bump version

Fix node port input field (#943 )
Weblate (#996 )
2025-09-02 15:53:04 +02:00 · 2025-06-17 19:27:03 +02:00 · 2025-06-15 22:48:39 +02:00 · 2025-06-15 22:46:11 +02:00 · 2025-06-15 22:44:52 +02:00 · 2025-06-15 22:42:57 +02:00
455 changed files with 20998 additions and 14557 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,13 +3,11 @@ jobs:
  build:
    working_directory: ~/code
    docker:
-      - image: circleci/android:api-28-ndk
+      - image: cimg/android:2023.12-ndk
    environment:
      JVM_OPTS: -Xmx3200m
    steps:
      - checkout
-      - run: yes | sdkmanager --licenses || exit 0
-      - run: yes | sdkmanager --update || exit 0
      - restore_cache:
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
      - run:
--- a/.gitignore
+++ b/.gitignore
@@ -8,10 +8,9 @@
 .DS_Store
 /app/build
 /app/release
-/app/alpha
-/app/prod
-/app/alphaMainnet
-/app/prodMainnet
-/app/alphaStagenet
-/app/prodStagenet
+/app/alpha*
+/app/prod*
 /app/.cxx
+/monerujo.id
+/external-libs/VERSION
+/external-libs/include/wallet2_api.h
--- a/README.md
+++ b/README.md
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -1,4 +1,5 @@
 cmake_minimum_required(VERSION 3.4.1)
+project(monerujo)
 message(STATUS ABI_INFO  = ${ANDROID_ABI})

 add_library( monerujo
@@ -121,7 +122,7 @@ set_target_properties(easylogging PROPERTIES IMPORTED_LOCATION

 add_library(unbound STATIC IMPORTED)
 set_target_properties(unbound PROPERTIES IMPORTED_LOCATION
-    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libunbound.a)
+    ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/libunbound.a)

 add_library(epee STATIC IMPORTED)
 set_target_properties(epee PROPERTIES IMPORTED_LOCATION
@@ -171,6 +172,10 @@ add_library(wallet-crypto STATIC IMPORTED)
 set_target_properties(wallet-crypto PROPERTIES IMPORTED_LOCATION
        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libwallet-crypto.a)

+add_library(cryptonote_format_utils_basic STATIC IMPORTED)
+set_target_properties(cryptonote_format_utils_basic PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/${ANDROID_ABI}/monero/libcryptonote_format_utils_basic.a)
+
 #############
 # System
 #############
@@ -193,6 +198,7 @@ target_link_libraries(  monerujo
                        wallet
                        cryptonote_core
                        cryptonote_basic
+                        cryptonote_format_utils_basic
                        mnemonics
                        ringct
                        ringct_basic
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,14 +1,15 @@
 apply plugin: 'com.android.application'

 android {
-    compileSdkVersion 29
-    buildToolsVersion '29.0.3'
+    ndkVersion '17.2.4988734'
    defaultConfig {
        applicationId "com.m2049r.xmrwallet"
+        buildToolsVersion = '35.0.0'
+        compileSdk 35
        minSdkVersion 21
-        targetSdkVersion 29
-        versionCode 708
-        versionName "1.17.8 'Druk'"
+        targetSdkVersion 35
+        versionCode 4107
+        versionName "4.1.7 'Exolix'"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        externalNativeBuild {
            cmake {
@@ -23,7 +24,7 @@ android {
        }
    }

-    flavorDimensions 'type', 'net'
+    flavorDimensions = ['type', 'net']
    productFlavors {
        mainnet {
            dimension 'net'
@@ -57,7 +58,7 @@ android {
            applicationIdSuffix ".debug"
        }
        applicationVariants.all { variant ->
-            variant.buildConfigField "String", "ID_A", "\"" + getId("ID_A") + "\""
+            variant.buildConfigField "String", "ID_F", "\"" + getId("ID_F") + "\""
        }
    }

@@ -71,7 +72,7 @@ android {
        abi {
            enable true
            reset()
-            include 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
+            include 'armeabi-v7a', 'arm64-v8a', 'x86_64'
            universalApk true
        }
    }
@@ -107,47 +108,70 @@ android {
    }

