bump version v1.14.5

Various fixes & tweaks

.gitignore

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

app/CMakeLists.txt

@@ -155,6 +155,18 @@ add_library(net STATIC IMPORTED)
 set_target_properties(net PROPERTIES IMPORTED_LOCATION
         ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libnet.a)
 
+add_library(hardforks STATIC IMPORTED)
+set_target_properties(hardforks PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/libhardforks.a)
+
+add_library(randomx STATIC IMPORTED)
+set_target_properties(randomx PROPERTIES IMPORTED_LOCATION
+        ${EXTERNAL_LIBS_DIR}/monero/lib/${ANDROID_ABI}/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)
+
 #############
 # System
 #############
@@ -188,6 +200,9 @@ target_link_libraries(  monerujo
                         device_trezor
                         multisig
                         version
+                        randomx
+                        hardforks
+                        rpc_base
 
                         boost_chrono
                         boost_date_time

app/build.gradle

@@ -2,14 +2,13 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    buildToolsVersion '29.0.2'
     defaultConfig {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 179
+        versionCode 405
-        versionName "1.11.9 'Chernushka'"
+        versionName "1.14.5 'On Board'"
-
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
@@ -93,6 +92,11 @@ android {
                 outputFileName = "$rootProject.ext.apkName-" + v + "_" + abiName + ".apk"
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
@@ -102,6 +106,7 @@ dependencies {
     implementation "com.android.support:recyclerview-v7:$rootProject.ext.supportVersion"
     implementation "com.android.support:cardview-v7:$rootProject.ext.supportVersion"
     implementation "com.android.support:swiperefreshlayout:$rootProject.ext.supportVersion"
+    implementation "com.android.support.constraint:constraint-layout:$rootProject.ext.constraintVersion"
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
 
     implementation "com.squareup.okhttp3:okhttp:$rootProject.ext.okHttpVersion"
@@ -124,5 +129,4 @@ dependencies {
     testImplementation "com.squareup.okhttp3:mockwebserver:$rootProject.ext.okHttpVersion"
     testImplementation 'org.json:json:20180813'
     testImplementation 'net.jodah:concurrentunit:0.4.4'
-
 }

app/src/main/AndroidManifest.xml

@@ -20,24 +20,27 @@
         android:supportsRtl="true"
         android:theme="@style/MyMaterialTheme"
         android:usesCleartextTraffic="true">
-
+        <activity android:name=".MainActivity"
+            android:configChanges="orientation|keyboardHidden"
+            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>
         <activity
             android:name=".WalletActivity"
             android:configChanges="orientation|keyboardHidden"
             android:label="@string/wallet_activity_name"
             android:launchMode="singleTask"
             android:screenOrientation="behind" />
-
         <activity
             android:name=".LoginActivity"
             android:configChanges="orientation|keyboardHidden"
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:screenOrientation="locked">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
             <intent-filter>
                 <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
             </intent-filter>
@@ -62,6 +65,10 @@
                 android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
                 android:resource="@xml/usb_device_filter" />
         </activity>
+        <activity android:name=".onboarding.OnBoardingActivity"
+            android:configChanges="orientation|keyboardHidden"
+            android:launchMode="singleTask"
+            android:screenOrientation="portrait"/>
 
         <service
             android:name=".service.WalletService"
@@ -79,4 +86,4 @@
                 android:resource="@xml/filepaths" />
         </provider>
     </application>
-</manifest>
+</manifest>

app/src/main/cpp/monerujo.h

@@ -54,6 +54,8 @@ extern "C"
 {
 #endif
 
+extern const char* const MONERO_VERSION; // the actual monero core version
+
 // from monero-core crypto/hash-ops.h - avoid #including monero code here
 enum {
     HASH_SIZE = 32,

app/src/main/java/com/btchip/comm/android/BTChipTransportAndroidHID.java

@@ -46,8 +46,12 @@ public class BTChipTransportAndroidHID implements BTChipTransport {
         HashMap<String, UsbDevice> deviceList = manager.getDeviceList();
         for (UsbDevice device : deviceList.values()) {
             Timber.d("%04X:%04X %s, %s", device.getVendorId(), device.getProductId(), device.getManufacturerName(), device.getProductName());
-            if ((device.getVendorId() == VID) && (device.getProductId() == PID_HID)) {
+            if (device.getVendorId() == VID) {
-                return device;
+                final int deviceProductId = device.getProductId();
+                for (int pid : PID_HIDS) {
+                    if (deviceProductId == pid)
+                        return device;
+                }
             }
         }
         return null;
@@ -74,7 +78,7 @@ public class BTChipTransportAndroidHID implements BTChipTransport {
     }
 
     private static final int VID = 0x2C97;
-    private static final int PID_HID = 0x0001;
+    private static final int[] PID_HIDS = {0x0001, 0x0004};
 
     private UsbDeviceConnection connection;
     private UsbInterface dongleInterface;

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

@@ -79,6 +79,23 @@ public class GenerateFragment extends Fragment {
 
     private String type = null;
 
+    private void clearErrorOnTextEntry(final TextInputLayout textInputLayout) {
+        textInputLayout.getEditText().addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable editable) {
+                textInputLayout.setError(null);
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+        });
+    }
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -110,6 +127,23 @@ public class GenerateFragment extends Fragment {
                 }
             }
         });
+        clearErrorOnTextEntry(etWalletName);
+
+        etWalletPassword.getEditText().addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable editable) {
+                checkPassword();
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+        });
+
         etWalletMnemonic.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
             @Override
             public void onFocusChange(View v, boolean hasFocus) {
@@ -118,6 +152,8 @@ public class GenerateFragment extends Fragment {
                 }
             }
         });
+        clearErrorOnTextEntry(etWalletMnemonic);
+
         etWalletAddress.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
             @Override
             public void onFocusChange(View v, boolean hasFocus) {
@@ -126,6 +162,8 @@ public class GenerateFragment extends Fragment {
                 }
             }
         });
+        clearErrorOnTextEntry(etWalletAddress);
+
         etWalletViewKey.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
             @Override
             public void onFocusChange(View v, boolean hasFocus) {
@@ -134,6 +172,8 @@ public class GenerateFragment extends Fragment {
                 }
             }
         });
+        clearErrorOnTextEntry(etWalletViewKey);
+
         etWalletSpendKey.getEditText().setOnFocusChangeListener(new View.OnFocusChangeListener() {
             @Override
             public void onFocusChange(View v, boolean hasFocus) {
@@ -142,6 +182,7 @@ public class GenerateFragment extends Fragment {
                 }
             }
         });
+        clearErrorOnTextEntry(etWalletSpendKey);
 
         Helper.showKeyboard(getActivity());
 
@@ -310,21 +351,6 @@ public class GenerateFragment extends Fragment {
             }
         });
 
-        etWalletPassword.getEditText().addTextChangedListener(new TextWatcher() {
-            @Override
-            public void afterTextChanged(Editable editable) {
-                checkPassword();
-            }
-
-            @Override
-            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start, int before, int count) {
-            }
-        });
-
         etWalletName.requestFocus();
         initZxcvbn();
 
@@ -412,7 +438,7 @@ public class GenerateFragment extends Fragment {
             height = RestoreHeight.getInstance().getHeight(parser.parse(restoreHeight));
         } catch (ParseException ex) {
         }
-        if (height <= 0)
+        if ((height <= 0) && (restoreHeight.length() == 8))
             try {
                 // is it a date without dashes?
                 SimpleDateFormat parser = new SimpleDateFormat("yyyyMMdd");
@@ -682,8 +708,7 @@ public class GenerateFragment extends Fragment {
             }
         });
 
-        // set FLAG_SECURE to prevent screenshots in Release Mode
+        if (Helper.preventScreenshot()) {
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
             ledgerDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
         }
 

