Move widget setup code to widget module (#6996)

11 files changed, 864 insertions, 0 deletions

diff --git a/ui/widget/build.gradle b/ui/widget/build.gradle
index 2488054a6..03183a323 100644
--- a/ui/widget/build.gradle
+++ b/ui/widget/build.gradle
@@ -2,6 +2,7 @@ plugins {
     id("com.android.library")
 }
 apply from: "../../common.gradle"
+apply from: "../../playFlavor.gradle"
 
 android {
     namespace "de.danoeh.antennapod.ui.widget"
@@ -10,10 +11,25 @@ android {
         vectorDrawables.useSupportLibrary false
         vectorDrawables.generatedDensities = ["xhdpi"]
     }
+
+    lint {
+        disable "IconMissingDensityFolder"
+    }
 }
 
 dependencies {
+    implementation project(":model")
+    implementation project(":playback:base")
+    implementation project(':storage:preferences')
+    implementation project(':storage:database')
+    implementation project(":ui:app-start-intent")
     implementation project(":ui:common")
+    implementation project(":ui:episodes")
+    implementation project(':ui:glide')
+    implementation project(':ui:i18n')
 
     annotationProcessor "androidx.annotation:annotation:$annotationVersion"
+    implementation "androidx.appcompat:appcompat:$appcompatVersion"
+    implementation "androidx.work:work-runtime:$workManagerVersion"
+    implementation "com.github.bumptech.glide:glide:$glideVersion"
 }
diff --git a/ui/widget/src/main/AndroidManifest.xml b/ui/widget/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..c0f03b6cc
--- /dev/null
+++ b/ui/widget/src/main/AndroidManifest.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application>
+        <activity
+            android:name=".WidgetConfigActivity"
+            android:label="@string/widget_settings"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE"/>
+            </intent-filter>
+        </activity>
+
+        <receiver
+            android:name=".PlayerWidget"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
+                <action android:name="de.danoeh.antennapod.FORCE_WIDGET_UPDATE"/>
+                <action android:name="de.danoeh.antennapod.STOP_WIDGET_UPDATE"/>
+            </intent-filter>
+            <meta-data
+                    android:name="android.appwidget.provider"
+                    android:resource="@xml/player_widget_info"/>
+        </receiver>
+    </application>
+</manifest>
diff --git a/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/PlayerWidget.java b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/PlayerWidget.java
new file mode 100644
index 000000000..c548c075a
--- /dev/null
+++ b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/PlayerWidget.java
@@ -0,0 +1,98 @@
+package de.danoeh.antennapod.ui.widget;
+
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Log;
+import androidx.work.ExistingWorkPolicy;
+import androidx.work.OneTimeWorkRequest;
+import androidx.work.WorkManager;
+
+import java.util.Arrays;
+import java.util.concurrent.TimeUnit;
+
+public class PlayerWidget extends AppWidgetProvider {
+    private static final String TAG = "PlayerWidget";
+    public static final String PREFS_NAME = "PlayerWidgetPrefs";
+    private static final String KEY_WORKAROUND_ENABLED = "WorkaroundEnabled";
+    private static final String KEY_ENABLED = "WidgetEnabled";
+    public static final String KEY_WIDGET_COLOR = "widget_color";
+    public static final String KEY_WIDGET_PLAYBACK_SPEED = "widget_playback_speed";
+    public static final String KEY_WIDGET_SKIP = "widget_skip";
+    public static final String KEY_WIDGET_FAST_FORWARD = "widget_fast_forward";
+    public static final String KEY_WIDGET_REWIND = "widget_rewind";
+    public static final int DEFAULT_COLOR = 0xff262C31;
+    private static final String WORKAROUND_WORK_NAME = "WidgetUpdaterWorkaround";
+
+    @Override
+    public void onEnabled(Context context) {
+        super.onEnabled(context);
+        Log.d(TAG, "Widget enabled");
+        setEnabled(context, true);
+        WidgetUpdaterWorker.enqueueWork(context);
+        scheduleWorkaround(context);
+    }
+
+    @Override
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+        Log.d(TAG, "onUpdate() called with: " + "context = [" + context + "], appWidgetManager = ["
+                + appWidgetManager + "], appWidgetIds = [" + Arrays.toString(appWidgetIds) + "]");
+        WidgetUpdaterWorker.enqueueWork(context);
+
+        SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+        if (!prefs.getBoolean(KEY_WORKAROUND_ENABLED, false)) {