    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    namespace 'com.m2049r.xmrwallet'
+    buildFeatures {
+        buildConfig true
+    }
+
+    testOptions {
+        unitTests {
+            all {
+                jvmArgs '--add-opens=java.base/java.lang=ALL-UNNAMED'
+            }
+        }
+    }
+
+    lint {
+        disable "MissingTranslation" // Translation is crowd-sourced.
    }
 }

-def getId(name) {
-    def Properties props = new Properties()
+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'
+    implementation(platform('org.jetbrains.kotlin:kotlin-bom:2.1.21'))
+
+    implementation 'androidx.core:core:1.16.0'
+    implementation 'androidx.appcompat:appcompat:1.7.1'
    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.4.0'
    implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.2.1'
+    implementation 'androidx.preference:preference:1.2.1'
+
+    implementation 'com.google.android.material:material:1.12.0'
+
+    implementation 'com.google.guava:guava:33.4.8-android'

    implementation 'me.dm7.barcodescanner:zxing:1.9.8'
-    implementation "com.squareup.okhttp3:okhttp:4.9.0"
-    implementation "com.burgstaller:okhttp-digest:2.1"
-    implementation "com.jakewharton.timber:timber:4.7.1"
+    implementation "com.squareup.okhttp3:okhttp:4.12.0"
+    implementation 'io.github.rburgst:okhttp-digest:3.1.1'
+    implementation "com.jakewharton.timber:timber:5.0.1"

-    implementation 'com.nulab-inc:zxcvbn:1.3.0'
+    implementation 'info.guardianproject.netcipher:netcipher:2.1.0'
+    //implementation 'info.guardianproject.netcipher:netcipher-okhttp3:2.1.0'
+    implementation fileTree(dir: 'libs/classes', include: ['*.jar'])
+    implementation 'com.nulab-inc:zxcvbn:1.9.0'

-    implementation 'dnsjava:dnsjava:2.1.9'
-    implementation 'org.jitsi:dnssecjava:1.2.0'
-    implementation 'org.slf4j:slf4j-nop:1.7.30'
+    implementation 'dnsjava:dnsjava:3.6.3'
+    implementation 'org.slf4j:slf4j-nop:2.0.17'
    implementation 'com.github.brnunes:swipeablerecyclerview:1.0.2'

-    implementation 'com.github.aelstad:keccakj:1.1.0'
+    //noinspection GradleDependency
+    testImplementation "junit:junit:4.13.2"
+    testImplementation "org.mockito:mockito-all:1.10.19"
+    testImplementation "com.squareup.okhttp3:mockwebserver:4.12.0"
+    testImplementation 'org.json:json:20250517'
+    testImplementation 'net.jodah:concurrentunit:0.4.6'

-    testImplementation "junit:junit:$rootProject.ext.junitVersion"
-    testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
-    testImplementation "com.squareup.okhttp3:mockwebserver:4.9.0"
-    testImplementation 'org.json:json:20180813'
-    testImplementation 'net.jodah:concurrentunit:0.4.4'
-
-    compileOnly 'org.projectlombok:lombok:1.18.16'
-    annotationProcessor 'org.projectlombok:lombok:1.18.16'
+    compileOnly 'org.projectlombok:lombok:1.18.38'
+    annotationProcessor 'org.projectlombok:lombok:1.18.38'
 }
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,33 +1,59 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.m2049r.xmrwallet">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">

