Receiving almost works, unfortunately, JDBC doesn't so I have to rewrite the whole damn repository code.

app/build.gradle

@@ -37,6 +37,8 @@ dependencies {
     compile('com.mikepenz:materialdrawer:3.1.0@aar') {
         transitive = true
     }
+    compile 'com.mikepenz:iconics:1.6.2@aar'
+    compile 'com.mikepenz:community-material-typeface:1.1.71@aar'
 }
 
 idea.module {

app/src/main/AndroidManifest.xml

@@ -30,12 +30,45 @@
                     android:name="android.support.PARENT_ACTIVITY"
                     android:value=".MessageListActivity"/>
         </activity>
+        <activity
+                android:name=".ComposeMessageActivity"
+                android:label="Compose"
+                android:parentActivityName=".MessageListActivity">
+            <meta-data
+                    android:name="android.support.PARENT_ACTIVITY"
+                    android:value=".MessageListActivity"/>
+
+            <intent-filter>
+                <action android:name="android.intent.action.SENDTO"/>
+
+                <data android:scheme="bitmessage"/>
+                <data android:scheme="bitmsg"/>
+                <data android:scheme="bm"/>
+
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND"/>
+
+                <data android:mimeType="text/plain"/>
+
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND_MULTIPLE"/>
+
+                <data android:mimeType="text/plain"/>
+
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
         <activity
                 android:name=".SettingsActivity"
                 android:label="@string/settings"
                 android:parentActivityName=".MessageListActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MANAGE_NETWORK_USAGE"/>
+
                 <category android:name="android.intent.category.DEFAULT"/>
             </intent-filter>
         </activity>
@@ -46,6 +79,22 @@
                 android:exported="true"
                 android:permission="">
         </service>
+
+        <activity
+                android:name=".OpenBitmessageLinkActivity"
+                android:label="@string/title_activity_open_bitmessage_link"
+                android:theme="@style/Theme.AppCompat.Light.Dialog">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+
+                <data android:scheme="bitmessage"/>
+                <data android:scheme="bitmsg"/>
+                <data android:scheme="bm"/>
+
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+            </intent-filter>
+        </activity>
     </application>
 
 </manifest>

app/src/main/java/ch/dissem/apps/abit/ComposeMessageActivity.java

@@ -0,0 +1,28 @@
+package ch.dissem.apps.abit;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+
+/**
+ * Compose a new message.
+ */
+public class ComposeMessageActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.toolbar_layout);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_action_close);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(false);
+
+        // Display the fragment as the main content.
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.content, new ComposeMessageFragment())
+                .commit();
+    }
+}

app/src/main/java/ch/dissem/apps/abit/ComposeMessageFragment.java

@@ -0,0 +1,77 @@
+package ch.dissem.apps.abit;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.*;
+import android.view.inputmethod.EditorInfo;
+import android.widget.EditText;
+import android.widget.Toast;
+import ch.dissem.bitmessage.BitmessageContext;
+import ch.dissem.bitmessage.entity.BitmessageAddress;
+
+/**
+ * Compose a new message.
+ */
+public class ComposeMessageFragment extends Fragment {
+    /**
+     * The fragment argument representing the sender identity.
+     */
+    public static final String ARG_IDENTITY = "from";
+    /**
+     * The fragment argument representing the recipient.
+     */
+    public static final String ARG_RECIPIENT = "to";
+
+    private BitmessageContext bmCtx;
+    private BitmessageAddress identity;
+    private BitmessageAddress recipient;
+
+    /**
+     * Mandatory empty constructor for the fragment manager to instantiate the
+     * fragment (e.g. upon screen orientation changes).
+     */
+    public ComposeMessageFragment() {
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            if (getArguments().containsKey(ARG_IDENTITY)) {
+                identity = (BitmessageAddress) getArguments().getSerializable(ARG_IDENTITY);
+            }
+            if (getArguments().containsKey(ARG_RECIPIENT)) {
+                recipient = (BitmessageAddress) getArguments().getSerializable(ARG_RECIPIENT);
+            }
+        }
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.fragment_compose_message, container, false);
+        EditText body = (EditText) rootView.findViewById(R.id.body);
+        body.setInputType(EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE);
+        body.setImeOptions(EditorInfo.IME_ACTION_SEND | EditorInfo.IME_FLAG_NO_ENTER_ACTION);
+        return rootView;
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.compose, menu);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.send:
+                Toast.makeText(getActivity(), "TODO: Send", Toast.LENGTH_SHORT).show();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+}
+