+            scheduleWorkaround(context);
+            prefs.edit().putBoolean(KEY_WORKAROUND_ENABLED, true).apply();
+        }
+    }
+
+    @Override
+    public void onDisabled(Context context) {
+        super.onDisabled(context);
+        Log.d(TAG, "Widget disabled");
+        setEnabled(context, false);
+    }
+
+    @Override
+    public void onDeleted(Context context, int[] appWidgetIds) {
+        Log.d(TAG, "OnDeleted");
+        SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+        for (int appWidgetId : appWidgetIds) {
+            prefs.edit().remove(KEY_WIDGET_COLOR + appWidgetId).apply();
+            prefs.edit().remove(KEY_WIDGET_PLAYBACK_SPEED + appWidgetId).apply();
+            prefs.edit().remove(KEY_WIDGET_REWIND + appWidgetId).apply();
+            prefs.edit().remove(KEY_WIDGET_FAST_FORWARD + appWidgetId).apply();
+            prefs.edit().remove(KEY_WIDGET_SKIP + appWidgetId).apply();
+        }
+        AppWidgetManager manager = AppWidgetManager.getInstance(context);
+        int[] widgetIds = manager.getAppWidgetIds(new ComponentName(context, PlayerWidget.class));
+        if (widgetIds.length == 0) {
+            prefs.edit().putBoolean(KEY_WORKAROUND_ENABLED, false).apply();
+            WorkManager.getInstance(context).cancelUniqueWork(WORKAROUND_WORK_NAME);
+        }
+        super.onDeleted(context, appWidgetIds);
+    }
+
+    private static void scheduleWorkaround(Context context) {
+        // Enqueueing work enables a BOOT_COMPLETED receiver, which in turn makes Android refresh widgets.
+        // This creates an endless loop with a flickering widget.
+        // Workaround: When there is a widget, schedule a dummy task in the far future, so that the receiver stays.
+        final OneTimeWorkRequest workRequest = new OneTimeWorkRequest.Builder(WidgetUpdaterWorker.class)
+                .setInitialDelay(100 * 356, TimeUnit.DAYS)
+                .build();
+        WorkManager.getInstance(context)
+                .enqueueUniqueWork(WORKAROUND_WORK_NAME, ExistingWorkPolicy.REPLACE, workRequest);
+    }
+
+    public static boolean isEnabled(Context context) {
+        SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+        return prefs.getBoolean(KEY_ENABLED, false);
+    }
+
+    private void setEnabled(Context context, boolean enabled) {
+        SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+        prefs.edit().putBoolean(KEY_ENABLED, enabled).apply();
+    }
+}
diff --git a/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetConfigActivity.java b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetConfigActivity.java
new file mode 100644
index 000000000..83fd308ba
--- /dev/null
+++ b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetConfigActivity.java
@@ -0,0 +1,145 @@
+package de.danoeh.antennapod.ui.widget;
+
+import android.app.Activity;
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Color;
+import android.os.Build;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.SeekBar;
+import android.widget.TextView;
+import androidx.appcompat.app.AppCompatActivity;
+import de.danoeh.antennapod.ui.common.ThemeSwitcher;
+
+import java.util.Locale;
+
+public class WidgetConfigActivity extends AppCompatActivity {
+    private int appWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
+
+    private SeekBar opacitySeekBar;
+    private TextView opacityTextView;
+    private View widgetPreview;
+    private CheckBox ckPlaybackSpeed;
+    private CheckBox ckRewind;
+    private CheckBox ckFastForward;
+    private CheckBox ckSkip;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        setTheme(ThemeSwitcher.getTheme(this));
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_widget_config);
+
+        Intent configIntent = getIntent();
+        Bundle extras = configIntent.getExtras();
+        if (extras != null) {
+            appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID,
+                    AppWidgetManager.INVALID_APPWIDGET_ID);
+        }
+
+        Intent resultValue = new Intent();
+        resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
+        setResult(Activity.RESULT_CANCELED, resultValue);
+        if (appWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
+            finish();
+        }
+
+        opacityTextView = findViewById(R.id.widget_opacity_textView);
+        opacitySeekBar = findViewById(R.id.widget_opacity_seekBar);
+        widgetPreview = findViewById(R.id.widgetLayout);
