adding some widget improvements + cleanup

app/build.gradle

@@ -58,7 +58,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.25.27'
+    implementation 'com.simplemobiletools:commons:5.26.0'
     implementation 'org.greenrobot:eventbus:3.2.0'
     implementation 'com.squareup.picasso:picasso:2.71828'
     implementation 'androidx.media:media:1.1.0'

app/src/main/kotlin/com/simplemobiletools/musicplayer/activities/WidgetConfigureActivity.kt

@@ -55,12 +55,7 @@ class WidgetConfigureActivity : SimpleActivity() {
 
     private fun initVariables() {
         mBgColor = config.widgetBgColor
-        if (mBgColor == 1) {
-            mBgColor = Color.BLACK
-            mBgAlpha = .2f
-        } else {
-            mBgAlpha = Color.alpha(mBgColor) / 255.toFloat()
-        }
+        mBgAlpha = Color.alpha(mBgColor) / 255.toFloat()
 
         mBgColorWithoutTransparency = Color.rgb(Color.red(mBgColor), Color.green(mBgColor), Color.blue(mBgColor))
         config_bg_seekbar.setOnSeekBarChangeListener(seekbarChangeListener)
@@ -74,8 +69,7 @@ class WidgetConfigureActivity : SimpleActivity() {
     private fun saveConfig() {
         val appWidgetManager = AppWidgetManager.getInstance(this)
         val views = RemoteViews(packageName, R.layout.widget).apply {
-            setInt(R.id.widget_background, "setColorFilter", mBgColor)
-            setInt(R.id.widget_background, "setImageAlpha", Color.alpha(mBgColor))
+            applyColorFilter(R.id.widget_background, mBgColor)
         }
 
         appWidgetManager.updateAppWidget(mWidgetId, views)

app/src/main/kotlin/com/simplemobiletools/musicplayer/helpers/MyWidgetProvider.kt

@@ -6,9 +6,9 @@ import android.appwidget.AppWidgetProvider
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
-import android.graphics.Color
 import android.os.Bundle
 import android.widget.RemoteViews
+import com.simplemobiletools.commons.extensions.applyColorFilter
 import com.simplemobiletools.commons.extensions.getColoredBitmap
 import com.simplemobiletools.commons.extensions.getLaunchIntent
 import com.simplemobiletools.musicplayer.R
@@ -17,121 +17,104 @@ import com.simplemobiletools.musicplayer.extensions.config
 import com.simplemobiletools.musicplayer.extensions.sendIntent
 import com.simplemobiletools.musicplayer.models.Song
 import com.simplemobiletools.musicplayer.services.MusicService
-import com.simplemobiletools.musicplayer.services.MusicService.Companion.mCurrSong
 
 class MyWidgetProvider : AppWidgetProvider() {
-    private var mContext: Context? = null
-
     override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray) {
         performUpdate(context)
     }
 
     private fun performUpdate(context: Context) {
-        mContext = context
         val appWidgetManager = AppWidgetManager.getInstance(context)
-        appWidgetManager.getAppWidgetIds(getComponentName()).forEach {
+        appWidgetManager.getAppWidgetIds(getComponentName(context)).forEach {
             val views = getRemoteViews(appWidgetManager, context, it)
-            updateColors(views)
-            setupButtons(views)
-            updateSongInfo(views, MusicService.mCurrSong)
-            updatePlayPauseButton(views, MusicService.getIsPlaying())
+            updateColors(context, views)
+            setupButtons(context, views)
+            updatePlayPauseButton(context, views, MusicService.getIsPlaying())
             appWidgetManager.updateAppWidget(it, views)
         }
     }
 
-    private fun getComponentName() = ComponentName(mContext!!, MyWidgetProvider::class.java)
+    override fun onReceive(context: Context, intent: Intent) {
+        val action = intent.action
+        when (action) {
+            SONG_CHANGED -> songChanged(context, intent)
+            SONG_STATE_CHANGED -> songStateChanged(context, intent)
+            PREVIOUS, PLAYPAUSE, NEXT -> context.sendIntent(action)
+            else -> super.onReceive(context, intent)
+        }
+    }
 