app/src/main/java/ch/dissem/apps/abit/Identicon.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2015 Christian Basler
+ *
+ * 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 ch.dissem.apps.abit;
+
+
+import android.graphics.*;
+import android.graphics.drawable.Drawable;
+import ch.dissem.bitmessage.entity.BitmessageAddress;
+
+/**
+ *
+ */
+public class Identicon extends Drawable {
+    private static final int SIZE = 9;
+    private static final int CENTER_COLUMN = 5;
+
+    private final Paint paint;
+    private float cellWidth;
+    private float cellHeight;
+    private byte[] hash;
+    private int color;
+    private int background;
+    private boolean[][] fields;
+
+    public Identicon(BitmessageAddress input) {
+        paint = new Paint();
+        paint.setStyle(Paint.Style.FILL);
+        paint.setAntiAlias(true);
+
+        hash = input.getRipe();
+
+        fields = new boolean[SIZE][SIZE];
+        color = Color.HSVToColor(new float[]{Math.abs(hash[0] * hash[1] + hash[2]) % 360, 0.8f, 1.0f});
+        background = Color.HSVToColor(new float[]{Math.abs(hash[1] * hash[2] + hash[0]) % 360, 0.8f, 1.0f});
+
+        for (int row = 0; row < SIZE; row++) {
+            for (int column = 0; column < SIZE; column++) {
+                fields[row][column] = hash[(row * (column < CENTER_COLUMN ? column : SIZE - column - 1)) % hash.length] >= 0;
+            }
+        }
+    }
+
+    protected byte getByte(int index) {
+        return hash[index % hash.length];
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        float x, y;
+        paint.setColor(background);
+        canvas.drawPaint(paint);
+        paint.setColor(color);
+        for (int row = 0; row < SIZE; row++) {
+            for (int column = 0; column < SIZE; column++) {
+                if (fields[row][column]) {
+                    x = cellWidth * column;
+                    y = cellHeight * row;
+
+                    canvas.drawCircle(x + cellWidth / 2, y + cellHeight / 2, cellHeight / 2, paint);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+        paint.setAlpha(alpha);
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter cf) {
+        paint.setColorFilter(cf);
+    }
+
+    @Override
+    public int getOpacity() {
+        return PixelFormat.OPAQUE;
+    }
+
+    @Override
+    protected void onBoundsChange(Rect bounds) {
+        super.onBoundsChange(bounds);
+
+        cellWidth = bounds.width() / (float) SIZE;
+        cellHeight = bounds.height() / (float) SIZE;
+    }
+
+}

app/src/main/java/ch/dissem/apps/abit/MessageListActivity.java

@@ -5,13 +5,16 @@ import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.Menu;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.AdapterView;
+import android.widget.Toast;
 import ch.dissem.apps.abit.service.Singleton;
 import ch.dissem.bitmessage.BitmessageContext;
 import ch.dissem.bitmessage.entity.BitmessageAddress;
 import ch.dissem.bitmessage.entity.Plaintext;
 import ch.dissem.bitmessage.entity.valueobject.Label;
+import com.mikepenz.community_material_typeface_library.CommunityMaterial;
 import com.mikepenz.google_material_typeface_library.GoogleMaterial;
 import com.mikepenz.iconics.IconicsDrawable;
 import com.mikepenz.materialdrawer.Drawer;
@@ -59,6 +62,7 @@ public class MessageListActivity extends AppCompatActivity
     private AccountHeader accountHeader;
     private BitmessageContext bmc;
     private Label selectedLabel;
+    private Menu menu;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -68,7 +72,7 @@ public class MessageListActivity extends AppCompatActivity
 
         setContentView(R.layout.activity_message_list);
 
