onion stuff (#796)

* Improve translation

Fix typos, improve the translation in general and translate some English strings.

* Update strings.xml

.gitignore

@@ -15,3 +15,4 @@
 /app/alphaStagenet
 /app/prodStagenet
 /app/.cxx
+/monerujo.id

app/CMakeLists.txt

@@ -13,7 +13,7 @@ set(EXTERNAL_LIBS_DIR ${CMAKE_SOURCE_DIR}/../external-libs)
 
 add_library(sodium STATIC IMPORTED)
 set_target_properties(sodium PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/libsodium/lib/${ANDROID_ABI}/libsodium.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libsodium.a)
 
 ############
 # OpenSSL
@@ -21,11 +21,11 @@ set_target_properties(sodium PROPERTIES IMPORTED_LOCATION
 
 add_library(crypto STATIC IMPORTED)
 set_target_properties(crypto PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/openssl/lib/${ANDROID_ABI}/libcrypto.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libcrypto.a)
 
 add_library(ssl STATIC IMPORTED)
 set_target_properties(ssl PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/openssl/lib/${ANDROID_ABI}/libssl.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libssl.a)
 
 ############
 # Boost
@@ -33,39 +33,39 @@ set_target_properties(ssl PROPERTIES IMPORTED_LOCATION
 
 add_library(boost_chrono STATIC IMPORTED)
 set_target_properties(boost_chrono PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_chrono.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_chrono.a)
 
 add_library(boost_date_time STATIC IMPORTED)
 set_target_properties(boost_date_time PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_date_time.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_date_time.a)
 
 add_library(boost_filesystem STATIC IMPORTED)
 set_target_properties(boost_filesystem PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_filesystem.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_filesystem.a)
 
 add_library(boost_program_options STATIC IMPORTED)
 set_target_properties(boost_program_options PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_program_options.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_program_options.a)
 
 add_library(boost_regex STATIC IMPORTED)
 set_target_properties(boost_regex PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_regex.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_regex.a)
 
 add_library(boost_serialization STATIC IMPORTED)
 set_target_properties(boost_serialization PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_serialization.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_serialization.a)
 
 add_library(boost_system STATIC IMPORTED)
 set_target_properties(boost_system PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_system.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_system.a)
 
 add_library(boost_thread STATIC IMPORTED)
 set_target_properties(boost_thread PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_thread.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_thread.a)
 
 add_library(boost_wserialization STATIC IMPORTED)
 set_target_properties(boost_wserialization PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/boost/lib/${ANDROID_ABI}/libboost_wserialization.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libboost_wserialization.a)
 
 #############
 # Monero
@@ -73,99 +73,107 @@ set_target_properties(boost_wserialization PROPERTIES IMPORTED_LOCATION
 
 add_library(wallet_api STATIC IMPORTED)
 set_target_properties(wallet_api PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libwallet_api.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libwallet_api.a)
 
 add_library(wallet STATIC IMPORTED)
 set_target_properties(wallet PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libwallet.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libwallet.a)
 
 add_library(cryptonote_core STATIC IMPORTED)
 set_target_properties(cryptonote_core PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libcryptonote_core.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcryptonote_core.a)
 
 add_library(cryptonote_basic STATIC IMPORTED)
 set_target_properties(cryptonote_basic PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libcryptonote_basic.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcryptonote_basic.a)
 
 add_library(mnemonics STATIC IMPORTED)
 set_target_properties(mnemonics PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libmnemonics.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libmnemonics.a)
 
 add_library(common STATIC IMPORTED)
 set_target_properties(common PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libcommon.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcommon.a)
 
 add_library(cncrypto STATIC IMPORTED)
 set_target_properties(cncrypto PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libcncrypto.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcncrypto.a)
 
 add_library(ringct STATIC IMPORTED)
 set_target_properties(ringct PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libringct.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libringct.a)
 
 add_library(ringct_basic STATIC IMPORTED)
 set_target_properties(ringct_basic PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libringct_basic.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libringct_basic.a)
 
 add_library(blockchain_db STATIC IMPORTED)
 set_target_properties(blockchain_db PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libblockchain_db.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libblockchain_db.a)
 
 add_library(lmdb STATIC IMPORTED)
 set_target_properties(lmdb PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/liblmdb.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/liblmdb.a)
 
 add_library(easylogging STATIC IMPORTED)
 set_target_properties(easylogging PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libeasylogging.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libeasylogging.a)
 
 add_library(unbound STATIC IMPORTED)
 set_target_properties(unbound PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libunbound.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libunbound.a)
 
 add_library(epee STATIC IMPORTED)
 set_target_properties(epee PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libepee.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libepee.a)
 
 add_library(blocks STATIC IMPORTED)
 set_target_properties(blocks PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libblocks.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libblocks.a)
 
 add_library(checkpoints STATIC IMPORTED)
 set_target_properties(checkpoints PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libcheckpoints.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcheckpoints.a)
 
 add_library(device STATIC IMPORTED)
 set_target_properties(device PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libdevice.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libdevice.a)
 
 add_library(device_trezor STATIC IMPORTED)
 set_target_properties(device_trezor PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libdevice_trezor.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libdevice_trezor.a)
 
 add_library(multisig STATIC IMPORTED)
 set_target_properties(multisig PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libmultisig.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libmultisig.a)
 
 add_library(version STATIC IMPORTED)
 set_target_properties(version PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libversion.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libversion.a)
 
 add_library(net STATIC IMPORTED)
 set_target_properties(net PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libnet.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libnet.a)
 
 add_library(hardforks STATIC IMPORTED)
 set_target_properties(hardforks PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libhardforks.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libhardforks.a)
 
 add_library(randomx STATIC IMPORTED)
 set_target_properties(randomx PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/librandomx.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/librandomx.a)
 
 add_library(rpc_base STATIC IMPORTED)
 set_target_properties(rpc_base PROPERTIES IMPORTED_LOCATION
-        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/librpc_base.a)
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/librpc_base.a)
+
+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
@@ -173,16 +181,23 @@ set_target_properties(rpc_base PROPERTIES IMPORTED_LOCATION
 
 find_library( log-lib log )
 
-include_directories( ${EXTERNAL_LIBS_DIR}/monero/include )
+include_directories( ${EXTERNAL_LIBS_DIR}/include )
 
 message(STATUS EXTERNAL_LIBS_DIR :  ${EXTERNAL_LIBS_DIR})
 
+if(${ANDROID_ABI} STREQUAL "x86_64")
+    set(EXTRA_LIBS "wallet-crypto")
+else()
+    set(EXTRA_LIBS "")
+endif()
+
 target_link_libraries(  monerujo
 
                         wallet_api
                         wallet
                         cryptonote_core
                         cryptonote_basic
+                        cryptonote_format_utils_basic
                         mnemonics
                         ringct
                         ringct_basic
@@ -203,6 +218,7 @@ target_link_libraries(  monerujo
                         randomx
                         hardforks
                         rpc_base
+                        ${EXTRA_LIBS}
 
