Merge "todos: Adopting the new breaking changes in Syncbase API where db.createTable and db.deleteTable were deprecated in favour of table.create and table.destroy."
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 5765998..4792982 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -10,4 +10,5 @@
 #     Name <email address>
 Adam Sadovsky <sadovsky@google.com>
 Ivan Pilat <ivanpi@google.com>
+Ken Ashcraft <kash@google.com>
 Nicolas LaCasse <nlacasse@google.com>
diff --git a/android/.gitignore b/android/.gitignore
new file mode 100644
index 0000000..a881469
--- /dev/null
+++ b/android/.gitignore
@@ -0,0 +1,6 @@
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
diff --git a/android/android.iml b/android/android.iml
new file mode 100644
index 0000000..d16e6dc
--- /dev/null
+++ b/android/android.iml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="android" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="java-gradle" name="Java-Gradle">
+      <configuration>
+        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
+        <option name="BUILDABLE" value="false" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/android/app/.gitignore b/android/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/android/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/android/app/app.iml b/android/app/app.iml
new file mode 100644
index 0000000..0cce8e6
--- /dev/null
+++ b/android/app/app.iml
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="android" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="android-gradle" name="Android-Gradle">
+      <configuration>
+        <option name="GRADLE_PROJECT_PATH" value=":app" />
+      </configuration>
+    </facet>
+    <facet type="android" name="Android">
+      <configuration>
+        <option name="SELECTED_BUILD_VARIANT" value="debug" />
+        <option name="SELECTED_TEST_ARTIFACT" value="_android_test_" />
+        <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
+        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
+        <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugAndroidTest" />
+        <option name="COMPILE_JAVA_TEST_TASK_NAME" value="compileDebugAndroidTestSources" />
+        <afterSyncTasks>
+          <task>generateDebugAndroidTestSources</task>
+          <task>generateDebugSources</task>
+        </afterSyncTasks>
+        <option name="ALLOW_USER_CONFIGURATION" value="false" />
+        <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
+        <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
+        <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res" />
+        <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="false">
+    <output url="file://$MODULE_DIR$/build/intermediates/classes/debug" />
+    <output-test url="file://$MODULE_DIR$/build/intermediates/classes/androidTest/debug" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/debug" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/androidTest/debug" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/androidTest/debug" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/androidTest/debug" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/androidTest/debug" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/coverage-instrumented-classes" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.0.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/23.0.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/libs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/ndk" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/proguard" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
+      <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
+    </content>
+    <orderEntry type="jdk" jdkName="Android API 23 Platform" jdkType="Android SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" exported="" name="support-v4-23.0.1" level="project" />
+    <orderEntry type="library" exported="" name="appcompat-v7-23.0.1" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-23.0.1" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/android/app/build.gradle b/android/app/build.gradle
new file mode 100644
index 0000000..429ec1a
--- /dev/null
+++ b/android/app/build.gradle
@@ -0,0 +1,25 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
+
+    defaultConfig {
+        applicationId "io.v.android.apps.todos"
+        minSdkVersion 19
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile 'com.android.support:appcompat-v7:23.0.1'
+}
diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
new file mode 100644
index 0000000..f481f05
--- /dev/null
+++ b/android/app/proguard-rules.pro
@@ -0,0 +1,17 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /usr/local/google/home/kash/Android/Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
diff --git a/android/app/src/androidTest/java/io/v/android/apps/todos/ApplicationTest.java b/android/app/src/androidTest/java/io/v/android/apps/todos/ApplicationTest.java
new file mode 100644
index 0000000..ed3a83b
--- /dev/null
+++ b/android/app/src/androidTest/java/io/v/android/apps/todos/ApplicationTest.java
@@ -0,0 +1,13 @@
+package io.v.android.apps.todos;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}
\ No newline at end of file
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..32144c4
--- /dev/null
+++ b/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.v.android.apps.todos" >
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name=".PickListActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
diff --git a/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java b/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java
new file mode 100644
index 0000000..f548396
--- /dev/null
+++ b/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java
@@ -0,0 +1,282 @@
+package io.v.android.apps.todos;
+
+import android.support.v7.app.AppCompatActivity;
+import android.app.Activity;
+import android.support.v7.app.ActionBar;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.ActionBarDrawerToggle;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.widget.DrawerLayout;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+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.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.Toast;
+
+/**
+ * Fragment used for managing interactions for and presentation of a navigation drawer.