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        final Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
         if (findViewById(R.id.message_detail_container) != null) {
@@ -109,7 +113,7 @@ public class MessageListActivity extends AppCompatActivity
                         .withIdentifier(ADD_IDENTITY)
         );
         profiles.add(new ProfileSettingDrawerItem()
-                        .withName("Manage Account")
+                        .withName(getString(R.string.manage_identity))
                         .withIcon(GoogleMaterial.Icon.gmd_settings)
         );
         // Create the AccountHeader
@@ -150,6 +154,9 @@ public class MessageListActivity extends AppCompatActivity
                 .withAccountHeader(accountHeader)
                 .withDrawerItems(drawerItems)
                 .addStickyDrawerItems(
+                        new SecondaryDrawerItem()
+                                .withName(getString(R.string.subscriptions))
+                                .withIcon(CommunityMaterial.Icon.cmd_rss),
                         new SecondaryDrawerItem()
                                 .withName(R.string.settings)
                                 .withIcon(GoogleMaterial.Icon.gmd_settings)
@@ -162,6 +169,9 @@ public class MessageListActivity extends AppCompatActivity
                         } else if (item instanceof Nameable<?>) {
                             Nameable<?> ni = (Nameable<?>) item;
                             switch (ni.getNameRes()) {
+                                case R.string.subscriptions:
+                                    // TODO
+                                    break;
                                 case R.string.settings:
                                     startActivity(new Intent(MessageListActivity.this, SettingsActivity.class));
                                     break;
@@ -176,10 +186,37 @@ public class MessageListActivity extends AppCompatActivity
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.main, menu);
+        this.menu = menu;
+        updateMenu();
+        return true;
+    }
+
+    private void updateMenu() {
         boolean running = bmc.isRunning();
         menu.findItem(R.id.sync_enabled).setVisible(running);
         menu.findItem(R.id.sync_disabled).setVisible(!running);
-        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.sync_disabled:
+                bmc.startup(new BitmessageContext.Listener() {
+                    @Override
+                    public void receive(Plaintext plaintext) {
+                        // TODO
+                        Toast.makeText(MessageListActivity.this, plaintext.getSubject(), Toast.LENGTH_LONG).show();
+                    }
+                });
+                updateMenu();
+                return true;
+            case R.id.sync_enabled:
+                bmc.shutdown();
+                updateMenu();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
     }
 
     /**

app/src/main/java/ch/dissem/apps/abit/MessageListFragment.java

@@ -1,6 +1,7 @@
 package ch.dissem.apps.abit;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.design.widget.FloatingActionButton;
 import android.support.v4.app.ListFragment;
@@ -9,8 +10,6 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.Toast;
 import ch.dissem.apps.abit.service.Singleton;
 import ch.dissem.bitmessage.BitmessageContext;
 import ch.dissem.bitmessage.entity.Plaintext;
@@ -97,7 +96,7 @@ public class MessageListFragment extends ListFragment {
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Toast.makeText(MessageListFragment.this.getActivity(), "TODO", Toast.LENGTH_SHORT).show();
+                startActivity(new Intent(getActivity().getApplicationContext(), ComposeMessageActivity.class));
             }
         });
 