                         boost_chrono
                         boost_date_time

app/build.gradle

@@ -2,13 +2,14 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 30
-    buildToolsVersion '29.0.2'
+    buildToolsVersion '30.0.3'
+    ndkVersion '17.2.4988734'
     defaultConfig {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 601
-        versionName "1.16.1 'Karmic Nodes'"
+        versionCode 1201
+        versionName "2.2.1 'René'"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
@@ -56,6 +57,9 @@ android {
         debug {
             applicationIdSuffix ".debug"
         }
+        applicationVariants.all { variant ->
+            variant.buildConfigField "String", "ID_A", "\"" + getId("ID_A") + "\""
+        }
     }
 
     externalNativeBuild {
@@ -109,21 +113,30 @@ android {
     }
 }
 
+static def getId(name) {
+    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.appcompat:appcompat:1.2.0'
-    implementation 'com.google.android.material:material:1.3.0-alpha03'
+    implementation 'androidx.core:core:1.6.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.4.0'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
 
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
     implementation "com.squareup.okhttp3:okhttp:4.9.0"
-    implementation "com.burgstaller:okhttp-digest:2.1"
+    implementation "io.github.rburgst:okhttp-digest:2.5"
     implementation "com.jakewharton.timber:timber:4.7.1"
 
+    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:1.3.0'
 
     implementation 'dnsjava:dnsjava:2.1.9'
@@ -131,8 +144,7 @@ dependencies {
     implementation 'org.slf4j:slf4j-nop:1.7.30'
     implementation 'com.github.brnunes:swipeablerecyclerview:1.0.2'
 
-    implementation 'com.github.aelstad:keccakj:1.1.0'
-
+    //noinspection GradleDependency
     testImplementation "junit:junit:$rootProject.ext.junitVersion"
     testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
     testImplementation "com.squareup.okhttp3:mockwebserver:4.9.0"
@@ -142,3 +154,4 @@ dependencies {
     compileOnly 'org.projectlombok:lombok:1.18.16'
     annotationProcessor 'org.projectlombok:lombok:1.18.16'
 }
+

app/src/main/AndroidManifest.xml

@@ -4,19 +4,37 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.WRITE_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.USE_FINGERPRINT" />
     <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: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:usesCleartextTraffic="true">
@@ -35,7 +53,7 @@
             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"

app/src/main/cpp/monerujo.cpp

@@ -531,6 +531,17 @@ 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
@@ -727,6 +738,16 @@ 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 +935,7 @@ 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();
 }

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/levin/scanner/LevinPeer.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2018 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.m2049r.levin.scanner;
 
 import java.net.InetAddress;

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

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2017-2020 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.m2049r.xmrwallet;
 
 import android.app.PendingIntent;
@@ -15,10 +31,11 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PowerManager;
+import android.widget.Toast;
+
 import androidx.annotation.CallSuper;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
-import android.widget.Toast;
 
 import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.dialog.ProgressDialog;
@@ -30,7 +47,8 @@ import java.io.IOException;
 
 import timber.log.Timber;
 
-public class BaseActivity extends SecureActivity implements GenerateReviewFragment.ProgressListener {
+public class BaseActivity extends SecureActivity
+        implements GenerateReviewFragment.ProgressListener, SubaddressFragment.ProgressListener {
 
     ProgressDialog progressDialog = null;
 
@@ -197,7 +215,7 @@ public class BaseActivity extends SecureActivity implements GenerateReviewFragme
                 if (uri == null) {
                     Toast.makeText(this, getString(R.string.nfc_tag_read_undef), Toast.LENGTH_LONG).show();
                 } else {
-                    BarcodeData bc = BarcodeData.fromQrCode(uri.toString());
+                    BarcodeData bc = BarcodeData.fromString(uri.toString());
                     if (bc == null)
                         Toast.makeText(this, getString(R.string.nfc_tag_read_undef), Toast.LENGTH_LONG).show();
                     else

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

@@ -56,6 +56,7 @@ import com.m2049r.xmrwallet.util.FingerprintHelper;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.KeyStoreHelper;
 import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
+import com.m2049r.xmrwallet.widget.PasswordEntryView;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.text.NumberFormat;
@@ -306,7 +307,6 @@ public class GenerateReviewFragment extends Fragment {
         void dismissProgressDialog();
     }
 
-
     public interface AcceptListener {
         void onAccept(String name, String password);
     }
@@ -473,7 +473,7 @@ public class GenerateReviewFragment extends Fragment {
         AlertDialog.Builder alertDialogBuilder = new MaterialAlertDialogBuilder(getActivity());
         alertDialogBuilder.setView(promptsView);
 
-        final TextInputLayout etPasswordA = promptsView.findViewById(R.id.etWalletPasswordA);
+        final PasswordEntryView etPasswordA = promptsView.findViewById(R.id.etWalletPasswordA);
         etPasswordA.setHint(getString(R.string.prompt_changepw, walletName));
 
         final TextInputLayout etPasswordB = promptsView.findViewById(R.id.etWalletPasswordB);
@@ -509,9 +509,6 @@ public class GenerateReviewFragment extends Fragment {
         etPasswordA.getEditText().addTextChangedListener(new TextWatcher() {
             @Override
             public void afterTextChanged(Editable s) {
-                if (etPasswordA.getError() != null) {
-                    etPasswordA.setError(null);
-                }
                 if (etPasswordB.getError() != null) {
                     etPasswordB.setError(null);
                 }
@@ -531,9 +528,6 @@ public class GenerateReviewFragment extends Fragment {
         etPasswordB.getEditText().addTextChangedListener(new TextWatcher() {
             @Override
             public void afterTextChanged(Editable s) {
-                if (etPasswordA.getError() != null) {
-                    etPasswordA.setError(null);
-                }
                 if (etPasswordB.getError() != null) {
                     etPasswordB.setError(null);
                 }
@@ -564,29 +558,20 @@ public class GenerateReviewFragment extends Fragment {
                         });
 
         openDialog = alertDialogBuilder.create();
-        openDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(final DialogInterface dialog) {
-                Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String newPasswordA = etPasswordA.getEditText().getText().toString();
-                        String newPasswordB = etPasswordB.getEditText().getText().toString();
-                        // disallow empty passwords
-                        if (newPasswordA.isEmpty()) {
-                            etPasswordA.setError(getString(R.string.generate_empty_passwordB));
-                        } else if (!newPasswordA.equals(newPasswordB)) {
-                            etPasswordB.setError(getString(R.string.generate_bad_passwordB));
-                        } else {
-                            new AsyncChangePassword().execute(newPasswordA, Boolean.toString(swFingerprintAllowed.isChecked()));
-                            Helper.hideKeyboardAlways(getActivity());
-                            openDialog.dismiss();
-                            openDialog = null;
-                        }
-                    }
-                });
-            }
+        openDialog.setOnShowListener(dialog -> {
+            Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
+            button.setOnClickListener(view -> {
+                String newPasswordA = etPasswordA.getEditText().getText().toString();
+                String newPasswordB = etPasswordB.getEditText().getText().toString();
+                if (!newPasswordA.equals(newPasswordB)) {
+                    etPasswordB.setError(getString(R.string.generate_bad_passwordB));
+                } else {
+                    new AsyncChangePassword().execute(newPasswordA, Boolean.toString(swFingerprintAllowed.isChecked()));
+                    Helper.hideKeyboardAlways(getActivity());
+                    openDialog.dismiss();
+                    openDialog = null;
+                }
+            });
         });
 