-    private fun setupIntent(views: RemoteViews, action: String, id: Int) {
-        val intent = Intent(mContext, MyWidgetProvider::class.java)
+    override fun onAppWidgetOptionsChanged(context: Context, appWidgetManager: AppWidgetManager, widgetId: Int, newOptions: Bundle) {
+        performUpdate(context)
+        super.onAppWidgetOptionsChanged(context, appWidgetManager, widgetId, newOptions)
+    }
+
+    private fun setupIntent(context: Context, views: RemoteViews, action: String, id: Int) {
+        val intent = Intent(context, MyWidgetProvider::class.java)
         intent.action = action
-        val pendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0)
+        val pendingIntent = PendingIntent.getBroadcast(context, 0, intent, 0)
         views.setOnClickPendingIntent(id, pendingIntent)
     }
 
-    private fun setupAppOpenIntent(views: RemoteViews, id: Int) {
-        val intent = mContext?.getLaunchIntent() ?: Intent(mContext, SplashActivity::class.java)
-        val pendingIntent = PendingIntent.getActivity(mContext, 0, intent, 0)
+    private fun setupAppOpenIntent(context: Context, views: RemoteViews, id: Int) {
+        val intent = context.getLaunchIntent() ?: Intent(context, SplashActivity::class.java)
+        val pendingIntent = PendingIntent.getActivity(context, 0, intent, 0)
         views.setOnClickPendingIntent(id, pendingIntent)
     }
 
-    private fun songChanged(intent: Intent) {
+    private fun songChanged(context: Context, intent: Intent) {
         val song = intent.getSerializableExtra(NEW_SONG) as? Song ?: return
-        val appWidgetManager = AppWidgetManager.getInstance(mContext)
-        appWidgetManager.getAppWidgetIds(getComponentName()).forEach {
-            val views = getRemoteViews(appWidgetManager, mContext!!, it)
+        val appWidgetManager = AppWidgetManager.getInstance(context)
+        appWidgetManager.getAppWidgetIds(getComponentName(context)).forEach {
+            val views = getRemoteViews(appWidgetManager, context, it)
             updateSongInfo(views, song)
             appWidgetManager.updateAppWidget(it, views)
         }
     }
 
     private fun updateSongInfo(views: RemoteViews, currSong: Song?) {
-        var title = ""
-        var artist = ""
-        if (currSong != null) {
-            title = mCurrSong!!.title
-            artist = mCurrSong!!.artist
-        }
-
-        views.setTextViewText(R.id.song_info_title, title)
-        views.setTextViewText(R.id.song_info_artist, artist)
+        views.setTextViewText(R.id.song_info_title, currSong?.title ?: "")
+        views.setTextViewText(R.id.song_info_artist, currSong?.artist ?: "")
     }
 
-    private fun songStateChanged(intent: Intent) {
+    private fun songStateChanged(context: Context, intent: Intent) {
         val isPlaying = intent.getBooleanExtra(IS_PLAYING, false)
-        val appWidgetManager = AppWidgetManager.getInstance(mContext)
-        appWidgetManager.getAppWidgetIds(getComponentName()).forEach {
-            val views = getRemoteViews(appWidgetManager, mContext!!, it)
-            updatePlayPauseButton(views, isPlaying)
+        val appWidgetManager = AppWidgetManager.getInstance(context)
+        appWidgetManager.getAppWidgetIds(getComponentName(context)).forEach {
+            val views = getRemoteViews(appWidgetManager, context, it)
+            updatePlayPauseButton(context, views, isPlaying)
             appWidgetManager.updateAppWidget(it, views)
         }
     }
 
