initial import

43 files changed, 838 insertions, 0 deletions

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..2d010dd
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.javispedro.wallmotion">
+
+    <uses-feature
+        android:name="android.software.live_wallpaper"
+        android:required="true" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+
+        <service
+            android:name=".WallService"
+            android:permission="android.permission.BIND_WALLPAPER">
+            <intent-filter>
+                <action android:name="android.service.wallpaper.WallpaperService" />
+            </intent-filter>
+            <meta-data android:name="android.service.wallpaper"
+                android:resource="@xml/wallpaper" />
+        </service>
+
+        <activity
+            android:name=".SettingsActivity"
+            android:label="@string/title_activity_settings"
+            android:exported="true">
+        </activity>
+
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/app/src/main/ic_launcher-web.png b/app/src/main/ic_launcher-web.png
new file mode 100644
index 0000000..c80c1c7
--- /dev/null
+++ b/app/src/main/ic_launcher-web.png
diff --git a/app/src/main/java/com/javispedro/wallmotion/MainActivity.java b/app/src/main/java/com/javispedro/wallmotion/MainActivity.java
new file mode 100644
index 0000000..c6859ae
--- /dev/null
+++ b/app/src/main/java/com/javispedro/wallmotion/MainActivity.java
@@ -0,0 +1,117 @@
+package com.javispedro.wallmotion;
+
+import android.app.WallpaperManager;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.os.Bundle;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.util.Log;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.View;
+import android.view.Menu;
+import android.view.MenuItem;
+
+public class MainActivity extends AppCompatActivity {
+    private static final String TAG = "MainActivity";
+
+    private Renderer renderer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab = findViewById(R.id.set_wallpaper);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                openWallpaperSelector();
+            }
+        });
+
+        SurfaceView view = findViewById(R.id.wallpaper_view);
+        view.getHolder().addCallback(new WallpaperViewCallback());
+
+        renderer = new Renderer(this);
+    }
+
+    @Override
+    protected void onDestroy() {
+        renderer.stop();
+        renderer = null;
+
+        super.onDestroy();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @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();
+
+        if (id == R.id.action_settings) {
+            openSettingsActivity();
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        renderer.stop();
+        super.onPause();
+    }
+
+    private class WallpaperViewCallback implements SurfaceHolder.Callback {
+        @Override
+        public void surfaceCreated(SurfaceHolder holder) {
+            Log.d(TAG, "surfaceCreated");
+            renderer.start(holder.getSurface());
+        }
+
+        @Override
+        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+
+        }
+
+        @Override
+        public void surfaceDestroyed(SurfaceHolder holder) {
+            Log.d(TAG, "surfaceDestroyed");
+            renderer.stop();
+        }
+    }
+
+    private void openSettingsActivity() {
+        Intent intent = new Intent(this, SettingsActivity.class);
+        startActivity(intent);
+    }
+
+    private void openWallpaperSelector() {
+        Intent intent = new Intent(WallpaperManager.ACTION_CHANGE_LIVE_WALLPAPER);
+        intent.putExtra(WallpaperManager.EXTRA_LIVE_WALLPAPER_COMPONENT,
+                new ComponentName(this, WallService.class));
+        startActivity(intent);
+    }
+}
diff --git a/app/src/main/java/com/javispedro/wallmotion/Renderer.java b/app/src/main/java/com/javispedro/wallmotion/Renderer.java
new file mode 100644
index 0000000..6730afe
--- /dev/null
+++ b/app/src/main/java/com/javispedro/wallmotion/Renderer.java
@@ -0,0 +1,183 @@
+package com.javispedro.wallmotion;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.SharedPreferences;
+import android.media.MediaPlayer;
+import android.net.Uri;
