Doc & Version update (#43)

* added hint that amount is in XMR

* update FAQ and version

.idea/.gitignore

@@ -1,2 +1,2 @@
 workspace.xml
-markdown-navigator*
+markdown-*

.idea/libraries/core_1_9_8.xml

@@ -0,0 +1,10 @@
+<component name="libraryTable">
+  <library name="core-1.9.8">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.android/build-cache/db7eb580bfa6467818ef12c5f1fa42273b50aa3a/output/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.android/build-cache/db7eb580bfa6467818ef12c5f1fa42273b50aa3a/output/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

.idea/libraries/core_3_3_0.xml

@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="core-3.3.0">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.zxing/core/3.3.0/73c49077166faa4c3c0059c5f583d1d7bd1475fe/core-3.3.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.zxing/core/3.3.0/39d966e052e28fc7d83793b02e0af97ccf955745/core-3.3.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>

.idea/libraries/zxing_1_9_8.xml

@@ -0,0 +1,10 @@
+<component name="libraryTable">
+  <library name="zxing-1.9.8">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.android/build-cache/8d8f2e0e10c7af73321454f6fa481e8e5438e654/output/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.android/build-cache/8d8f2e0e10c7af73321454f6fa481e8e5438e654/output/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

README.md

@@ -21,7 +21,6 @@ You may loose all your Moneroj if you use this App. Be cautious when spending on
 - Monerujo means "Monero Wallet" according to https://www.reddit.com/r/Monero/comments/3exy7t/esperanto_corner/
 
 ### TODO
-- wallet backup functions
 - review visibility of methods/classes
 - more sensible error dialogs
 - check licenses of included libraries; License Dialog

app/build.gradle

@@ -7,8 +7,8 @@ android {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 25
-        versionCode 7
+        versionCode 11
-        versionName "0.5"
+        versionName "0.6"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
@@ -46,5 +46,6 @@ dependencies {
     compile 'com.android.support:support-v4:25.3.1'
     compile 'com.android.support:recyclerview-v7:25.3.1'
     compile 'com.android.support:cardview-v7:25.3.1'
+    compile 'me.dm7.barcodescanner:zxing:1.9.8'
     testCompile 'junit:junit:4.12'
 }

app/src/main/AndroidManifest.xml

@@ -7,10 +7,11 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.CAMERA" />
 
     <application
         android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/ic_monero_32dp"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">

app/src/main/cpp/monerujo.cpp

@@ -461,7 +461,6 @@ Java_com_m2049r_xmrwallet_model_WalletManager_resolveOpenAlias(JNIEnv *env, jobj
 
 //TODO static std::tuple<bool, std::string, std::string, std::string, std::string> checkUpdates(const std::string &software, const std::string &subdir);
 
-// actually a WalletManager function, but logically in onWalletSelected
 JNIEXPORT jboolean JNICALL
 Java_com_m2049r_xmrwallet_model_WalletManager_closeJ(JNIEnv *env, jobject instance,
                                                      jobject walletInstance) {

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

@@ -16,9 +16,9 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.Fragment;
 import android.content.Context;
 import android.os.Bundle;
+import android.support.v4.app.Fragment;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextWatcher;
@@ -69,12 +69,9 @@ public class GenerateFragment extends Fragment {
         bGenerate = (Button) view.findViewById(R.id.bGenerate);
 
         etWalletMnemonic.setRawInputType(InputType.TYPE_CLASS_TEXT);
-        etWalletAddress.setRawInputType(InputType.TYPE_CLASS_TEXT);
+        etWalletAddress.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
-        etWalletViewKey.setRawInputType(InputType.TYPE_CLASS_TEXT);
+        etWalletViewKey.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
-        etWalletSpendKey.setRawInputType(InputType.TYPE_CLASS_TEXT);
+        etWalletSpendKey.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
-
-        boolean testnet = WalletManager.getInstance().isTestNet();
-        //etWalletMnemonic.setTextIsSelectable(testnet);
 
         Helper.showKeyboard(getActivity());
         etWalletName.addTextChangedListener(new TextWatcher() {
@@ -298,8 +295,12 @@ public class GenerateFragment extends Fragment {
     private void generateWallet() {
         String name = etWalletName.getText().toString();
         if (name.length() == 0) return;
-        String walletPath = Helper.getWalletPath(getActivity(), name);
+        if (name.charAt(0)=='.') {
-        if (WalletManager.getInstance().walletExists(walletPath)) {
+            Toast.makeText(getActivity(), getString(R.string.generate_wallet_dot), Toast.LENGTH_LONG).show();
+            etWalletName.requestFocus();
+        }
+        File walletFile = Helper.getWalletFile(getActivity(), name);
+        if (WalletManager.getInstance().walletExists(walletFile)) {
             Toast.makeText(getActivity(), getString(R.string.generate_wallet_exists), Toast.LENGTH_LONG).show();
             etWalletName.requestFocus();
             return;
@@ -348,7 +349,7 @@ public class GenerateFragment extends Fragment {
     @Override
     public void onResume() {
         super.onResume();
-        Log.d(TAG, "onPause()");
+        Log.d(TAG, "onResume()");
         activityCallback.setTitle(getString(R.string.generate_title));
     }
 

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

@@ -16,9 +16,11 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.Fragment;
 import android.content.Context;
+import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -28,15 +30,13 @@ import android.widget.TextView;
 
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
-import com.m2049r.xmrwallet.service.MoneroHandlerThread;
+import com.m2049r.xmrwallet.util.MoneroThreadPoolExecutor;
-
-import java.io.File;
 
 public class GenerateReviewFragment extends Fragment {
     static final String TAG = "GenerateReviewFragment";
-    static final public String VIEW_DETAILS = "details";
+    static final public String VIEW_TYPE_DETAILS = "details";
-    static final public String VIEW_ACCEPT = "accept";
+    static final public String VIEW_TYPE_ACCEPT = "accept";
-    static final public String VIEW_WALLET = "wallet";
+    static final public String VIEW_TYPE_WALLET = "wallet";
 