-    private fun updatePlayPauseButton(views: RemoteViews, isPlaying: Boolean) {
+    private fun updatePlayPauseButton(context: Context, views: RemoteViews, isPlaying: Boolean) {
         val drawableId = if (isPlaying) R.drawable.ic_pause_vector else R.drawable.ic_play_vector
-        val widgetTextColor = mContext!!.config.widgetTextColor
-        val icon = mContext!!.resources.getColoredBitmap(drawableId, widgetTextColor)
+        val widgetTextColor = context.config.widgetTextColor
+        val icon = context.resources.getColoredBitmap(drawableId, widgetTextColor)
         views.setImageViewBitmap(R.id.play_pause_btn, icon)
     }
 
-    private fun updateColors(views: RemoteViews) {
-        val config = mContext!!.config
-        val res = mContext!!.resources
+    private fun updateColors(context: Context, views: RemoteViews) {
+        val config = context.config
         val widgetBgColor = config.widgetBgColor
         val widgetTextColor = config.widgetTextColor
 
         views.apply {
-            setInt(R.id.widget_background, "setColorFilter", widgetBgColor)
-            setInt(R.id.widget_background, "setImageAlpha", Color.alpha(widgetBgColor))
+            applyColorFilter(R.id.widget_background, widgetBgColor)
             setTextColor(R.id.song_info_title, widgetTextColor)
             setTextColor(R.id.song_info_artist, widgetTextColor)
-            setImageViewBitmap(R.id.previous_btn, res.getColoredBitmap(R.drawable.ic_previous_vector, widgetTextColor))
-            setImageViewBitmap(R.id.next_btn, res.getColoredBitmap(R.drawable.ic_next_vector, widgetTextColor))
+            setImageViewBitmap(R.id.previous_btn, context.resources.getColoredBitmap(R.drawable.ic_previous_vector, widgetTextColor))
+            setImageViewBitmap(R.id.next_btn, context.resources.getColoredBitmap(R.drawable.ic_next_vector, widgetTextColor))
         }
     }
 
-    override fun onReceive(context: Context, intent: Intent) {
-        mContext = context
-        val action = intent.action
-        when (action) {
-            SONG_CHANGED -> songChanged(intent)
-            SONG_STATE_CHANGED -> songStateChanged(intent)
-            PREVIOUS, PLAYPAUSE, NEXT -> context.sendIntent(action)
-            else -> super.onReceive(context, intent)
-        }
-    }
+    private fun setupButtons(context: Context, views: RemoteViews) {
+        setupIntent(context, views, PREVIOUS, R.id.previous_btn)
+        setupIntent(context, views, PLAYPAUSE, R.id.play_pause_btn)
+        setupIntent(context, views, NEXT, R.id.next_btn)
 
-    private fun setupButtons(views: RemoteViews) {
-        setupIntent(views, PREVIOUS, R.id.previous_btn)
-        setupIntent(views, PLAYPAUSE, R.id.play_pause_btn)
-        setupIntent(views, NEXT, R.id.next_btn)
-
-        setupAppOpenIntent(views, R.id.song_info_title)
-        setupAppOpenIntent(views, R.id.song_info_artist)
-    }
-
-    override fun onAppWidgetOptionsChanged(context: Context, appWidgetManager: AppWidgetManager, widgetId: Int, newOptions: Bundle) {
-        performUpdate(context)
-        super.onAppWidgetOptionsChanged(context, appWidgetManager, widgetId, newOptions)
+        setupAppOpenIntent(context, views, R.id.song_info_title)
+        setupAppOpenIntent(context, views, R.id.song_info_artist)
     }
 
     private fun getRemoteViews(appWidgetManager: AppWidgetManager, context: Context, widgetId: Int): RemoteViews {
@@ -142,7 +125,14 @@ class MyWidgetProvider : AppWidgetProvider() {
             context.config.initialWidgetHeight = minHeight
         }
 