+import android.os.Build;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.Surface;
+
+import androidx.preference.PreferenceManager;
+
+import java.io.IOException;
+
+public class Renderer extends ContextWrapper {
+    private static final String TAG = "Renderer";
+
+    private SharedPreferences prefs;
+    private MediaPlayer player;
+
+    private int savedPosition;
+
+    public Renderer(Context context) {
+        super(context);
+
+        prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        prefs.registerOnSharedPreferenceChangeListener(new PrefsListener());
+    }
+
+    public boolean isActive() {
+        return player != null;
+    }
+
+    public void start(Surface surface) {
+        preparePlayer(surface);
+    }
+
+    public void stop() {
+        if (player != null && player.isPlaying() && shouldSaveRestorePosition()) {
+            savedPosition = player.getCurrentPosition();
+            Log.d(TAG, "storing current position: " + savedPosition + " ms");
+        }
+        releasePlayer();
+    }
+
+    public void reset() {
+        releasePlayer();
+        savedPosition = 0;
+    }
+
+    private class PrefsListener implements SharedPreferences.OnSharedPreferenceChangeListener {
+        @Override
+        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+            if (key.equals(getString(R.string.settings_video_file_key))) {
+                Log.d(TAG, "video file key changed");
+                reset();
+            } else if (key.equals(getString(R.string.settings_display_restart_key))) {
+                savedPosition = 0;
+            }
+        }
+    }
+
+    private class PlayerListener implements MediaPlayer.OnPreparedListener, MediaPlayer.OnErrorListener, MediaPlayer.OnSeekCompleteListener {
+        @Override
+        public boolean onError(MediaPlayer mp, int what, int extra) {
+            Log.e(TAG, "MediaPlayer error: " + what + " extra:" + extra);
+            return false;
+        }
+
+        @Override
+        public void onPrepared(MediaPlayer mp) {
+            Log.d(TAG, "onPrepared");
+            if (player != null && !player.isPlaying()) {
+                Log.d(TAG, "start playing");
+                if (savedPosition > 0 && shouldSaveRestorePosition()) {
+                    restorePlayerPosition();
+                }
+                player.start();
+            }
+        }
+
+        @Override
+        public void onSeekComplete(MediaPlayer mp) {
+            Log.d(TAG, "onSeekComplete: " + mp.getCurrentPosition() + " ms");
+        }
+    }
+
+    private void preparePlayer(Surface surface) {
+        releasePlayer();
+
+        int scaling = getVideoScaling();
+        Log.d(TAG, "video scaling mode: " + scaling);
+
+        Uri uri = getVideoFileUri();
+        if (uri == null) {
+            Log.d(TAG, "no video URI: using missing video URI");
+            uri = getResourceVideoFileUri(R.raw.video_file_missing);
+            scaling = MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT;
+        }
+
+        try {
+            preparePlayer(surface, uri, scaling);
+        } catch (Exception ex) {
+            Log.e(TAG, "Could not open video URI: " + uri.toString() + " : " + ex.toString());
+            ex.printStackTrace();
+            releasePlayer();
+
+            uri = getResourceVideoFileUri(R.raw.video_file_error);
+            scaling = MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT;
+
+            try {
+                preparePlayer(surface, uri, scaling);
+            } catch (Exception ex2) {
+                Log.e(TAG, "Could not open error video URI either: " + ex2.toString());
+                ex2.printStackTrace();
+                releasePlayer();
+            }
+        }
+    }
+
+    private void preparePlayer(Surface surface, Uri uri, int scaling) throws IOException {
+        Log.d(TAG, "creating player");
+        player = new MediaPlayer();
+        PlayerListener listener = new PlayerListener();
+        player.setOnErrorListener(listener);
+        player.setOnPreparedListener(listener);
+        player.setOnSeekCompleteListener(listener);
+        player.setLooping(true);
+        player.setVolume(0, 0);
+        player.setSurface(surface);