app/src/main/java/ch/dissem/apps/abit/OpenBitmessageLinkActivity.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2015 Christian Basler
+ *
+ * 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 ch.dissem.apps.abit;
+
+import android.app.Activity;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Switch;
+import android.widget.TextView;
+import ch.dissem.apps.abit.service.Singleton;
+import ch.dissem.bitmessage.BitmessageContext;
+import ch.dissem.bitmessage.entity.BitmessageAddress;
+
+public class OpenBitmessageLinkActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_open_bitmessage_link);
+
+        final TextView addressView = (TextView) findViewById(R.id.address);
+        final EditText label = (EditText) findViewById(R.id.label);
+        final Switch importContact = (Switch) findViewById(R.id.import_contact);
+        final Switch subscribe = (Switch) findViewById(R.id.subscribe);
+
+        Uri uri = getIntent().getData();
+        final String address = getAddress(uri);
+        String[] parameters = getParameters(uri);
+        for (String parameter : parameters) {
+            String name = parameter.substring(0, 6).toLowerCase();
+            if (name.startsWith("label")) {
+                label.setText(parameter.substring(parameter.indexOf('=') + 1).trim());
+            } else if (name.startsWith("action")) {
+                parameter = parameter.toLowerCase();
+                importContact.setChecked(parameter.contains("add"));
+                subscribe.setChecked(parameter.contains("subscribe"));
+            }
+        }
+
+        addressView.setText(address);
+
+
+        final Button cancel = (Button) findViewById(R.id.cancel);
+        cancel.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                setResult(Activity.RESULT_CANCELED);
+                finish();
+            }
+        });
+        final Button ok = (Button) findViewById(R.id.do_import);
+        ok.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                BitmessageContext bmc = Singleton.getBitmessageContext(OpenBitmessageLinkActivity.this);
+                BitmessageAddress bmAddress = new BitmessageAddress(address);
+                bmAddress.setAlias(label.getText().toString());
+                if (subscribe.isChecked()) {
+                    bmc.addSubscribtion(bmAddress);
+                }
+                if (importContact.isChecked()) {
+                    bmc.addContact(bmAddress);
+                }
+                setResult(Activity.RESULT_OK);
+                finish();
+            }
+        });
+    }
+
+    private String getAddress(Uri uri) {
+        StringBuilder result = new StringBuilder();
+        String schemeSpecificPart = uri.getSchemeSpecificPart();
+        if (!schemeSpecificPart.startsWith("BM-")) {
+            result.append("BM-");
+        }
+        if (schemeSpecificPart.contains("?")) {
+            result.append(schemeSpecificPart.substring(0, schemeSpecificPart.indexOf('?')));
+        } else if (schemeSpecificPart.contains("#")) {
+            result.append(schemeSpecificPart.substring(0, schemeSpecificPart.indexOf('#')));
+        } else {
+            result.append(schemeSpecificPart);
+        }
+        return result.toString();
+    }
+
+    private String[] getParameters(Uri uri) {
+        int index = uri.getSchemeSpecificPart().indexOf('?');
+        if (index >= 0) {
+            String parameterPart = uri.getSchemeSpecificPart().substring(index + 1);
+            return parameterPart.split("&");
+        } else {
+            return new String[0];
+        }
+    }
+}

app/src/main/java/ch/dissem/apps/abit/SQLiteConfig.java

@@ -1,37 +0,0 @@
-package ch.dissem.apps.abit;
-
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.Environment;
-import ch.dissem.bitmessage.repository.JdbcConfig;
-import org.flywaydb.core.api.android.ContextHolder;
-import org.sqldroid.SQLDroidDriver;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
-import java.util.Properties;
-
-/**
- * Created by chris on 14.07.15.
- */
-public class SQLiteConfig extends JdbcConfig {
-
-    public SQLiteConfig(Context ctx) {
-        super(getDbUrl(ctx), "", "");
-    }
-
-    private static String getDbUrl(Context ctx) {
-        SQLiteDatabase db = ctx.openOrCreateDatabase(Environment.getExternalStorageDirectory()
-                + "/jabit.db", Context.MODE_PRIVATE, null);
-        ContextHolder.setContext(ctx);
-        return "jdbc:sqlite:" + db.getPath() + "?timeout=5";
-    }
-
-    @Override
-    public Connection getConnection() throws SQLException {
-        Properties removeLocale = new Properties();
-        removeLocale.put(SQLDroidDriver.ADDITONAL_DATABASE_FLAGS, android.database.sqlite.SQLiteDatabase.NO_LOCALIZED_COLLATORS);
-        return DriverManager.getConnection(dbUrl, removeLocale);
-    }
-}