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

@@ -55,6 +55,8 @@ import com.m2049r.xmrwallet.util.KeyStoreHelper;
 import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
+import java.text.NumberFormat;
+
 import timber.log.Timber;
 
 public class GenerateReviewFragment extends Fragment {
@@ -72,6 +74,7 @@ public class GenerateReviewFragment extends Fragment {
     private TextView tvWalletPassword;
     private TextView tvWalletAddress;
     private TextView tvWalletMnemonic;
+    private TextView tvWalletHeight;
     private TextView tvWalletViewKey;
     private TextView tvWalletSpendKey;
     private ImageButton bCopyAddress;
@@ -99,6 +102,7 @@ public class GenerateReviewFragment extends Fragment {
         tvWalletViewKey = view.findViewById(R.id.tvWalletViewKey);
         tvWalletSpendKey = view.findViewById(R.id.tvWalletSpendKey);
         tvWalletMnemonic = view.findViewById(R.id.tvWalletMnemonic);
+        tvWalletHeight = view.findViewById(R.id.tvWalletHeight);
         bCopyAddress = view.findViewById(R.id.bCopyAddress);
         bAdvancedInfo = view.findViewById(R.id.bAdvancedInfo);
         llAdvancedInfo = view.findViewById(R.id.llAdvancedInfo);
@@ -188,6 +192,7 @@ public class GenerateReviewFragment extends Fragment {
     private class AsyncShow extends AsyncTask<String, Void, Boolean> {
         String name;
         String address;
+        long height;
         String seed;
         String viewKey;
         String spendKey;
@@ -232,6 +237,7 @@ public class GenerateReviewFragment extends Fragment {
             }
 
             address = wallet.getAddress();
+            height = wallet.getRestoreHeight();
             seed = wallet.getSeed();
             switch (wallet.getDeviceType()) {
                 case Device_Ledger:
@@ -264,6 +270,7 @@ public class GenerateReviewFragment extends Fragment {
                 llPassword.setVisibility(View.VISIBLE);
                 tvWalletPassword.setText(getPassword());
                 tvWalletAddress.setText(address);
+                tvWalletHeight.setText(NumberFormat.getInstance().format(height));
                 if (!seed.isEmpty()) {
                     llMnemonic.setVisibility(View.VISIBLE);
                     tvWalletMnemonic.setText(seed);
@@ -288,6 +295,7 @@ public class GenerateReviewFragment extends Fragment {
             } else {
                 // TODO show proper error message and/or end the fragment?
                 tvWalletAddress.setText(walletStatus.toString());
+                tvWalletHeight.setText(walletStatus.toString());
                 tvWalletMnemonic.setText(walletStatus.toString());
                 tvWalletViewKey.setText(walletStatus.toString());
                 tvWalletSpendKey.setText(walletStatus.toString());
@@ -622,8 +630,8 @@ public class GenerateReviewFragment extends Fragment {
                 return false;
             }
         });
-        // set FLAG_SECURE to prevent screenshots in Release Mode
+
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
+        if (Helper.preventScreenshot()) {
             openDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
         }
 

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

@@ -315,10 +315,14 @@ public class LoginActivity extends BaseActivity
                         if (WalletManager.getInstance().walletExists(walletFile)) {
                             Helper.promptPassword(LoginActivity.this, walletName, true, new Helper.PasswordAction() {
                                 @Override
-                                public void action(String walletName, String password, boolean fingerprintUsed) {
+                                public void act(String walletName, String password, boolean fingerprintUsed) {
                                     if (checkDevice(walletName, password))
                                         startDetails(walletFile, password, GenerateReviewFragment.VIEW_TYPE_DETAILS);
                                 }
+
+                                @Override
+                                public void fail(String walletName, String password, boolean fingerprintUsed) {
+                                }
                             });
                         } else { // this cannot really happen as we prefilter choices
                             Timber.e("Wallet missing: %s", walletName);
@@ -348,10 +352,14 @@ public class LoginActivity extends BaseActivity
         if (WalletManager.getInstance().walletExists(walletFile)) {
             Helper.promptPassword(LoginActivity.this, walletName, false, new Helper.PasswordAction() {
                 @Override
-                public void action(String walletName, String password, boolean fingerprintUsed) {
+                public void act(String walletName, String password, boolean fingerprintUsed) {
                     if (checkDevice(walletName, password))
                         startReceive(walletFile, password);
                 }
+
+                @Override
+                public void fail(String walletName, String password, boolean fingerprintUsed) {
+                }
             });
         } else { // this cannot really happen as we prefilter choices
             Toast.makeText(this, getString(R.string.bad_wallet), Toast.LENGTH_SHORT).show();
@@ -940,8 +948,9 @@ public class LoginActivity extends BaseActivity
                     @Override
                     public boolean createWallet(File aFile, String password) {
                         NodeInfo currentNode = getNode();
+                        // get it from the connected node if we have one, and go back ca. 4 days
                         final long restoreHeight =
-                                (currentNode != null) ? currentNode.getHeight() - 20 : -1;
+                                (currentNode != null) ? currentNode.getHeight() - 2000 : -1;
                         Wallet newWallet = WalletManager.getInstance()
                                 .createWallet(aFile, password, MNEMONIC_LANGUAGE, restoreHeight);
                         return checkAndCloseWallet(newWallet);
@@ -1305,10 +1314,15 @@ public class LoginActivity extends BaseActivity
             Helper.promptPassword(LoginActivity.this, walletName, false,
                     new Helper.PasswordAction() {
                         @Override
-                        public void action(String walletName, String password, boolean fingerprintUsed) {
+                        public void act(String walletName, String password, boolean fingerprintUsed) {
                             if (checkDevice(walletName, password))
                                 startWallet(walletName, password, fingerprintUsed, streetmode);
                         }
+
+                        @Override
+                        public void fail(String walletName, String password, boolean fingerprintUsed) {
+                        }
+
                     });
         } else { // this cannot really happen as we prefilter choices
             Toast.makeText(this, getString(R.string.bad_wallet), Toast.LENGTH_SHORT).show();
@@ -1359,17 +1373,30 @@ public class LoginActivity extends BaseActivity
         if (Ledger.ENABLED)
             try {
                 Ledger.connect(usbManager, usbDevice);
-                registerDetachReceiver();
+                if (!Ledger.check()) {
-                onLedgerAction();
+                    Ledger.disconnect();
-                runOnUiThread(new Runnable() {
+                    runOnUiThread(new Runnable() {
-                    @Override
+                        @Override
-                    public void run() {
+                        public void run() {
-                        Toast.makeText(LoginActivity.this,
+                            Toast.makeText(LoginActivity.this,
-                                getString(R.string.toast_ledger_attached, usbDevice.getProductName()),
+                                    getString(R.string.toast_ledger_start_app, usbDevice.getProductName()),
-                                Toast.LENGTH_SHORT)
+                                    Toast.LENGTH_SHORT)
-                                .show();
+                                    .show();
-                    }
+                        }
-                });
+                    });
+                } else {
+                    registerDetachReceiver();
+                    onLedgerAction();
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            Toast.makeText(LoginActivity.this,
+                                    getString(R.string.toast_ledger_attached, usbDevice.getProductName()),
+                                    Toast.LENGTH_SHORT)
+                                    .show();
+                        }
+                    });
+                }
             } catch (IOException ex) {
                 runOnUiThread(new Runnable() {
                     @Override

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

@@ -439,10 +439,13 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
             }
             Collections.sort(nodesToTest, NodeInfo.BestNodeComparator);
             NodeInfo bestNode = nodesToTest.get(0);
-            if (bestNode.isValid())
+            if (bestNode.isValid()) {
+                activityCallback.setNode(bestNode);
                 return bestNode;
-            else
+            } else {
+                activityCallback.setNode(null);
                 return null;
+            }
         }
 
         @Override
@@ -450,7 +453,6 @@ public class LoginFragment extends Fragment implements WalletInfoAdapter.OnInter
             if (!isAdded()) return;
             pbNode.setVisibility(View.INVISIBLE);
             llNode.setVisibility(View.VISIBLE);
-            activityCallback.setNode(result);
             if (result != null) {
                 Timber.d("found a good node %s", result.toString());
                 showNode(result);

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

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+
+import com.m2049r.xmrwallet.onboarding.OnBoardingActivity;
+import com.m2049r.xmrwallet.onboarding.OnBoardingManager;
+
+public class MainActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(@Nullable final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (OnBoardingManager.shouldShowOnBoarding(getApplicationContext())) {
+            startActivity(new Intent(this, OnBoardingActivity.class));
+        } else {
+            startActivity(new Intent(this, LoginActivity.class));
+        }
+        finish();
+    }
+}

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

@@ -266,6 +266,7 @@ public class NodeFragment extends Fragment
                 seedList.add(new NodeInfo(new InetSocketAddress("198.74.231.92", 18080)));
                 seedList.add(new NodeInfo(new InetSocketAddress("195.154.123.123", 18080)));
                 seedList.add(new NodeInfo(new InetSocketAddress("212.83.172.165", 18080)));
+                seedList.add(new NodeInfo(new InetSocketAddress("192.110.160.146", 18080)));
                 d.seedPeers(seedList);
                 d.awaitTermination(NODES_TO_FIND);
             }
@@ -506,8 +507,8 @@ public class NodeFragment extends Fragment
                     });
                 }
             });
-            // set FLAG_SECURE to prevent screenshots in Release Mode
+
-            if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
+            if (Helper.preventScreenshot()) {
                 editDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
             }
 

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

@@ -21,6 +21,7 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
 
+import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.LocaleHelper;
 
 import static android.view.WindowManager.LayoutParams;
@@ -30,8 +31,7 @@ public abstract class SecureActivity extends AppCompatActivity {
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        // set FLAG_SECURE to prevent screenshots in Release Mode
+        if (Helper.preventScreenshot()) {
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
             getWindow().setFlags(LayoutParams.FLAG_SECURE, LayoutParams.FLAG_SECURE);
         }
     }