+        Log.d(TAG, "setting data source to " + uri.toString());
+        player.setDataSource(this, uri);
+        player.setVideoScalingMode(scaling);
+        player.prepareAsync();
+    }
+
+    private void releasePlayer() {
+        if (player != null) {
+            Log.d(TAG, "releasing player");
+            player.release();
+            player = null;
+        }
+    }
+
+    private void restorePlayerPosition() {
+        Log.d(TAG, "seeking to " + savedPosition + " ms");
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            player.seekTo(savedPosition, MediaPlayer.SEEK_CLOSEST);
+        } else {
+            player.seekTo(savedPosition);
+        }
+    }
+
+    private Uri getVideoFileUri() {
+        String new_value = prefs.getString(getString(R.string.settings_video_file_key), null);
+        if (new_value != null) {
+            return Uri.parse(new_value);
+        } else {
+            return null;
+        }
+    }
+
+    private Uri getResourceVideoFileUri(int resId) {
+        Uri.Builder builder = new Uri.Builder();
+        builder.scheme("android.resource").authority(getPackageName()).appendPath(Integer.toString(resId));
+        return builder.build();
+    }
+
+    private int getVideoScaling() {
+        String value = prefs.getString(getString(R.string.settings_display_scale_key), null);
+        if (TextUtils.equals(value, getString(R.string.settings_display_scale_to_fit_with_cropping_key))) {
+            return MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING;
+        } else {
+            return MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT;
+        }
+    }
+
+    private boolean shouldSaveRestorePosition() {
+        return !prefs.getBoolean(getString(R.string.settings_display_restart_key), false);
+    }
+}
diff --git a/app/src/main/java/com/javispedro/wallmotion/SettingsActivity.java b/app/src/main/java/com/javispedro/wallmotion/SettingsActivity.java
new file mode 100644
index 0000000..6919ea1
--- /dev/null
+++ b/app/src/main/java/com/javispedro/wallmotion/SettingsActivity.java
@@ -0,0 +1,174 @@
+package com.javispedro.wallmotion;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.OpenableColumns;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.PreferenceManager;
+
+public class SettingsActivity extends AppCompatActivity {
+    private static final String TAG = "SettingsActivity";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.settings_activity);
+        getSupportFragmentManager()
+                .beginTransaction()
+                .replace(R.id.settings, new SettingsFragment())
+                .commit();
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        onBackPressed();
+        return true;
+    }
+
+    public static class SettingsFragment extends PreferenceFragmentCompat {
+        private final static int PICK_VIDEO_FILE = 1;
+
+        @Override
+        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+            setPreferencesFromResource(R.xml.root_preferences, rootKey);
+            Preference video_file = findPreference(getString(R.string.settings_video_file_key));
+            video_file.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                @Override
+                public boolean onPreferenceClick(Preference preference) {
+                    Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
+                    intent.addCategory(Intent.CATEGORY_OPENABLE);
+                    intent.setType("video/*");
+                    intent.setFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
+                    startActivityForResult(intent, PICK_VIDEO_FILE);
+                    return true;
+                }
+            });
+            video_file.setSummary(getVideoFileSummary());
+            Preference video_file_clear = findPreference(getString(R.string.settings_video_file_clear_key));
+            video_file_clear.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                @Override
+                public boolean onPreferenceClick(Preference preference) {
+                    setVideoFile(null);
+                    return true;
+                }
+            });
+        }
+
+        @Override