+ * See the <a href="https://developer.android.com/design/patterns/navigation-drawer.html#Interaction">
+ * design guidelines</a> for a complete explanation of the behaviors implemented here.
+ */
+public class NavigationDrawerFragment extends Fragment {
+
+    /**
+     * Remember the position of the selected item.
+     */
+    private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";
+
+    /**
+     * Per the design guidelines, you should show the drawer on launch until the user manually
+     * expands it. This shared preference tracks this.
+     */
+    private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";
+
+    /**
+     * A pointer to the current callbacks instance (the Activity).
+     */
+    private NavigationDrawerCallbacks mCallbacks;
+
+    /**
+     * Helper component that ties the action bar to the navigation drawer.
+     */
+    private ActionBarDrawerToggle mDrawerToggle;
+
+    private DrawerLayout mDrawerLayout;
+    private ListView mDrawerListView;
+    private View mFragmentContainerView;
+
+    private int mCurrentSelectedPosition = 0;
+    private boolean mFromSavedInstanceState;
+    private boolean mUserLearnedDrawer;
+
+    public NavigationDrawerFragment() {
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Read in the flag indicating whether or not the user has demonstrated awareness of the
+        // drawer. See PREF_USER_LEARNED_DRAWER for details.
+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);
+
+        if (savedInstanceState != null) {
+            mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION);
+            mFromSavedInstanceState = true;
+        }
+
+        // Select either the default item (0) or the last selected item.
+        selectItem(mCurrentSelectedPosition);
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        // Indicate that this fragment would like to influence the set of actions in the action bar.
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        mDrawerListView = (ListView) inflater.inflate(
+                R.layout.fragment_navigation_drawer, container, false);
+        mDrawerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                selectItem(position);
+            }
+        });
+        mDrawerListView.setAdapter(new ArrayAdapter<String>(
+                getActionBar().getThemedContext(),
+                android.R.layout.simple_list_item_activated_1,
+                android.R.id.text1,
+                new String[]{
+                        getString(R.string.title_section1),
+                        getString(R.string.title_section2),
+                        getString(R.string.title_section3),
+                }));
+        mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
+        return mDrawerListView;
+    }
+
+    public boolean isDrawerOpen() {
+        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerView);
+    }
+
+    /**
+     * Users of this fragment must call this method to set up the navigation drawer interactions.
+     *
+     * @param fragmentId   The android:id of this fragment in its activity's layout.
+     * @param drawerLayout The DrawerLayout containing this fragment's UI.
+     */
+    public void setUp(int fragmentId, DrawerLayout drawerLayout) {
+        mFragmentContainerView = getActivity().findViewById(fragmentId);
+        mDrawerLayout = drawerLayout;
+
+        // set a custom shadow that overlays the main content when the drawer opens
+        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
+        // set up the drawer's list view with items and click listener
+
+        ActionBar actionBar = getActionBar();
+        actionBar.setDisplayHomeAsUpEnabled(true);
+        actionBar.setHomeButtonEnabled(true);
+
+        // ActionBarDrawerToggle ties together the the proper interactions
+        // between the navigation drawer and the action bar app icon.
+        mDrawerToggle = new ActionBarDrawerToggle(
+                getActivity(),                    /* host Activity */
+                mDrawerLayout,                    /* DrawerLayout object */
+                R.drawable.ic_drawer,             /* nav drawer image to replace 'Up' caret */
+                R.string.navigation_drawer_open,  /* "open drawer" description for accessibility */
+                R.string.navigation_drawer_close  /* "close drawer" description for accessibility */
+        ) {
+            @Override
+            public void onDrawerClosed(View drawerView) {
+                super.onDrawerClosed(drawerView);
+                if (!isAdded()) {
+                    return;
+                }
+
+                getActivity().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()
+            }
+
+            @Override
+            public void onDrawerOpened(View drawerView) {
+                super.onDrawerOpened(drawerView);
+                if (!isAdded()) {
+                    return;
+                }
+
+                if (!mUserLearnedDrawer) {
+                    // The user manually opened the drawer; store this flag to prevent auto-showing
+                    // the navigation drawer automatically in the future.