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

@@ -88,7 +88,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     private ActionBarDrawerToggle drawerToggle;
 
     private Toolbar toolbar;
-    private boolean needVerifyIdentity;
     private boolean requestStreetMode = false;
 
     private String password;
@@ -142,7 +141,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
 
     private void enableStreetMode(boolean enable) {
         if (enable) {
-            needVerifyIdentity = true;
             streetMode = getWallet().getDaemonBlockChainHeight();
         } else {
             streetMode = 0;
@@ -151,11 +149,9 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                 getSupportFragmentManager().findFragmentByTag(WalletFragment.class.getName());
         if (walletFragment != null) walletFragment.resetDismissedTransactions();
         forceUpdate();
-        runOnUiThread(new Runnable() {
+        runOnUiThread(() -> {
-            @Override
+            if (getWallet() != null)
-            public void run() {
                 updateAccountsBalance();
-            }
         });
     }
 
@@ -200,7 +196,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         if (extras != null) {
             acquireWakeLock();
             String walletId = extras.getString(REQUEST_ID);
-            needVerifyIdentity = extras.getBoolean(REQUEST_FINGERPRINT_USED);
             // we can set the streetmode height AFTER opening the wallet
             requestStreetMode = extras.getBoolean(REQUEST_STREETMODE);
             password = extras.getString(REQUEST_PW);
@@ -217,6 +212,20 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         releaseWakeLock();
     }
 
+    private void onWalletRescan() {
+        try {
+            final WalletFragment walletFragment = (WalletFragment)
+                    getSupportFragmentManager().findFragmentByTag(WalletFragment.class.getName());
+            getWallet().rescanBlockchainAsync();
+            synced = false;
+            walletFragment.unsync();
+            invalidateOptionsMenu();
+        } catch (ClassCastException ex) {
+            Timber.d(ex.getLocalizedMessage());
+            // keep calm and carry on
+        }
+    }
+
     @Override
     protected void onStop() {
         Timber.d("onStop()");
@@ -243,7 +252,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     public boolean onPrepareOptionsMenu(Menu menu) {
         MenuItem renameItem = menu.findItem(R.id.action_rename);
         if (renameItem != null)
-            renameItem.setVisible(hasWallet() && getWallet().isSynchronized());
+            renameItem.setEnabled(hasWallet() && getWallet().isSynchronized());
         MenuItem streetmodeItem = menu.findItem(R.id.action_streetmode);
         if (streetmodeItem != null)
             if (isStreetMode()) {
@@ -251,12 +260,18 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
             } else {
                 streetmodeItem.setIcon(R.drawable.gunther_24dp);
             }
+        final MenuItem rescanItem = menu.findItem(R.id.action_rescan);
+        if (rescanItem != null)
+            rescanItem.setEnabled(isSynced());
         return super.onPrepareOptionsMenu(menu);
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.action_rescan:
+                onWalletRescan();
+                return true;
             case R.id.action_info:
                 onWalletDetails();
                 return true;
@@ -313,7 +328,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     private void onDisableStreetMode() {
         Helper.promptPassword(WalletActivity.this, getWallet().getName(), false, new Helper.PasswordAction() {
             @Override
-            public void action(String walletName, String password, boolean fingerprintUsed) {
+            public void act(String walletName, String password, boolean fingerprintUsed) {
                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
@@ -322,6 +337,10 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                     }
                 });
             }
+
+            @Override
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+            }
         });
     }
 
@@ -556,10 +575,9 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     @Override
     public boolean onRefreshed(final Wallet wallet, final boolean full) {
         Timber.d("onRefreshed()");
-        runOnUiThread(new Runnable() {
+        runOnUiThread(() -> {
-            public void run() {
+            if (getWallet() != null)
                 updateAccountsBalance();
-            }
         });
         if (numAccounts != wallet.getNumAccounts()) {
             numAccounts = wallet.getNumAccounts();
@@ -835,17 +853,16 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                         final Bundle extras = new Bundle();
                         extras.putString(GenerateReviewFragment.REQUEST_TYPE, GenerateReviewFragment.VIEW_TYPE_WALLET);
 
-                        if (needVerifyIdentity) {
+                        Helper.promptPassword(WalletActivity.this, getWallet().getName(), true, new Helper.PasswordAction() {
-                            Helper.promptPassword(WalletActivity.this, getWallet().getName(), true, new Helper.PasswordAction() {
+                            @Override
-                                @Override
+                            public void act(String walletName, String password, boolean fingerprintUsed) {
-                                public void action(String walletName, String password, boolean fingerprintUsed) {
+                                replaceFragment(new GenerateReviewFragment(), null, extras);
-                                    replaceFragment(new GenerateReviewFragment(), null, extras);
+                            }
-                                    needVerifyIdentity = false;
+
-                                }
+                            @Override
-                            });
+                            public void fail(String walletName, String password, boolean fingerprintUsed) {
-                        } else {
+                            }
-                            replaceFragment(new GenerateReviewFragment(), null, extras);
+                        });
-                        }
 
                         break;
                     case DialogInterface.BUTTON_NEGATIVE:
@@ -983,12 +1000,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         return getWallet().getUnlockedBalance();
     }
 
-    @Override
-    public boolean verifyWalletPassword(String password) {
-        String walletPassword = Helper.getWalletPassword(getApplicationContext(), getWalletName(), password);
-        return walletPassword != null;
-    }
-
     @Override
     public void onBackPressed() {
         if (drawer.isDrawerOpen(GravityCompat.START)) {

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

@@ -50,9 +50,8 @@ import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.text.NumberFormat;
 import java.util.ArrayList;
-import java.util.Date;
+import java.util.Arrays;
 import java.util.List;
-import java.util.stream.Collectors;
 
 import timber.log.Timber;
 
@@ -114,9 +113,12 @@ public class WalletFragment extends Fragment
         ivSynced = view.findViewById(R.id.ivSynced);
 
         sCurrency = view.findViewById(R.id.sCurrency);
-        ArrayAdapter currencyAdapter = ArrayAdapter.createFromResource(getContext(), R.array.currency, R.layout.item_spinner_balance);
+        List<String> currencies = new ArrayList<>();
-        currencyAdapter.setDropDownViewResource(R.layout.item_spinner_dropdown_item);
+        currencies.add(Helper.BASE_CRYPTO);
-        sCurrency.setAdapter(currencyAdapter);
+        currencies.addAll(Arrays.asList(getResources().getStringArray(R.array.currency)));
+        ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<>(getContext(), R.layout.item_spinner_balance, currencies);
+        spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        sCurrency.setAdapter(spinnerAdapter);
 
         bSend = view.findViewById(R.id.bSend);
         bReceive = view.findViewById(R.id.bReceive);
@@ -220,7 +222,7 @@ public class WalletFragment extends Fragment
         // at this point selection is XMR in case of error
         String displayB;
         double amountA = Helper.getDecimalAmount(unlockedBalance).doubleValue();
-        if (!Helper.CRYPTO.equals(balanceCurrency)) { // not XMR
+        if (!Helper.BASE_CRYPTO.equals(balanceCurrency)) { // not XMR
             double amountB = amountA * balanceRate;
             displayB = Helper.getFormattedAmount(amountB, false);
         } else { // XMR
@@ -229,7 +231,7 @@ public class WalletFragment extends Fragment
         showBalance(displayB);
     }
 
-    String balanceCurrency = Helper.CRYPTO;
+    String balanceCurrency = Helper.BASE_CRYPTO;
     double balanceRate = 1.0;
 
     private final ExchangeApi exchangeApi = Helper.getExchangeApi();
@@ -245,7 +247,7 @@ public class WalletFragment extends Fragment
             Timber.d(currency);
             if (!currency.equals(balanceCurrency) || (balanceRate <= 0)) {
                 showExchanging();
-                exchangeApi.queryExchangeRate(Helper.CRYPTO, currency,
+                exchangeApi.queryExchangeRate(Helper.BASE_CRYPTO, currency,
                         new ExchangeCallback() {
                             @Override
                             public void onSuccess(final ExchangeRate exchangeRate) {
@@ -301,10 +303,10 @@ public class WalletFragment extends Fragment
 
     public void exchange(final ExchangeRate exchangeRate) {
         hideExchanging();
-        if (!Helper.CRYPTO.equals(exchangeRate.getBaseCurrency())) {
+        if (!Helper.BASE_CRYPTO.equals(exchangeRate.getBaseCurrency())) {
             Timber.e("Not XMR");
             sCurrency.setSelection(0, true);
-            balanceCurrency = Helper.CRYPTO;
+            balanceCurrency = Helper.BASE_CRYPTO;
             balanceRate = 1.0;
         } else {
             int spinnerPosition = ((ArrayAdapter) sCurrency.getAdapter()).getPosition(exchangeRate.getQuoteCurrency());
@@ -354,6 +356,15 @@ public class WalletFragment extends Fragment
         if (isVisible()) enableAccountsList(true); //otherwise it is enabled in onResume()
     }
 