     ProgressBar pbProgress;
     TextView tvWalletName;
@@ -76,16 +76,12 @@ public class GenerateReviewFragment extends Fragment {
 
         showProgress();
 
-        Bundle b = getArguments();
+        Bundle args = getArguments();
-        String type = b.getString("type");
+        String path = args.getString("path");
-        if (!type.equals(VIEW_WALLET)) {
+        String password = args.getString("password");
-            String name = b.getString("name");
+        String type = args.getString("type");
-            String password = b.getString("password");
+        new AsyncShow().executeOnExecutor(MoneroThreadPoolExecutor.MONERO_THREAD_POOL_EXECUTOR,
-            tvWalletName.setText(new File(name).getName());
+                path, password, type);
-            show(name, password, type);
-        } else {
-                show(walletCallback.getWallet(), null, type);
-        }
         return view;
     }
 
@@ -96,41 +92,65 @@ public class GenerateReviewFragment extends Fragment {
         acceptCallback.onAccept(name, password);
     }
 
-    private void show(final String walletPath, final String password, final String type) {
+    private class AsyncShow extends AsyncTask<String, Void, Boolean> {
-        new Thread(null,
+        String type;
-                new Runnable() {
+        String password;
+
+        String name;
+        String address;
+        String seed;
+        String viewKey;
+        boolean isWatchOnly;
+
         @Override
-                    public void run() {
+        protected Boolean doInBackground(String... params) {
-                        final Wallet wallet = WalletManager.getInstance().openWallet(walletPath, password);
+            if (params.length != 3) return false;
-                        getActivity().runOnUiThread(new Runnable() {
+            String walletPath = params[0];
-                            public void run() {
+            password = params[1];
-                                show(wallet, password, type);
+            type = params[2];
-                                wallet.close();
+
+            Wallet wallet;
+            boolean closeWallet;
+            if (type.equals(GenerateReviewFragment.VIEW_TYPE_WALLET)) {
+                wallet = GenerateReviewFragment.this.walletCallback.getWallet();
+                closeWallet = false;
+            } else {
+                wallet = WalletManager.getInstance().openWallet(walletPath, password);
+                closeWallet = true;
             }
-                        });
+            if (wallet.getStatus() != Wallet.Status.Status_Ok) return false;
-                    }
+            name = wallet.getName();
-                }
+            address = wallet.getAddress();
-                , "DetailsReview", MoneroHandlerThread.THREAD_STACK_SIZE).start();
+            seed = wallet.getSeed();
+            viewKey = wallet.getSecretViewKey();
+            isWatchOnly = wallet.isWatchOnly();
+            if (closeWallet) wallet.close();
+            return true;
         }
 
-    private void show(final Wallet wallet, final String password, final String type) {
+        @Override
-        if (type.equals(GenerateReviewFragment.VIEW_ACCEPT)) {
+        protected void onPostExecute(Boolean result) {
+            super.onPostExecute(result);
+            if (result) {
+                if (type.equals(GenerateReviewFragment.VIEW_TYPE_ACCEPT)) {
                     tvWalletPassword.setText(password);
                     bAccept.setVisibility(View.VISIBLE);
                     bAccept.setEnabled(true);
                 }
-        tvWalletName.setText(wallet.getName());
+                tvWalletName.setText(name);
-        tvWalletAddress.setText(wallet.getAddress());
+                tvWalletAddress.setText(address);
-        tvWalletMnemonic.setText(wallet.getSeed());
+                tvWalletMnemonic.setText(seed);
-        tvWalletViewKey.setText(wallet.getSecretViewKey());
+                tvWalletViewKey.setText(viewKey);
-        String spend = wallet.isWatchOnly() ? "" : "not available - use seed for recovery";
+                String spend = isWatchOnly ? "" : "not available - use seed for recovery";
                 if (spend.length() > 0) { //TODO should be == 64, but spendkey is not in the API yet
                     tvWalletSpendKey.setText(spend);
                 } else {
                     tvWalletSpendKey.setText(getString(R.string.generate_wallet_watchonly));
                 }
+            }
             hideProgress();
         }
+    }
 
     GenerateReviewFragment.Listener acceptCallback = null;
     GenerateReviewFragment.ListenerWithWallet walletCallback = null;
@@ -141,6 +161,7 @@ public class GenerateReviewFragment extends Fragment {
 
     public interface ListenerWithWallet {
         Wallet getWallet();
+
     }
 
     @Override

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

@@ -16,12 +16,13 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.Fragment;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.os.StrictMode;
+import android.support.annotation.NonNull;
 import android.support.design.widget.FloatingActionButton;
+import android.support.v4.app.Fragment;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.KeyEvent;
@@ -82,9 +83,17 @@ public class LoginFragment extends Fragment {
 
         File getStorageRoot();
 
-        void onWalletSelected(final String wallet);
+        void onWalletSelected(String wallet);
 
-        void onWalletDetails(final String wallet);
+        void onWalletDetails(String wallet);
+
+        void onWalletReceive(String wallet);
+
+        void onWalletRename(String name);
+
+        void onWalletBackup(String name);
+
+        void onWalletArchive(String walletName);
 
         void onAddWallet();
 
@@ -117,14 +126,14 @@ public class LoginFragment extends Fragment {
     @Override
     public void onResume() {
         super.onResume();
-        Log.d(TAG, "onPause()");
+        Log.d(TAG, "onResume()");
         activityCallback.setTitle(getString(R.string.login_activity_name));
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-
+        Log.d(TAG, "onCreateView");
         View view = inflater.inflate(R.layout.login_fragment, container, false);
 
         tbMainNet = (ToggleButton) view.findViewById(R.id.tbMainNet);
@@ -222,31 +231,6 @@ public class LoginFragment extends Fragment {
             }
         });
 