+        findViewById(R.id.butConfirm).setOnClickListener(v -> confirmCreateWidget());
+        opacitySeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
+                opacityTextView.setText(String.format(Locale.getDefault(), "%d%%", seekBar.getProgress()));
+                int color = getColorWithAlpha(PlayerWidget.DEFAULT_COLOR, opacitySeekBar.getProgress());
+                widgetPreview.setBackgroundColor(color);
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+            }
+
+        });
+
+        widgetPreview.findViewById(R.id.txtNoPlaying).setVisibility(View.GONE);
+        TextView title = widgetPreview.findViewById(R.id.txtvTitle);
+        title.setVisibility(View.VISIBLE);
+        title.setText(R.string.app_name);
+        TextView progress = widgetPreview.findViewById(R.id.txtvProgress);
+        progress.setVisibility(View.VISIBLE);
+        progress.setText(R.string.position_default_label);
+
+        ckPlaybackSpeed = findViewById(R.id.ckPlaybackSpeed);
+        ckPlaybackSpeed.setOnClickListener(v -> displayPreviewPanel());
+        ckRewind = findViewById(R.id.ckRewind);
+        ckRewind.setOnClickListener(v -> displayPreviewPanel());
+        ckFastForward = findViewById(R.id.ckFastForward);
+        ckFastForward.setOnClickListener(v -> displayPreviewPanel());
+        ckSkip = findViewById(R.id.ckSkip);
+        ckSkip.setOnClickListener(v -> displayPreviewPanel());
+
+        setInitialState();
+    }
+
+    private void setInitialState() {
+        SharedPreferences prefs = getSharedPreferences(PlayerWidget.PREFS_NAME, Context.MODE_PRIVATE);
+        ckPlaybackSpeed.setChecked(prefs.getBoolean(PlayerWidget.KEY_WIDGET_PLAYBACK_SPEED + appWidgetId, false));
+        ckRewind.setChecked(prefs.getBoolean(PlayerWidget.KEY_WIDGET_REWIND + appWidgetId, false));
+        ckFastForward.setChecked(prefs.getBoolean(PlayerWidget.KEY_WIDGET_FAST_FORWARD + appWidgetId, false));
+        ckSkip.setChecked(prefs.getBoolean(PlayerWidget.KEY_WIDGET_SKIP + appWidgetId, false));
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            int color = prefs.getInt(PlayerWidget.KEY_WIDGET_COLOR + appWidgetId, PlayerWidget.DEFAULT_COLOR);
+            int opacity = Color.alpha(color) * 100 / 0xFF;
+
+            opacitySeekBar.setProgress(opacity, false);
+        }
+        displayPreviewPanel();
+    }
+
+    private void displayPreviewPanel() {
+        boolean showExtendedPreview =
+                ckPlaybackSpeed.isChecked() || ckRewind.isChecked() || ckFastForward.isChecked() || ckSkip.isChecked();
+        widgetPreview.findViewById(R.id.extendedButtonsContainer)
+                .setVisibility(showExtendedPreview ? View.VISIBLE : View.GONE);
+        widgetPreview.findViewById(R.id.butPlay).setVisibility(showExtendedPreview ? View.GONE : View.VISIBLE);
+        widgetPreview.findViewById(R.id.butPlaybackSpeed)
+                .setVisibility(ckPlaybackSpeed.isChecked() ? View.VISIBLE : View.GONE);
+        widgetPreview.findViewById(R.id.butFastForward)
+                .setVisibility(ckFastForward.isChecked() ? View.VISIBLE : View.GONE);
+        widgetPreview.findViewById(R.id.butSkip).setVisibility(ckSkip.isChecked() ? View.VISIBLE : View.GONE);
+        widgetPreview.findViewById(R.id.butRew).setVisibility(ckRewind.isChecked() ? View.VISIBLE : View.GONE);
+    }
+
+    private void confirmCreateWidget() {
+        int backgroundColor = getColorWithAlpha(PlayerWidget.DEFAULT_COLOR, opacitySeekBar.getProgress());
+
+        SharedPreferences prefs = getSharedPreferences(PlayerWidget.PREFS_NAME, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putInt(PlayerWidget.KEY_WIDGET_COLOR + appWidgetId, backgroundColor);
+        editor.putBoolean(PlayerWidget.KEY_WIDGET_PLAYBACK_SPEED + appWidgetId, ckPlaybackSpeed.isChecked());
+        editor.putBoolean(PlayerWidget.KEY_WIDGET_SKIP + appWidgetId, ckSkip.isChecked());
+        editor.putBoolean(PlayerWidget.KEY_WIDGET_REWIND + appWidgetId, ckRewind.isChecked());
+        editor.putBoolean(PlayerWidget.KEY_WIDGET_FAST_FORWARD + appWidgetId, ckFastForward.isChecked());
+        editor.apply();
+
+        Intent resultValue = new Intent();
+        resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
+        setResult(Activity.RESULT_OK, resultValue);
+        finish();
+        WidgetUpdaterWorker.enqueueWork(this);
+    }
+
+    private int getColorWithAlpha(int color, int opacity) {
+        return (int) Math.round(0xFF * (0.01 * opacity)) * 0x1000000 + (color & 0xffffff);