+                    mUserLearnedDrawer = true;
+                    SharedPreferences sp = PreferenceManager
+                            .getDefaultSharedPreferences(getActivity());
+                    sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();
+                }
+
+                getActivity().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()
+            }
+        };
+
+        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,
+        // per the navigation drawer design guidelines.
+        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
+            mDrawerLayout.openDrawer(mFragmentContainerView);
+        }
+
+        // Defer code dependent on restoration of previous instance state.
+        mDrawerLayout.post(new Runnable() {
+            @Override
+            public void run() {
+                mDrawerToggle.syncState();
+            }
+        });
+
+        mDrawerLayout.setDrawerListener(mDrawerToggle);
+    }
+
+    private void selectItem(int position) {
+        mCurrentSelectedPosition = position;
+        if (mDrawerListView != null) {
+            mDrawerListView.setItemChecked(position, true);
+        }
+        if (mDrawerLayout != null) {
+            mDrawerLayout.closeDrawer(mFragmentContainerView);
+        }
+        if (mCallbacks != null) {
+            mCallbacks.onNavigationDrawerItemSelected(position);
+        }
+    }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        try {
+            mCallbacks = (NavigationDrawerCallbacks) activity;
+        } catch (ClassCastException e) {
+            throw new ClassCastException("Activity must implement NavigationDrawerCallbacks.");
+        }
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        mCallbacks = null;
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);
+    }
+
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        // Forward the new configuration the drawer toggle component.
+        mDrawerToggle.onConfigurationChanged(newConfig);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        // If the drawer is open, show the global app actions in the action bar. See also
+        // showGlobalContextActionBar, which controls the top-left area of the action bar.
+        if (mDrawerLayout != null && isDrawerOpen()) {
+            inflater.inflate(R.menu.global, menu);
+            showGlobalContextActionBar();
+        }
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (mDrawerToggle.onOptionsItemSelected(item)) {
+            return true;
+        }
+
+        if (item.getItemId() == R.id.action_example) {
+            Toast.makeText(getActivity(), "Example action.", Toast.LENGTH_SHORT).show();
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    /**
+     * Per the navigation drawer design guidelines, updates the action bar to show the global app
+     * 'context', rather than just what's in the current screen.
+     */
+    private void showGlobalContextActionBar() {
+        ActionBar actionBar = getActionBar();
+        actionBar.setDisplayShowTitleEnabled(true);
+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
+        actionBar.setTitle(R.string.app_name);
+    }
+
+    private ActionBar getActionBar() {
+        return ((AppCompatActivity) getActivity()).getSupportActionBar();
+    }
+
+    /**
+     * Callbacks interface that all activities using this fragment must implement.
+     */
+    public static interface NavigationDrawerCallbacks {
+        /**
+         * Called when an item in the navigation drawer is selected.
+         */
+        void onNavigationDrawerItemSelected(int position);
+    }
+}
diff --git a/android/app/src/main/java/io/v/android/apps/todos/PickListActivity.java b/android/app/src/main/java/io/v/android/apps/todos/PickListActivity.java
new file mode 100644
index 0000000..a64e51f
--- /dev/null
+++ b/android/app/src/main/java/io/v/android/apps/todos/PickListActivity.java
@@ -0,0 +1,148 @@
+package io.v.android.apps.todos;
+
+import android.app.Activity;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.app.ActionBar;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.support.v4.widget.DrawerLayout;
+import android.widget.ArrayAdapter;
+import android.widget.TextView;
+
+public class PickListActivity extends AppCompatActivity
+        implements NavigationDrawerFragment.NavigationDrawerCallbacks {
+
+    /**
+     * Fragment managing the behaviors, interactions and presentation of the navigation drawer.