+    public void unsync() {
+        if (!activityCallback.isWatchOnly()) {
+            bSend.setVisibility(View.INVISIBLE);
+            bSend.setEnabled(false);
+        }
+        if (isVisible()) enableAccountsList(false); //otherwise it is enabled in onResume()
+        firstBlock = 0;
+    }
+
     boolean walletLoaded = false;
 
     public void onLoaded() {

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

@@ -59,42 +59,36 @@ public class BarcodeData {
     final public Asset asset;
     final public String address;
     final public String addressName;
-    final public String paymentId;
     final public String amount;
     final public String description;
     final public Security security;
     final public String bip70;
 
     public BarcodeData(Asset asset, String address) {
-        this(asset, address, null, null, null, null, Security.NORMAL);
+        this(asset, address, null, null, null, Security.NORMAL);
     }
 
     public BarcodeData(Asset asset, String address, String amount) {
-        this(asset, address, null, null, null, amount, Security.NORMAL);
+        this(asset, address, null, null, amount, Security.NORMAL);
     }
 
     public BarcodeData(Asset asset, String address, String amount, String description, Security security) {
-        this(asset, address, null, null, description, amount, security);
+        this(asset, address, null, description, amount, security);
-    }
-
-    public BarcodeData(Asset asset, String address, String paymentId, String amount) {
-        this(asset, address, null, paymentId, null, amount, Security.NORMAL);
     }
 
     public BarcodeData(Asset asset, String address, String paymentId, String description, String amount) {
-        this(asset, address, null, paymentId, description, amount, Security.NORMAL);
+        this(asset, address, null, description, amount, Security.NORMAL);
     }
 
-    public BarcodeData(Asset asset, String address, String addressName, String paymentId, String description, String amount, Security security) {
+    public BarcodeData(Asset asset, String address, String addressName, String description, String amount, Security security) {
-        this(asset, address, addressName, null, paymentId, description, amount, security);
+        this(asset, address, addressName, null, description, amount, security);
     }
 
-    public BarcodeData(Asset asset, String address, String addressName, String bip70, String paymentId, String description, String amount, Security security) {
+    public BarcodeData(Asset asset, String address, String addressName, String bip70, String description, String amount, Security security) {
         this.asset = asset;
         this.address = address;
         this.bip70 = bip70;
         this.addressName = addressName;
-        this.paymentId = paymentId;
         this.description = description;
         this.amount = amount;
         this.security = security;
@@ -110,11 +104,6 @@ public class BarcodeData {
         StringBuilder sb = new StringBuilder();
         sb.append(BarcodeData.XMR_SCHEME).append(address);
         boolean first = true;
-        if ((paymentId != null) && !paymentId.isEmpty()) {
-            sb.append("?");
-            first = false;
-            sb.append(BarcodeData.XMR_PAYMENTID).append('=').append(paymentId);
-        }
         if ((description != null) && !description.isEmpty()) {
             sb.append(first ? "?" : "&");
             first = false;
@@ -185,8 +174,11 @@ public class BarcodeData {
         String address = monero.getPath();
 
         String paymentId = parms.get(XMR_PAYMENTID);
-        // deal with empty payment_id created by non-spec-conforming apps
+        // no support for payment ids!
-        if ((paymentId != null) && paymentId.isEmpty()) paymentId = null;
+        if (paymentId != null) {
+            Timber.e("no support for payment ids!");
+            return null;
+        }
 
         String description = parms.get(XMR_DESCRIPTION);
         String amount = parms.get(XMR_AMOUNT);
@@ -198,10 +190,6 @@ public class BarcodeData {
                 return null; // we have an amount but its not a number!
             }
         }
-        if ((paymentId != null) && !Wallet.isPaymentIdValid(paymentId)) {
-            Timber.d("paymentId invalid");
-            return null;
-        }
 
         if (!Wallet.isAddressValid(address)) {
             Timber.d("address invalid");
@@ -267,7 +255,7 @@ public class BarcodeData {
                 Timber.d("[%s] is not http url", bip70);
                 return null;
             }
-            return new BarcodeData(BarcodeData.Asset.BTC, null, null, bip70, null, description, null, Security.NORMAL);
+            return new BarcodeData(BarcodeData.Asset.BTC, null, null, bip70, description, null, Security.NORMAL);
         }
         if (!BitcoinAddressValidator.validate(address)) {
             Timber.d("BTC address (%s) invalid", address);

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

@@ -235,8 +235,10 @@ public class NodeInfo extends Node {
                         String rpcVersion = json.getString("jsonrpc");
                         if (!RPC_VERSION.equals(rpcVersion))
                             return false;
-                        final JSONObject header = json.getJSONObject(
+                        final JSONObject result = json.getJSONObject("result");
-                                "result").getJSONObject("block_header");
+                        if (!result.has("credits")) // introduced in monero v0.15.0
+                            return false;
+                        final JSONObject header = result.getJSONObject("block_header");
                         height = header.getLong("height");
                         timestamp = header.getLong("timestamp");
                         majorVersion = header.getInt("major_version");

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

@@ -29,19 +29,16 @@ public class TxData implements Parcelable {
 
     public TxData(TxData txData) {
         this.dstAddr = txData.dstAddr;
-        this.paymentId = txData.paymentId;
         this.amount = txData.amount;
         this.mixin = txData.mixin;
         this.priority = txData.priority;
     }
 
     public TxData(String dstAddr,
-                  String paymentId,
                   long amount,
                   int mixin,
                   PendingTransaction.Priority priority) {
         this.dstAddr = dstAddr;
-        this.paymentId = paymentId;
         this.amount = amount;
         this.mixin = mixin;
         this.priority = priority;
@@ -51,10 +48,6 @@ public class TxData implements Parcelable {
         return dstAddr;
     }
 
-    public String getPaymentId() {
-        return paymentId;
-    }
-
     public long getAmount() {
         return amount;
     }
@@ -71,10 +64,6 @@ public class TxData implements Parcelable {
         this.dstAddr = dstAddr;
     }
 
-    public void setPaymentId(String paymentId) {
-        this.paymentId = paymentId;
-    }
-
     public void setAmount(long amount) {
         this.amount = amount;
     }
@@ -96,7 +85,6 @@ public class TxData implements Parcelable {
     }
 
     private String dstAddr;
-    private String paymentId;
     private long amount;
     private int mixin;
     private PendingTransaction.Priority priority;
@@ -106,7 +94,6 @@ public class TxData implements Parcelable {
     @Override
     public void writeToParcel(Parcel out, int flags) {
         out.writeString(dstAddr);
-        out.writeString(paymentId);
         out.writeLong(amount);
         out.writeInt(mixin);
         out.writeInt(priority.getValue());
@@ -125,7 +112,6 @@ public class TxData implements Parcelable {
 
     protected TxData(Parcel in) {
         dstAddr = in.readString();
-        paymentId = in.readString();
         amount = in.readLong();
         mixin = in.readInt();
         priority = PendingTransaction.Priority.fromInteger(in.readInt());
@@ -142,14 +128,12 @@ public class TxData implements Parcelable {
         StringBuffer sb = new StringBuffer();
         sb.append("dstAddr:");
         sb.append(dstAddr);
-        sb.append(",paymentId:");
-        sb.append(paymentId);
         sb.append(",amount:");
         sb.append(amount);
         sb.append(",mixin:");
         sb.append(mixin);
         sb.append(",priority:");
-        sb.append(String.valueOf(priority));
+        sb.append(priority);
         return sb.toString();
     }
 }

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

@@ -28,6 +28,7 @@ import android.widget.TextView;
 
 import com.m2049r.xmrwallet.BuildConfig;
 import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.Helper;
 
 import java.util.Locale;
 
@@ -76,8 +77,7 @@ public class ProgressDialog extends AlertDialog {
 
         super.onCreate(savedInstanceState);
 
-        // set FLAG_SECURE to prevent screenshots in Release Mode
+        if (Helper.preventScreenshot()) {
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
             getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
         }
     }