+        public void onActivityResult(int requestCode, int resultCode,
+                                     Intent resultData) {
+            switch (requestCode) {
+                case PICK_VIDEO_FILE:
+                    if (resultCode == Activity.RESULT_OK && resultData != null) {
+                        Uri uri = resultData.getData();
+                        setVideoFile(uri);
+                    }
+                    break;
+            }
+        }
+
+        private void setVideoFile(Uri uri) {
+            ContentResolver resolver = getContext().getContentResolver();
+
+            // First, release any permission request on the current uri
+            String cur_value = getStringPref(getString(R.string.settings_video_file_key));
+            if (!TextUtils.isEmpty(cur_value)) {
+                Uri cur_uri = Uri.parse(cur_value);
+                Log.d(TAG, "release persistable uri permission on uri: " + cur_uri.toString());
+                try {
+                    resolver.releasePersistableUriPermission(cur_uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                } catch (Exception ex) {
+                    Log.w(TAG, "could not release persistable uri permission on uri: " + cur_uri.toString());
+                    ex.printStackTrace();
+                }
+            }
+
+            // Then, store the new setting
+            if (uri != null) {
+                Log.d(TAG, "storing video_file pref uri: " + uri.toString());
+                setStringPref(getString(R.string.settings_video_file_key), uri.toString());
+
+                // Take a persistent permission on it
+                Log.d(TAG, "take persistable uri permission on uri: " + uri.toString());
+                resolver.takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            } else {
+                Log.d(TAG, "clearing video_file pref uri");
+                clearPref(getString(R.string.settings_video_file_key));
+            }
+
+            // Refresh the UI summary
+            Preference video_file = findPreference(getString(R.string.settings_video_file_key));
+            video_file.setSummary(getVideoFileSummary());
+        }
+
+        private String getVideoFileSummary() {
+            String cur_value = getStringPref(getString(R.string.settings_video_file_key));
+            if (!TextUtils.isEmpty(cur_value)) {
+                ContentResolver resolver = getContext().getContentResolver();
+                Uri uri = Uri.parse(cur_value);
+                String[] projection = {OpenableColumns.DISPLAY_NAME};
+                try {
+                    Cursor cursor = resolver.query(uri, projection, null, null, null);
+                    if (cursor != null) {
+                        int col = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
+                        if (col >= 0 && cursor.moveToFirst()) {
+                            String name = cursor.getString(col);
+                            cursor.close();
+                            Log.d(TAG, "got video file display_name: " + name);
+                            return name;
+                        } else {
+                            Log.w(TAG, "Could not navigate cursor for URI: " + uri.toString());
+                        }
+                        cursor.close();
+                    } else {
+                        Log.w(TAG, "Could not get cursor for URI: " + uri.toString());
+                    }
+                } catch (java.lang.SecurityException ex) {
+                    ex.printStackTrace();
+                    Log.w(TAG, "Security exception while reading URI: " + uri.toString());
+                }
+                return uri.getLastPathSegment();
+            }
+            return getString(R.string.settings_not_set);
+        }
+
+        protected String getStringPref(String pref) {
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+            return prefs.getString(pref, null);
+        }
+
+        protected void setStringPref(String pref, String new_value) {
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+            String cur_value = prefs.getString(pref, null);
+            if (!TextUtils.equals(cur_value, new_value)) {