-/*        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
-            @Override
-            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
-                // Difference to opening wallet is that we don't need a daemon set
-                String itemValue = (String) listView.getItemAtPosition(position);
-
-                if (itemValue.length() <= (WALLETNAME_PREAMBLE_LENGTH)) {
-                    Toast.makeText(getActivity(), getString(R.string.panic), Toast.LENGTH_LONG).show();
-                    return true;
-                }
-
-                String wallet = itemValue.substring(WALLETNAME_PREAMBLE_LENGTH);
-                String x = isMainNet() ? "4" : "9A";
-                if (x.indexOf(itemValue.charAt(1)) < 0) {
-                    Toast.makeText(getActivity(), getString(R.string.prompt_wrong_net), Toast.LENGTH_LONG).show();
-                    return true;
-                }
-
-                checkAndSetWalletDaemon("", !isMainNet()); // just set selected net
-
-                activityCallback.onWalletDetails(wallet);
-                return true;
-            }
-        });
-*/
         loadList();
         return view;
     }
@@ -260,7 +244,8 @@ public class LoginFragment extends Fragment {
         }
     }
 
-    private void loadList() {
+    public void loadList() {
+        Log.d(TAG, "loadList()");
         WalletManager mgr = WalletManager.getInstance();
         List<WalletManager.WalletInfo> walletInfos =
                 mgr.findWallets(activityCallback.getStorageRoot());
@@ -408,32 +393,52 @@ public class LoginFragment extends Fragment {
     @Override
     public boolean onContextItemSelected(MenuItem item) {
         AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
+        String listItem = (String) listView.getItemAtPosition(info.position);
+        String name = nameFromListItem(listItem, !isMainNet());
+        if (name == null) {
+            Toast.makeText(getActivity(), getString(R.string.panic), Toast.LENGTH_LONG).show();
+        }
         switch (item.getItemId()) {
             case R.id.action_info:
-                String listItem = (String) listView.getItemAtPosition(info.position);
+                showInfo(name);
-                return showInfo(listItem);
+                break;
+            case R.id.action_receive:
+                showReceive(name);
+                break;
+            case R.id.action_rename:
+                activityCallback.onWalletRename(name);
+                break;
+            case R.id.action_backup:
+                activityCallback.onWalletBackup(name);
+                break;
+            case R.id.action_archive:
+                activityCallback.onWalletArchive(name);
+                break;
             default:
                 return super.onContextItemSelected(item);
         }
-    }
-
-    private boolean showInfo(String listItem) {
-
-        if (listItem.length() <= (WALLETNAME_PREAMBLE_LENGTH)) {
-            Toast.makeText(getActivity(), getString(R.string.panic), Toast.LENGTH_LONG).show();
-            return true;
-        }
-
-        String wallet = listItem.substring(WALLETNAME_PREAMBLE_LENGTH);
-        String x = isMainNet() ? "4" : "9A";
-        if (x.indexOf(listItem.charAt(1)) < 0) {
-            Toast.makeText(getActivity(), getString(R.string.prompt_wrong_net), Toast.LENGTH_LONG).show();
         return true;
     }
 
+    private void showInfo(@NonNull String name) {
         checkAndSetWalletDaemon("", !isMainNet()); // just set selected net
 
-        activityCallback.onWalletDetails(wallet);
+        activityCallback.onWalletDetails(name);
+    }
+
+    private boolean showReceive(@NonNull String name) {
+        checkAndSetWalletDaemon("", !isMainNet()); // just set selected net
+
+        activityCallback.onWalletReceive(name);
         return true;
     }
+
+    private String nameFromListItem(String listItem, boolean testnet) {
+        String wallet = listItem.substring(WALLETNAME_PREAMBLE_LENGTH);
+        String x = testnet ? "9A" : "4";
+        if (x.indexOf(listItem.charAt(1)) < 0) {
+            return null;
+        }
+        return wallet;
+    }
 }

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

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2017 dm77, 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.os.Handler;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.Result;
+import com.m2049r.xmrwallet.util.BarcodeData;
+
+import me.dm7.barcodescanner.zxing.ZXingScannerView;
+
+public class ScannerFragment extends Fragment implements ZXingScannerView.ResultHandler {
+    static final String TAG = "ScannerFragment";
+
+    Listener activityCallback;
+
+    public interface Listener {
+        boolean onAddressScanned(String uri);
+    }
+
+    private ZXingScannerView mScannerView;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        Log.d(TAG, "onCreateView");
+        mScannerView = new ZXingScannerView(getActivity());
+        return mScannerView;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Log.d(TAG, "onResume");
+        mScannerView.setResultHandler(this);
+        mScannerView.startCamera();
+    }
+
+    static final String QR_SCHEME = "monero:";
+    static final String QR_PAYMENTID = "tx_payment_id";
+    static final String QR_AMOUNT = "tx_amount";
+
+    @Override
+    public void handleResult(Result rawResult) {
+        //Log.d(TAG, rawResult.getBarcodeFormat().toString() + "/" + rawResult.getText());
+        if ((rawResult.getBarcodeFormat() == BarcodeFormat.QR_CODE) &&
+                (rawResult.getText().startsWith(QR_SCHEME))) {
+            if (activityCallback.onAddressScanned(rawResult.getText())) {
+                return;
+            } else {
+                Toast.makeText(getActivity(), getString(R.string.send_qr_address_invalid), Toast.LENGTH_SHORT).show();
+            }
+        } else {
+            Toast.makeText(getActivity(), getString(R.string.send_qr_invalid), Toast.LENGTH_SHORT).show();
+        }
+
+        // Note from dm77:
+        // * Wait 2 seconds to resume the preview.
+        // * On older devices continuously stopping and resuming camera preview can result in freezing the app.
+        // * I don't know why this is the case but I don't have the time to figure out.
+        Handler handler = new Handler();
+        handler.postDelayed(new
+
+                                    Runnable() {
+                                        @Override
+                                        public void run() {
+                                            mScannerView.resumeCameraPreview(ScannerFragment.this);
+                                        }
+                                    }, 2000);
+    }
+
+    @Override
+    public void onPause() {
+        Log.d(TAG, "onPause");
+        mScannerView.stopCamera();
+        super.onPause();
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        //Log.d(TAG, "attaching scan");
+        if (context instanceof Listener) {
+            this.activityCallback = (Listener) context;
+        } else {
+            throw new ClassCastException(context.toString()
+                    + " must implement Listener");
+        }
+    }
+}