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

@@ -31,7 +31,6 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
-import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.TextView;
@@ -86,12 +85,9 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
     private EditText etDummy;
     private TextInputLayout etAddress;
-    private TextInputLayout etPaymentId;
     private TextInputLayout etNotes;
-    private Button bPaymentId;
     private CardView cvScan;
     private View tvPaymentIdIntegrated;
-    private View llPaymentId;
     private TextView tvXmrTo;
     private View llXmrTo;
     private ImageButton bPasteAddress;
@@ -114,7 +110,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
         View view = inflater.inflate(R.layout.fragment_send_address, container, false);
 
         tvPaymentIdIntegrated = view.findViewById(R.id.tvPaymentIdIntegrated);
-        llPaymentId = view.findViewById(R.id.llPaymentId);
         llXmrTo = view.findViewById(R.id.llXmrTo);
         tvXmrTo = view.findViewById(R.id.tvXmrTo);
         tvXmrTo.setText(Html.fromHtml(getString(R.string.info_xmrto)));
@@ -140,28 +135,12 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                         next = null;
                     } else {
                         // maybe a bip72 or 70 URI
-                        String bip70 = PaymentProtocolHelper.getBip70(enteredAddress);
+                        final String bip70 = PaymentProtocolHelper.getBip70(enteredAddress);
                         if (bip70 != null) {
                             // looks good - resolve through xmr.to
                             processBip70(bip70);
-                            next = null;
-                        } else if (checkAddress()) {
-                            if (llPaymentId.getVisibility() == View.VISIBLE) {
-                                next = etPaymentId;
-                            } else {
-                                next = etNotes;
-                            }
                         }
                     }
-                    if (next != null) {
-                        final View focus = next;
-                        etAddress.post(new Runnable() {
-                            @Override
-                            public void run() {
-                                focus.requestFocus();
-                            }
-                        });
-                    }
                 }
             }
         });
@@ -174,8 +153,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                 etAddress.setError(null);
                 if (isIntegratedAddress()) {
                     Timber.d("isIntegratedAddress");
-                    etPaymentId.getEditText().getText().clear();
+                    etAddress.setError(getString(R.string.info_paymentid_integrated));
-                    llPaymentId.setVisibility(View.INVISIBLE);
                     tvPaymentIdIntegrated.setVisibility(View.VISIBLE);
                     llXmrTo.setVisibility(View.INVISIBLE);
                     sendListener.setMode(SendFragment.Mode.XMR);
@@ -184,7 +162,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                     setBtcMode();
                 } else {
                     Timber.d("isStandardAddress or other");
-                    llPaymentId.setVisibility(View.VISIBLE);
                     tvPaymentIdIntegrated.setVisibility(View.INVISIBLE);
                     llXmrTo.setVisibility(View.INVISIBLE);
                     sendListener.setMode(SendFragment.Mode.XMR);
@@ -208,47 +185,21 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                 if (clip == null) return;
                 // clean it up
                 final String address = clip.replaceAll("[^0-9A-Z-a-z]", "");
-                if (Wallet.isAddressValid(address) || BitcoinAddressValidator.validate(address))
+                if (Wallet.isAddressValid(address) || BitcoinAddressValidator.validate(address)) {
-                    etAddress.getEditText().setText(address);
+                    final EditText et = etAddress.getEditText();
-                else
+                    et.setText(address);
-                    Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
+                    et.setSelection(et.getText().length());
-            }
+                    etAddress.requestFocus();
-        });
+                } else {
-
+                    final String bip70 = PaymentProtocolHelper.getBip70(clip);
-        etPaymentId = view.findViewById(R.id.etPaymentId);
+                    if (bip70 != null) {
-        etPaymentId.getEditText().setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
+                        final EditText et = etAddress.getEditText();
-        etPaymentId.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
+                        et.setText(clip);
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                        et.setSelection(et.getText().length());
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
+                        processBip70(bip70);
-                        || (actionId == EditorInfo.IME_ACTION_NEXT)) {
+                    } else
-                    if (checkPaymentId()) {
+                        Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
-                        etNotes.requestFocus();
-                    }
-                    return true;
                 }
-                return false;
-            }
-        });
-        etPaymentId.getEditText().addTextChangedListener(new TextWatcher() {
-            @Override
-            public void afterTextChanged(Editable editable) {
-                etPaymentId.setError(null);
-            }
-
-            @Override
-            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start, int before, int count) {
-            }
-        });
-
-        bPaymentId = view.findViewById(R.id.bPaymentId);
-        bPaymentId.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                etPaymentId.getEditText().setText((Wallet.generatePaymentId()));
             }
         });
 
@@ -259,7 +210,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                 if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
                         || (actionId == EditorInfo.IME_ACTION_DONE)) {
                     etDummy.requestFocus();
-                    Helper.hideKeyboard(getActivity());
                     return true;
                 }
                 return false;
@@ -277,7 +227,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
         etDummy = view.findViewById(R.id.etDummy);
         etDummy.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
         etDummy.requestFocus();
-        Helper.hideKeyboard(getActivity());
 
         View tvNfc = view.findViewById(R.id.tvNfc);
         NfcManager manager = (NfcManager) getContext().getSystemService(Context.NFC_SERVICE);
@@ -289,8 +238,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
     private void setBtcMode() {
         Timber.d("setBtcMode");
-        etPaymentId.getEditText().getText().clear();
-        llPaymentId.setVisibility(View.INVISIBLE);
         tvPaymentIdIntegrated.setVisibility(View.INVISIBLE);
         llXmrTo.setVisibility(View.VISIBLE);
         sendListener.setMode(SendFragment.Mode.BTC);
@@ -345,7 +292,7 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
                 final BarcodeData barcodeData =
                         new BarcodeData(BarcodeData.Asset.BTC, address, null,
-                                resolvedBip70, null, null, String.valueOf(amount),
+                                resolvedBip70, null, String.valueOf(amount),
                                 BarcodeData.Security.BIP70);
                 etNotes.post(new Runnable() {
                     @Override
@@ -406,22 +353,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
         return BitcoinAddressValidator.validate(address);
     }
 
-    private boolean checkPaymentId() {
-        String paymentId = etPaymentId.getEditText().getText().toString();
-        boolean ok = paymentId.isEmpty() || Wallet.isPaymentIdValid(paymentId);
-        if (!ok) {
-            etPaymentId.setError(getString(R.string.receive_paymentid_invalid));
-        } else {
-            if (!paymentId.isEmpty() && isIntegratedAddress()) {
-                ok = false;
-                etPaymentId.setError(getString(R.string.receive_integrated_paymentid_invalid));
-            } else {
-                etPaymentId.setError(null);
-            }
-        }
-        return ok;
-    }
-
     private void shakeAddress() {
         etAddress.startAnimation(Helper.getShakeAnimation(getContext()));
     }
@@ -444,11 +375,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
             return false;
         }
 
-        if (!checkPaymentId()) {
-            etPaymentId.startAnimation(Helper.getShakeAnimation(getContext()));
-            return false;
-        }
-
         if (sendListener != null) {
             TxData txData = sendListener.getTxData();
             if (txData instanceof TxDataBtc) {
@@ -462,10 +388,8 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                     ((TxDataBtc) txData).setBip70(null);
                 }
                 txData.setDestinationAddress(null);
-                txData.setPaymentId("");
             } else {
                 txData.setDestinationAddress(etAddress.getEditText().getText().toString());
-                txData.setPaymentId(etPaymentId.getEditText().getText().toString());
             }
             txData.setUserNotes(new UserNotes(etNotes.getEditText().getText().toString()));
             txData.setPriority(PendingTransaction.Priority.Priority_Default);
@@ -528,14 +452,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
                 etAddress.setError(null);
             }
 
-            String scannedPaymentId = barcodeData.paymentId;
-            if (scannedPaymentId != null) {
-                etPaymentId.getEditText().setText(scannedPaymentId);
-                checkPaymentId();
-            } else {
-                etPaymentId.getEditText().getText().clear();
-                etPaymentId.setError(null);
-            }
             String scannedNotes = barcodeData.description;
             if (scannedNotes != null) {
                 etNotes.getEditText().setText(scannedNotes);
@@ -551,7 +467,6 @@ public class SendAddressWizardFragment extends SendWizardFragment {
     public void onResumeFragment() {
         super.onResumeFragment();
         Timber.d("onResumeFragment()");
-        Helper.hideKeyboard(getActivity());
         etDummy.requestFocus();
     }
 

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

@@ -21,8 +21,6 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import com.m2049r.xmrwallet.R;
@@ -30,8 +28,7 @@ import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.widget.ExchangeTextView;
+import com.m2049r.xmrwallet.widget.ExchangeEditText;
-import com.m2049r.xmrwallet.widget.NumberPadView;
 
 import timber.log.Timber;
 
@@ -59,8 +56,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
     }
 
     private TextView tvFunds;
-    private ExchangeTextView evAmount;
+    private ExchangeEditText etAmount;
-    private View llAmount;
     private View rlSweep;
     private ImageButton ibSweep;
 
@@ -75,12 +71,9 @@ public class SendAmountWizardFragment extends SendWizardFragment {
         View view = inflater.inflate(R.layout.fragment_send_amount, container, false);
 
         tvFunds = view.findViewById(R.id.tvFunds);
-
+        etAmount = view.findViewById(R.id.etAmount);
-        evAmount = view.findViewById(R.id.evAmount);
-        ((NumberPadView) view.findViewById(R.id.numberPad)).setListener(evAmount);
-
         rlSweep = view.findViewById(R.id.rlSweep);
-        llAmount = view.findViewById(R.id.llAmount);
+
         view.findViewById(R.id.ivSweep).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -97,8 +90,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
             }
         });
 
-        Helper.hideKeyboard(getActivity());
+        etAmount.requestFocus();
-
         return view;
     }
 