app/src/main/java/ch/dissem/apps/abit/repositories/AndroidInventory.java

@@ -0,0 +1,7 @@
+package ch.dissem.apps.abit.repositories;
+
+/**
+ * Created by chris on 14.08.15.
+ */
+public class AndroidInventory {
+}

app/src/main/java/im/delight/android/identicons/Identicon.java

@@ -1,213 +0,0 @@
-package im.delight.android.identicons;
-
-/**
- * Copyright 2014 www.delight.im <info@delight.im>
- *
- * 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.
- */
-
-import java.security.MessageDigest;
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.os.Build;
-import android.util.AttributeSet;
-import android.view.View;
-
-abstract public class Identicon extends View {
-
-    private static final String HASH_ALGORITHM = "SHA-256";
-    private final int mRowCount;
-    private final int mColumnCount;
-    private final Paint mPaint;
-    private volatile int mCellWidth;
-    private volatile int mCellHeight;
-    private volatile byte[] mHash;
-    private volatile int[][] mColors;
-    private volatile boolean mReady;
-
-    public Identicon(Context context) {
-        super(context);
-
-        mRowCount = getRowCount();
-        mColumnCount = getColumnCount();
-        mPaint = new Paint();
-
-        init();
-    }
-
-    public Identicon(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        mRowCount = getRowCount();
-        mColumnCount = getColumnCount();
-        mPaint = new Paint();
-
-        init();
-    }
-
-    public Identicon(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-
-        mRowCount = getRowCount();
-        mColumnCount = getColumnCount();
-        mPaint = new Paint();
-
-        init();
-    }
-
-    @SuppressLint("NewApi")
-    protected void init() {
-        mPaint.setStyle(Paint.Style.FILL);
-        mPaint.setAntiAlias(true);
-        mPaint.setDither(true);
-
-        setWillNotDraw(false);
-        if (Build.VERSION.SDK_INT >= 11) {
-            setLayerType(View.LAYER_TYPE_SOFTWARE, null);
-        }
-    }
-
-    public void show(String input) {
-        // if the input was null
-        if (input == null) {
-            // we can't create a hash value and have nothing to show (draw to the view)
-            mHash = null;
-        }
-        // if the input was a proper string (non-null)
-        else {
-            // generate a hash from the string to get unique but deterministic byte values
-            try {
-                final MessageDigest digest = java.security.MessageDigest.getInstance(HASH_ALGORITHM);
-                digest.update(input == null ? new byte[0] : input.getBytes());
-                mHash = digest.digest();
-            }
-            catch (Exception e) {
-                mHash = null;
-            }
-        }
-
-        // set up the cell colors according to the input that was provided via show(...)
-        setupColors();
-
-        // this view may now be drawn (and thus must be re-drawn)
-        mReady = true;
-        invalidate();
-    }
-
-    public void show(int input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(long input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(float input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(double input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(byte input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(char input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(boolean input) {
-        show(String.valueOf(input));
-    }
-
-    public void show(Object input) {
-        if (input == null) {
-            mHash = null;
-        }
-        else {
-            show(String.valueOf(input));
-        }
-    }
-
-    protected void setupColors() {
-        mColors = new int[mRowCount][mColumnCount];
-        int colorVisible = getIconColor();
-
-        for (int r = 0; r < mRowCount; r++) {
-            for (int c = 0; c < mColumnCount; c++) {
-                if (isCellVisible(r, c)) {
-                    mColors[r][c] = colorVisible;
-                }
-                else {
-                    mColors[r][c] = Color.TRANSPARENT;
-                }
-            }
-        }
-    }
-
-    protected byte getByte(int index) {
-        if (mHash == null) {
-            return -128;
-        }
-        else {
-            return mHash[index % mHash.length];
-        }
-    }
-
-    abstract protected int getRowCount();
-
-    abstract protected int getColumnCount();
-
-    abstract protected boolean isCellVisible(int row, int column);
-
-    abstract protected int getIconColor();
-
-    @Override
-    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
-        super.onSizeChanged(w, h, oldw, oldh);
-
-        mCellWidth = w / mColumnCount;
-        mCellHeight = h / mRowCount;
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        int size = Math.min(getMeasuredWidth(), getMeasuredHeight());
-        setMeasuredDimension(size, size);
-    }
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        if (mReady) {
-            int x, y;
-            for (int r = 0; r < mRowCount; r++) {
-                for (int c = 0; c < mColumnCount; c++) {
-                    x = mCellWidth * c;
-                    y = mCellHeight * r;
-
-                    mPaint.setColor(mColors[r][c]);
-
-                    canvas.drawRect(x, y + mCellHeight, x + mCellWidth, y, mPaint);
-                }
-            }
-        }
-    }
-
-}