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

@@ -16,14 +16,16 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.Fragment;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
+import android.os.Handler;
+import android.support.v4.app.Fragment;
 import android.support.v7.app.AlertDialog;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextWatcher;
+import android.util.Log;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -40,14 +42,16 @@ import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.BarcodeData;
 import com.m2049r.xmrwallet.util.TxData;
 
 public class SendFragment extends Fragment {
-    static final String TAG = "GenerateFragment";
+    static final String TAG = "SendFragment";
 
     EditText etAddress;
     EditText etPaymentId;
     EditText etAmount;
+    Button bScan;
     Button bSweep;
     Spinner sMixin;
     Spinner sPriority;
@@ -80,6 +84,7 @@ public class SendFragment extends Fragment {
         etAddress = (EditText) view.findViewById(R.id.etAddress);
         etPaymentId = (EditText) view.findViewById(R.id.etPaymentId);
         etAmount = (EditText) view.findViewById(R.id.etAmount);
+        bScan = (Button) view.findViewById(R.id.bScan);
         bSweep = (Button) view.findViewById(R.id.bSweep);
         bPrepareSend = (Button) view.findViewById(R.id.bPrepareSend);
         bPaymentId = (Button) view.findViewById(R.id.bPaymentId);
@@ -95,8 +100,8 @@ public class SendFragment extends Fragment {
 
         pbProgress = (ProgressBar) view.findViewById(R.id.pbProgress);
 
-        etAddress.setRawInputType(InputType.TYPE_CLASS_TEXT);
+        etAddress.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
-        etPaymentId.setRawInputType(InputType.TYPE_CLASS_TEXT);
+        etPaymentId.setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
         etNotes.setRawInputType(InputType.TYPE_CLASS_TEXT);
 
         Helper.showKeyboard(getActivity());
@@ -194,10 +199,18 @@ public class SendFragment extends Fragment {
             }
         });
 
+        bScan.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                activityCallback.onScanAddress();
+            }
+        });
+
         bPaymentId.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                etPaymentId.setText((activityCallback.generatePaymentId()));
+                etPaymentId.setText((Wallet.generatePaymentId()));
+                etPaymentId.setSelection(etPaymentId.getText().length());
             }
         });
 
@@ -231,8 +244,15 @@ public class SendFragment extends Fragment {
                 if (testnet) {
                     send();
                 } else {
+                    etNotes.setEnabled(false);
+                    Handler handler = new Handler();
+                    handler.postDelayed(new Runnable() {
+                        @Override
+                        public void run() {
                             bReallySend.setVisibility(View.VISIBLE);
                         }
+                    }, 1000);
+                }
             }
         });
 
@@ -256,11 +276,7 @@ public class SendFragment extends Fragment {
 
     private boolean addressOk() {
         String address = etAddress.getText().toString();
-        if (WalletManager.getInstance().isTestNet()) {
+        return Helper.isAddressOk(address, WalletManager.getInstance().isTestNet());
-            return ((address.length() == 95) && ("9A".indexOf(address.charAt(0)) >= 0));
-        } else {
-            return ((address.length() == 95) && ("4".indexOf(address.charAt(0)) >= 0));
-        }
     }
 
     private boolean amountOk() {
@@ -270,7 +286,7 @@ public class SendFragment extends Fragment {
 
     private boolean paymentIdOk() {
         String paymentId = etPaymentId.getText().toString();
-        return paymentId.isEmpty() || activityCallback.isPaymentIdValid(paymentId);
+        return paymentId.isEmpty() || Wallet.isPaymentIdValid(paymentId);
     }
 
     private void prepareSend() {
@@ -306,6 +322,7 @@ public class SendFragment extends Fragment {
         etAddress.setEnabled(false);
         etPaymentId.setEnabled(false);
         etAmount.setEnabled(false);
+        bScan.setEnabled(false);
         bPaymentId.setEnabled(false);
         bSweep.setEnabled(false);
         bPrepareSend.setEnabled(false);
@@ -317,10 +334,13 @@ public class SendFragment extends Fragment {
         etAddress.setEnabled(true);
         etPaymentId.setEnabled(true);
         etAmount.setEnabled(true);
+        bScan.setEnabled(true);
         bPaymentId.setEnabled(true);
         bSweep.setEnabled(true);
         bPrepareSend.setEnabled(true);
         llConfirmSend.setVisibility(View.GONE);
+        bSend.setEnabled(true);
+        etNotes.setEnabled(true);
         bReallySend.setVisibility(View.GONE);
     }
 
@@ -339,14 +359,53 @@ public class SendFragment extends Fragment {
 
         void onSend(String notes);
 
-        String generatePaymentId();
-
-        boolean isPaymentIdValid(String paymentId);
-
         String getWalletAddress();
 
         void onDisposeRequest();
 