@@ -107,11 +99,11 @@ public class SendAmountWizardFragment extends SendWizardFragment {
     private void sweepAll(boolean spendAllMode) {
         if (spendAllMode) {
             ibSweep.setVisibility(View.INVISIBLE);
-            llAmount.setVisibility(View.GONE);
+            etAmount.setVisibility(View.GONE);
             rlSweep.setVisibility(View.VISIBLE);
         } else {
             ibSweep.setVisibility(View.VISIBLE);
-            llAmount.setVisibility(View.VISIBLE);
+            etAmount.setVisibility(View.VISIBLE);
             rlSweep.setVisibility(View.GONE);
         }
         this.spendAllMode = spendAllMode;
@@ -124,12 +116,12 @@ public class SendAmountWizardFragment extends SendWizardFragment {
                 sendListener.getTxData().setAmount(Wallet.SWEEP_ALL);
             }
         } else {
-            if (!evAmount.validate(maxFunds)) {
+            if (!etAmount.validate(maxFunds, 0)) {
                 return false;
             }
 
             if (sendListener != null) {
-                String xmr = evAmount.getAmount();
+                String xmr = etAmount.getNativeAmount();
                 if (xmr != null) {
                     sendListener.getTxData().setAmount(Wallet.getAmountFromString(xmr));
                 } else {
@@ -146,7 +138,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
     public void onResumeFragment() {
         super.onResumeFragment();
         Timber.d("onResumeFragment()");
-        Helper.hideKeyboard(getActivity());
+        Helper.showKeyboard(getActivity());
         final long funds = getTotalFunds();
         maxFunds = 1.0 * funds / 1000000000000L;
         if (!sendListener.getActivityCallback().isStreetMode()) {
@@ -156,11 +148,11 @@ public class SendAmountWizardFragment extends SendWizardFragment {
             tvFunds.setText(getString(R.string.send_available,
                     getString(R.string.unknown_amount)));
         }
-        // getAmount is null if exchange is in progress
+        // getNativeAmount is null if exchange is in progress
-        if ((evAmount.getAmount() != null) && evAmount.getAmount().isEmpty()) {
+        if ((etAmount.getNativeAmount() != null) && etAmount.getNativeAmount().isEmpty()) {
             final BarcodeData data = sendListener.popBarcodeData();
             if ((data != null) && (data.amount != null)) {
-                evAmount.setAmount(data.amount);
+                etAmount.setAmount(data.amount);
             }
         }
     }

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

@@ -31,8 +31,8 @@ import com.m2049r.xmrwallet.data.TxDataBtc;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.OkHttpHelper;
-import com.m2049r.xmrwallet.widget.ExchangeBtcTextView;
+import com.m2049r.xmrwallet.widget.ExchangeEditText;
-import com.m2049r.xmrwallet.widget.NumberPadView;
+import com.m2049r.xmrwallet.widget.ExchangeOtherEditText;
 import com.m2049r.xmrwallet.widget.SendProgressView;
 import com.m2049r.xmrwallet.xmrto.XmrToError;
 import com.m2049r.xmrwallet.xmrto.XmrToException;
@@ -62,8 +62,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
     }
 
     private TextView tvFunds;
-    private ExchangeBtcTextView evAmount;
+    private ExchangeOtherEditText etAmount;
-    private NumberPadView numberPad;
 
     private TextView tvXmrToParms;
     private SendProgressView evParams;
@@ -86,24 +85,20 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
 
         tvXmrToParms = view.findViewById(R.id.tvXmrToParms);
 
-        evAmount = view.findViewById(R.id.evAmount);
+        etAmount = view.findViewById(R.id.etAmount);
-        numberPad = view.findViewById(R.id.numberPad);
+        etAmount.requestFocus();
-        numberPad.setListener(evAmount);
-
-        Helper.hideKeyboard(getActivity());
-
         return view;
     }
 
 
     @Override
     public boolean onValidateFields() {
-        if (!evAmount.validate(maxBtc, minBtc)) {
+        if (!etAmount.validate(maxBtc, minBtc)) {
             return false;
         }
         if (sendListener != null) {
             TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-            String btcString = evAmount.getAmount();
+            String btcString = etAmount.getNativeAmount();
             if (btcString != null) {
                 try {
                     double btc = Double.parseDouble(btcString);
@@ -122,10 +117,12 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
 
     private void setBip70Mode() {
         TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
-        if (txDataBtc.getBip70() != null) {
+        if (txDataBtc.getBip70() == null) {
-            numberPad.setVisibility(View.INVISIBLE);
+            etAmount.setEditable(true);
+            Helper.showKeyboard(getActivity());
         } else {
-            numberPad.setVisibility(View.VISIBLE);
+            etAmount.setEditable(false);
+            Helper.hideKeyboard(getActivity());
         }
     }
 
@@ -141,7 +138,6 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
     public void onResumeFragment() {
         super.onResumeFragment();
         Timber.d("onResumeFragment()");
-        Helper.hideKeyboard(getActivity());
         final long funds = getTotalFunds();
         if (!sendListener.getActivityCallback().isStreetMode()) {
             tvFunds.setText(getString(R.string.send_available,
@@ -153,7 +149,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
         final BarcodeData data = sendListener.popBarcodeData();
         if (data != null) {
             if (data.amount != null) {
-                evAmount.setAmount(data.amount);
+                etAmount.setAmount(data.amount);
             }
         }
         setBip70Mode();
@@ -171,7 +167,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
         getView().post(new Runnable() {
             @Override
             public void run() {
-                evAmount.setRate(1.0d / orderParameters.getPrice());
+                etAmount.setExchangeRate(1.0d / orderParameters.getPrice());
                 NumberFormat df = NumberFormat.getInstance(Locale.US);
                 df.setMaximumFractionDigits(6);
                 String min = df.format(orderParameters.getLowerLimit());
@@ -211,7 +207,7 @@ public class SendBtcAmountWizardFragment extends SendWizardFragment {
     }
 
     private void processOrderParmsError(final Exception ex) {
-        evAmount.setRate(0);
+        etAmount.setExchangeRate(0);
         orderParameters = null;
         maxBtc = 0;
         minBtc = 0;

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

@@ -346,103 +346,16 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     public void preSend() {
-        final Activity activity = getActivity();
+        Helper.promptPassword(getContext(), getActivityCallback().getWalletName(), false, new Helper.PasswordAction() {
-        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
-        alertDialogBuilder.setView(promptsView);
-
-        final TextInputLayout etPassword = promptsView.findViewById(R.id.etPassword);
-        etPassword.setHint(getString(R.string.prompt_send_password));
-
-        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
             @Override
-            public void afterTextChanged(Editable s) {
+            public void act(String walletName, String password, boolean fingerprintUsed) {
-                if (etPassword.getError() != null) {
+                send();
-                    etPassword.setError(null);
-                }
             }
 
-            @Override
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
-            public void beforeTextChanged(CharSequence s, int start,
+                bSend.setEnabled(sendCountdown > 0); // allow to try again
-                                          int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start,
-                                      int before, int count) {
             }
         });
-
-        alertDialogBuilder
-                .setCancelable(false)
-                .setPositiveButton(getString(R.string.label_ok), new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            dialog.dismiss();
-                            Helper.hideKeyboardAlways(activity);
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                })
-                .setNegativeButton(getString(R.string.label_cancel),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                Helper.hideKeyboardAlways(activity);
-                                dialog.cancel();
-                                bSend.setEnabled(sendCountdown > 0); // allow to try again
-                            }
-                        });
-
-        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
-        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(DialogInterface dialog) {
-                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            Helper.hideKeyboardAlways(activity);
-                            passwordDialog.dismiss();
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                });
-            }
-        });
-
-        Helper.showKeyboard(passwordDialog);
-
-        // accept keyboard "ok"
-        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
-                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
-                    String pass = etPassword.getEditText().getText().toString();
-                    if (getActivityCallback().verifyWalletPassword(pass)) {
-                        Helper.hideKeyboardAlways(activity);
-                        passwordDialog.dismiss();
-                        send();
-                    } else {
-                        etPassword.setError(getString(R.string.bad_password));
-                    }
-                    return true;
-                }
-                return false;
-            }
-        });
-        // set FLAG_SECURE to prevent screenshots in Release Mode
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
-            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-        }
-
-        passwordDialog.show();
     }
 
     // creates a pending transaction and calls us back with transactionCreated()
@@ -457,9 +370,8 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
         }
         showProgress(3, getString(R.string.label_send_progress_create_tx));
         TxData txData = sendListener.getTxData();
-        txData.setDestinationAddress(xmrtoStatus.getXmrReceivingAddress());
+        txData.setDestinationAddress(xmrtoStatus.getReceivingSubaddress());
-        txData.setPaymentId(xmrtoStatus.getXmrRequiredPaymentIdShort());
+        txData.setAmount(Wallet.getAmountFromDouble(xmrtoStatus.getIncomingAmountTotal()));
-        txData.setAmount(Wallet.getAmountFromDouble(xmrtoStatus.getXmrAmountTotal()));
         getActivityCallback().onPrepareSend(xmrtoStatus.getUuid(), txData);
     }
 
@@ -573,22 +485,22 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
                     NumberFormat df = NumberFormat.getInstance(Locale.US);
                     df.setMaximumFractionDigits(12);
                     String btcAmount = df.format(status.getBtcAmount());
-                    String xmrAmountTotal = df.format(status.getXmrAmountTotal());
+                    String xmrAmountTotal = df.format(status.getIncomingAmountTotal());
                     tvTxBtcAmount.setText(getString(R.string.text_send_btc_amount, btcAmount, xmrAmountTotal));
-                    String xmrPriceBtc = df.format(status.getXmrPriceBtc());
+                    String xmrPriceBtc = df.format(status.getIncomingPriceBtc());
                     tvTxBtcRate.setText(getString(R.string.text_send_btc_rate, xmrPriceBtc));
 
-                    double calcRate = status.getBtcAmount() / status.getXmrPriceBtc();
+                    double calcRate = status.getBtcAmount() / status.getIncomingPriceBtc();
-                    Timber.i("Rates: %f / %f", calcRate, status.getXmrPriceBtc());
+                    Timber.d("Rates: %f / %f", calcRate, status.getIncomingPriceBtc());
 
                     tvTxBtcAddress.setText(status.getBtcDestAddress()); // TODO test if this is different?
 