+    }
+}
diff --git a/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetUpdater.java b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetUpdater.java
new file mode 100644
index 000000000..bb62d4a7b
--- /dev/null
+++ b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetUpdater.java
@@ -0,0 +1,226 @@
+package de.danoeh.antennapod.ui.widget;
+
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.View;
+import android.widget.RemoteViews;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.resource.bitmap.FitCenter;
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
+import com.bumptech.glide.request.RequestOptions;
+
+import de.danoeh.antennapod.ui.appstartintent.MediaButtonStarter;
+import de.danoeh.antennapod.ui.common.Converter;
+import de.danoeh.antennapod.storage.preferences.UserPreferences;
+import java.util.concurrent.TimeUnit;
+
+import de.danoeh.antennapod.model.playback.MediaType;
+import de.danoeh.antennapod.model.playback.Playable;
+import de.danoeh.antennapod.playback.base.PlayerStatus;
+import de.danoeh.antennapod.ui.appstartintent.MainActivityStarter;
+import de.danoeh.antennapod.ui.appstartintent.PlaybackSpeedActivityStarter;
+import de.danoeh.antennapod.ui.appstartintent.VideoPlayerActivityStarter;
+import de.danoeh.antennapod.ui.episodes.ImageResourceUtils;
+import de.danoeh.antennapod.ui.episodes.TimeSpeedConverter;
+
+/**
+ * Updates the state of the player widget.
+ */
+public abstract class WidgetUpdater {
+    private static final String TAG = "WidgetUpdater";
+
+    public static class WidgetState {
+        final Playable media;
+        final PlayerStatus status;
+        final int position;
+        final int duration;
+        final float playbackSpeed;
+
+        public WidgetState(Playable media, PlayerStatus status, int position, int duration, float playbackSpeed) {
+            this.media = media;
+            this.status = status;
+            this.position = position;
+            this.duration = duration;
+            this.playbackSpeed = playbackSpeed;
+        }
+
+        public WidgetState(PlayerStatus status) {
+            this(null, status, Playable.INVALID_TIME, Playable.INVALID_TIME, 1.0f);
+        }
+    }
+
+    /**
+     * Update the widgets with the given parameters. Must be called in a background thread.
+     */
+    public static void updateWidget(Context context, WidgetState widgetState) {
+        if (!PlayerWidget.isEnabled(context) || widgetState == null) {
+            return;
+        }
+
+        PendingIntent startMediaPlayer;
+        if (widgetState.media != null && widgetState.media.getMediaType() == MediaType.VIDEO) {
+            startMediaPlayer = new VideoPlayerActivityStarter(context).getPendingIntent();
+        } else {
+            startMediaPlayer = new MainActivityStarter(context).withOpenPlayer().getPendingIntent();
+        }
+
+        PendingIntent startPlaybackSpeedDialog = new PlaybackSpeedActivityStarter(context).getPendingIntent();
+
+        RemoteViews views;
+        views = new RemoteViews(context.getPackageName(), R.layout.player_widget);
+
+        if (widgetState.media != null) {
+            Bitmap icon;
+            int iconSize = context.getResources().getDimensionPixelSize(android.R.dimen.app_icon_size);
+            views.setOnClickPendingIntent(R.id.layout_left, startMediaPlayer);
+            views.setOnClickPendingIntent(R.id.imgvCover, startMediaPlayer);
+            views.setOnClickPendingIntent(R.id.butPlaybackSpeed, startPlaybackSpeedDialog);
+
+            int radius = context.getResources().getDimensionPixelSize(R.dimen.widget_inner_radius);
+            RequestOptions options = new RequestOptions()
+                    .dontAnimate()
+                    .transform(new FitCenter(), new RoundedCorners(radius));
+
+            try {
+                icon = Glide.with(context)
+                        .asBitmap()
+                        .load(widgetState.media.getImageLocation())
+                        .apply(options)
+                        .submit(iconSize, iconSize)
+                        .get(500, TimeUnit.MILLISECONDS);
+                views.setImageViewBitmap(R.id.imgvCover, icon);
+            } catch (Throwable tr1) {
+                try {
+                    icon = Glide.with(context)
+                            .asBitmap()
+                            .load(ImageResourceUtils.getFallbackImageLocation(widgetState.media))
+                            .apply(options)
