel = pagerAdapter.getPageTitle(position - 1);
         bPrev.setText(prevLabel);
         if (prevLabel != null) {
-            bPrev.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_navigate_prev_white_24dp, 0, 0, 0);
+            bPrev.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_navigate_prev, 0, 0, 0);
         } else {
             bPrev.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
         }