+                SharedPreferences.Editor editor = prefs.edit();
+                editor.putString(pref, new_value);
+                editor.apply();
+            }
+        }
+
+        protected void clearPref(String pref) {
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+            if (prefs.contains(pref)) {
+                SharedPreferences.Editor editor = prefs.edit();
+                editor.remove(pref);
+                editor.apply();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/javispedro/wallmotion/WallService.java b/app/src/main/java/com/javispedro/wallmotion/WallService.java
new file mode 100644
index 0000000..6a004ff
--- /dev/null
+++ b/app/src/main/java/com/javispedro/wallmotion/WallService.java
@@ -0,0 +1,65 @@
+package com.javispedro.wallmotion;
+
+import android.service.wallpaper.WallpaperService;
+import android.util.Log;
+import android.view.SurfaceHolder;
+
+public class WallService extends WallpaperService {
+    private static final String TAG = "WallService";
+
+    @Override
+    public Engine onCreateEngine() {
+        return new WallpaperEngine();
+    }
+
+    private class WallpaperEngine extends Engine {
+        private static final String TAG = "WallpaperEngine";
+
+        private Renderer renderer;
+
+        @Override
+        public void onCreate(SurfaceHolder surfaceHolder) {
+            Log.d(TAG, "onCreate");
+            renderer = new Renderer(WallService.this);
+        }
+
+        @Override
+        public void onDestroy() {
+            Log.d(TAG, "onDestroy");
+            renderer.stop();
+            renderer = null;
+        }
+
+        @Override
+        public void onSurfaceDestroyed(SurfaceHolder holder) {
+            Log.d(TAG, "onSurfaceDestroyed");
+            renderer.stop();
+        }
+
+        @Override
+        public void onSurfaceCreated(SurfaceHolder holder)  {
+            Log.d(TAG, "onSurfaceCreated");
+        }
+
+        @Override
+        public void onSurfaceChanged(SurfaceHolder holder, int format,
+                                     int width, int height) {
+            Log.d(TAG, "onSurfaceChanged");
+        }
+
+        @Override
+        public void onSurfaceRedrawNeeded(SurfaceHolder holder) {
+            Log.d(TAG, "onSurfaceRedrawNeeded");
+        }
+
+        @Override
+        public void onVisibilityChanged(boolean visible) {
+            Log.d(TAG, "onVisibilityChanged(visible: " + visible + ")");
+            if (visible) {
+                renderer.start(getSurfaceHolder().getSurface());
+            } else {
+                renderer.stop();
+            }
+        }
+    }
+}
diff --git a/app/src/main/res/drawable-anydpi/ic_action_settings.xml b/app/src/main/res/drawable-anydpi/ic_action_settings.xml
new file mode 100644
index 0000000..01b2fba
--- /dev/null
+++ b/app/src/main/res/drawable-anydpi/ic_action_settings.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF"
+    android:alpha="0.8">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19.1,12.9a2.8,2.8 0,0 0,0.1 -0.9,2.8 2.8,0 0,0 -0.1,-0.9l2.1,-1.6a0.7,0.7 0,0 0,0.1 -0.6L19.4,5.5a0.7,0.7 0,0 0,-0.6 -0.2l-2.4,1a6.5,6.5 0,0 0,-1.6 -0.9l-0.4,-2.6a0.5,0.5 0,0 0,-0.5 -0.4H10.1a0.5,0.5 0,0 0,-0.5 0.4L9.3,5.4a5.6,5.6 0,0 0,-1.7 0.9l-2.4,-1a0.4,0.4 0,0 0,-0.5 0.2l-2,3.4c-0.1,0.2 0,0.4 0.2,0.6l2,1.6a2.8,2.8 0,0 0,-0.1 0.9,2.8 2.8,0 0,0 0.1,0.9L2.8,14.5a0.7,0.7 0,0 0,-0.1 0.6l1.9,3.4a0.7,0.7 0,0 0,0.6 0.2l2.4,-1a6.5,6.5 0,0 0,1.6 0.9l0.4,2.6a0.5,0.5 0,0 0,0.5 0.4h3.8a0.5,0.5 0,0 0,0.5 -0.4l0.3,-2.6a5.6,5.6 0,0 0,1.7 -0.9l2.4,1a0.4,0.4 0,0 0,0.5 -0.2l2,-3.4c0.1,-0.2 0,-0.4 -0.2,-0.6ZM12,15.6A3.6,3.6 0,1 1,15.6 12,3.6 3.6,0 0,1 12,15.6Z"/>
+</vector>
diff --git a/app/src/main/res/drawable-anydpi/ic_action_wallpaper.xml b/app/src/main/res/drawable-anydpi/ic_action_wallpaper.xml
new file mode 100644
index 0000000..028d51e
--- /dev/null
+++ b/app/src/main/res/drawable-anydpi/ic_action_wallpaper.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF"
+    android:alpha="0.8">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,4h7L11,2L4,2c-1.1,0 -2,0.9 -2,2v7h2L4,4zM10,13l-4,5h12l-3,-4 -2.03,2.71L10,13zM17,8.5c0,-0.83 -0.67,-1.5 -1.5,-1.5S14,7.67 14,8.5s0.67,1.5 1.5,1.5S17,9.33 17,8.5zM20,2h-7v2h7v7h2L22,4c0,-1.1 -0.9,-2 -2,-2zM20,20h-7v2h7c1.1,0 2,-0.9 2,-2v-7h-2v7zM4,13L2,13v7c0,1.1 0.9,2 2,2h7v-2L4,20v-7z"/>