         // accept keyboard "ok"
@@ -597,9 +582,7 @@ public class GenerateReviewFragment extends Fragment {
                     String newPasswordA = etPasswordA.getEditText().getText().toString();
                     String newPasswordB = etPasswordB.getEditText().getText().toString();
                     // disallow empty passwords
-                    if (newPasswordA.isEmpty()) {
-                        etPasswordA.setError(getString(R.string.generate_empty_passwordB));
-                    } else if (!newPasswordA.equals(newPasswordB)) {
+                    if (!newPasswordA.equals(newPasswordB)) {
                         etPasswordB.setError(getString(R.string.generate_bad_passwordB));
                     } else {
                         new AsyncChangePassword().execute(newPasswordA, Boolean.toString(swFingerprintAllowed.isChecked()));

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));
-            } catch (NullPointerException ex) {
+                requireActivity().runOnUiThread(() -> nodesAdapter.allowClick(true));
+            } catch (IllegalStateException ex) {
                 // it's ok
             }
         });
@@ -228,24 +226,23 @@ public class NodeFragment extends Fragment
 
     // open up edit dialog
     @Override
-    public void onLongInteraction(final View view, final NodeInfo nodeItem) {
+    public boolean onLongInteraction(final View view, final NodeInfo nodeItem) {
         Timber.d("onLongInteraction");
         EditDialog diag = createEditDialog(nodeItem);
         if (diag != null) {
             diag.show();
         }
+        return true;
     }
 
     @Override
     public void onClick(View v) {
         int id = v.getId();
-        switch (id) {
-            case R.id.fab:
-                EditDialog diag = createEditDialog(null);
-                if (diag != null) {
-                    diag.show();
-                }
-                break;
+        if (id == R.id.fab) {
+            EditDialog diag = createEditDialog(null);
+            if (diag != null) {
+                diag.show();
+            }
         }
     }
 
@@ -404,16 +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() {
-                @Override
-                public boolean run() {
-                    try {
-                        nodeInfo.setHost(host);
-                        return true;
-                    } catch (UnknownHostException ex) {
-                        etNodeHost.setError(getString(R.string.node_host_unresolved));
-                        return false;
-                    }
+            final boolean setHostSuccess = Helper.runWithNetwork(() -> {
+                try {
+                    nodeInfo.setHost(host);
+                    return true;
+                } catch (UnknownHostException ex) {
+                    return false;
                 }
             });
             if (!setHostSuccess) {
@@ -422,14 +415,7 @@ public class NodeFragment extends Fragment
             }
             etNodeHost.setError(null);
             nodeInfo.setRpcPort(port);
-            // setName() may trigger reverse DNS
-            Helper.runWithNetwork(new Helper.Action() {
-                @Override
-                public boolean run() {
-                    nodeInfo.setName(etNodeName.getEditText().getText().toString().trim());
-                    return true;
-                }
-            });
+            nodeInfo.setName(etNodeName.getEditText().getText().toString().trim());
             nodeInfo.setUsername(etNodeUser.getEditText().getText().toString().trim());
             nodeInfo.setPassword(etNodePass.getEditText().getText().toString()); // no trim for pw
             return true;
@@ -524,7 +510,7 @@ public class NodeFragment extends Fragment
                     .setNegativeButton(getString(R.string.label_cancel),
                             (dialog, id) -> {
                                 closeDialog();
-                                nodesAdapter.dataSetChanged(); // to refresh test results
+                                nodesAdapter.setNodes(); // to refresh test results
                             });
 
             editDialog = alertDialogBuilder.create();
@@ -533,20 +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() {
-                        @Override
-                        public void onClick(View view) {
-                            test();
-                        }
-                    });
+                    testButton.setOnClickListener(view -> test());
 
                     Button button = ((AlertDialog) dialog).getButton(AlertDialog.BUTTON_POSITIVE);
-                    button.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View view) {
-                            apply();
-                        }
-                    });
+                    button.setOnClickListener(view -> apply());
                 }
             });
 
@@ -554,15 +530,13 @@ public class NodeFragment extends Fragment
                 editDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
             }
 
-            etNodePass.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                    if (actionId == EditorInfo.IME_ACTION_DONE) {
-                        editDialog.getButton(DialogInterface.BUTTON_NEUTRAL).requestFocus();
-                        test();
-                        return true;
-                    }
-                    return false;
+            etNodePass.getEditText().setOnEditorActionListener((v, actionId, event) -> {
+                if (actionId == EditorInfo.IME_ACTION_DONE) {
+                    editDialog.getButton(DialogInterface.BUTTON_NEUTRAL).requestFocus();
+                    test();
+                    return true;
                 }
+                return false;
             });
         }
 
@@ -588,8 +562,9 @@ public class NodeFragment extends Fragment
                     if (nodeBackup == null) {
                         nodesAdapter.addNode(nodeInfo);
                     } else {
-                        nodesAdapter.dataSetChanged();
+                        nodesAdapter.setNodes();
                     }
+                    nodesAdapter.notifyItemChanged(nodeInfo);
                 }
             }
         }

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

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2021 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet;
+
+import com.m2049r.xmrwallet.model.Wallet;
+
+public interface OnBlockUpdateListener {
+    void onBlockUpdate(final Wallet wallet);
+}

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

@@ -73,14 +73,7 @@ public class ScannerFragment extends Fragment implements ZXingScannerView.Result
         // * On older devices continuously stopping and resuming camera preview can result in freezing the app.
         // * I don't know why this is the case but I don't have the time to figure out.
         Handler handler = new Handler();
-        handler.postDelayed(new
-
-                                    Runnable() {
-                                        @Override
-                                        public void run() {
-                                            mScannerView.resumeCameraPreview(ScannerFragment.this);
-                                        }
-                                    }, 2000);
+        handler.postDelayed(() -> mScannerView.resumeCameraPreview(ScannerFragment.this), 2000);
     }
 