-        val layoutId = if (minHeight < context.config.initialWidgetHeight / 2) R.layout.small_widget else R.layout.widget
+        val layoutId = if (minHeight < context.config.initialWidgetHeight / 2) {
+            R.layout.small_widget
+        } else {
+            R.layout.widget
+        }
+
         return RemoteViews(context.packageName, layoutId)
     }
+
+    private fun getComponentName(context: Context) = ComponentName(context, MyWidgetProvider::class.java)
 }

app/src/main/kotlin/com/simplemobiletools/musicplayer/services/MusicService.kt

@@ -689,8 +689,10 @@ class MusicService : Service(), MediaPlayer.OnPreparedListener, MediaPlayer.OnEr
     }
 
     private fun broadcastSongChange(song: Song?) {
-        broadcastUpdateWidgetSong(song)
-        EventBus.getDefault().post(Events.SongChanged(song))
+        Handler(Looper.getMainLooper()).post {
+            broadcastUpdateWidgetSong(song)
+            EventBus.getDefault().post(Events.SongChanged(song))
+        }
     }
 
     private fun broadcastSongStateChange(isPlaying: Boolean) {

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

@@ -1,12 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/widget_holder"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="@android:color/black"
-    android:gravity="center_horizontal">
+    android:gravity="center">
 
-    <include layout="@layout/widget_controls"/>
+    <ImageView
+        android:id="@+id/widget_background"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignBottom="@+id/widget_controls"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentEnd="true"
+        android:src="@drawable/widget_background" />
+
+    <include
+        android:id="@+id/widget_controls"
+        layout="@layout/widget_controls"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/controls_row_height" />
 
 </RelativeLayout>

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/widget_holder"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -15,40 +16,46 @@
         android:layout_alignParentEnd="true"
         android:src="@drawable/widget_background" />
 
-    <TextView
-        android:id="@+id/song_info_title"
+    <RelativeLayout
+        android:id="@+id/song_info_holder"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/activity_margin"
-        android:layout_marginTop="@dimen/small_margin"
-        android:layout_marginRight="@dimen/activity_margin"
-        android:ellipsize="end"
-        android:gravity="center"
-        android:lines="1"
-        android:text="@string/title"
-        android:textColor="@android:color/white"
-        android:textSize="@dimen/big_text_size" />
+        android:layout_height="@dimen/controls_row_height"
+        android:gravity="center_vertical"
+        android:paddingTop="@dimen/small_margin">
 
-    <TextView
-        android:id="@+id/song_info_artist"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_below="@+id/song_info_title"
-        android:layout_marginLeft="@dimen/activity_margin"
-        android:layout_marginRight="@dimen/activity_margin"
-        android:layout_marginBottom="@dimen/small_margin"
-        android:ellipsize="end"
-        android:gravity="center"
-        android:lines="1"
-        android:text="@string/artist"
-        android:textColor="@android:color/white"
-        android:textSize="@dimen/bigger_text_size" />
+        <TextView
+            android:id="@+id/song_info_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/activity_margin"
+            android:layout_marginEnd="@dimen/activity_margin"
+            android:ellipsize="end"
+            android:gravity="center"
+            android:lines="1"
+            android:textColor="@android:color/white"
+            android:textSize="@dimen/big_text_size"
+            tools:text="@string/title" />
+
+        <TextView
+            android:id="@+id/song_info_artist"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/song_info_title"
+            android:layout_marginStart="@dimen/activity_margin"
+            android:layout_marginEnd="@dimen/activity_margin"
+            android:ellipsize="end"
+            android:gravity="center"
+            android:lines="1"
+            android:textColor="@android:color/white"
+            android:textSize="@dimen/bigger_text_size"
+            tools:text="@string/artist" />
+    </RelativeLayout>
 
     <include
         android:id="@+id/widget_controls"
         layout="@layout/widget_controls"
         android:layout_width="match_parent"
         android:layout_height="@dimen/controls_row_height"
-        android:layout_below="@+id/song_info_artist" />
+        android:layout_below="@+id/song_info_holder" />
 
 </RelativeLayout>

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

@@ -3,6 +3,7 @@
     android:id="@+id/main_controls"
     android:layout_width="match_parent"
     android:layout_height="@dimen/controls_row_height"
+    android:gravity="center_vertical"
     android:orientation="horizontal">
 
     <ImageView