+</vector>
diff --git a/app/src/main/res/drawable-hdpi/ic_action_settings.png b/app/src/main/res/drawable-hdpi/ic_action_settings.png
new file mode 100644
index 0000000..a99894b
--- /dev/null
+++ b/app/src/main/res/drawable-hdpi/ic_action_settings.png
diff --git a/app/src/main/res/drawable-hdpi/ic_action_wallpaper.png b/app/src/main/res/drawable-hdpi/ic_action_wallpaper.png
new file mode 100644
index 0000000..941f061
--- /dev/null
+++ b/app/src/main/res/drawable-hdpi/ic_action_wallpaper.png
diff --git a/app/src/main/res/drawable-mdpi/ic_action_settings.png b/app/src/main/res/drawable-mdpi/ic_action_settings.png
new file mode 100644
index 0000000..69c67dd
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/ic_action_settings.png
diff --git a/app/src/main/res/drawable-mdpi/ic_action_wallpaper.png b/app/src/main/res/drawable-mdpi/ic_action_wallpaper.png
new file mode 100644
index 0000000..740fb8a
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/ic_action_wallpaper.png
diff --git a/app/src/main/res/drawable-xhdpi/ic_action_settings.png b/app/src/main/res/drawable-xhdpi/ic_action_settings.png
new file mode 100644
index 0000000..3d88a9e
--- /dev/null
+++ b/app/src/main/res/drawable-xhdpi/ic_action_settings.png
diff --git a/app/src/main/res/drawable-xhdpi/ic_action_wallpaper.png b/app/src/main/res/drawable-xhdpi/ic_action_wallpaper.png
new file mode 100644
index 0000000..1547cac
--- /dev/null
+++ b/app/src/main/res/drawable-xhdpi/ic_action_wallpaper.png
diff --git a/app/src/main/res/drawable-xxhdpi/ic_action_settings.png b/app/src/main/res/drawable-xxhdpi/ic_action_settings.png
new file mode 100644
index 0000000..80e49bb
--- /dev/null
+++ b/app/src/main/res/drawable-xxhdpi/ic_action_settings.png
diff --git a/app/src/main/res/drawable-xxhdpi/ic_action_wallpaper.png b/app/src/main/res/drawable-xxhdpi/ic_action_wallpaper.png
new file mode 100644
index 0000000..45a7f14
--- /dev/null
+++ b/app/src/main/res/drawable-xxhdpi/ic_action_wallpaper.png
diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000..e0b9f70
--- /dev/null
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,29 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m4,4h7V2H4C2.9,2 2,2.9 2,4v7h2z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m20,2h-7v2h7v7h2V4C22,2.9 21.1,2 20,2Z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m20,20h-7v2h7c1.1,0 2,-0.9 2,-2v-7h-2z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M4,13H2v7c0,1.1 0.9,2 2,2h7V20H4Z"/>
+  <path
+      android:pathData="M16.978,4.5339L16.978,6.2133L15.2986,6.2133L15.2986,4.5339L8.5811,4.5339L8.5811,6.2133L6.9017,6.2133L6.9017,4.5339L5.2223,4.5339L5.2223,19.6483h1.6794v-1.6794h1.6794v1.6794h6.7175v-1.6794h1.6794v1.6794h1.6794L18.6573,4.5339ZM8.5811,16.2895L6.9017,16.2895v-1.6794h1.6794zM8.5811,12.9308L6.9017,12.9308v-1.6794h1.6794zM8.5811,9.572L6.9017,9.572L6.9017,7.8927h1.6794zM16.978,16.2895h-1.6794v-1.6794h1.6794zM16.978,12.9308h-1.6794v-1.6794h1.6794zM16.978,9.572L15.2986,9.572L15.2986,7.8927h1.6794z"
+      android:strokeWidth="0.83968925"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="m10.061,12.3404 l-3.1593,3.9492h9.478l-2.3695,-3.1593 -1.6034,2.1404z"
+      android:strokeWidth="0.78983057"
+      android:fillColor="#ffffff"/>
+  <path
+      android:pathData="m14.5593,8.8051c0,-0.83 -0.67,-1.5 -1.5,-1.5 -0.83,0 -1.5,0.67 -1.5,1.5 0,0.83 0.67,1.5 1.5,1.5 0.83,0 1.5,-0.67 1.5,-1.5z"
+      android:fillColor="#ffffff"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_logo.xml b/app/src/main/res/drawable/ic_logo.xml
new file mode 100644
index 0000000..4eb6d06
--- /dev/null
+++ b/app/src/main/res/drawable/ic_logo.xml
@@ -0,0 +1,29 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m4,4h7V2H4C2.9,2 2,2.9 2,4v7h2z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m20,2h-7v2h7v7h2V4C22,2.9 21.1,2 20,2Z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m20,20h-7v2h7c1.1,0 2,-0.9 2,-2v-7h-2z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M4,13H2v7c0,1.1 0.9,2 2,2h7V20H4Z"/>
+  <path