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

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp">
+
+    <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="BM-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            android:id="@+id/address"/>
+
+    <android.support.design.widget.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/label_wrapper"
+            android:layout_below="@+id/address">
+
+        <EditText
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="textPersonName"
+                android:hint="@string/label"
+                android:id="@+id/label"/>
+
+    </android.support.design.widget.TextInputLayout>
+
+    <Switch
+            android:id="@+id/import_contact"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/import_contact"
+            android:layout_below="@+id/label_wrapper"
+            android:layout_centerHorizontal="true"
+            android:layout_marginTop="8dp"/>
+
+    <Switch
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/subscribe"
+            android:id="@+id/subscribe"
+            android:layout_below="@+id/import_contact"
+            android:layout_centerHorizontal="true"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp"/>
+
+    <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/do_import"
+            android:id="@+id/do_import"
+            android:layout_alignParentBottom="true"
+            android:layout_alignParentRight="true"
+            android:layout_alignParentEnd="true"/>
+
+    <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/cancel"
+            android:id="@+id/cancel"
+            android:layout_alignParentBottom="true"
+            android:layout_toLeftOf="@id/do_import"/>
+
+</RelativeLayout>

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

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true">
+
+    <android.support.design.widget.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingTop="4dp">
+
+        <EditText
+                android:id="@+id/recipient"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="textNoSuggestions"
+                android:singleLine="true"
+                android:hint="@string/to"/>
+
+    </android.support.design.widget.TextInputLayout>
+
+    <android.support.design.widget.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+        <EditText
+                android:id="@+id/subject"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="textEmailSubject"
+                android:textAppearance="?android:attr/textAppearanceLarge"
+                android:hint="@string/subject"/>
+
+    </android.support.design.widget.TextInputLayout>
+
+    <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1">
+
+        <EditText
+                android:id="@+id/body"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="textMultiLine"/>
+
+    </ScrollView>
+
+</LinearLayout>

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

@@ -2,7 +2,8 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                 xmlns:app="http://schemas.android.com/apk/res-auto"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent">
+                android:layout_height="match_parent"
+                xmlns:fab="http://schemas.android.com/tools">
 
     <ListView
             android:layout_width="wrap_content"
@@ -18,7 +19,7 @@
             android:id="@+id/fab_compose_message"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:src="@drawable/ic_plus_sign"
+            android:src="@drawable/ic_fab_compose_message"
             app:elevation="8dp"
             android:layout_alignParentBottom="true"
             android:layout_alignParentEnd="true"

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

@@ -1,26 +1,36 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                xmlns:app="http://schemas.android.com/apk/res-auto"
-                android:gravity="center"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent">
-
-    <android.support.v7.widget.Toolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
-            android:background="?attr/colorPrimary"
-            app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
-            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
-            android:elevation="4dp" />
+<android.support.design.widget.CoordinatorLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true">
 
