Update android widget sizing, hide buttons on app close, and initialize when added

android/app/src/main/java/com/audiobookshelf/app/MediaPlayerWidget.kt

@@ -37,6 +37,16 @@ class MediaPlayerWidget : AppWidgetProvider() {
   override fun onEnabled(context: Context) {
     Log.i(tag, "onEnabled check context ${context.packageName}")
 
+    DeviceManager.deviceData.lastPlaybackSession?.let {
+      val appWidgetManager = AppWidgetManager.getInstance(context)
+      val componentName = ComponentName(context, MediaPlayerWidget::class.java)
+      val ids = appWidgetManager.getAppWidgetIds(componentName)
+      Log.d(tag, "Setting initial widget state with last playback session ${it.displayTitle}")
+      for (widgetId in ids) {
+        updateAppWidget(context, appWidgetManager, widgetId, it, false, true)
+      }
+    }
+
     // Enter relevant functionality for when the first widget is created
     DeviceManager.widgetUpdater = (object : WidgetEventEmitter {
       override fun onPlayerChanged(pns: PlayerNotificationService) {
@@ -73,12 +83,6 @@ internal fun updateAppWidget(context: Context, appWidgetManager: AppWidgetManage
     PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
   )
 
-  // todo: show grayed out icons?
-  val viewVisibility = if (isAppClosed) View.INVISIBLE else View.VISIBLE
-  views.setViewVisibility(R.id.widgetPlayPauseButton, viewVisibility)
-  views.setViewVisibility(R.id.widgetFastForwardButton, viewVisibility)
-  views.setViewVisibility(R.id.widgetRewindButton, viewVisibility)
-
   val playPausePI = MediaButtonReceiver.buildMediaButtonPendingIntent(context, PlaybackStateCompat.ACTION_PLAY_PAUSE)
   views.setOnClickPendingIntent(R.id.widgetPlayPauseButton, playPausePI)
 
@@ -88,6 +92,8 @@ internal fun updateAppWidget(context: Context, appWidgetManager: AppWidgetManage
   val rewindPI = MediaButtonReceiver.buildMediaButtonPendingIntent(context, PlaybackStateCompat.ACTION_REWIND)
   views.setOnClickPendingIntent(R.id.widgetRewindButton, rewindPI)
 
+  // Show/Hide button container
+  views.setViewVisibility(R.id.widgetButtonContainer, if (isAppClosed) View.GONE else View.VISIBLE)
 
   views.setOnClickPendingIntent(R.id.widgetBackground, wholeWidgetClickPI)
 

android/app/src/main/java/com/audiobookshelf/app/player/PlayerNotificationService.kt

@@ -1,6 +1,8 @@
 package com.audiobookshelf.app.player
 
 import android.app.*
+import android.appwidget.AppWidgetManager
+import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.graphics.Bitmap
@@ -21,12 +23,15 @@ import android.support.v4.media.session.MediaControllerCompat
 import android.support.v4.media.session.MediaSessionCompat
 import android.support.v4.media.session.PlaybackStateCompat
 import android.util.Log
+import android.view.View
+import android.widget.RemoteViews
 import androidx.annotation.RequiresApi
 import androidx.core.app.NotificationCompat
 import androidx.core.content.ContextCompat
 import androidx.media.MediaBrowserServiceCompat
 import androidx.media.utils.MediaConstants
 import com.audiobookshelf.app.BuildConfig
+import com.audiobookshelf.app.MediaPlayerWidget
 import com.audiobookshelf.app.R
 import com.audiobookshelf.app.data.*
 import com.audiobookshelf.app.data.DeviceInfo
@@ -188,6 +193,7 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
   override fun onTaskRemoved(rootIntent: Intent?) {
     super.onTaskRemoved(rootIntent)
     Log.d(tag, "onTaskRemoved")
+
     stopSelf()
   }
 

android/app/src/main/res/layout/media_player_widget.xml

@@ -3,13 +3,13 @@
   android:id="@+id/widgetBackground"
   android:layout_width="fill_parent"
   android:layout_height="fill_parent"
-  android:orientation="vertical"
+  android:orientation="horizontal"
   android:theme="@style/AppTheme.AppWidgetContainer"
   style="@style/Widget.Android.AppWidget.Container">
 
   <LinearLayout
-    android:layout_width="match_parent"
+    android:layout_width="0dp"
-    android:layout_height="0dp"
+    android:layout_height="match_parent"
     android:layout_weight="3"
     android:background="?android:attr/colorAccent"
     android:theme="@style/MediaPlayerWidgetTheme"
@@ -19,22 +19,25 @@
       android:id="@+id/widgetAlbumArt"
       android:layout_width="0dp"
       android:layout_height="match_parent"
-      android:layout_weight="1"
+      android:layout_weight="2"
-      android:layout_margin="8dp"
+      android:scaleType="centerCrop"
       android:src="@drawable/icon" />
 
     <LinearLayout
       android:layout_width="0dp"
       android:layout_height="match_parent"
       android:layout_weight="3"
+      android:layout_marginVertical="8dp"
       android:orientation="vertical"
       android:gravity="center_vertical">
 