+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
    <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" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
+
+    <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:requestLegacyExternalStorage="true"
        android:name=".XmrWalletApplication"
        android:allowBackup="false"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
+        android:preserveLegacyExternalStorage="true"
        android:supportsRtl="true"
-        android:theme="@style/MyMaterialTheme"
+        android:theme="@style/MyMaterialThemeClassic"
        android:usesCleartextTraffic="true">
        <activity
            android:name=".MainActivity"
            android:configChanges="orientation|keyboardHidden|uiMode"
+            android:exported="true"
            android:launchMode="singleTop"
            android:screenOrientation="portrait">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
+
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
@@ -36,27 +62,28 @@
            android:configChanges="orientation|keyboardHidden|uiMode"
            android:label="@string/wallet_activity_name"
            android:launchMode="singleTask"
-            android:screenOrientation="behind"/>
+            android:screenOrientation="behind" />
        <activity
            android:name=".LoginActivity"
-            android:configChanges="orientation|keyboardHidden|uiMode"
+            android:configChanges="orientation|keyboardHidden"
+            android:exported="true"
            android:label="@string/app_name"
            android:launchMode="singleTop"
            android:screenOrientation="locked">
            <intent-filter>
                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
            </intent-filter>
-
            <intent-filter android:label="@string/app_name">
                <action android:name="android.intent.action.VIEW" />
+
                <data android:scheme="monero" />

                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
            </intent-filter>
-
            <intent-filter android:label="@string/app_name">
                <action android:name="android.intent.action.VIEW" />
+
                <data android:scheme="bitcoin" />

                <category android:name="android.intent.category.DEFAULT" />
@@ -77,7 +104,12 @@
            android:name=".service.WalletService"
            android:description="@string/service_description"
            android:exported="false"
-            android:label="Monero Wallet Service" />
+            android:foregroundServiceType="specialUse"
+            android:label="Monero Wallet Service">
+            <property
+                android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
+                android:value="Keeps app in sync with the blockchain" />
+        </service>

        <provider
            android:name="androidx.core.content.FileProvider"
@@ -89,4 +121,5 @@
                android:resource="@xml/filepaths" />
        </provider>
    </application>
+
 </manifest>
--- a/app/src/main/cpp/monerujo.cpp
+++ b/app/src/main/cpp/monerujo.cpp
--- a/app/src/main/cpp/monerujo.h
+++ b/app/src/main/cpp/monerujo.h
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2017 m2049r
+ * Copyright (c) 2017-2024 m2049r
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -19,6 +19,8 @@

 #include <jni.h>

+#include <string>
+
 /*
 #include <android/log.h>

@@ -28,6 +30,10 @@
 #define  LOGE(...)  __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
 */

+void ThrowException(JNIEnv *jenv, const char* type, const char* msg) {
+    jenv->ThrowNew(jenv->FindClass(type), msg);
+}
+
 jfieldID getHandleField(JNIEnv *env, jobject obj, const char *fieldName = "handle") {
    jclass c = env->GetObjectClass(obj);
    return env->GetFieldID(c, fieldName, "J"); // of type long
@@ -35,8 +41,16 @@ jfieldID getHandleField(JNIEnv *env, jobject obj, const char *fieldName = "handl

 template<typename T>
 T *getHandle(JNIEnv *env, jobject obj, const char *fieldName = "handle") {
+    return reinterpret_cast<T *>(env->GetLongField(obj, getHandleField(env, obj, fieldName)));
+}
+
+template<typename T>
+void destroyNativeObject(JNIEnv *env, T nativeObjectHandle, jobject obj, const char *fieldName = "handle") {
    jlong handle = env->GetLongField(obj, getHandleField(env, obj, fieldName));
-    return reinterpret_cast<T *>(handle);
+    if (handle != 0) {
+        ThrowException(env, "java/lang/IllegalStateException", "invalid handle (destroy)");
+    }
+    delete reinterpret_cast<T *>(nativeObjectHandle);
 }

 void setHandleFromLong(JNIEnv *env, jobject obj, jlong handle) {
@@ -54,7 +68,7 @@ extern "C"
 {
 #endif

-extern const char* const MONERO_VERSION; // the actual monero core version
+extern const char *const MONERO_VERSION; // the actual monero core version

 // from monero-core crypto/hash-ops.h - avoid #including monero code here
 enum {
@@ -62,18 +76,40 @@ enum {
    HASH_DATA_AREA = 136
 };