-                    Timber.i("Expires @ %s, in %s seconds", status.getExpiresAt().toString(), status.getSecondsTillTimeout());
+                    Timber.d("Expires @ %s, in %s seconds", status.getExpiresAt().toString(), status.getSecondsTillTimeout());
 
-                    Timber.i("Status = %s", status.getState().toString());
+                    Timber.d("Status = %s", status.getState().toString());
                     tvTxXmrToKey.setText(status.getUuid());
 
-                    Timber.d("AmountRemaining=%f, XmrAmountTotal=%f", status.getXmrAmountRemaining(), status.getXmrAmountTotal());
+                    Timber.d("AmountRemaining=%f, XmrAmountTotal=%f", status.getRemainingAmountIncoming(), status.getIncomingAmountTotal());
                     hideProgress();
                     startSendTimer();
                     prepareSend();

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

@@ -138,12 +138,6 @@ public class SendBtcSuccessWizardFragment extends SendWizardFragment {
 
         btcData = (TxDataBtc) sendListener.getTxData();
         tvTxAddress.setText(btcData.getDestinationAddress());
-        String paymentId = btcData.getPaymentId();
-        if ((paymentId != null) && (!paymentId.isEmpty())) {
-            tvTxPaymentId.setText(btcData.getPaymentId());
-        } else {
-            tvTxPaymentId.setText("-");
-        }
 
         final PendingTx committedTx = sendListener.getCommittedTx();
         if (committedTx != null) {

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

@@ -70,7 +70,6 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
     }
 
     private TextView tvTxAddress;
-    private TextView tvTxPaymentId;
     private TextView tvTxNotes;
     private TextView tvTxAmount;
     private TextView tvTxFee;
@@ -90,7 +89,6 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
                 R.layout.fragment_send_confirm, container, false);
 
         tvTxAddress = view.findViewById(R.id.tvTxAddress);
-        tvTxPaymentId = view.findViewById(R.id.tvTxPaymentId);
         tvTxNotes = view.findViewById(R.id.tvTxNotes);
         tvTxAmount = view.findViewById(R.id.tvTxAmount);
         tvTxFee = view.findViewById(R.id.tvTxFee);
@@ -143,7 +141,12 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
 
     void send() {
         sendListener.commitTransaction();
-        pbProgressSend.setVisibility(View.VISIBLE);
+        getActivity().runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                pbProgressSend.setVisibility(View.VISIBLE);
+            }
+        });
     }
 
     @Override
@@ -192,12 +195,6 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
 
         final TxData txData = sendListener.getTxData();
         tvTxAddress.setText(txData.getDestinationAddress());
-        String paymentId = txData.getPaymentId();
-        if ((paymentId != null) && (!paymentId.isEmpty())) {
-            tvTxPaymentId.setText(txData.getPaymentId());
-        } else {
-            tvTxPaymentId.setText("-");
-        }
         UserNotes notes = sendListener.getTxData().getUserNotes();
         if ((notes != null) && (!notes.note.isEmpty())) {
             tvTxNotes.setText(notes.note);
@@ -233,103 +230,16 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
     }
 
     public void preSend() {
-        final Activity activity = getActivity();
+        Helper.promptPassword(getContext(), getActivityCallback().getWalletName(), false, new Helper.PasswordAction() {
-        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
-        alertDialogBuilder.setView(promptsView);
-
-        final TextInputLayout etPassword = promptsView.findViewById(R.id.etPassword);
-        etPassword.setHint(getString(R.string.prompt_send_password));
-
-        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
             @Override
-            public void afterTextChanged(Editable s) {
+            public void act(String walletName, String password, boolean fingerprintUsed) {
-                if (etPassword.getError() != null) {
+                send();
-                    etPassword.setError(null);
-                }
             }
 
-            @Override
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
-            public void beforeTextChanged(CharSequence s, int start,
+                bSend.setEnabled(true); // allow to try again
-                                          int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start,
-                                      int before, int count) {
             }
         });
-
-        alertDialogBuilder
-                .setCancelable(false)
-                .setPositiveButton(getString(R.string.label_ok), new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            dialog.dismiss();
-                            Helper.hideKeyboardAlways(activity);
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                })
-                .setNegativeButton(getString(R.string.label_cancel),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                Helper.hideKeyboardAlways(activity);
-                                dialog.cancel();
-                                bSend.setEnabled(true); // allow to try again
-                            }
-                        });
-
-        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
-        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(DialogInterface dialog) {
-                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            Helper.hideKeyboardAlways(activity);
-                            passwordDialog.dismiss();
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                });
-            }
-        });
-
-        Helper.showKeyboard(passwordDialog);
-
-        // accept keyboard "ok"
-        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
-                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
-                    String pass = etPassword.getEditText().getText().toString();
-                    if (getActivityCallback().verifyWalletPassword(pass)) {
-                        Helper.hideKeyboardAlways(activity);
-                        passwordDialog.dismiss();
-                        send();
-                    } else {
-                        etPassword.setError(getString(R.string.bad_password));
-                    }
-                    return true;
-                }
-                return false;
-            }
-        });
-        // set FLAG_SECURE to prevent screenshots in Release Mode
-        if (!(BuildConfig.DEBUG && BuildConfig.FLAVOR_type.equals("alpha"))) {
-            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-        }
-
-        passwordDialog.show();
     }
 
     // creates a pending transaction and calls us back with transactionCreated()

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

@@ -75,7 +75,7 @@ public class SendFragment extends Fragment
 
         void onPrepareSend(String tag, TxData data);
 
-        boolean verifyWalletPassword(String password);
+        String getWalletName();
 
         void onSend(UserNotes notes);
 

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

@@ -111,12 +111,6 @@ public class SendSuccessWizardFragment extends SendWizardFragment {
 
         final TxData txData = sendListener.getTxData();
         tvTxAddress.setText(txData.getDestinationAddress());
-        String paymentId = txData.getPaymentId();
-        if ((paymentId != null) && (!paymentId.isEmpty())) {
-            tvTxPaymentId.setText(txData.getPaymentId());
-        } else {
-            tvTxPaymentId.setText("-");
-        }
 
         final PendingTx committedTx = sendListener.getCommittedTx();
         if (committedTx != null) {

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

@@ -130,9 +130,9 @@ public class NodeInfoAdapter extends RecyclerView.Adapter<NodeInfoAdapter.ViewHo
 
         private void showStar() {
             if (nodeItem.isFavourite()) {
-                ibBookmark.setImageResource(R.drawable.ic_bookmark_24dp);
+                ibBookmark.setImageResource(R.drawable.ic_favorite_24dp);
             } else {
-                ibBookmark.setImageResource(R.drawable.ic_bookmark_border_24dp);
+                ibBookmark.setImageResource(R.drawable.ic_favorite_border_24dp);
             }
         }
 

app/src/main/java/com/m2049r/xmrwallet/ledger/Instruction.java

@@ -17,12 +17,15 @@
 package com.m2049r.xmrwallet.ledger;
 
 public enum Instruction {
+
     INS_NONE(0x00),
     INS_RESET(0x02),
     INS_GET_KEY(0x20),
+    INS_DISPLAY_ADDRESS(0x21),
     INS_PUT_KEY(0x22),
     INS_GET_CHACHA8_PREKEY(0x24),
     INS_VERIFY_KEY(0x26),
+    INS_MANAGE_SEEDWORDS(0x28),
 