+        void onScanAddress();
+
+        BarcodeData getScannedData();
+
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Log.d(TAG, "onResume");
+        BarcodeData data = activityCallback.getScannedData();
+        if (data != null) {
+            String scannedAddress = data.address;
+            if (scannedAddress != null) {
+                etAddress.setText(scannedAddress);
+            } else {
+                etAddress.getText().clear();
+            }
+            String scannedPaymenId = data.paymentId;
+            if (scannedPaymenId != null) {
+                etPaymentId.setText(scannedPaymenId);
+            } else {
+                etPaymentId.getText().clear();
+            }
+            if (data.amount >= 0) {
+                String scannedAmount = Helper.getDisplayAmount(data.amount);
+                etAmount.setText(scannedAmount);
+            } else {
+                etAmount.getText().clear();
+            }
+            etAmount.requestFocus();
+            etAmount.setSelection(etAmount.getText().length());
+        } else { // no scan data
+            // jump to first empty field
+            if (etAddress.getText().toString().isEmpty()) {
+                etAddress.requestFocus();
+            } else if (etPaymentId.getText().toString().isEmpty()) {
+                etPaymentId.requestFocus();
+            } else {
+                etAmount.requestFocus();
+                etAmount.setSelection(etAmount.getText().length());
+            }
+        }
     }
 
     @Override

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

@@ -16,28 +16,23 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.Fragment;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.os.Bundle;
+import android.support.v4.app.Fragment;
 import android.text.InputType;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
-import android.widget.ProgressBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Transfer;
 import com.m2049r.xmrwallet.model.Wallet;
-import com.m2049r.xmrwallet.model.WalletManager;
-import com.m2049r.xmrwallet.service.MoneroHandlerThread;
 
-import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;

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

@@ -16,21 +16,20 @@
 
 package com.m2049r.xmrwallet;
 
-import android.app.Fragment;
-import android.content.ClipData;
-import android.content.ClipboardManager;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.constraint.ConstraintLayout;
-import android.support.v7.app.AlertDialog;
+import android.support.v4.app.Fragment;
 import android.support.v7.widget.DividerItemDecoration;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.animation.Interpolator;
 import android.widget.Button;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
@@ -38,9 +37,8 @@ import android.widget.TextView;
 
 import com.m2049r.xmrwallet.layout.TransactionInfoAdapter;
 import com.m2049r.xmrwallet.model.TransactionInfo;
-import com.m2049r.xmrwallet.model.Transfer;
 import com.m2049r.xmrwallet.model.Wallet;
-import com.m2049r.xmrwallet.model.WalletManager;
+import com.m2049r.xmrwallet.util.Helper;
 
 import java.text.NumberFormat;
 import java.util.List;
@@ -59,6 +57,19 @@ public class WalletFragment extends Fragment implements TransactionInfoAdapter.O
     ProgressBar pbProgress;
     Button bSend;
 
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        if (activityCallback.hasWallet())
+        inflater.inflate(R.menu.wallet_menu, menu);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -69,9 +80,9 @@ public class WalletFragment extends Fragment implements TransactionInfoAdapter.O
         clProgress = (ConstraintLayout) view.findViewById(R.id.clProgress);
         llUnconfirmedAmount = (LinearLayout) view.findViewById(R.id.llUnconfirmedAmount);
         tvBalance = (TextView) view.findViewById(R.id.tvBalance);
-        tvBalance.setText(getDisplayAmount(0));
+        tvBalance.setText(Helper.getDisplayAmount(0));
         tvUnconfirmedAmount = (TextView) view.findViewById(R.id.tvUnconfirmedAmount);
-        tvUnconfirmedAmount.setText(getDisplayAmount(0));
+        tvUnconfirmedAmount.setText(Helper.getDisplayAmount(0));
         tvBlockHeightProgress = (TextView) view.findViewById(R.id.tvBlockHeightProgress);
 
         bSend = (Button) view.findViewById(R.id.bSend);
@@ -175,23 +186,6 @@ public class WalletFragment extends Fragment implements TransactionInfoAdapter.O
     private long firstBlock = 0;
     private String walletTitle = null;
 
-    private String getDisplayAmount(long amount) {
-        String s = Wallet.getDisplayAmount(amount);
-        int lastZero = 0;
-        int decimal = 0;
-        for (int i = s.length() - 1; i >= 0; i--) {
-            if ((lastZero == 0) && (s.charAt(i) != '0')) lastZero = i + 1;
-            // TODO i18n
-            if (s.charAt(i) == '.') {
-                decimal = i;
-                break;
-            }
-        }
-        //Log.d(TAG, decimal + "/" + lastZero + "/" + s);
-        int cutoff = Math.max(lastZero, decimal + 2);
-        return s.substring(0, cutoff);
-    }
-
     private void updateStatus(Wallet wallet) {
         Log.d(TAG, "updateStatus()");
         if (walletTitle == null) {
@@ -200,8 +194,8 @@ public class WalletFragment extends Fragment implements TransactionInfoAdapter.O
         }
         long balance = wallet.getBalance();
         long unlockedBalance = wallet.getUnlockedBalance();
-        tvBalance.setText(getDisplayAmount(unlockedBalance));
+        tvBalance.setText(Helper.getDisplayAmount(unlockedBalance));
-        tvUnconfirmedAmount.setText(getDisplayAmount(balance - unlockedBalance));
+        tvUnconfirmedAmount.setText(Helper.getDisplayAmount(balance - unlockedBalance));
         // balance cannot be less than unlockedBalance
         /*if (balance != unlockedBalance) {
             llPendingAmount.setVisibility(View.VISIBLE);
@@ -259,6 +253,10 @@ public class WalletFragment extends Fragment implements TransactionInfoAdapter.O
         boolean isWatchOnly();
 
         String getTxKey(String txId);
+
+        void onWalletReceive();
+
+        boolean hasWallet();
     }
 