-void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height);
+void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed,
+                  uint64_t height);

 inline void slow_hash(const void *data, const size_t length, char *hash) {
    cn_slow_hash(data, length, hash, 0 /*variant*/, 0 /*prehashed*/, 0 /*height*/);
 }

 inline void slow_hash_broken(const void *data, char *hash, int variant) {
-    cn_slow_hash(data, 200 /*sizeof(union hash_state)*/, hash, variant, 1 /*prehashed*/, 0 /*height*/);
+    cn_slow_hash(data, 200 /*sizeof(union hash_state)*/, hash, variant, 1 /*prehashed*/,
+                 0 /*height*/);
 }
-
 #ifdef __cplusplus
 }
 #endif

+namespace Monerujo {
+    class SidekickWallet {
+    public:
+        enum Status {
+            Status_Ok,
+            Status_Error,
+            Status_Critical
+        };
+
+        SidekickWallet(uint8_t networkType, std::string a, std::string b);
+
+        ~SidekickWallet();
+
+        std::string call(int commandId, const std::string &request);
+
+        void reset();
+
+        Status status() const;
+
+    };
+}
 #endif //XMRWALLET_WALLET_LIB_H
--- a/app/src/main/ic_launcher-playstore.png
+++ b/app/src/main/ic_launcher-playstore.png
--- a/app/src/main/java/com/btchip/comm/BTChipTransport.java
+++ b/app/src/main/java/com/btchip/comm/BTChipTransport.java
@@ -20,8 +20,6 @@

 package com.btchip.comm;

-import com.btchip.BTChipException;
-
 public interface BTChipTransport {
    byte[] exchange(byte[] command);

--- a/app/src/main/java/com/btchip/comm/android/BTChipTransportAndroidHID.java
+++ b/app/src/main/java/com/btchip/comm/android/BTChipTransportAndroidHID.java
@@ -28,7 +28,6 @@ import android.hardware.usb.UsbInterface;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbRequest;

-import com.btchip.BTChipException;
 import com.btchip.comm.BTChipTransport;
 import com.btchip.comm.LedgerHelper;
 import com.btchip.utils.Dump;
@@ -78,7 +77,7 @@ public class BTChipTransportAndroidHID implements BTChipTransport {
    }

    private static final int VID = 0x2C97;
-    private static final int[] PID_HIDS = {0x0001, 0x0004};
+    private static final int[] PID_HIDS = {0x0001, 0x0004, 0x0005};

    private UsbDeviceConnection connection;
    private UsbInterface dongleInterface;
--- a/app/src/main/java/com/m2049r/levin/scanner/Dispatcher.java
+++ b/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
--- a/app/src/main/java/com/m2049r/xmrwallet/BaseActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/BaseActivity.java
--- a/app/src/main/java/com/m2049r/xmrwallet/BluetoothFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/BluetoothFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/GenerateFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/GenerateFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/GenerateReviewFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/GenerateReviewFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/LockFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/LockFragment.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2024 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.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import timber.log.Timber;
+
+public class LockFragment extends Fragment {
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        Timber.d("onCreateView");
+        final FrameLayout frame = new FrameLayout(requireContext());
+        frame.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
+        return frame;
+    }
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java
--- a/app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/LoginFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/MainActivity.java
@@ -20,7 +20,6 @@ import android.content.Intent;
 import android.os.Bundle;

 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AppCompatActivity;

 import com.m2049r.xmrwallet.onboarding.OnBoardingActivity;
 import com.m2049r.xmrwallet.onboarding.OnBoardingManager;
--- a/app/src/main/java/com/m2049r/xmrwallet/NodeFragment.java
+++ b/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;
@@ -32,6 +31,8 @@ import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;

+import androidx.activity.OnBackPressedCallback;
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
@@ -59,7 +60,6 @@ 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;
@@ -69,7 +69,7 @@ public class NodeFragment extends Fragment

    static private int NODES_TO_FIND = 10;

-    static private NumberFormat FORMATTER = NumberFormat.getInstance();
+    static private final NumberFormat FORMATTER = NumberFormat.getInstance();

    private SwipeRefreshLayout pullToRefresh;
    private TextView tvPull;
@@ -105,7 +105,7 @@ public class NodeFragment extends Fragment
    }