+      android:pathData="M16.978,4.5339L16.978,6.2133L15.2986,6.2133L15.2986,4.5339L8.5811,4.5339L8.5811,6.2133L6.9017,6.2133L6.9017,4.5339L5.2223,4.5339L5.2223,19.6483h1.6794v-1.6794h1.6794v1.6794h6.7175v-1.6794h1.6794v1.6794h1.6794L18.6573,4.5339ZM8.5811,16.2895L6.9017,16.2895v-1.6794h1.6794zM8.5811,12.9308L6.9017,12.9308v-1.6794h1.6794zM8.5811,9.572L6.9017,9.572L6.9017,7.8927h1.6794zM16.978,16.2895h-1.6794v-1.6794h1.6794zM16.978,12.9308h-1.6794v-1.6794h1.6794zM16.978,9.572L15.2986,9.572L15.2986,7.8927h1.6794z"
+      android:strokeWidth="0.83968925"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="m10.061,12.3404 l-3.1593,3.9492h9.478l-2.3695,-3.1593 -1.6034,2.1404z"
+      android:strokeWidth="0.78983057"
+      android:fillColor="#ffffff"/>
+  <path
+      android:pathData="m14.5593,8.8051c0,-0.83 -0.67,-1.5 -1.5,-1.5 -0.83,0 -1.5,0.67 -1.5,1.5 0,0.83 0.67,1.5 1.5,1.5 0.83,0 1.5,-0.67 1.5,-1.5z"
+      android:fillColor="#ffffff"/>
+</vector>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..f195562
--- /dev/null
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <SurfaceView
+        android:id="@+id/wallpaper_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/set_wallpaper"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:srcCompat="@drawable/ic_action_wallpaper" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/settings_activity.xml b/app/src/main/res/layout/settings_activity.xml
new file mode 100644
index 0000000..de6591a
--- /dev/null
+++ b/app/src/main/res/layout/settings_activity.xml
@@ -0,0 +1,9 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/settings"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/menu_main.xml b/app/src/main/res/menu/menu_main.xml
new file mode 100644
index 0000000..1f5570a
--- /dev/null
+++ b/app/src/main/res/menu/menu_main.xml
@@ -0,0 +1,11 @@
+<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="com.javispedro.wallmotion.MainActivity">
+    <item
+        android:id="@+id/action_settings"
+        android:icon="@drawable/ic_action_settings"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="ifRoom" />
+</menu>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..7353dbd
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..7353dbd
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..9045b44
--- /dev/null
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..3def45d
--- /dev/null
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..78e6f12
--- /dev/null
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..c7f9915
--- /dev/null
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..dd4c9e1
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..4ee79f8
--- /dev/null
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..553d0d3
--- /dev/null
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..895d9eb
--- /dev/null
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..5baec4f
--- /dev/null
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..c5998f7
--- /dev/null
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
diff --git a/app/src/main/res/raw/video_file_error.mp4 b/app/src/main/res/raw/video_file_error.mp4
new file mode 100644
index 0000000..64b8c83
--- /dev/null
+++ b/app/src/main/res/raw/video_file_error.mp4
diff --git a/app/src/main/res/raw/video_file_missing.mp4 b/app/src/main/res/raw/video_file_missing.mp4
new file mode 100644
index 0000000..050dc56
--- /dev/null
+++ b/app/src/main/res/raw/video_file_missing.mp4
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
new file mode 100644
index 0000000..073ac70
--- /dev/null
+++ b/app/src/main/res/values/arrays.xml
@@ -0,0 +1,11 @@
+<resources>
+    <!-- Settings display zoom values -->
+    <string-array name="settings_display_scale_entries">
+        <item>Stretch to fit</item>
+        <item>Scale and crop to fit</item>
+    </string-array>
+    <string-array name="settings_display_scale_values">
+        <item>@string/settings_display_scale_to_fit_key</item>
+        <item>@string/settings_display_scale_to_fit_with_cropping_key</item>
+    </string-array>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..69b2233
--- /dev/null
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#008577</color>
+    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..59a0b0c