     @Override

app/src/main/java/com/m2049r/xmrwallet/model/Wallet.java

@@ -238,6 +238,7 @@ public class Wallet {
     public native void setDefaultMixin(int mixin);
 
     public native boolean setUserNote(String txid, String note);
+
     public native String getUserNote(String txid);
 
     public native String getTxKey(String txid);

app/src/main/java/com/m2049r/xmrwallet/model/WalletManager.java

@@ -71,8 +71,8 @@ public class WalletManager {
         managedWallets.remove(walletId);
     }
 
-    public Wallet createWallet(String path, String password, String language) {
+    public Wallet createWallet(File aFile, String password, String language) {
-        long walletHandle = createWalletJ(path, password, language, isTestNet());
+        long walletHandle = createWalletJ(aFile.getAbsolutePath(), password, language, isTestNet());
         Wallet wallet = new Wallet(walletHandle);
         manageWallet(wallet.getName(), wallet);
         return wallet;
@@ -89,14 +89,14 @@ public class WalletManager {
 
     private native long openWalletJ(String path, String password, boolean isTestNet);
 
-    public Wallet recoveryWallet(String path, String mnemonic) {
+    public Wallet recoveryWallet(File aFile, String mnemonic) {
-        Wallet wallet = recoveryWallet(path, mnemonic, 0);
+        Wallet wallet = recoveryWallet(aFile, mnemonic, 0);
         manageWallet(wallet.getName(), wallet);
         return wallet;
     }
 
-    public Wallet recoveryWallet(String path, String mnemonic, long restoreHeight) {
+    public Wallet recoveryWallet(File aFile, String mnemonic, long restoreHeight) {
-        long walletHandle = recoveryWalletJ(path, mnemonic, isTestNet(), restoreHeight);
+        long walletHandle = recoveryWalletJ(aFile.getAbsolutePath(), mnemonic, isTestNet(), restoreHeight);
         Wallet wallet = new Wallet(walletHandle);
         manageWallet(wallet.getName(), wallet);
         return wallet;
@@ -104,9 +104,9 @@ public class WalletManager {
 
     private native long recoveryWalletJ(String path, String mnemonic, boolean isTestNet, long restoreHeight);
 
-    public Wallet createWalletFromKeys(String path, String language, long restoreHeight,
+    public Wallet createWalletFromKeys(File aFile, String language, long restoreHeight,
                                        String addressString, String viewKeyString, String spendKeyString) {
-        long walletHandle = createWalletFromKeysJ(path, language, isTestNet(), restoreHeight,
+        long walletHandle = createWalletFromKeysJ(aFile.getAbsolutePath(), language, isTestNet(), restoreHeight,
                 addressString, viewKeyString, spendKeyString);
         Wallet wallet = new Wallet(walletHandle);
         manageWallet(wallet.getName(), wallet);
@@ -134,6 +134,10 @@ public class WalletManager {
         return closed;
     }
 
+    public boolean walletExists(File aFile) {
+        return walletExists(aFile.getAbsolutePath());
+    }
+
     public native boolean walletExists(String path);
 
     public native boolean verifyWalletPassword(String keys_file_name, String password, boolean watch_only);
@@ -146,20 +150,11 @@ public class WalletManager {
         public String address;
     }
 
-    public List<WalletInfo> findWallets(File path) {
+    public WalletInfo getWalletInfo(File wallet) {
-        List<WalletInfo> wallets = new ArrayList<>();
-        Log.d(TAG, "Scanning: " + path.getAbsolutePath());
-        File[] found = path.listFiles(new FilenameFilter() {
-            public boolean accept(File dir, String filename) {
-                return filename.endsWith(".keys");
-            }
-        });
-        for (int i = 0; i < found.length; i++) {
         WalletInfo info = new WalletInfo();
-            info.path = path;
+        info.path = wallet.getParentFile();
-            String filename = found[i].getName();
+        info.name = wallet.getName();
-            info.name = filename.substring(0, filename.length() - 5); // 5 is length of ".keys"+1
+        File addressFile = new File(info.path, info.name + ".address.txt");
-            File addressFile = new File(path, info.name + ".address.txt");
         //Log.d(TAG, addressFile.getAbsolutePath());
         info.address = "??????";
         BufferedReader addressReader = null;
@@ -177,7 +172,21 @@ public class WalletManager {
                 }
             }
         }
-            wallets.add(info);
+        return info;
+    }
+
+    public List<WalletInfo> findWallets(File path) {
+        List<WalletInfo> wallets = new ArrayList<>();
+        Log.d(TAG, "Scanning: " + path.getAbsolutePath());
+        File[] found = path.listFiles(new FilenameFilter() {
+            public boolean accept(File dir, String filename) {
+                return filename.endsWith(".keys");
+            }
+        });
+        for (int i = 0; i < found.length; i++) {
+            String filename = found[i].getName();
+            File f = new File(found[i].getParent(), filename.substring(0, filename.length() - 5)); // 5 is length of ".keys"+1
+            wallets.add(getWalletInfo(f));
         }
         return wallets;
     }

app/src/main/java/com/m2049r/xmrwallet/service/WalletService.java

@@ -19,10 +19,7 @@ package com.m2049r.xmrwallet.service;
 import android.app.Notification;
 import android.app.PendingIntent;
 import android.app.Service;
-import android.content.Context;
 import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.Handler;
@@ -30,13 +27,11 @@ import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
-import android.support.v4.app.NotificationCompat;
 import android.util.Log;
 
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.WalletActivity;
 import com.m2049r.xmrwallet.model.PendingTransaction;
-import com.m2049r.xmrwallet.model.TransactionHistory;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletListener;
 import com.m2049r.xmrwallet.model.WalletManager;
@@ -44,6 +39,8 @@ import com.m2049r.xmrwallet.util.Helper;
 import com.m2049r.xmrwallet.util.TxData;
 
 public class WalletService extends Service {
+    public static boolean Running = false;
+
     final static String TAG = "WalletService";
     final static int NOTIFICATION_ID = 2049;
 