    @Override
-    public void onAttach(Context context) {
+    public void onAttach(@NonNull Context context) {
        super.onAttach(context);
        if (context instanceof Listener) {
            this.activityCallback = (Listener) context;
@@ -147,6 +147,13 @@ public class NodeFragment extends Fragment
        }
    }

+    private final OnBackPressedCallback onBackPressedCallback = new OnBackPressedCallback(false) {
+        @Override
+        public void handleOnBackPressed() {
+            Toast.makeText(requireActivity(), getString(R.string.node_refresh_wait), Toast.LENGTH_LONG).show();
+        }
+    };
+
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
@@ -189,6 +196,7 @@ public class NodeFragment extends Fragment

    private boolean refresh(int type) {
        if (asyncFindNodes != null) return false; // ignore refresh request as one is ongoing
+        onBackPressedCallback.setEnabled(true);
        asyncFindNodes = new AsyncFindNodes();
        updateRefreshElements();
        asyncFindNodes.execute(type);
@@ -199,10 +207,11 @@ public class NodeFragment extends Fragment
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
+        requireActivity().getOnBackPressedDispatcher().addCallback(this, onBackPressedCallback);
    }

    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+    public void onCreateOptionsMenu(@NonNull Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.node_menu, menu);
        super.onCreateOptionsMenu(menu, inflater);
    }
@@ -219,8 +228,8 @@ 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 +237,23 @@ 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();
+            }
        }
    }

@@ -282,8 +290,7 @@ public class NodeFragment extends Fragment
            } else if (params[0] == SCAN) {
                // otherwise scan the network
                Timber.d("scanning");
-                Set<NodeInfo> seedList = new HashSet<>();
-                seedList.addAll(nodeList);
+                Set<NodeInfo> seedList = new HashSet<>(nodeList);
                nodeList.clear();
                Timber.d("seed %d", seedList.size());
                Dispatcher d = new Dispatcher(info -> publishProgress(info));
@@ -345,6 +352,7 @@ public class NodeFragment extends Fragment

        private void complete() {
            asyncFindNodes = null;
+            onBackPressedCallback.setEnabled(false);
            if (!isAdded()) return;
            //if (isCancelled()) return;
            tvPull.setText(getString(R.string.node_pull_hint));
@@ -404,16 +412,12 @@ 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) {
@@ -451,7 +455,7 @@ public class NodeFragment extends Fragment

        private void closeDialog() {
            if (editDialog == null) throw new IllegalStateException();
-            Helper.hideKeyboardAlways(getActivity());
+            Helper.hideKeyboardAlways(requireActivity());
            editDialog.dismiss();
            editDialog = null;
            NodeFragment.this.editDialog = null;
@@ -524,7 +528,7 @@ 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 +537,10 @@ 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 +548,13 @@ 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;
            });
        }

@@ -588,11 +580,13 @@ public class NodeFragment extends Fragment
                    if (nodeBackup == null) {
                        nodesAdapter.addNode(nodeInfo);
                    } else {
-                        nodesAdapter.dataSetChanged();
+                        nodesAdapter.setNodes();
                    }
+                    nodesAdapter.notifyItemChanged(nodeInfo);
                }
            }
        }
+
    }

    void restoreDefaultNodes() {
--- a/app/src/main/java/com/m2049r/xmrwallet/OnBlockUpdateListener.java
+++ b/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);
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/ScannerFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/ScannerFragment.java
@@ -19,12 +19,14 @@ package com.m2049r.xmrwallet;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.Handler;
-import androidx.fragment.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;

+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.Result;

@@ -42,7 +44,7 @@ public class ScannerFragment extends Fragment implements ZXingScannerView.Result
    private ZXingScannerView mScannerView;

    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        Timber.d("onCreateView");
        mScannerView = new ZXingScannerView(getActivity());
        return mScannerView;
@@ -84,7 +86,7 @@ public class ScannerFragment extends Fragment implements ZXingScannerView.Result
    }