     @Override

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

@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+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.transition.MaterialElevationScale;
+import com.m2049r.xmrwallet.data.Subaddress;
+import com.m2049r.xmrwallet.layout.SubaddressInfoAdapter;
+import com.m2049r.xmrwallet.ledger.LedgerProgressDialog;
+import com.m2049r.xmrwallet.model.TransactionInfo;
+import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.model.WalletManager;
+import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
+import com.m2049r.xmrwallet.widget.Toolbar;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import lombok.RequiredArgsConstructor;
+import timber.log.Timber;
+
+public class SubaddressFragment extends Fragment implements SubaddressInfoAdapter.OnInteractionListener,
+        View.OnClickListener, OnBlockUpdateListener {
+    static public final String KEY_MODE = "mode";
+    static public final String MODE_MANAGER = "manager";
+
+    private SubaddressInfoAdapter adapter;
+
+    private Listener activityCallback;
+
+    private Wallet wallet;
+
+    // Container Activity must implement this interface
+    public interface Listener {
+        void onSubaddressSelected(Subaddress subaddress);
+
+        void setSubtitle(String title);
+
+        void setToolbarButton(int type);
+
+        void showSubaddress(View view, final int subaddressIndex);
+    }
+
+    public interface ProgressListener {
+        void showProgressDialog(int msgId);
+
+        void showLedgerProgressDialog(int mode);
+
+        void dismissProgressDialog();
+    }
+
+    private ProgressListener progressCallback = null;
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        if (context instanceof ProgressListener) {
+            progressCallback = (ProgressListener) context;
+        }
+        if (context instanceof Listener) {
+            activityCallback = (Listener) context;
+        } else {
+            throw new ClassCastException(context.toString()
+                    + " must implement Listener");
+        }
+    }
+
+    @Override
+    public void onPause() {
+        Timber.d("onPause()");
+        super.onPause();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        activityCallback.setSubtitle(getString(R.string.subbaddress_title));
+        activityCallback.setToolbarButton(Toolbar.BUTTON_BACK);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        Timber.d("onCreateView");
+
+        final Bundle b = getArguments();
+        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) {
+            view.findViewById(R.id.tvInstruction).setVisibility(View.GONE);
+            view.findViewById(R.id.tvHint).setVisibility(View.GONE);
+        }
+
+        final RecyclerView list = view.findViewById(R.id.list);
+        adapter = new SubaddressInfoAdapter(getActivity(), this);
+        list.setAdapter(adapter);
+        adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
+            @Override
+            public void onItemRangeInserted(int positionStart, int itemCount) {
+                list.scrollToPosition(positionStart);
+            }
+        });
+
+        Helper.hideKeyboard(getActivity());
+
+        wallet = WalletManager.getInstance().getWallet();
+
+        loadList();
+
+        return view;
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        postponeEnterTransition();
+        view.getViewTreeObserver().addOnPreDrawListener(() -> {
+            startPostponedEnterTransition();
+            return true;
+        });
+    }
+
+    public void loadList() {
+        Timber.d("loadList()");
+        final int numSubaddresses = wallet.getNumSubaddresses();
+        final List<Subaddress> list = new ArrayList<>();
+        for (int i = 0; i < numSubaddresses; i++) {
+            list.add(wallet.getSubaddressObject(i));
+        }
+        adapter.setInfos(list);
+    }
+
+    @Override
+    public void onBlockUpdate(Wallet wallet) {
+        loadList();
+    }
+
+    @Override
+    public void onClick(View v) {
+        int id = v.getId();
+        if (id == R.id.fab) {
+            getNewSubaddress();
+        }
+    }
+
+    private int lastUsedSubaddress() {
+        int lastUsedSubaddress = 0;
+        for (TransactionInfo info : wallet.getHistory().getAll()) {
+            if (info.addressIndex > lastUsedSubaddress)
+                lastUsedSubaddress = info.addressIndex;
+        }
+        return lastUsedSubaddress;
+    }
+
+    private void getNewSubaddress() {
+        final int maxSubaddresses = lastUsedSubaddress() + wallet.getDeviceType().getSubaddressLookahead();
+        if (wallet.getNumSubaddresses() < maxSubaddresses)
+            new AsyncSubaddress().executeOnExecutor(MoneroThreadPoolExecutor.MONERO_THREAD_POOL_EXECUTOR);
+        else
+            Toast.makeText(getActivity(), getString(R.string.max_subaddress_warning), Toast.LENGTH_LONG).show();
+    }
+
+    @SuppressLint("StaticFieldLeak")
+    @RequiredArgsConstructor
+    private class AsyncSubaddress extends AsyncTask<Void, Void, Boolean> {
+        boolean dialogOpened = false;
+
+        @Override
+        protected void onPreExecute() {
+            super.onPreExecute();
+            if ((wallet.getDeviceType() == Wallet.Device.Device_Ledger) && (progressCallback != null)) {
+                progressCallback.showLedgerProgressDialog(LedgerProgressDialog.TYPE_SUBADDRESS);
+                dialogOpened = true;
+            }
+        }
+
+        @Override
+        protected Boolean doInBackground(Void... params) {
+            if (params.length != 0) return false;
+            wallet.getNewSubaddress();
+            wallet.store();
+            return true;
+        }
+
+        @Override
+        protected void onPostExecute(Boolean result) {
+            super.onPostExecute(result);
+            if (dialogOpened)
+                progressCallback.dismissProgressDialog();
+            if (!isAdded()) // never mind then
+                return;
+            loadList();
+        }
+    }
+
+    boolean managerMode = false;
+
+    // Callbacks from SubaddressInfoAdapter
+    @Override
+    public void onInteraction(final View view, final Subaddress subaddress) {
+        if (managerMode)
+            activityCallback.showSubaddress(view, subaddress.getAddressIndex());
+        else
+            activityCallback.onSubaddressSelected(subaddress); // also closes the fragment with onBackpressed()
+    }
+
+    @Override
+    public boolean onLongInteraction(View view, Subaddress subaddress) {
+        activityCallback.showSubaddress(view, subaddress.getAddressIndex());
+        return false;
+    }
+}