+                            .submit(iconSize, iconSize)
+                            .get(500, TimeUnit.MILLISECONDS);
+                    views.setImageViewBitmap(R.id.imgvCover, icon);
+                } catch (Throwable tr2) {
+                    Log.e(TAG, "Error loading the media icon for the widget", tr2);
+                    views.setImageViewResource(R.id.imgvCover, R.mipmap.ic_launcher);
+                }
+            }
+
+            views.setTextViewText(R.id.txtvTitle, widgetState.media.getEpisodeTitle());
+            views.setViewVisibility(R.id.txtvTitle, View.VISIBLE);
+            views.setViewVisibility(R.id.txtNoPlaying, View.GONE);
+
+            String progressString = getProgressString(widgetState.position,
+                    widgetState.duration, widgetState.playbackSpeed);
+            if (progressString != null) {
+                views.setViewVisibility(R.id.txtvProgress, View.VISIBLE);
+                views.setTextViewText(R.id.txtvProgress, progressString);
+            }
+
+            if (widgetState.status == PlayerStatus.PLAYING) {
+                views.setImageViewResource(R.id.butPlay, R.drawable.ic_widget_pause);
+                views.setContentDescription(R.id.butPlay, context.getString(R.string.pause_label));
+                views.setImageViewResource(R.id.butPlayExtended, R.drawable.ic_widget_pause);
+                views.setContentDescription(R.id.butPlayExtended, context.getString(R.string.pause_label));
+            } else {
+                views.setImageViewResource(R.id.butPlay, R.drawable.ic_widget_play);
+                views.setContentDescription(R.id.butPlay, context.getString(R.string.play_label));
+                views.setImageViewResource(R.id.butPlayExtended, R.drawable.ic_widget_play);
+                views.setContentDescription(R.id.butPlayExtended, context.getString(R.string.play_label));
+            }
+            views.setOnClickPendingIntent(R.id.butPlay,
+                    MediaButtonStarter.createPendingIntent(context, KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE));
+            views.setOnClickPendingIntent(R.id.butPlayExtended,
+                    MediaButtonStarter.createPendingIntent(context, KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE));
+            views.setOnClickPendingIntent(R.id.butRew,
+                    MediaButtonStarter.createPendingIntent(context, KeyEvent.KEYCODE_MEDIA_REWIND));
+            views.setOnClickPendingIntent(R.id.butFastForward,
+                    MediaButtonStarter.createPendingIntent(context, KeyEvent.KEYCODE_MEDIA_FAST_FORWARD));
+            views.setOnClickPendingIntent(R.id.butSkip,
+                    MediaButtonStarter.createPendingIntent(context, KeyEvent.KEYCODE_MEDIA_NEXT));
+        } else {
+            // start the app if they click anything
+            views.setOnClickPendingIntent(R.id.layout_left, startMediaPlayer);
+            views.setOnClickPendingIntent(R.id.butPlay, startMediaPlayer);
+            views.setOnClickPendingIntent(R.id.butPlayExtended,
+                    MediaButtonStarter.createPendingIntent(context, KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE));
+            views.setViewVisibility(R.id.txtvProgress, View.GONE);
+            views.setViewVisibility(R.id.txtvTitle, View.GONE);
+            views.setViewVisibility(R.id.txtNoPlaying, View.VISIBLE);
+            views.setImageViewResource(R.id.imgvCover, R.mipmap.ic_launcher);
+            views.setImageViewResource(R.id.butPlay, R.drawable.ic_widget_play);
+            views.setImageViewResource(R.id.butPlayExtended, R.drawable.ic_widget_play);
+        }
+
+        ComponentName playerWidget = new ComponentName(context, PlayerWidget.class);
+        AppWidgetManager manager = AppWidgetManager.getInstance(context);
+        int[] widgetIds = manager.getAppWidgetIds(playerWidget);
+
+        for (int id : widgetIds) {
+            Bundle options = manager.getAppWidgetOptions(id);
+            SharedPreferences prefs = context.getSharedPreferences(PlayerWidget.PREFS_NAME, Context.MODE_PRIVATE);
+            int minWidth = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH);
+            int columns = getCellsForSize(minWidth);
+            if (columns < 3) {
+                views.setViewVisibility(R.id.layout_center, View.INVISIBLE);
+            } else {
+                views.setViewVisibility(R.id.layout_center, View.VISIBLE);
+            }
+            boolean showPlaybackSpeed = prefs.getBoolean(PlayerWidget.KEY_WIDGET_PLAYBACK_SPEED + id, false);