    @Override
-    public void onAttach(Context context) {
+    public void onAttach(@NonNull Context context) {
        super.onAttach(context);
        if (context instanceof OnScannedListener) {
            this.onScannedListener = (OnScannedListener) context;
--- a/app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java
@@ -16,6 +16,8 @@

 package com.m2049r.xmrwallet;

+import static android.view.WindowManager.LayoutParams;
+
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Build;
@@ -29,8 +31,6 @@ import com.m2049r.xmrwallet.util.LocaleHelper;

 import java.util.Locale;

-import static android.view.WindowManager.LayoutParams;
-
 public abstract class SecureActivity extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -66,11 +66,7 @@ public abstract class SecureActivity extends AppCompatActivity {

        Locale locale = LocaleHelper.getPreferredLocale(this);
        if (locale != null) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
-                config.setLocale(locale);
-            } else {
-                config.locale = locale;
-            }
+            config.setLocale(locale);
        }
        return config;
    }
--- a/app/src/main/java/com/m2049r/xmrwallet/SettingsFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/SettingsFragment.java
@@ -0,0 +1,126 @@
+package com.m2049r.xmrwallet;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.StyleRes;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.PreferenceManager;
+
+import com.m2049r.xmrwallet.dialog.AboutFragment;
+import com.m2049r.xmrwallet.dialog.CreditsFragment;
+import com.m2049r.xmrwallet.dialog.PrivacyFragment;
+import com.m2049r.xmrwallet.util.DayNightMode;
+import com.m2049r.xmrwallet.util.LocaleHelper;
+import com.m2049r.xmrwallet.util.NightmodeHelper;
+import com.m2049r.xmrwallet.util.ThemeHelper;
+import com.m2049r.xmrwallet.widget.Toolbar;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Locale;
+
+import timber.log.Timber;
+
+public class SettingsFragment extends PreferenceFragmentCompat
+        implements SharedPreferences.OnSharedPreferenceChangeListener {
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        setPreferencesFromResource(R.xml.root_preferences, rootKey);
+
+        findPreference(getString(R.string.about_info)).setOnPreferenceClickListener(preference -> {
+            AboutFragment.display(getParentFragmentManager());
+            return true;
+        });
+        findPreference(getString(R.string.privacy_info)).setOnPreferenceClickListener(preference -> {
+            PrivacyFragment.display(getParentFragmentManager());
+            return true;
+        });
+        findPreference(getString(R.string.credits_info)).setOnPreferenceClickListener(preference -> {
+            CreditsFragment.display(getParentFragmentManager());
+            return true;
+        });
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if (key.equals(getString(R.string.preferred_locale))) {
+            activity.recreate();
+        } else if (key.equals(getString(R.string.preferred_nightmode))) {
+            NightmodeHelper.setNightMode(DayNightMode.valueOf(sharedPreferences.getString(key, "AUTO")));
+        } else if (key.equals(getString(R.string.preferred_theme))) {
+            ThemeHelper.setTheme((Activity) activity, sharedPreferences.getString(key, "Classic"));
+            activity.recreate();
+        }
+    }
+
+    private SettingsFragment.Listener activity;
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        if (context instanceof SettingsFragment.Listener) {
+            activity = (SettingsFragment.Listener) context;
+        } else {
+            throw new ClassCastException(context + " must implement Listener");
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Timber.d("onResume()");
+        activity.setSubtitle(getString(R.string.menu_settings));
+        activity.setToolbarButton(Toolbar.BUTTON_BACK);
+        populateLanguages();
+        PreferenceManager.getDefaultSharedPreferences(requireContext())
+                .registerOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        PreferenceManager.getDefaultSharedPreferences(requireContext())
+                .unregisterOnSharedPreferenceChangeListener(this);
+    }
+
+    public interface Listener {
+        void setToolbarButton(int type);
+
+        void setSubtitle(String title);
+
+        void recreate();
+
+        void setTheme(@StyleRes final int resId);
+    }
+
+    public void populateLanguages() {
+        ListPreference language = findPreference(getString(R.string.preferred_locale));
+        assert language != null;
+
+        final ArrayList<Locale> availableLocales = LocaleHelper.getAvailableLocales(requireContext());
+        Collections.sort(availableLocales, (locale1, locale2) -> {