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

@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.inputmethod.EditorInfo;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+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;
+import java.util.List;
+
+import timber.log.Timber;
+
+public class SubaddressInfoFragment extends Fragment
+        implements TransactionInfoAdapter.OnInteractionListener, OnBlockUpdateListener {
+    private TransactionInfoAdapter adapter;
+
+    private Subaddress subaddress;
+
+    private TextInputLayout etName;
+    private TextView tvAddress;
+    private TextView tvTxLabel;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_subaddressinfo, container, false);
+
+        etName = view.findViewById(R.id.etName);
+        tvAddress = view.findViewById(R.id.tvAddress);
+        tvTxLabel = view.findViewById(R.id.tvTxLabel);
+
+        final RecyclerView list = view.findViewById(R.id.list);
+        adapter = new TransactionInfoAdapter(getActivity(), this);
+        list.setAdapter(adapter);
+
+        final Wallet wallet = activityCallback.getWallet();
+
+        Bundle b = getArguments();
+        final int subaddressIndex = b.getInt("subaddressIndex");
+        subaddress = wallet.getSubaddressObject(subaddressIndex);
+
+        etName.getEditText().setText(subaddress.getDisplayLabel());
+        tvAddress.setText(getContext().getString(R.string.subbaddress_info_subtitle,
+                subaddress.getAddressIndex(), subaddress.getSquashedAddress()));
+
+        etName.getEditText().setOnFocusChangeListener((v, hasFocus) -> {
+            if (!hasFocus) {
+                wallet.setSubaddressLabel(subaddressIndex, etName.getEditText().getText().toString());
+            }
+        });
+        etName.getEditText().setOnEditorActionListener((v, actionId, event) -> {
+            if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
+                    || (actionId == EditorInfo.IME_ACTION_DONE)) {
+                Helper.hideKeyboard(getActivity());
+                wallet.setSubaddressLabel(subaddressIndex, etName.getEditText().getText().toString());
+                onRefreshed(wallet);
+                return true;
+            }
+            return false;
+        });
+
+        onRefreshed(wallet);
+
+        return view;
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final MaterialContainerTransform transform = new MaterialContainerTransform();
+        transform.setDrawingViewId(R.id.fragment_container);
+        transform.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
+        transform.setAllContainerColors(ThemeHelper.getThemedColor(getContext(), android.R.attr.colorBackground));
+        setSharedElementEnterTransition(transform);
+    }
+
+    public void onRefreshed(final Wallet wallet) {
+        Timber.d("onRefreshed");
+        List<TransactionInfo> list = new ArrayList<>();
+        for (TransactionInfo info : wallet.getHistory().getAll()) {
+            if (info.addressIndex == subaddress.getAddressIndex())
+                list.add(info);
+        }
+        adapter.setInfos(list);
+        if (list.isEmpty())
+            tvTxLabel.setText(R.string.subaddress_notx_label);
+        else
+            tvTxLabel.setText(R.string.subaddress_tx_label);
+    }
+
+    @Override
+    public void onBlockUpdate(Wallet wallet) {
+        onRefreshed(wallet);
+    }
+
+    // Callbacks from TransactionInfoAdapter
+    @Override
+    public void onInteraction(final View view, final TransactionInfo infoItem) {
+        activityCallback.onTxDetailsRequest(view, infoItem);
+    }
+
+    Listener activityCallback;
+
+    // Container Activity must implement this interface
+    public interface Listener {
+        void onTxDetailsRequest(View view, TransactionInfo info);
+
+        Wallet getWallet();
+
+        void setToolbarButton(int type);
+
+        void setTitle(String title, String subtitle);
+
+        void setSubtitle(String subtitle);
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        if (context instanceof Listener) {
+            this.activityCallback = (Listener) context;
+        } else {
+            throw new ClassCastException(context.toString()
+                    + " must implement Listener");
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Timber.d("onResume()");
+        activityCallback.setSubtitle(getString(R.string.subbaddress_title));
+        activityCallback.setToolbarButton(Toolbar.BUTTON_BACK);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+}

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

@@ -16,15 +16,21 @@
 
 package com.m2049r.xmrwallet;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
+import android.graphics.Paint;
+import android.net.Uri;
 import android.os.Bundle;
+import android.text.Html;
 import android.text.InputType;
+import android.text.Spanned;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -32,11 +38,15 @@ import androidx.annotation.Nullable;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
+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;
 import com.m2049r.xmrwallet.model.Transfer;
 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.text.SimpleDateFormat;
@@ -46,6 +56,8 @@ import java.util.HashSet;
 import java.util.Set;
 import java.util.TimeZone;
 
+import timber.log.Timber;
+
 public class TxFragment extends Fragment {
 
     static public final String ARG_INFO = "info";
@@ -77,17 +89,28 @@ public class TxFragment extends Fragment {
     private TextView tvTxXmrToKey;
     private TextView tvDestinationBtc;
     private TextView tvTxAmountBtc;
+    private TextView tvXmrToSupport;
+    private TextView tvXmrToKeyLabel;
+    private ImageView tvXmrToLogo;
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-
+    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);
         tvTxAmountBtc = view.findViewById(R.id.tvTxAmountBtc);
+        tvXmrToSupport = view.findViewById(R.id.tvXmrToSupport);
+        tvXmrToKeyLabel = view.findViewById(R.id.tvXmrToKeyLabel);
+        tvXmrToLogo = view.findViewById(R.id.tvXmrToLogo);
 
         tvAccount = view.findViewById(R.id.tvAccount);
         tvAddress = view.findViewById(R.id.tvAddress);
@@ -104,17 +127,13 @@ public class TxFragment extends Fragment {
 
         etTxNotes.setRawInputType(InputType.TYPE_CLASS_TEXT);
 
-        tvTxXmrToKey.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Helper.clipBoardCopy(getActivity(), getString(R.string.label_copy_xmrtokey), tvTxXmrToKey.getText().toString());
-                Toast.makeText(getActivity(), getString(R.string.message_copy_xmrtokey), Toast.LENGTH_SHORT).show();
-            }
+        tvTxXmrToKey.setOnClickListener(v -> {
+            Helper.clipBoardCopy(getActivity(), getString(R.string.label_copy_xmrtokey), tvTxXmrToKey.getText().toString());
+            Toast.makeText(getActivity(), getString(R.string.message_copy_xmrtokey), Toast.LENGTH_SHORT).show();
         });
 
-        Bundle args = getArguments();
-        TransactionInfo info = args.getParcelable(ARG_INFO);
-        show(info);
+        info = getArguments().getParcelable(ARG_INFO);
+        show();
         return view;
     }
 
@@ -183,7 +202,7 @@ public class TxFragment extends Fragment {
     TransactionInfo info = null;
     UserNotes userNotes = null;
 
-    void loadNotes(TransactionInfo info) {
+    void loadNotes() {
         if ((userNotes == null) || (info.notes == null)) {
             info.notes = activityCallback.getTxNotes(info.hash);
         }
@@ -196,19 +215,28 @@ public class TxFragment extends Fragment {
         tvTxFee.setTextColor(clr);
     }
 
-    private void show(TransactionInfo info) {
+    private void showSubaddressLabel() {
+        final Subaddress subaddress = activityCallback.getWalletSubaddress(info.accountIndex, info.addressIndex);
+        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(ContextCompat.getColor(ctx, R.color.monerujoBackground) & 0xFFFFFF),
+                subaddress.getDisplayLabel()));
+        tvAccount.setText(label);
+        tvAccount.setOnClickListener(v -> activityCallback.showSubaddress(v, info.addressIndex));
+    }
+
+    private void show() {
         if (info.txKey == null) {
             info.txKey = activityCallback.getTxKey(info.hash);
         }
         if (info.address == null) {
-            info.address = activityCallback.getTxAddress(info.account, info.subaddress);
+            info.address = activityCallback.getTxAddress(info.accountIndex, info.addressIndex);
         }
-        loadNotes(info);
+        loadNotes();
 