+            boolean showRewind = prefs.getBoolean(PlayerWidget.KEY_WIDGET_REWIND + id, false);
+            boolean showFastForward = prefs.getBoolean(PlayerWidget.KEY_WIDGET_FAST_FORWARD + id, false);
+            boolean showSkip = prefs.getBoolean(PlayerWidget.KEY_WIDGET_SKIP + id, false);
+
+            if (showPlaybackSpeed || showRewind || showSkip || showFastForward) {
+                views.setInt(R.id.extendedButtonsContainer, "setVisibility", View.VISIBLE);
+                views.setInt(R.id.butPlay, "setVisibility", View.GONE);
+                views.setInt(R.id.butPlaybackSpeed, "setVisibility", showPlaybackSpeed ? View.VISIBLE : View.GONE);
+                views.setInt(R.id.butRew, "setVisibility", showRewind ? View.VISIBLE : View.GONE);
+                views.setInt(R.id.butFastForward, "setVisibility", showFastForward ? View.VISIBLE : View.GONE);
+                views.setInt(R.id.butSkip, "setVisibility", showSkip ? View.VISIBLE : View.GONE);
+            } else {
+                views.setInt(R.id.extendedButtonsContainer, "setVisibility", View.GONE);
+                views.setInt(R.id.butPlay, "setVisibility", View.VISIBLE);
+            }
+
+            int backgroundColor = prefs.getInt(PlayerWidget.KEY_WIDGET_COLOR + id, PlayerWidget.DEFAULT_COLOR);
+            views.setInt(R.id.widgetLayout, "setBackgroundColor", backgroundColor);
+
+            manager.updateAppWidget(id, views);
+        }
+    }
+
+    /**
+     * Returns number of cells needed for given size of the widget.
+     *
+     * @param size Widget size in dp.
+     * @return Size in number of cells.
+     */
+    private static int getCellsForSize(int size) {
+        int n = 2;
+        while (70 * n - 30 < size) {
+            ++n;
+        }
+        return n - 1;
+    }
+
+    private static String getProgressString(int position, int duration, float speed) {
+        if (position < 0 || duration <= 0) {
+            return null;
+        }
+        TimeSpeedConverter converter = new TimeSpeedConverter(speed);
+        if (UserPreferences.shouldShowRemainingTime()) {
+            return Converter.getDurationStringLong(converter.convert(position)) + " / -"
+                    + Converter.getDurationStringLong(converter.convert(Math.max(0, duration - position)));
+        } else {
+            return Converter.getDurationStringLong(converter.convert(position)) + " / "
+                    + Converter.getDurationStringLong(converter.convert(duration));
+        }
+    }
+}
diff --git a/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetUpdaterWorker.java b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetUpdaterWorker.java
new file mode 100644
index 000000000..97b0790ac
--- /dev/null
+++ b/ui/widget/src/main/java/de/danoeh/antennapod/ui/widget/WidgetUpdaterWorker.java
@@ -0,0 +1,58 @@
+package de.danoeh.antennapod.ui.widget;
+
+import android.content.Context;
+import android.util.Log;
+import androidx.annotation.NonNull;
+import androidx.work.ExistingWorkPolicy;
+import androidx.work.OneTimeWorkRequest;
+import androidx.work.WorkManager;
+import androidx.work.Worker;
+import androidx.work.WorkerParameters;
+import de.danoeh.antennapod.storage.database.DBReader;
+import de.danoeh.antennapod.storage.preferences.PlaybackPreferences;
+import de.danoeh.antennapod.model.playback.Playable;
+import de.danoeh.antennapod.playback.base.PlayerStatus;
+import de.danoeh.antennapod.ui.episodes.PlaybackSpeedUtils;
+
+public class WidgetUpdaterWorker extends Worker {
+
+    private static final String TAG = "WidgetUpdaterWorker";
+
+    public WidgetUpdaterWorker(@NonNull final Context context,
+                               @NonNull final WorkerParameters workerParams) {
+        super(context, workerParams);
+    }
+
+    public static void enqueueWork(final Context context) {
+        final OneTimeWorkRequest workRequest = new OneTimeWorkRequest.Builder(WidgetUpdaterWorker.class).build();
+        WorkManager.getInstance(context).enqueueUniqueWork(TAG, ExistingWorkPolicy.REPLACE, workRequest);
+    }
+
+    @NonNull
+    @Override
+    public Result doWork() {
+        try {
+            updateWidget();
+        } catch (final Exception e) {
+            Log.d(TAG, "Failed to update AntennaPod widget: ", e);
+            return Result.failure();
+        }
+        return Result.success();
+    }
+
+    /**
+     * Loads the current media from the database and updates the widget in a background job.