+            String localeString1 = LocaleHelper.getDisplayName(locale1, true);
+            String localeString2 = LocaleHelper.getDisplayName(locale2, true);
+            return localeString1.compareTo(localeString2);
+        });
+
+        String[] localeDisplayNames = new String[1 + availableLocales.size()];
+        localeDisplayNames[0] = getString(R.string.language_system_default);
+        for (int i = 1; i < localeDisplayNames.length; i++) {
+            localeDisplayNames[i] = LocaleHelper.getDisplayName(availableLocales.get(i - 1), true);
+        }
+        language.setEntries(localeDisplayNames);
+
+        String[] languageTags = new String[1 + availableLocales.size()];
+        languageTags[0] = "";
+        for (int i = 1; i < languageTags.length; i++) {
+            languageTags[i] = availableLocales.get(i - 1).toLanguageTag();
+        }
+        language.setEntryValues(languageTags);
+    }
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/SidekickConnectFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/SidekickConnectFragment.java
@@ -0,0 +1,188 @@
+/*
+ * 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;
+
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothClass;
+import android.bluetooth.BluetoothDevice;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.app.ActivityCompat;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
+import com.m2049r.xmrwallet.data.BluetoothInfo;
+import com.m2049r.xmrwallet.layout.BluetoothInfoAdapter;
+import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.widget.Toolbar;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import timber.log.Timber;
+
+public class SidekickConnectFragment extends Fragment
+        implements BluetoothInfoAdapter.OnInteractionListener {
+
+    private BluetoothAdapter bluetoothAdapter;
+
+    private SwipeRefreshLayout pullToRefresh;
+
+    private BluetoothInfoAdapter infoAdapter;
+
+    private Listener activityCallback;
+
+    public interface Listener {
+        void setToolbarButton(int type);
+
+        void setSubtitle(String title);
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        if (context instanceof Listener) {
+            this.activityCallback = (Listener) context;
+        } else {
+            throw new ClassCastException(context + " must implement Listener");
+        }
+    }
+
+    @Override
+    public void onPause() {
+        Timber.d("onPause()");
+        if (ActivityCompat.checkSelfPermission(requireContext(), android.Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED) {
+            Toast.makeText(requireContext(), "Bluetooth permission not granted", Toast.LENGTH_LONG).show();
+        } else {
+            if (bluetoothAdapter.isDiscovering()) {
+                bluetoothAdapter.cancelDiscovery();
+            }
+        }
+        super.onPause();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Timber.d("onResume()");
+        activityCallback.setSubtitle(getString(R.string.label_bluetooth));
+        activityCallback.setToolbarButton(Toolbar.BUTTON_BACK);
+        final BluetoothFragment btFragment = (BluetoothFragment) getChildFragmentManager().findFragmentById(R.id.bt_fragment);
+        assert btFragment != null;
+        btFragment.start();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        Timber.d("onCreateView");
+        View view = inflater.inflate(R.layout.fragment_sidekick_connect, container, false);
+
+        RecyclerView recyclerView = view.findViewById(R.id.list);
+        infoAdapter = new BluetoothInfoAdapter(this);
+        recyclerView.setAdapter(infoAdapter);
+
+        pullToRefresh = view.findViewById(R.id.pullToRefresh);
+        pullToRefresh.setOnRefreshListener(() -> {
+            populateList();
+            pullToRefresh.setRefreshing(false);
+        });
+
+        return view;
+    }
+
+    private void populateList() {
+        List<BluetoothInfo> items = new ArrayList<>();
+        if (ActivityCompat.checkSelfPermission(requireContext(), android.Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED) {
+            Toast.makeText(requireContext(), "Bluetooth permission not granted", Toast.LENGTH_LONG).show();
+            return;
+        }
+        for (BluetoothDevice device : bluetoothAdapter.getBondedDevices()) {
+            final int deviceCLass = device.getBluetoothClass().getDeviceClass();
+            switch (deviceCLass) {
+                case BluetoothClass.Device.PHONE_SMART:
+                    //TODO verify these are correct
+                case BluetoothClass.Device.COMPUTER_HANDHELD_PC_PDA:
+                case BluetoothClass.Device.COMPUTER_PALM_SIZE_PC_PDA:
+                    items.add(new BluetoothInfo(device));
+            }
+        }
+        infoAdapter.setItems(items);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        Helper.hideKeyboard(getActivity());