-        activityCallback.setSubtitle(getString(R.string.tx_title));
-        activityCallback.setToolbarButton(Toolbar.BUTTON_BACK);
-
-        tvAccount.setText(getString(R.string.tx_account_formatted, info.account, info.subaddress));
+        showSubaddressLabel();
         tvAddress.setText(info.address);
 
         tvTxTimestamp.setText(TS_FORMATTER.format(new Date(info.timestamp * 1000)));
@@ -247,8 +275,8 @@ public class TxFragment extends Fragment {
             setTxColour(ContextCompat.getColor(getContext(), R.color.tx_minus));
         }
         Set<String> destinations = new HashSet<>();
-        StringBuffer sb = new StringBuffer();
-        StringBuffer dstSb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
+        StringBuilder dstSb = new StringBuilder();
         if (info.transfers != null) {
             boolean newline = false;
             for (Transfer transfer : info.transfers) {
@@ -272,23 +300,45 @@ public class TxFragment extends Fragment {
             }
         } else {
             sb.append("-");
-            dstSb.append(info.direction ==
-                    TransactionInfo.Direction.Direction_In ?
-                    activityCallback.getWalletSubaddress(info.account, info.subaddress) :
+            dstSb.append(info.direction == TransactionInfo.Direction.Direction_In ?
+                    activityCallback.getWalletSubaddress(info.accountIndex, info.addressIndex).getAddress() :
                     "-");
         }
         tvTxTransfers.setText(sb.toString());
         tvDestination.setText(dstSb.toString());
-        this.info = info;
         showBtcInfo();
     }
 
+    @SuppressLint("SetTextI18n")
     void showBtcInfo() {
         if (userNotes.xmrtoKey != null) {
             cvXmrTo.setVisibility(View.VISIBLE);
-            tvTxXmrToKey.setText(userNotes.xmrtoKey);
+            String key = userNotes.xmrtoKey;
+            if ("xmrto".equals(userNotes.xmrtoTag)) { // legacy xmr.to service :(
+                key = "xmrto-" + key;
+            }
+            tvTxXmrToKey.setText(key);
             tvDestinationBtc.setText(userNotes.xmrtoDestination);
-            tvTxAmountBtc.setText(userNotes.xmrtoAmount + " BTC");
+            tvTxAmountBtc.setText(userNotes.xmrtoAmount + " " + userNotes.xmrtoCurrency);
+            switch (userNotes.xmrtoTag) {
+                case "xmrto":
+                    tvXmrToSupport.setVisibility(View.GONE);
+                    tvXmrToKeyLabel.setVisibility(View.INVISIBLE);
+                    tvXmrToLogo.setImageResource(R.drawable.ic_xmrto_logo);
+                    break;
+                case "side": // defaults in layout - just add underline
+                    tvXmrToSupport.setPaintFlags(tvXmrToSupport.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
+                    tvXmrToSupport.setOnClickListener(v -> {
+                        Uri uri = Uri.parse("https://sideshift.ai/orders/" + userNotes.xmrtoKey);
+                        Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+                        startActivity(intent);
+                    });
+                    break;
+                default:
+                    tvXmrToSupport.setVisibility(View.GONE);
+                    tvXmrToKeyLabel.setVisibility(View.INVISIBLE);
+                    tvXmrToLogo.setVisibility(View.GONE);
+            }
         } else {
             cvXmrTo.setVisibility(View.GONE);
         }
@@ -298,6 +348,11 @@ public class TxFragment extends Fragment {
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
+        final MaterialContainerTransform transform = new MaterialContainerTransform();
+        transform.setDrawingViewId(R.id.fragment_container);
+        transform.setDuration(getResources().getInteger(R.integer.tx_item_transition_duration));
+        transform.setAllContainerColors(ThemeHelper.getThemedColor(getContext(), android.R.attr.colorBackground));
+        setSharedElementEnterTransition(transform);
     }
 
     @Override
@@ -309,7 +364,7 @@ public class TxFragment extends Fragment {
     Listener activityCallback;
 
     public interface Listener {
-        String getWalletSubaddress(int accountIndex, int subaddressIndex);
+        Subaddress getWalletSubaddress(int accountIndex, int subaddressIndex);
 
         String getTxKey(String hash);
 
@@ -323,6 +378,8 @@ public class TxFragment extends Fragment {
 
         void setSubtitle(String subtitle);
 
+        void showSubaddress(View view, final int subaddressIndex);
+
     }
 
     @Override
@@ -347,4 +404,13 @@ public class TxFragment extends Fragment {
         Helper.hideKeyboard(getActivity());
         super.onPause();
     }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Timber.d("onResume()");
+        activityCallback.setSubtitle(getString(R.string.tx_title));
+        activityCallback.setToolbarButton(Toolbar.BUTTON_BACK);
+        showSubaddressLabel();
+    }
 }

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

@@ -16,20 +16,22 @@
 
 package com.m2049r.xmrwallet;
 
-
 import android.app.Application;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Build;
 
+import androidx.annotation.NonNull;
+
 import com.m2049r.xmrwallet.model.NetworkType;
-import com.m2049r.xmrwallet.util.DayNightMode;
 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();
@@ -37,7 +39,10 @@ public class XmrWalletApplication extends Application {
         if (BuildConfig.DEBUG) {
             Timber.plant(new Timber.DebugTree());
         }
+
         NightmodeHelper.setPreferredNightmode(this);
+
+        NetCipherHelper.createInstance(this);
     }
 
     @Override
@@ -46,7 +51,7 @@ 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/Crypto.java