     INS_SECRET_KEY_TO_PUBLIC_KEY(0x30),
     INS_GEN_KEY_DERIVATION(0x32),
@@ -30,6 +33,7 @@ public enum Instruction {
     INS_DERIVE_PUBLIC_KEY(0x36),
     INS_DERIVE_SECRET_KEY(0x38),
     INS_GEN_KEY_IMAGE(0x3A),
+
     INS_SECRET_KEY_ADD(0x3C),
     INS_SECRET_KEY_SUB(0x3E),
     INS_GENERATE_KEYPAIR(0x40),
@@ -45,15 +49,20 @@ public enum Instruction {
     INS_SET_SIGNATURE_MODE(0x72),
     INS_GET_ADDITIONAL_KEY(0x74),
     INS_STEALTH(0x76),
+    INS_GEN_COMMITMENT_MASK(0x77),
     INS_BLIND(0x78),
     INS_UNBLIND(0x7A),
+    INS_GEN_TXOUT_KEYS(0x7B),
     INS_VALIDATE(0x7C),
+    INS_PREFIX_HASH(0x7D),
     INS_MLSAG(0x7E),
     INS_CLOSE_TX(0x80),
 
-    INS_GET_RESPONSE(0xc0),
+    INS_GET_TX_PROOF(0xA0),
 
-    INS_UNDEFINED(0xff);
+    INS_GET_RESPONSE(0xC0),
+
+    INS_UNDEFINED(0xFF);
 
     public static Instruction fromByte(byte n) {
         switch (n & 0xFF) {
@@ -134,6 +143,10 @@ public enum Instruction {
         return value;
     }
 
+    public byte getByteValue() {
+        return (byte) (value & 0xFF);
+    }
+
     private int value;
 
     Instruction(int value) {

app/src/main/java/com/m2049r/xmrwallet/ledger/Ledger.java

@@ -27,9 +27,11 @@ import com.btchip.BTChipException;
 import com.btchip.comm.BTChipTransport;
 import com.btchip.comm.android.BTChipTransportAndroidHID;
 import com.m2049r.xmrwallet.BuildConfig;
+import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 
 import timber.log.Timber;
 
@@ -40,9 +42,11 @@ public class Ledger {
     static public final int LOOKAHEAD_SUBADDRESSES = 20;
     static public final String SUBADDRESS_LOOKAHEAD = LOOKAHEAD_ACCOUNTS + ":" + LOOKAHEAD_SUBADDRESSES;
 
+    private static final byte PROTOCOL_VERSION = 0x03;
     public static final int SW_OK = 0x9000;
     public static final int SW_INS_NOT_SUPPORTED = 0x6D00;
     public static final int OK[] = {SW_OK};
+    public static final int MINIMUM_LEDGER_VERSION = (1 << 16) + (6 << 8) + (0); // 1.6.0
 
     public static UsbDevice findDevice(UsbManager usbManager) {
         if (!ENABLED) return null;
@@ -89,6 +93,21 @@ public class Ledger {
         }
     }
 
+    static public boolean check() {
+        if (Instance == null) return false;
+        byte[] moneroVersion = WalletManager.moneroVersion().getBytes(StandardCharsets.US_ASCII);
+
+        try {
+            byte[] resp = Instance.exchangeApduNoOpt(Instruction.INS_RESET, moneroVersion, OK);
+            int deviceVersion = (resp[0] << 16) + (resp[1] << 8) + (resp[2]);
+            if (deviceVersion < MINIMUM_LEDGER_VERSION)
+                return false;
+        } catch (BTChipException ex) { // comm error - probably wrong app started on device
+            return false;
+        }
+        return true;
+    }
+
     final private BTChipTransport transport;
     final private String name;
     private int lastSW = 0;
@@ -112,7 +131,7 @@ public class Ledger {
     synchronized private byte[] exchangeRaw(byte[] apdu) {
         if (transport == null)
             throw new IllegalStateException("No transport (probably closed previously)");
-        Timber.i("exchangeRaw %02x", apdu[1]);
+        Timber.d("exchangeRaw %02x", apdu[1]);
         Instruction ins = Instruction.fromByte(apdu[1]);
         if (listener != null) listener.onInstructionSend(ins, apdu);
         sniffOut(ins, apdu);
@@ -120,7 +139,6 @@ public class Ledger {
         if (listener != null) listener.onInstructionReceive(ins, data);
         sniffIn(data);
         return data;
-
     }
 
     private byte[] exchange(byte[] apdu) throws BTChipException {
@@ -148,68 +166,19 @@ public class Ledger {
         throw new BTChipException("Invalid status", lastSW);
     }
 
-    private byte[] exchangeApdu(byte cla, byte ins, byte p1, byte p2, byte[] data, int acceptedSW[]) throws BTChipException {
+    private byte[] exchangeApduNoOpt(Instruction instruction, byte[] data, int acceptedSW[])
-        byte[] apdu = new byte[data.length + 5];
+            throws BTChipException {
-        apdu[0] = cla;
+        byte[] apdu = new byte[data.length + 6];
-        apdu[1] = ins;
+        apdu[0] = PROTOCOL_VERSION;
-        apdu[2] = p1;
+        apdu[1] = instruction.getByteValue();
-        apdu[3] = p2;
+        apdu[2] = 0; // p1
-        apdu[4] = (byte) (data.length);
+        apdu[3] = 0; // p2
-        System.arraycopy(data, 0, apdu, 5, data.length);
+        apdu[4] = (byte) (data.length + 1); // +1 because the opt byte is part of the data
+        apdu[5] = 0; // opt
+        System.arraycopy(data, 0, apdu, 6, data.length);
         return exchangeCheck(apdu, acceptedSW);
     }
 
-    private byte[] exchangeApdu(byte cla, byte ins, byte p1, byte p2, int length, int acceptedSW[]) throws BTChipException {
-        byte[] apdu = new byte[5];
-        apdu[0] = cla;
-        apdu[1] = ins;
-        apdu[2] = p1;
-        apdu[3] = p2;
-        apdu[4] = (byte) (length);
-        return exchangeCheck(apdu, acceptedSW);
-    }
-
-    private byte[] exchangeApduSplit(byte cla, byte ins, byte p1, byte p2, byte[] data, int acceptedSW[]) throws BTChipException {
-        int offset = 0;
-        byte[] result = null;
-        while (offset < data.length) {
-            int blockLength = ((data.length - offset) > 255 ? 255 : data.length - offset);
-            byte[] apdu = new byte[blockLength + 5];
-            apdu[0] = cla;
-            apdu[1] = ins;
-            apdu[2] = p1;
-            apdu[3] = p2;
-            apdu[4] = (byte) (blockLength);
-            System.arraycopy(data, offset, apdu, 5, blockLength);
-            result = exchangeCheck(apdu, acceptedSW);
-            offset += blockLength;
-        }
-        return result;
-    }
-
-    private byte[] exchangeApduSplit2(byte cla, byte ins, byte p1, byte p2, byte[] data, byte[] data2, int acceptedSW[]) throws BTChipException {
-        int offset = 0;
-        byte[] result = null;
-        int maxBlockSize = 255 - data2.length;
-        while (offset < data.length) {
-            int blockLength = ((data.length - offset) > maxBlockSize ? maxBlockSize : data.length - offset);
-            boolean lastBlock = ((offset + blockLength) == data.length);
-            byte[] apdu = new byte[blockLength + 5 + (lastBlock ? data2.length : 0)];
-            apdu[0] = cla;
-            apdu[1] = ins;
-            apdu[2] = p1;
-            apdu[3] = p2;
-            apdu[4] = (byte) (blockLength + (lastBlock ? data2.length : 0));
-            System.arraycopy(data, offset, apdu, 5, blockLength);
-            if (lastBlock) {
-                System.arraycopy(data2, 0, apdu, 5 + blockLength, data2.length);
-            }
-            result = exchangeCheck(apdu, acceptedSW);
-            offset += blockLength;
-        }
-        return result;
-    }
-
     public interface Listener {
         void onInstructionSend(Instruction ins, byte[] apdu);
 
@@ -251,7 +220,6 @@ public class Ledger {
         if (ins == Instruction.INS_GET_KEY) {
             snoopKey = (apdu[2] == 2);
         }
-
     }
 
     private void sniffIn(byte[] data) {

app/src/main/java/com/m2049r/xmrwallet/ledger/LedgerProgressDialog.java

@@ -51,6 +51,7 @@ public class LedgerProgressDialog extends ProgressDialog implements Ledger.Liste
                     switch (ins) {
                         case INS_RESET: // ledger may ask for confirmation - maybe a bug?
                         case INS_GET_KEY: // ledger asks for confirmation to send keys
+                        case INS_DISPLAY_ADDRESS:
                             setIndeterminate(true);
                             setMessage(getContext().getString(R.string.progress_ledger_confirm));
                             break;
@@ -102,6 +103,11 @@ public class LedgerProgressDialog extends ProgressDialog implements Ledger.Liste
                                 setMessage(getContext().getString(R.string.progress_ledger_mlsag));
                             }
                             break;
+                        case INS_PREFIX_HASH:
+                            if ((apdu[2] != 1) || (apdu[3] != 0)) break;
+                            setIndeterminate(true);
+                            setMessage(getContext().getString(R.string.progress_ledger_confirm));
+                            break;
                         case INS_VALIDATE:
                             if ((apdu[2] != 1) || (apdu[3] != 1)) break;
                             validate = true;