+
+        // Get the local Bluetooth adapter
+        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+        populateList();
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(@NonNull Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.sidekick_connect_menu, menu);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+
+        // Make sure we're not doing discovery anymore
+        if (bluetoothAdapter != null) {
+            if (ActivityCompat.checkSelfPermission(requireContext(), android.Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED) {
+                Toast.makeText(requireContext(), "Bluetooth permission not granted", Toast.LENGTH_LONG).show();
+                return;
+            }
+            bluetoothAdapter.cancelDiscovery();
+        }
+    }
+
+    @Override
+    public void onInteraction(final View view, final BluetoothInfo item) {
+        Timber.d("onInteraction %s", item);
+        if (ActivityCompat.checkSelfPermission(requireContext(), android.Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED)
+            throw new IllegalStateException("Bluetooth permission not granted");
+        bluetoothAdapter.cancelDiscovery();
+
+        final BluetoothFragment btFragment = (BluetoothFragment) getChildFragmentManager().findFragmentById(R.id.bt_fragment);
+        assert btFragment != null;
+        btFragment.connectDevice(item.getAddress());
+    }
+
+    public void allowClick() {
+        infoAdapter.allowClick(true);
+    }
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/SubaddressFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/SubaddressFragment.java
@@ -0,0 +1,242 @@
+/*
+ * 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.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);
+
+        void saveWallet();
+    }
+
+    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);
+        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);
+    }
+
+    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.Ledger) && (progressCallback != null)) {
+                progressCallback.showLedgerProgressDialog(LedgerProgressDialog.TYPE_SUBADDRESS);
+                dialogOpened = true;
+            }
+        }
+
+        @Override
+        protected Boolean doInBackground(Void... params) {
+            if (params.length != 0) return false;
+            wallet.getNewSubaddress();
+            if (activityCallback != null) {
+                activityCallback.saveWallet();
+            }
+            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, @NonNull 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;
+    }
+
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/SubaddressInfoFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/SubaddressInfoFragment.java
@@ -0,0 +1,180 @@
+/*
+ * 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 androidx.transition.Transition;
+import androidx.transition.TransitionInflater;
+
+import com.google.android.material.textfield.TextInputLayout;
+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.widget.Toolbar;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import timber.log.Timber;
+
+public class SubaddressInfoFragment extends Fragment
+        implements TransactionInfoAdapter.Listener, OnBlockUpdateListener {
+    private TransactionInfoAdapter adapter;
+
+    private Subaddress subaddress;
+
+    private TextInputLayout etName;
+    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);
+        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();
+        assert b != null;
+        final int subaddressIndex = b.getInt("subaddressIndex");
+        subaddress = wallet.getSubaddressObject(subaddressIndex);
+
+        etName.getEditText().setText(subaddress.getDisplayLabel());
+        final TextView tvAddress = view.findViewById(R.id.tvAddress);
+        tvAddress.setText(requireContext().getString(R.string.subbaddress_info_subtitle,
+                subaddress.getAddressIndex(), subaddress.getAddress()));
+
+        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);
+        Transition transform = TransitionInflater.from(requireContext())
+                .inflateTransition(R.transition.details);
+        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);
+
+        long getDaemonHeight();
+    }
+
+    @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();
+    }
+
+    @Override
+    public long getDaemonHeight() {
+        return activityCallback.getDaemonHeight();
+    }
+}
--- a/app/src/main/java/com/m2049r/xmrwallet/TxFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/TxFragment.java
--- a/app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java
--- a/app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/WalletFragment.java
--- a/Show More
+++ b/Show More