+     */
+    private void updateWidget() {
+        final Playable media = DBReader.getFeedMedia(PlaybackPreferences.getCurrentlyPlayingFeedMediaId());
+        if (media != null) {
+            WidgetUpdater.updateWidget(getApplicationContext(),
+                    new WidgetUpdater.WidgetState(media, PlayerStatus.STOPPED,
+                            media.getPosition(), media.getDuration(),
+                            PlaybackSpeedUtils.getCurrentPlaybackSpeed(media)));
+        } else {
+            WidgetUpdater.updateWidget(getApplicationContext(),
+                    new WidgetUpdater.WidgetState(PlayerStatus.STOPPED));
+        }
+    }
+}
diff --git a/ui/widget/src/main/res/drawable-hdpi/ic_widget_preview.png b/ui/widget/src/main/res/drawable-hdpi/ic_widget_preview.png
new file mode 100644
index 000000000..3c1e08a31
--- /dev/null
+++ b/ui/widget/src/main/res/drawable-hdpi/ic_widget_preview.png
diff --git a/ui/widget/src/main/res/layout/activity_widget_config.xml b/ui/widget/src/main/res/layout/activity_widget_config.xml
new file mode 100644
index 000000000..04be2dfa2
--- /dev/null
+++ b/ui/widget/src/main/res/layout/activity_widget_config.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context="de.danoeh.antennapod.ui.widget.WidgetConfigActivity">
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="200dp"
+        android:layout_gravity="center">
+
+        <ImageView
+            android:id="@+id/widget_config_background"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:scaleType="centerCrop"
+            app:srcCompat="@drawable/teaser" />
+
+        <include
+            android:id="@+id/widget_config_preview"
+            android:layout_width="match_parent"
+            android:layout_height="96dp"
+            android:layout_gravity="center"
+            android:layout_margin="16dp"
+            layout="@layout/player_widget" />
+
+    </FrameLayout>
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:padding="16dp">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center_vertical"
+                android:orientation="horizontal">
+
+                <TextView
+                    android:id="@+id/textView"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/widget_opacity"
+                    android:textSize="16sp"
+                    android:textColor="?android:attr/textColorPrimary" />
+
+                <TextView
+                    android:id="@+id/widget_opacity_textView"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:gravity="end"
+                    android:text="100%"
+                    android:textSize="16sp"
+                    android:textColor="?android:attr/textColorSecondary" />
+
+            </LinearLayout>
+
+            <SeekBar
+                android:id="@+id/widget_opacity_seekBar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:layout_marginBottom="16dp"
+                android:max="100"
+                android:progress="100" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <CheckBox
+                    android:id="@+id/ckPlaybackSpeed"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/playback_speed" />
+
+                <CheckBox
+                    android:id="@+id/ckRewind"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/rewind_label" />
+
+                <CheckBox
+                    android:id="@+id/ckFastForward"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/fast_forward_label" />
+
+                <CheckBox
+                    android:id="@+id/ckSkip"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/skip_episode_label" />
+
+            </LinearLayout>
+
+            <Button
+                android:id="@+id/butConfirm"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="@string/widget_create_button" />
+
+        </LinearLayout>
+
+    </androidx.core.widget.NestedScrollView>
+
+</LinearLayout>
diff --git a/ui/widget/src/main/res/layout/player_widget.xml b/ui/widget/src/main/res/layout/player_widget.xml
new file mode 100644
index 000000000..616e61e91
--- /dev/null
+++ b/ui/widget/src/main/res/layout/player_widget.xml
@@ -0,0 +1,153 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    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:padding="@dimen/widget_margin">
+
+    <RelativeLayout
+        android:id="@+id/widgetLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#262C31"
+        tools:ignore="UselessParent">
+
+        <ImageButton
+            android:id="@+id/butPlay"
+            android:layout_width="@android:dimen/app_icon_size"
+            android:layout_height="match_parent"
+            android:contentDescription="@string/play_label"
+            android:layout_alignParentEnd="true"
+            android:layout_margin="12dp"
+            android:background="?android:attr/selectableItemBackground"
+            android:scaleType="fitCenter"
+            android:padding="8dp"
+            android:src="@drawable/ic_widget_play" />
+
+        <LinearLayout
+            android:id="@+id/layout_left"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_alignParentStart="true"
+            android:layout_toStartOf="@id/butPlay"
+            android:background="@android:color/transparent"
+            android:gravity="fill_horizontal"
+            android:orientation="horizontal">
+
+            <ImageView
+                android:id="@+id/imgvCover"
+                android:layout_width="@android:dimen/app_icon_size"
+                android:layout_height="match_parent"
+                android:src="@mipmap/ic_launcher"
+                android:importantForAccessibility="no"
+                android:layout_margin="12dp" />
+
+            <LinearLayout