       <TextView
         android:id="@+id/widgetArtistText"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
-        android:layout_marginHorizontal="8dp"
+        android:layout_weight="2"
+        android:layout_marginLeft="8dp"
+        android:gravity="bottom"
         android:ellipsize="end"
         android:maxLines="1"
         android:text="Artist"/>
@@ -42,12 +45,49 @@
       <TextView
         android:id="@+id/widgetMediaTitle"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
-        android:layout_marginHorizontal="8dp"
+        android:layout_weight="2"
+        android:layout_marginLeft="8dp"
+        android:gravity="top"
         android:ellipsize="end"
         android:maxLines="1"
         android:text="Title"/>
 
+      <LinearLayout
+        android:id="@+id/widgetButtonContainer"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="3"
+        android:orientation="horizontal"
+        android:background="?android:attr/colorAccent"
+        android:theme="@style/MediaPlayerWidgetTheme">
+
+        <ImageView
+          android:id="@+id/widgetRewindButton"
+          android:layout_width="0dp"
+          android:layout_height="match_parent"
+          android:layout_weight="1"
+          android:layout_margin="8dp"
+          android:src="@drawable/exo_icon_rewind"
+          style="@style/Widget.Android.AppWidget.InnerView"/>
+
+        <ImageView
+          android:id="@+id/widgetPlayPauseButton"
+          android:layout_width="0dp"
+          android:layout_height="match_parent"
+          android:layout_weight="1"
+          android:layout_margin="6dp"
+          android:src="@drawable/ic_media_play_dark" />
+
+        <ImageView
+          android:id="@+id/widgetFastForwardButton"
+          android:layout_width="0dp"
+          android:layout_height="match_parent"
+          android:layout_weight="1"
+          android:layout_margin="8dp"
+          android:src="@drawable/exo_icon_fastforward" />
+      </LinearLayout>
+
     </LinearLayout>
 
     <LinearLayout
@@ -65,39 +105,4 @@
     </LinearLayout>
 
   </LinearLayout>
-
-  <LinearLayout
-    android:layout_width="match_parent"
-    android:layout_height="0dp"
-    android:layout_weight="2"
-    android:orientation="horizontal"
-    android:background="?android:attr/colorBackground"
-    android:theme="@style/MediaPlayerWidgetTheme">
-
-    <ImageView
-      android:id="@+id/widgetRewindButton"
-      android:layout_width="0dp"
-      android:layout_height="match_parent"
-      android:layout_weight="1"
-      android:layout_margin="8dp"
-      android:src="@drawable/exo_icon_rewind"
-      style="@style/Widget.Android.AppWidget.InnerView"/>
-
-    <ImageView
-      android:id="@+id/widgetPlayPauseButton"
-      android:layout_width="0dp"
-      android:layout_height="match_parent"
-      android:layout_weight="1"
-      android:layout_margin="8dp"
-      android:src="@android:drawable/ic_media_play" />
-
-    <ImageView
-      android:id="@+id/widgetFastForwardButton"
-      style="@style/Widget.Android.AppWidget.InnerView"
-      android:layout_width="0dp"
-      android:layout_height="match_parent"
-      android:layout_margin="8dp"
-      android:layout_weight="1"
-      android:src="@drawable/exo_icon_fastforward" />
-  </LinearLayout>
 </LinearLayout>

android/app/src/main/res/values/styles.xml

@@ -37,6 +37,6 @@
   <style name="Widget.Android.AppWidget.InnerView" parent="android:Widget">
 <!--    <item name="android:background">?android:attr/colorBackground</item>-->
 <!--    <item name="android:textColor">?android:attr/textColorPrimary</item>-->
-    <item name="android:padding">48dp</item>
+    <item name="android:padding">0dp</item>
   </style>
 </resources>

android/app/src/main/res/values/themes.xml

@@ -2,21 +2,16 @@
 
   <style name="AppTheme.AppWidgetContainerParent" parent="@android:style/Theme.DeviceDefault">
     <!-- Radius of the outer bound of widgets to make the rounded corners -->
-    <item name="appWidgetRadius">16dp</item>
+    <item name="appWidgetRadius">0dp</item>
     <!--
         Radius of the inner view's bound of widgets to make the rounded corners.
         It needs to be 8dp or less than the value of appWidgetRadius
         -->
-    <item name="appWidgetInnerRadius">8dp</item>
+    <item name="appWidgetInnerRadius">0dp</item>
   </style>
 
   <style name="AppTheme.AppWidgetContainer" parent="AppTheme.AppWidgetContainerParent">
     <!-- Apply padding to avoid the content of the widget colliding with the rounded corners -->
-    <item name="appWidgetPadding">16dp</item>
+    <item name="appWidgetPadding">0dp</item>
-  </style>
-
-  <style name="AppTheme.AppWidgetButton" parent="AppTheme.AppWidgetContainerParent">
-    <!-- Apply padding to avoid the content of the widget colliding with the rounded corners -->
-    <item name="appWidgetPadding">8dp</item>
   </style>
 </resources>

android/app/src/main/res/xml/media_player_widget_info.xml

@@ -3,8 +3,8 @@
     android:description="@string/app_widget_description"
     android:initialKeyguardLayout="@layout/media_player_widget"
     android:initialLayout="@layout/media_player_widget"
-    android:minWidth="272dp"
+    android:minWidth="275dp"
-    android:minHeight="56dp"
+    android:minHeight="50dp"
     android:previewImage="@drawable/media_player_widget_preview"
     android:previewLayout="@layout/media_player_widget"
     android:resizeMode="horizontal"