@@ -127,6 +124,7 @@ public class WalletService extends Service {
                     boolean fullRefresh = false;
                     updateDaemonState(wallet, wallet.isSynchronized() ? height : 0);
                     if (!wallet.isSynchronized()) {
+                        updated = true;
                         // we want to see our transactions as they come in
                         wallet.getHistory().refresh();
                         int txCount = wallet.getHistory().getCount();
@@ -399,9 +397,6 @@ public class WalletService extends Service {
 
     @Override
     public void onCreate() {
-        //mNM = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-        //showNotification();
-
         // We are using a HandlerThread and a Looper to avoid loading and closing
         // concurrency
         MoneroHandlerThread thread = new MoneroHandlerThread("WalletService",
@@ -418,8 +413,6 @@ public class WalletService extends Service {
     @Override
     public void onDestroy() {
         Log.d(TAG, "onDestroy()");
-        // Cancel the persistent notification.
-        //mNM.cancel(NOTIFICATION);
         if (this.listener != null) {
             Log.w(TAG, "onDestroy() with active listener");
             // no need to stop() here because the wallet closing should have been triggered
@@ -437,7 +430,8 @@ public class WalletService extends Service {
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        // when the activity satrts the service, it expects to start it for a new wallet
+        Running = true;
+        // when the activity starts the service, it expects to start it for a new wallet
         // the service is possibly still occupied with saving the last opened wallet
         // so we queue the open request
         // this should not matter since the old activity is not getting updates
@@ -513,6 +507,7 @@ public class WalletService extends Service {
         }
         stopForeground(true);
         stopSelf();
+        Running = false;
     }
 
     private Wallet loadWallet(String walletName, String walletPassword) {
@@ -532,7 +527,7 @@ public class WalletService extends Service {
     }
 
     private Wallet openWallet(String walletName, String walletPassword) {
-        String path = Helper.getWalletPath(getApplicationContext(), walletName);
+        String path = Helper.getWalletFile(getApplicationContext(), walletName).getAbsolutePath();
         showProgress(20);
         Wallet wallet = null;
         WalletManager walletMgr = WalletManager.getInstance();
@@ -562,7 +557,7 @@ public class WalletService extends Service {
         PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
         Notification notification = new Notification.Builder(this)
                 .setContentTitle(getString(R.string.service_description))
-                .setSmallIcon(R.drawable.ic_notification_sync_32_32)
+                .setSmallIcon(R.drawable.ic_monero_32dp)
                 .setContentIntent(pendingIntent)
                 .build();
         startForeground(NOTIFICATION_ID, notification);

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

@@ -0,0 +1,29 @@
+/*
+ * 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.util;
+
+public class BarcodeData {
+    public String address = null;
+    public String paymentId = null;
+    public long amount = -1;
+
+    public BarcodeData(String address, String paymentId, long amount) {
+        this.address = address;
+        this.paymentId = paymentId;
+        this.amount = amount;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/util/Helper.java

@@ -21,12 +21,21 @@ import android.app.Activity;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.VectorDrawable;
 import android.os.Environment;
+import android.support.v4.content.ContextCompat;
 import android.util.Log;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
 
 import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.model.WalletManager;
 
 import java.io.File;
 
@@ -71,12 +80,34 @@ public class Helper {
         }
     }
 
-    static public String getWalletPath(Context context, String aWalletName) {
+    public static final int PERMISSIONS_REQUEST_CAMERA = 1;
+
+    static public boolean getCameraPermission(Activity context) {
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+            if (context.checkSelfPermission(Manifest.permission.CAMERA)
+                    == PackageManager.PERMISSION_DENIED) {
+                Log.d(TAG, "Permission denied for CAMERA - requesting it");
+                String[] permissions = {Manifest.permission.CAMERA};
+                context.requestPermissions(permissions, PERMISSIONS_REQUEST_CAMERA);
+                return false;
+            } else {
+                return true;
+            }
+        } else {
+            return true;
+        }
+    }
+
+//    static public String getWalletPath(Context context, String aWalletName) {
+//        return getWalletFile(context, aWalletName).getAbsolutePath();
+//    }
+
+    static public File getWalletFile(Context context, String aWalletName) {
         File walletDir = getStorageRoot(context);
         //d(TAG, "walletdir=" + walletDir.getAbsolutePath());
         File f = new File(walletDir, aWalletName);
         Log.d(TAG, "wallet = " + f.getAbsolutePath() + " size=" + f.length());
-        return f.getAbsolutePath();
+        return f;
     }
 
     /* Checks if external storage is available for read and write */
@@ -107,4 +138,51 @@ public class Helper {
     static public void hideKeyboardAlways(Activity act) {
         act.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
     }
+
+    static public boolean isAddressOk(String address, boolean testnet) {
+        if (address == null) return false;
+        if (testnet) {
+            return ((address.length() == 95) && ("9A".indexOf(address.charAt(0)) >= 0));
+        } else {
+            return ((address.length() == 95) && ("4".indexOf(address.charAt(0)) >= 0));
+        }
+    }
+
+    static public String getDisplayAmount(long amount) {
+        String s = Wallet.getDisplayAmount(amount);
+        int lastZero = 0;
+        int decimal = 0;
+        for (int i = s.length() - 1; i >= 0; i--) {
+            if ((lastZero == 0) && (s.charAt(i) != '0')) lastZero = i + 1;
+            // TODO i18n
+            if (s.charAt(i) == '.') {
+                decimal = i;
+                break;
+            }
+        }
+        //Log.d(TAG, decimal + "/" + lastZero + "/" + s);
+        int cutoff = Math.max(lastZero, decimal + 2);
+        return s.substring(0, cutoff);
+    }
+
+    public static Bitmap getBitmap(Context context, int drawableId) {
+        Drawable drawable = ContextCompat.getDrawable(context, drawableId);
+        if (drawable instanceof BitmapDrawable) {
+            return BitmapFactory.decodeResource(context.getResources(), drawableId);
+        } else if (drawable instanceof VectorDrawable) {
+            return getBitmap((VectorDrawable) drawable);
+        } else {
+            throw new IllegalArgumentException("unsupported drawable type");
+        }
+    }
+
+    private static Bitmap getBitmap(VectorDrawable vectorDrawable) {
+        Bitmap bitmap = Bitmap.createBitmap(vectorDrawable.getIntrinsicWidth(),
+                vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+        Canvas canvas = new Canvas(bitmap);
+        vectorDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+        vectorDrawable.draw(canvas);
+        return bitmap;
+    }
+
 }