@@ -0,0 +1,89 @@
+package com.m2049r.xmrwallet.data;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.util.validator.BitcoinAddressType;
+import com.m2049r.xmrwallet.util.validator.BitcoinAddressValidator;
+import com.m2049r.xmrwallet.util.validator.EthAddressValidator;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+public enum Crypto {
+    XMR("XMR", true, "monero:tx_amount:recipient_name:tx_description", R.id.ibXMR, R.drawable.ic_monero, R.drawable.ic_monero_bw, Wallet::isAddressValid),
+    BTC("BTC", true, "bitcoin:amount:label:message", R.id.ibBTC, R.drawable.ic_xmrto_btc, R.drawable.ic_xmrto_btc_off, address -> {
+        return BitcoinAddressValidator.validate(address, BitcoinAddressType.BTC);
+    }),
+    DASH("DASH", true, "dash:amount:label:message", R.id.ibDASH, R.drawable.ic_xmrto_dash, R.drawable.ic_xmrto_dash_off, address -> {
+        return BitcoinAddressValidator.validate(address, BitcoinAddressType.DASH);
+    }),
+    DOGE("DOGE", true, "dogecoin:amount:label:message", R.id.ibDOGE, R.drawable.ic_xmrto_doge, R.drawable.ic_xmrto_doge_off, address -> {
+        return BitcoinAddressValidator.validate(address, BitcoinAddressType.DOGE);
+    }),
+    ETH("ETH", false, "ethereum:amount:label:message", R.id.ibETH, R.drawable.ic_xmrto_eth, R.drawable.ic_xmrto_eth_off, EthAddressValidator::validate),
+    LTC("LTC", true, "litecoin:amount:label:message", R.id.ibLTC, R.drawable.ic_xmrto_ltc, R.drawable.ic_xmrto_ltc_off, address -> {
+        return BitcoinAddressValidator.validate(address, BitcoinAddressType.LTC);
+    });
+
+    @Getter
+    @NonNull
+    private final String symbol;
+    @Getter
+    private final boolean casefull;
+    @NonNull
+    private final String uriSpec;
+    @Getter
+    private final int buttonId;
+    @Getter
+    private final int iconEnabledId;
+    @Getter
+    private final int iconDisabledId;
+    @NonNull
+    private final Validator validator;
+
+    @Nullable
+    public static Crypto withScheme(@NonNull String scheme) {
+        for (Crypto crypto : values()) {
+            if (crypto.getUriScheme().equals(scheme)) return crypto;
+        }
+        return null;
+    }
+
+    @Nullable
+    public static Crypto withSymbol(@NonNull String symbol) {
+        final String upperSymbol = symbol.toUpperCase();
+        for (Crypto crypto : values()) {
+            if (crypto.symbol.equals(upperSymbol)) return crypto;
+        }
+        return null;
+    }
+
+    interface Validator {
+        boolean validate(String address);
+    }
+
+    // TODO maybe cache these segments
+    String getUriScheme() {
+        return uriSpec.split(":")[0];
+    }
+
+    String getUriAmount() {
+        return uriSpec.split(":")[1];
+    }
+
+    String getUriLabel() {
+        return uriSpec.split(":")[2];
+    }
+
+    String getUriMessage() {
+        return uriSpec.split(":")[3];
+    }
+
+    boolean validate(String address) {
+        return validator.validate(address);
+    }
+}

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

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2020 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.m2049r.xmrwallet.data;
 
 import lombok.AllArgsConstructor;
@@ -12,7 +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
@@ -64,12 +117,18 @@ public class Node {
         return hostAddress.hashCode();
     }
 
-    // Nodes are equal if they are the same host address & are on the same network
+    // Nodes are equal if they are the same host address:port & are on the same network
     @Override
     public boolean equals(Object other) {
         if (!(other instanceof Node)) return false;
         final Node anotherNode = (Node) other;
-        return (hostAddress.equals(anotherNode.hostAddress) && (networkType == anotherNode.networkType));
+        return (hostAddress.equals(anotherNode.hostAddress)
+                && (rpcPort == anotherNode.rpcPort)
+                && (networkType == anotherNode.networkType));
+    }
+
+    public boolean isOnion() {
+        return hostAddress.isOnion();
     }
 
     static public Node fromString(String nodeString) {
@@ -203,7 +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();
@@ -223,17 +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() {
-        if (name == null)
-            this.name = hostAddress.getHostName();
+    public void setDefaultName() {
+        if (name != null) return;
+        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 com.burgstaller.okhttp.CachingAuthenticatorDecorator;
-import com.burgstaller.okhttp.digest.CachingAuthenticator;
-import com.burgstaller.okhttp.digest.Credentials;
-import com.burgstaller.okhttp.digest.DigestAuthenticator;
+import android.content.Context;
+import android.text.Html;
+import android.text.Spanned;
+import android.widget.TextView;
+
+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;
@@ -196,39 +196,35 @@ 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()) {
                     ResponseBody respBody = response.body(); // closed through Response object
                     if ((respBody != null) && (respBody.contentLength() < 2000)) { // sanity check
-                        final JSONObject json = new JSONObject(
-                                respBody.string());
+                        final JSONObject json = new JSONObject(respBody.string());
                         String rpcVersion = json.getString("jsonrpc");
                         if (!RPC_VERSION.equals(rpcVersion))
                             return false;
@@ -244,7 +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;
         }
@@ -265,4 +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(ContextCompat.getColor(ctx, R.color.monerujoGreen) & 0xFFFFFF),
+                Integer.toHexString(ContextCompat.getColor(ctx, R.color.monerujoBackground) & 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, R.attr.colorPrimary));
+    }
+
+    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/Subaddress.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.data;
+
+import java.util.regex.Pattern;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+
+@RequiredArgsConstructor
+@ToString
+@EqualsAndHashCode
+public class Subaddress implements Comparable<Subaddress> {
+    @Getter
+    final private int accountIndex;
+    @Getter
+    final private int addressIndex;
+    @Getter
+    final private String address;
+    @Getter
+    private final String label;
+    @Getter
+    @Setter
+    private long amount;
+
+    @Override
+    public int compareTo(Subaddress another) { // newer is <
+        final int compareAccountIndex = another.accountIndex - accountIndex;
+        if (compareAccountIndex == 0)
+            return another.addressIndex - addressIndex;
+        return compareAccountIndex;
+    }
+
+    public String getSquashedAddress() {
+        return address.substring(0, 8) + "…" + address.substring(address.length() - 8);
+    }
+
+    public static final Pattern DEFAULT_LABEL_FORMATTER = Pattern.compile("^[0-9]{4}-[0-9]{2}-[0-9]{2}-[0-9]{2}:[0-9]{2}:[0-9]{2}$");
+
+    public String getDisplayLabel() {
+        if (label.isEmpty() || (DEFAULT_LABEL_FORMATTER.matcher(label).matches()))
+            return ("#" + addressIndex);
+        else
+            return label;
+    }
+}

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

@@ -20,6 +20,8 @@ import android.os.Parcel;
 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 {
@@ -52,6 +54,10 @@ public class TxData implements Parcelable {
         return amount;
     }
 
+    public double getAmountAsDouble() {
+        return 1.0 * amount / Helper.ONE_XMR;
+    }
+
     public int getMixin() {
         return mixin;
     }
@@ -68,6 +74,10 @@ public class TxData implements Parcelable {
         this.amount = amount;
     }
 
+    public void setAmount(double amount) {
+        this.amount = Wallet.getAmountFromDouble(amount);
+    }
+
     public void setMixin(int mixin) {
         this.mixin = mixin;
     }

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

@@ -18,11 +18,23 @@ package com.m2049r.xmrwallet.data;
 
 import android.os.Parcel;
 
-public class TxDataBtc extends TxData {
+import androidx.annotation.NonNull;
 