+     */
+    private NavigationDrawerFragment mNavigationDrawerFragment;
+
+    /**
+     * Used to store the last screen title. For use in {@link #restoreActionBar()}.
+     */
+    private CharSequence mTitle;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_pick_list);
+
+        mNavigationDrawerFragment = (NavigationDrawerFragment)
+                getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);
+        mTitle = getTitle();
+
+        // Set up the drawer.
+        mNavigationDrawerFragment.setUp(
+                R.id.navigation_drawer,
+                (DrawerLayout) findViewById(R.id.drawer_layout));
+    }
+
+    @Override
+    public void onNavigationDrawerItemSelected(int position) {
+        // update the main content by replacing fragments
+        FragmentManager fragmentManager = getSupportFragmentManager();
+        fragmentManager.beginTransaction()
+                .replace(R.id.container, PlaceholderFragment.newInstance(position + 1))
+                .commit();
+    }
+
+    public void onSectionAttached(int number) {
+        switch (number) {
+            case 1:
+                mTitle = getString(R.string.title_section1);
+                break;
+            case 2:
+                mTitle = getString(R.string.title_section2);
+                break;
+            case 3:
+                mTitle = getString(R.string.title_section3);
+                break;
+        }
+    }
+
+    public void restoreActionBar() {
+        ActionBar actionBar = getSupportActionBar();
+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
+        actionBar.setDisplayShowTitleEnabled(true);
+        actionBar.setTitle(mTitle);
+    }
+
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        if (!mNavigationDrawerFragment.isDrawerOpen()) {
+            // Only show items in the action bar relevant to this screen
+            // if the drawer is not showing. Otherwise, let the drawer
+            // decide what to show in the action bar.
+            getMenuInflater().inflate(R.menu.pick_list, menu);
+            restoreActionBar();
+            return true;
+        }
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    /**
+     * A placeholder fragment containing a simple view.
+     */
+    public static class PlaceholderFragment extends Fragment {
+        /**
+         * The fragment argument representing the section number for this
+         * fragment.
+         */
+        private static final String ARG_SECTION_NUMBER = "section_number";
+
+        /**
+         * Returns a new instance of this fragment for the given section
+         * number.
+         */
+        public static PlaceholderFragment newInstance(int sectionNumber) {
+            PlaceholderFragment fragment = new PlaceholderFragment();
+            Bundle args = new Bundle();
+            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
+            fragment.setArguments(args);
+            return fragment;
+        }
+
+        public PlaceholderFragment() {
+        }
+
+        @Override
+        public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                                 Bundle savedInstanceState) {
+            View rootView = inflater.inflate(R.layout.fragment_pick_list, container, false);
+            return rootView;
+        }
+
+        @Override
+        public void onAttach(Activity activity) {
+            super.onAttach(activity);
+            ((PickListActivity) activity).onSectionAttached(
+                    getArguments().getInt(ARG_SECTION_NUMBER));
+        }
+    }
+
+}
diff --git a/android/app/src/main/res/drawable-hdpi/drawer_shadow.9.png b/android/app/src/main/res/drawable-hdpi/drawer_shadow.9.png
new file mode 100644
index 0000000..236bff5
--- /dev/null
+++ b/android/app/src/main/res/drawable-hdpi/drawer_shadow.9.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-hdpi/ic_drawer.png b/android/app/src/main/res/drawable-hdpi/ic_drawer.png
new file mode 100644
index 0000000..c59f601
--- /dev/null
+++ b/android/app/src/main/res/drawable-hdpi/ic_drawer.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-mdpi/drawer_shadow.9.png b/android/app/src/main/res/drawable-mdpi/drawer_shadow.9.png
new file mode 100644
index 0000000..ffe3a28
--- /dev/null
+++ b/android/app/src/main/res/drawable-mdpi/drawer_shadow.9.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-mdpi/ic_drawer.png b/android/app/src/main/res/drawable-mdpi/ic_drawer.png