+                android:id="@+id/layout_center"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center_vertical"
+                android:orientation="vertical">
+
+                <TextView
+                    android:id="@+id/txtNoPlaying"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:maxLines="3"
+                    android:text="@string/no_media_playing_label"
+                    android:textColor="@color/white"
+                    android:textSize="16sp"
+                    android:textStyle="bold" />
+
+                <TextView
+                    android:id="@+id/txtvTitle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:maxLines="1"
+                    android:ellipsize="end"
+                    android:textColor="@color/white"
+                    android:textSize="16sp"
+                    android:textStyle="bold"
+                    android:visibility="gone" />
+
+                <TextView
+                    android:id="@+id/txtvProgress"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="4dp"
+                    android:textColor="@color/white"
+                    android:textSize="14sp"
+                    android:visibility="gone" />
+
+                <LinearLayout
+                    android:id="@+id/extendedButtonsContainer"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal"
+                    android:visibility="gone">
+
+                    <ImageButton
+                        android:id="@+id/butPlaybackSpeed"
+                        android:layout_width="36dp"
+                        android:layout_height="36dp"
+                        android:layout_weight="1"
+                        android:background="?android:attr/selectableItemBackground"
+                        android:contentDescription="@string/playback_speed"
+                        android:layout_marginEnd="2dp"
+                        android:scaleType="centerInside"
+                        android:src="@drawable/ic_widget_playback_speed" />
+
+                    <ImageButton
+                        android:id="@+id/butRew"
+                        android:layout_width="36dp"
+                        android:layout_height="36dp"
+                        android:layout_weight="1"
+                        android:background="?android:attr/selectableItemBackground"
+                        android:contentDescription="@string/rewind_label"
+                        android:layout_marginEnd="2dp"
+                        android:scaleType="centerInside"
+                        android:src="@drawable/ic_widget_fast_rewind" />
+
+                    <ImageButton
+                        android:id="@+id/butPlayExtended"
+                        android:layout_width="36dp"
+                        android:layout_height="36dp"
+                        android:layout_weight="1"
+                        android:background="?android:attr/selectableItemBackground"
+                        android:contentDescription="@string/play_label"
+                        android:layout_marginEnd="2dp"
+                        android:scaleType="centerInside"
+                        android:src="@drawable/ic_widget_play" />
+
+                    <ImageButton
+                        android:id="@+id/butFastForward"
+                        android:layout_width="36dp"
+                        android:layout_height="36dp"
+                        android:layout_weight="1"
+                        android:background="?android:attr/selectableItemBackground"
+                        android:contentDescription="@string/fast_forward_label"
+                        android:layout_marginEnd="2dp"
+                        android:scaleType="centerInside"
+                        android:src="@drawable/ic_widget_fast_forward" />
+
+                    <ImageButton
+                        android:id="@+id/butSkip"
+                        android:layout_width="36dp"
+                        android:layout_height="36dp"
+                        android:layout_weight="1"
+                        android:background="?android:attr/selectableItemBackground"
+                        android:contentDescription="@string/skip_episode_label"
+                        android:layout_marginEnd="2dp"
+                        android:scaleType="centerInside"
+                        android:src="@drawable/ic_widget_skip" />
+
+                </LinearLayout>
+
+            </LinearLayout>
+
+        </LinearLayout>
+
+    </RelativeLayout>
+
+</FrameLayout>
diff --git a/ui/widget/src/main/res/values/dimens.xml b/ui/widget/src/main/res/values/dimens.xml
new file mode 100644
index 000000000..d0c504ac5
--- /dev/null
+++ b/ui/widget/src/main/res/values/dimens.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="widget_margin">0dp</dimen>
+    <dimen name="widget_inner_radius">4dp</dimen>
+</resources>
diff --git a/ui/widget/src/main/res/xml/player_widget_info.xml b/ui/widget/src/main/res/xml/player_widget_info.xml
new file mode 100644
index 000000000..0bbec5dda
--- /dev/null
+++ b/ui/widget/src/main/res/xml/player_widget_info.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+                    android:resizeMode="horizontal"
+                    android:initialLayout="@layout/player_widget"
+                    android:updatePeriodMillis="86400000"
+                    android:previewImage="@drawable/ic_widget_preview"
+                    android:minHeight="40dp"
+                    android:minWidth="250dp"
+                    android:minResizeWidth="40dp"
+                    android:widgetFeatures="reconfigurable"
+                    android:configure="de.danoeh.antennapod.ui.widget.WidgetConfigActivity">
+</appwidget-provider>