-    private String xmrtoUuid;
+import lombok.Getter;
+import lombok.Setter;
+
+public class TxDataBtc extends TxData {
+    @Getter
+    @Setter
+    private String btcSymbol; // the actual non-XMR thing we're sending
+    @Getter
+    @Setter
+    private String xmrtoOrderId; // shown in success screen
+    @Getter
+    @Setter
     private String btcAddress;
-    private String bip70;
+    @Getter
+    @Setter
     private double btcAmount;
 
     public TxDataBtc() {
@@ -33,44 +45,12 @@ public class TxDataBtc extends TxData {
         super(txDataBtc);
     }
 
-    public String getXmrtoUuid() {
-        return xmrtoUuid;
-    }
-
-    public void setXmrtoUuid(String xmrtoUuid) {
-        this.xmrtoUuid = xmrtoUuid;
-    }
-
-    public String getBtcAddress() {
-        return btcAddress;
-    }
-
-    public void setBtcAddress(String btcAddress) {
-        this.btcAddress = btcAddress;
-    }
-
-    public String getBip70() {
-        return bip70;
-    }
-
-    public void setBip70(String bip70) {
-        this.bip70 = bip70;
-    }
-
-    public double getBtcAmount() {
-        return btcAmount;
-    }
-
-    public void setBtcAmount(double btcAmount) {
-        this.btcAmount = btcAmount;
-    }
-
     @Override
     public void writeToParcel(Parcel out, int flags) {
         super.writeToParcel(out, flags);
-        out.writeString(xmrtoUuid);
+        out.writeString(btcSymbol);
+        out.writeString(xmrtoOrderId);
         out.writeString(btcAddress);
-        out.writeString(bip70);
         out.writeDouble(btcAmount);
     }
 
@@ -87,23 +67,35 @@ public class TxDataBtc extends TxData {
 
     protected TxDataBtc(Parcel in) {
         super(in);
-        xmrtoUuid = in.readString();
+        btcSymbol = in.readString();
+        xmrtoOrderId = in.readString();
         btcAddress = in.readString();
-        bip70 = in.readString();
         btcAmount = in.readDouble();
     }
 
+    @NonNull
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();
-        sb.append(",xmrtoUuid:");
-        sb.append(xmrtoUuid);
+        sb.append("xmrtoOrderId:");
+        sb.append(xmrtoOrderId);
+        sb.append(",btcSymbol:");
+        sb.append(btcSymbol);
         sb.append(",btcAddress:");
         sb.append(btcAddress);
-        sb.append(",bip70:");
-        sb.append(bip70);
         sb.append(",btcAmount:");
         sb.append(btcAmount);
         return sb.toString();
     }
+
+    public boolean validateAddress(@NonNull String address) {
+        if ((btcSymbol == null) || (btcAddress == null)) return false;
+        final Crypto crypto = Crypto.withSymbol(btcSymbol);
+        if (crypto == null) return false;
+        if (crypto.isCasefull()) { // compare as-is
+            return address.equals(btcAddress);
+        } else { // normalize & compare (e.g. ETH with and without checksum capitals
+            return address.toLowerCase().equals(btcAddress.toLowerCase());
+        }
+    }
 }

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

@@ -16,18 +16,19 @@
 
 package com.m2049r.xmrwallet.data;
 
-import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+import com.m2049r.xmrwallet.service.shift.sideshift.api.CreateOrder;
+import com.m2049r.xmrwallet.util.Helper;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import timber.log.Timber;
-
 public class UserNotes {
     public String txNotes = "";
     public String note = "";
+    public String xmrtoTag = null;
     public String xmrtoKey = null;
     public String xmrtoAmount = null; // could be a double - but we are not doing any calculations
+    public String xmrtoCurrency = null;
     public String xmrtoDestination = null;
 
     public UserNotes(final String txNotes) {
@@ -35,13 +36,15 @@ public class UserNotes {
             return;
         }
         this.txNotes = txNotes;
-        Pattern p = Pattern.compile("^\\{(xmrto-\\w{6}),([0-9.]*)BTC,(\\w*)\\} ?(.*)");
+        Pattern p = Pattern.compile("^\\{([a-z]+)-(\\w{6,}),([0-9.]*)([A-Z]+),(\\w*)\\} ?(.*)");
         Matcher m = p.matcher(txNotes);
         if (m.find()) {
-            xmrtoKey = m.group(1);
-            xmrtoAmount = m.group(2);
-            xmrtoDestination = m.group(3);
-            note = m.group(4);
+            xmrtoTag = m.group(1);
+            xmrtoKey = m.group(2);
+            xmrtoAmount = m.group(3);
+            xmrtoCurrency = m.group(4);
+            xmrtoDestination = m.group(5);
+            note = m.group(6);
         } else {
             note = txNotes;
         }
@@ -56,12 +59,15 @@ public class UserNotes {
         txNotes = buildTxNote();
     }
 
-    public void setXmrtoStatus(QueryOrderStatus xmrtoStatus) {
-        if (xmrtoStatus != null) {
-            xmrtoKey = xmrtoStatus.getUuid();
-            xmrtoAmount = String.valueOf(xmrtoStatus.getBtcAmount());
-            xmrtoDestination = xmrtoStatus.getBtcDestAddress();
+    public void setXmrtoOrder(CreateOrder order) {
+        if (order != null) {
+            xmrtoTag = order.TAG;
+            xmrtoKey = order.getOrderId();
+            xmrtoAmount = Helper.getDisplayAmount(order.getBtcAmount());
+            xmrtoCurrency = order.getBtcCurrency();
+            xmrtoDestination = order.getBtcAddress();
         } else {
+            xmrtoTag = null;
             xmrtoKey = null;
             xmrtoAmount = null;
             xmrtoDestination = null;
@@ -70,15 +76,18 @@ public class UserNotes {
     }
 
     private String buildTxNote() {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         if (xmrtoKey != null) {
             if ((xmrtoAmount == null) || (xmrtoDestination == null))
                 throw new IllegalArgumentException("Broken notes");
             sb.append("{");
+            sb.append(xmrtoTag);
+            sb.append("-");
             sb.append(xmrtoKey);
             sb.append(",");
             sb.append(xmrtoAmount);
-            sb.append("BTC,");
+            sb.append(xmrtoCurrency);
+            sb.append(",");
             sb.append(xmrtoDestination);
             sb.append("}");
             if ((note != null) && (!note.isEmpty()))

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())
-                .setView(view)
-                .setNegativeButton(R.string.help_ok,
-                        new DialogInterface.OnClickListener() {
-                            @Override
-                            public void onClick(DialogInterface dialog, int id) {
+        MaterialAlertDialogBuilder builder =
+                new MaterialAlertDialogBuilder(requireActivity())
+                        .setView(view);
+        if (torButton) {
+            builder.setNegativeButton(R.string.help_nok,
+                    (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();
     }
 }