new file mode 100644
index 0000000..1ed2c56
--- /dev/null
+++ b/android/app/src/main/res/drawable-mdpi/ic_drawer.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-xhdpi/drawer_shadow.9.png b/android/app/src/main/res/drawable-xhdpi/drawer_shadow.9.png
new file mode 100644
index 0000000..fabe9d9
--- /dev/null
+++ b/android/app/src/main/res/drawable-xhdpi/drawer_shadow.9.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-xhdpi/ic_drawer.png b/android/app/src/main/res/drawable-xhdpi/ic_drawer.png
new file mode 100644
index 0000000..a5fa74d
--- /dev/null
+++ b/android/app/src/main/res/drawable-xhdpi/ic_drawer.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-xxhdpi/drawer_shadow.9.png b/android/app/src/main/res/drawable-xxhdpi/drawer_shadow.9.png
new file mode 100644
index 0000000..b91e9d7
--- /dev/null
+++ b/android/app/src/main/res/drawable-xxhdpi/drawer_shadow.9.png
Binary files differ
diff --git a/android/app/src/main/res/drawable-xxhdpi/ic_drawer.png b/android/app/src/main/res/drawable-xxhdpi/ic_drawer.png
new file mode 100644
index 0000000..9c4685d
--- /dev/null
+++ b/android/app/src/main/res/drawable-xxhdpi/ic_drawer.png
Binary files differ
diff --git a/android/app/src/main/res/layout/activity_pick_list.xml b/android/app/src/main/res/layout/activity_pick_list.xml
new file mode 100644
index 0000000..d39fe60
--- /dev/null
+++ b/android/app/src/main/res/layout/activity_pick_list.xml
@@ -0,0 +1,25 @@
+<!-- A DrawerLayout is intended to be used as the top-level content view using match_parent for both width and height to consume the full space available. -->
+<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drawer_layout"
+    android:layout_width="match_parent" android:layout_height="match_parent"
+    tools:context=".PickListActivity">
+
+    <!-- As the main content view, the view below consumes the entire
+         space available using match_parent in both dimensions. -->
+    <FrameLayout android:id="@+id/container" android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <!-- android:layout_gravity="start" tells DrawerLayout to treat
+         this as a sliding drawer on the left side for left-to-right
+         languages and on the right side for right-to-left languages.
+         If you're not building against API 17 or higher, use
+         android:layout_gravity="left" instead. -->
+    <!-- The drawer is given a fixed width in dp and extends the full height of
+         the container. -->
+    <fragment android:id="@+id/navigation_drawer"
+        android:layout_width="@dimen/navigation_drawer_width" android:layout_height="match_parent"
+        android:layout_gravity="start"
+        android:name="io.v.android.apps.todos.NavigationDrawerFragment"
+        tools:layout="@layout/fragment_navigation_drawer" />
+
+</android.support.v4.widget.DrawerLayout>
diff --git a/android/app/src/main/res/layout/fragment_navigation_drawer.xml b/android/app/src/main/res/layout/fragment_navigation_drawer.xml
new file mode 100644
index 0000000..c05742d
--- /dev/null
+++ b/android/app/src/main/res/layout/fragment_navigation_drawer.xml
@@ -0,0 +1,5 @@
+<ListView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
+    android:layout_height="match_parent" android:choiceMode="singleChoice"
+    android:divider="@android:color/transparent" android:dividerHeight="0dp"
+    android:background="#cccc" tools:context=".NavigationDrawerFragment" />
diff --git a/android/app/src/main/res/layout/fragment_pick_list.xml b/android/app/src/main/res/layout/fragment_pick_list.xml
new file mode 100644
index 0000000..50aa1fa
--- /dev/null
+++ b/android/app/src/main/res/layout/fragment_pick_list.xml
@@ -0,0 +1,12 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
+    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    tools:context=".PickListActivity$PlaceholderFragment">
+
+    <TextView android:id="@+id/section_label" android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+</RelativeLayout>
diff --git a/android/app/src/main/res/menu/global.xml b/android/app/src/main/res/menu/global.xml
new file mode 100644
index 0000000..326a6a7
--- /dev/null
+++ b/android/app/src/main/res/menu/global.xml
@@ -0,0 +1,5 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item android:id="@+id/action_settings" android:title="@string/action_settings"