     <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              xmlns:tools="http://schemas.android.com/tools"
-              android:layout_below="@id/toolbar"
-              android:id="@+id/content"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent"
-              tools:context=".MessageListActivity"
-              tools:layout="@android:layout/list_content"/>
-</RelativeLayout>
+                 xmlns:tools="http://schemas.android.com/tools"
+                 android:layout_below="@id/toolbar"
+                 android:id="@+id/content"
+                 android:layout_width="match_parent"
+                 android:layout_height="match_parent"
+                 tools:context=".MessageListActivity"
+                 tools:layout="@android:layout/list_content"
+                 app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    <android.support.design.widget.AppBarLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+        <android.support.v7.widget.Toolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:background="?attr/colorPrimary"
+                android:elevation="4dp"
+                app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
+                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
+                app:layout_scrollFlags="scroll|enterAlways"/>
+
+    </android.support.design.widget.AppBarLayout>
+
+</android.support.design.widget.CoordinatorLayout>
 

app/src/main/res/menu/compose.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+            android:id="@+id/send"
+            app:showAsAction="always"
+            android:icon="@drawable/ic_action_send"
+            android:title="@string/disable_sync"/>`
+</menu>

app/src/main/res/values-de/strings.xml

@@ -4,4 +4,14 @@
     <string name="settings">Einstellungen</string>
     <string name="wifi_only">Nur WLAN</string>
     <string name="wifi_only_summary">Nicht mit Mobilfunknetz verbinden</string>
+    <string name="bitmessage_active">Bitmessage ist aktiv</string>
+    <string name="disable_sync">Synchronisieren ausschalten</string>
+    <string name="emoji_input">Eingabe von Emojis</string>
+    <string name="emoji_input_summary">Emoji-Taste anstelle von Eingabe anzeigen</string>
+    <string name="enable_sync">Synchronisieren einschalten</string>
+    <string name="subject">Betreff</string>
+    <string name="to">An</string>
+    <string name="title_message_detail">Nachricht</string>
+    <string name="subscriptions">Abonnements</string>
+    <string name="wifi_mode">Art der WLAN-Verbindung</string>
 </resources>

app/src/main/res/values-w820dp/dimens.xml

@@ -0,0 +1,22 @@
+<!--
+  ~ Copyright 2015 Christian Basler
+  ~
+  ~ 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.
+  -->
+
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

app/src/main/res/values/colors.xml

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Palette generated by Material Palette - materialpalette.com/blue-grey/orange -->
 <resources>
-  <color name="primary">#607D8B</color>
-  <color name="primary_dark">#455A64</color>
-  <color name="primary_light">#CFD8DC</color>
-  <color name="accent">#FF9800</color>
+  <color name="primary">#FFC107</color>
+  <color name="primary_dark">#FFA000</color>
+  <color name="primary_light">#FFECB3</color>
+  <color name="accent">#607D8B</color>
   <color name="primary_text">#212121</color>
   <color name="secondary_text">#727272</color>
-  <color name="icons">#FFFFFF</color>
+  <color name="icons">#212121</color>
   <color name="divider">#B6B6B6</color>
 </resources>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,21 @@
+<!--
+  ~ Copyright 2015 Christian Basler
+  ~
+  ~ 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.
+  -->
+
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

app/src/main/res/values/strings.xml

@@ -8,4 +8,22 @@
     <string name="settings">Settings</string>
     <string name="wifi_only">Wi-Fi only</string>
     <string name="wifi_only_summary">Don\'t connect to the mobile network</string>
+    <string name="subscriptions">Subscriptions</string>
+    <string name="to">To</string>
+    <string name="subject">Subject</string>
+    <string name="emoji_input">Emoji Input</string>
+    <string name="emoji_input_summary">Show the emoji button instead of enter</string>
+    <string name="manage_identity">Manage Identity</string>
+    <string name="add_identity">Add Identity</string>
+    <string name="add_identity_summary">Create new identity</string>
+    <string name="title_activity_open_bitmessage_link">Import Contact</string>
+
+    <string name="hello_world">Hello world!</string>
+    <string name="action_settings">Settings</string>
+    <string name="import_address">Import Address</string>
+    <string name="import_contact">Add to contacts</string>
+    <string name="label">Label</string>
+    <string name="subscribe">Subscribe</string>
+    <string name="do_import">Import</string>
+    <string name="cancel">Cancel</string>
 </resources>