app/src/main/java/com/m2049r/xmrwallet/util/MoneroThreadPoolExecutor.java

@@ -0,0 +1,56 @@
+/*
+ * 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.util;
+
+import com.m2049r.xmrwallet.service.MoneroHandlerThread;
+
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+
+public class MoneroThreadPoolExecutor {
+    private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();
+    private static final int CORE_POOL_SIZE = Math.max(2, Math.min(CPU_COUNT - 1, 4));
+    private static final int MAXIMUM_POOL_SIZE = CPU_COUNT * 2 + 1;
+    private static final int KEEP_ALIVE_SECONDS = 30;
+
+    private static final ThreadFactory sThreadFactory = new ThreadFactory() {
+        private final AtomicInteger mCount = new AtomicInteger(1);
+
+        public Thread newThread(Runnable r) {
+            return new Thread(null, r, "MoneroTask #" + mCount.getAndIncrement(), MoneroHandlerThread.THREAD_STACK_SIZE);
+        }
+    };
+
+    private static final BlockingQueue<Runnable> sPoolWorkQueue =
+            new LinkedBlockingQueue<>(128);
+
+    public static final Executor MONERO_THREAD_POOL_EXECUTOR;
+
+    static {
+        ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(
+                CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE_SECONDS, TimeUnit.SECONDS,
+                sPoolWorkQueue, sThreadFactory);
+        threadPoolExecutor.allowCoreThreadTimeOut(true);
+        MONERO_THREAD_POOL_EXECUTOR = threadPoolExecutor;
+    }
+}

app/src/main/res/drawable/ic_monero_32dp.xml

@@ -0,0 +1,14 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="32dp"
+    android:height="32dp"
+    android:viewportHeight="75.0"
+    android:viewportWidth="75.0">
+
+    <path
+        android:fillColor="#ff6600"
+        android:pathData="M 37.3,0.35329395 c -20.377,0 -36.903,16.524 -36.903,36.902 0,4.074 0.66,7.992 1.88,11.657 l 11.036,0 0,-31.049 23.987,23.987 23.987,-23.987 0,31.049 11.037,0 c 1.22,-3.665 1.88,-7.583 1.88,-11.657 0,-20.378 -16.526,-36.902 -36.904,-36.902" />
+    <path
+        android:fillColor="#4c4c4c"
+        android:pathData="M 21.3164,36.895994 l 0,19.537 -15.55,0 c 6.478,10.628 18.178,17.726 31.533,17.726 13.355,0 25.056,-7.098 31.533,-17.726 l -15.549,0 0,-19.537 -15.984,15.984 z" />
+
+</vector>

app/src/main/res/drawable/ic_monero_qr.xml

@@ -0,0 +1,21 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="100dp"
+    android:height="100dp"
+    android:viewportHeight="75.0"
+    android:viewportWidth="75.0">
+
+    <path
+        android:fillColor="#ffffff"
+        android:pathData=" M 37.3, 37.3
+        m -36.9, 0
+        a 36.9,36.9 0 1,0 73.8,0
+        a 36.9,36.9 0 1,0 -73.8,0" />
+
+    <path
+        android:fillColor="#ff6600"
+        android:pathData="M 37.3,0.35329395 c -20.377,0 -36.903,16.524 -36.903,36.902 0,4.074 0.66,7.992 1.88,11.657 l 11.036,0 0,-31.049 23.987,23.987 23.987,-23.987 0,31.049 11.037,0 c 1.22,-3.665 1.88,-7.583 1.88,-11.657 0,-20.378 -16.526,-36.902 -36.904,-36.902" />
+    <path
+        android:fillColor="#4c4c4c"
+        android:pathData="M 21.3164,36.895994 l 0,19.537 -15.55,0 c 6.478,10.628 18.178,17.726 31.533,17.726 13.355,0 25.056,-7.098 31.533,-17.726 l -15.549,0 0,-19.537 -15.984,15.984 z" />
+
+</vector>

app/src/main/res/layout/gen_review_fragment.xml

@@ -4,19 +4,13 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="8sp"
-        android:orientation="vertical">
-
     <ProgressBar
         android:id="@+id/pbProgress"
         style="@android:style/Widget.ProgressBar.Horizontal"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginBottom="8sp"
         android:visibility="invisible" />
-    </LinearLayout>
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -143,7 +137,6 @@
         android:id="@+id/tvWalletSpendKey"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:selectAllOnFocus="true"
         android:textAlignment="center"
         android:textColor="@color/colorPrimaryDark"
         android:textIsSelectable="true"

app/src/main/res/layout/prompt_password.xml

@@ -10,8 +10,8 @@
         android:id="@+id/tvPasswordLabel"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Wallet Password"
         android:labelFor="@+id/etPassword"
+        android:text="@string/prompt_password"
         android:textAppearance="?android:attr/textAppearanceLarge" />
 
     <EditText

app/src/main/res/layout/prompt_rename.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/layout_root"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="10dp" >
+
+    <TextView
+        android:id="@+id/tvRenameLabel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/prompt_rename"
+        android:labelFor="@+id/etRename"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    <EditText
+        android:id="@+id/etRename"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:imeOptions="normal"
+        android:inputType="text" />
+
+</LinearLayout>