+        android:orderInCategory="100" app:showAsAction="never" />
+</menu>
diff --git a/android/app/src/main/res/menu/pick_list.xml b/android/app/src/main/res/menu/pick_list.xml
new file mode 100644
index 0000000..11b68a3
--- /dev/null
+++ b/android/app/src/main/res/menu/pick_list.xml
@@ -0,0 +1,8 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools" tools:context=".PickListActivity">
+    <item android:id="@+id/action_example" android:title="@string/action_example"
+        app:showAsAction="withText|ifRoom" />
+    <item android:id="@+id/action_settings" android:title="@string/action_settings"
+        android:orderInCategory="100" app:showAsAction="never" />
+</menu>
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..cde69bc
--- /dev/null
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..c133a0c
--- /dev/null
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..bfa42f0
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..324e72c
--- /dev/null
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/android/app/src/main/res/values-w820dp/dimens.xml b/android/app/src/main/res/values-w820dp/dimens.xml
new file mode 100644
index 0000000..63fc816
--- /dev/null
+++ b/android/app/src/main/res/values-w820dp/dimens.xml
@@ -0,0 +1,6 @@
+<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>
diff --git a/android/app/src/main/res/values/dimens.xml b/android/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..074e7a0
--- /dev/null
+++ b/android/app/src/main/res/values/dimens.xml
@@ -0,0 +1,9 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+
+    <!-- Per the design guidelines, navigation drawers should be between 240dp and 320dp:
+         https://developer.android.com/design/patterns/navigation-drawer.html -->
+    <dimen name="navigation_drawer_width">240dp</dimen>
+</resources>
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..b32e069
--- /dev/null
+++ b/android/app/src/main/res/values/strings.xml
@@ -0,0 +1,14 @@
+<resources>
+    <string name="app_name">Todos</string>
+
+    <string name="title_section1">Section 1</string>
+    <string name="title_section2">Section 2</string>
+    <string name="title_section3">Section 3</string>
+
+    <string name="navigation_drawer_open">Open navigation drawer</string>
+    <string name="navigation_drawer_close">Close navigation drawer</string>
+
+    <string name="action_example">Example action</string>
+
+    <string name="action_settings">Settings</string>
+</resources>
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..766ab99
--- /dev/null
+++ b/android/app/src/main/res/values/styles.xml
@@ -0,0 +1,8 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+
+</resources>
diff --git a/android/build.gradle b/android/build.gradle
new file mode 100644
index 0000000..1b7886d
--- /dev/null
+++ b/android/build.gradle
@@ -0,0 +1,19 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:1.3.0'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
diff --git a/android/gradle.properties b/android/gradle.properties
new file mode 100644
index 0000000..1d3591c
--- /dev/null
+++ b/android/gradle.properties
@@ -0,0 +1,18 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
\ No newline at end of file
diff --git a/android/gradle/wrapper/gradle-wrapper.jar b/android/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..8c0fb64
--- /dev/null
+++ b/android/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..95141b4
--- /dev/null
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Sep 04 11:20:52 PDT 2015
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
diff --git a/android/gradlew b/android/gradlew
new file mode 100755
index 0000000..91a7e26
--- /dev/null
+++ b/android/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/android/gradlew.bat b/android/gradlew.bat
new file mode 100644
index 0000000..aec9973
--- /dev/null
+++ b/android/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windowz variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+if "%@eval[2+2]" == "4" goto 4NT_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+goto execute

+

+:4NT_args

+@rem Get arguments from the 4NT Shell from JP Software

+set CMD_LINE_ARGS=%$

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/android/settings.gradle b/android/settings.gradle
new file mode 100644
index 0000000..e7b4def
--- /dev/null
+++ b/android/settings.gradle
@@ -0,0 +1 @@
+include ':app'