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
diff --git a/app/src/main/res/values/ic_launcher_background.xml b/app/src/main/res/values/ic_launcher_background.xml
new file mode 100644
index 0000000..2a54660
--- /dev/null
+++ b/app/src/main/res/values/ic_launcher_background.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#A4A633</color>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..a8111a0
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,26 @@
+<resources>
+    <string name="app_name">Wallmotion</string>
+
+    <string name="wallpaper_description">Use a video file as wallpaper</string>
+
+    <!-- Main activity -->
+    <string name="action_settings">Settings</string>
+
+    <!-- Preferences -->
+    <string name="title_activity_settings">Wallmotion settings</string>
+    <string name="settings_source_header">Source video</string>
+    <string name="settings_video_file_key">video_file</string>
+    <string name="settings_video_file_title">Video file</string>
+    <string name="settings_video_file_clear_key">video_file_clear</string>
+    <string name="settings_video_file_clear_title">Reset to (none)</string>
+    <string name="settings_not_set">(None)</string>
+    <string name="settings_display_header">Display options</string>
+    <string name="settings_display_scale_key">scale</string>
+    <string name="settings_display_scale_title">Scaling</string>
+    <string name="settings_display_scale_to_fit_key">scale_to_fit</string>
+    <string name="settings_display_scale_to_fit_with_cropping_key">scale_to_fit_with_cropping</string>
+    <string name="settings_display_restart_key">restart</string>
+    <string name="settings_display_restart_title">Restart video on each display</string>
+    <string name="settings_display_restart_title_on">Video will be restarted every time wallpaper is shown</string>
+    <string name="settings_display_restart_title_off">Video time will be remembered every time wallpaper is shown</string>
+</resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..545b9c6
--- /dev/null
+++ b/app/src/main/res/values/styles.xml
@@ -0,0 +1,20 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+
+</resources>
diff --git a/app/src/main/res/xml/root_preferences.xml b/app/src/main/res/xml/root_preferences.xml
new file mode 100644
index 0000000..14b05d7
--- /dev/null
+++ b/app/src/main/res/xml/root_preferences.xml
@@ -0,0 +1,32 @@
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <PreferenceCategory app:title="@string/settings_source_header">
+        <Preference
+            app:key="@string/settings_video_file_key"
+            app:title="@string/settings_video_file_title"
+            app:persistent="true" />
+        <Preference
+            app:key="@string/settings_video_file_clear_key"
+            app:title="@string/settings_video_file_clear_title"
+            />
+    </PreferenceCategory>
+
+    <PreferenceCategory app:title="@string/settings_display_header">
+        <ListPreference
+            app:key="@string/settings_display_scale_key"
+            app:title="@string/settings_display_scale_title"
+            app:entries="@array/settings_display_scale_entries"
+            app:entryValues="@array/settings_display_scale_values"
+            app:defaultValue="@string/settings_display_scale_to_fit_key"
+            app:useSimpleSummaryProvider="true"
+            app:persistent="true" />
+        <SwitchPreferenceCompat
+            app:key="@string/settings_display_restart_key"
+            app:title="@string/settings_display_restart_title"
+            app:summaryOn="@string/settings_display_restart_title_on"
+            app:summaryOff="@string/settings_display_restart_title_off"
+            app:persistent="true"
+            />
+    </PreferenceCategory>
+
+</PreferenceScreen>
diff --git a/app/src/main/res/xml/wallpaper.xml b/app/src/main/res/xml/wallpaper.xml
new file mode 100644
index 0000000..d4af285
--- /dev/null
+++ b/app/src/main/res/xml/wallpaper.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
+    android:description="@string/wallpaper_description"
+    android:settingsActivity="com.javispedro.wallmotion.SettingsActivity"
+    android:thumbnail="@drawable/ic_logo"
+    />