allow changing the texts and buttons color too

app/src/main/java/musicplayer/simplemobiletools/com/Constants.java

@@ -3,4 +3,5 @@ package musicplayer.simplemobiletools.com;
 public class Constants {
     public static final String PREFS = "prefs";
     public static final String WIDGET_BG_COLOR = "widget_bg_color";
+    public static final String WIDGET_TEXT_COLOR = "widget_text_color";
 }

app/src/main/java/musicplayer/simplemobiletools/com/MyWidgetConfigure.java

@@ -6,9 +6,11 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Color;
+import android.graphics.PorterDuff;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
+import android.widget.ImageView;
 import android.widget.RemoteViews;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -18,18 +20,31 @@ import butterknife.ButterKnife;
 import butterknife.OnClick;
 import yuku.ambilwarna.AmbilWarnaDialog;
 
-public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChangeListener {
+public class MyWidgetConfigure extends Activity {
-    @Bind(R.id.config_seekbar) SeekBar seekBar;
+    @Bind(R.id.config_bg_seekbar) SeekBar bgSeekBar;
-    @Bind(R.id.config_player) View background;
+    @Bind(R.id.config_text_seekbar) SeekBar textSeekBar;
-    @Bind(R.id.config_background_color) View backgroundColorPicker;
+    @Bind(R.id.config_player) View widgetBackground;
+    @Bind(R.id.config_bg_color) View bgColorPicker;
+    @Bind(R.id.config_text_color) View textColorPicker;
+    @Bind(R.id.config_save) Button saveBtn;
+
     @Bind(R.id.songTitle) TextView songTitle;
     @Bind(R.id.songArtist) TextView songArtist;
-    @Bind(R.id.config_save) Button saveBtn;
+
+    @Bind(R.id.previousBtn) ImageView prevBtn;
+    @Bind(R.id.playPauseBtn) ImageView playPauseBtn;
+    @Bind(R.id.nextBtn) ImageView nextBtn;
+    @Bind(R.id.stopBtn) ImageView stopBtn;
+
     private int widgetId;
     private int newBgColor;
     private int bgColorWithoutTransparency;
     private float bgAlpha;
 
+    private int newTextColor;
+    private int textColorWithoutTransparency;
+    private float textAlpha;
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -50,14 +65,19 @@ public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChan
 
     private void initVariables() {
         bgAlpha = 0.5f;
-        seekBar.setOnSeekBarChangeListener(this);
+        bgSeekBar.setOnSeekBarChangeListener(bgSeekbarChangeListener);
-        seekBar.setProgress((int) (bgAlpha * 100));
+        bgSeekBar.setProgress((int) (bgAlpha * 100));
         newBgColor = Color.BLACK;
-        newBgColor = adjustAlpha(newBgColor, bgAlpha);
+        bgColorWithoutTransparency = newBgColor;
-        bgColorWithoutTransparency = Color.BLACK;
+        updateBackgroundColor();
-        background.setBackgroundColor(newBgColor);
+
-        saveBtn.setBackgroundColor(newBgColor);
+        textAlpha = 1.f;
-        backgroundColorPicker.setBackgroundColor(Color.BLACK);
+        textSeekBar.setOnSeekBarChangeListener(textSeekbarChangeListener);
+        textSeekBar.setProgress((int) (textAlpha * 100));
+        newTextColor = Color.WHITE;
+        textColorWithoutTransparency = newTextColor;
+        updateTextColor();
+
         songTitle.setText("Song Title");
         songArtist.setText("Song Artist");
     }
@@ -78,7 +98,7 @@ public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChan
         finish();
     }
 
-    @OnClick(R.id.config_background_color)
+    @OnClick(R.id.config_bg_color)
     public void pickBackgroundColor() {
         AmbilWarnaDialog dialog = new AmbilWarnaDialog(this, bgColorWithoutTransparency, new AmbilWarnaDialog.OnAmbilWarnaListener() {
             @Override
@@ -87,7 +107,6 @@ public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChan
 
             @Override
             public void onOk(AmbilWarnaDialog dialog, int color) {
-                backgroundColorPicker.setBackgroundColor(color);
                 bgColorWithoutTransparency = color;
                 updateBackgroundColor();
             }
@@ -96,9 +115,27 @@ public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChan
         dialog.show();
     }
 
+    @OnClick(R.id.config_text_color)
+    public void pickTextColor() {
+        AmbilWarnaDialog dialog = new AmbilWarnaDialog(this, textColorWithoutTransparency, new AmbilWarnaDialog.OnAmbilWarnaListener() {
+            @Override
+            public void onCancel(AmbilWarnaDialog dialog) {
+            }
+
+            @Override
+            public void onOk(AmbilWarnaDialog dialog, int color) {
+                textColorWithoutTransparency = color;
+                updateTextColor();
+            }
+        });
+
+        dialog.show();
+    }
+
     private void storeWidgetBackground() {
         final SharedPreferences prefs = getSharedPreferences(Constants.PREFS, Context.MODE_PRIVATE);
         prefs.edit().putInt(Constants.WIDGET_BG_COLOR, newBgColor).apply();
+        prefs.edit().putInt(Constants.WIDGET_TEXT_COLOR, newTextColor).apply();
     }
 
     private void requestWidgetUpdate() {
@@ -107,31 +144,68 @@ public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChan
         sendBroadcast(intent);
     }
 
+    private void updateBackgroundColor() {
+        newBgColor = adjustAlpha(bgColorWithoutTransparency, bgAlpha);
+        widgetBackground.setBackgroundColor(newBgColor);
+        bgColorPicker.setBackgroundColor(newBgColor);
+        saveBtn.setBackgroundColor(newBgColor);
+    }
+
+    private void updateTextColor() {
+        newTextColor = adjustAlpha(textColorWithoutTransparency, textAlpha);
+        textColorPicker.setBackgroundColor(newTextColor);
+
+        saveBtn.setTextColor(newTextColor);
+        songTitle.setTextColor(newTextColor);
+        songArtist.setTextColor(newTextColor);
+
+        prevBtn.getDrawable().mutate().setColorFilter(newTextColor, PorterDuff.Mode.SRC_IN);
+        playPauseBtn.getDrawable().mutate().setColorFilter(newTextColor, PorterDuff.Mode.SRC_IN);
+        nextBtn.getDrawable().mutate().setColorFilter(newTextColor, PorterDuff.Mode.SRC_IN);
+        stopBtn.getDrawable().mutate().setColorFilter(newTextColor, PorterDuff.Mode.SRC_IN);
+    }
+
+    private SeekBar.OnSeekBarChangeListener bgSeekbarChangeListener = new SeekBar.OnSeekBarChangeListener() {
         @Override
         public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
             bgAlpha = (float) progress / (float) 100;
             updateBackgroundColor();
         }
 
-    private void updateBackgroundColor() {
-        newBgColor = adjustAlpha(bgColorWithoutTransparency, bgAlpha);
-        background.setBackgroundColor(newBgColor);
-        saveBtn.setBackgroundColor(newBgColor);
-    }
-
-    private int adjustAlpha(int color, float factor) {
-        int alpha = Math.round(Color.alpha(color) * factor);
-        int red = Color.red(color);
-        int green = Color.green(color);
-        int blue = Color.blue(color);
-        return Color.argb(alpha, red, green, blue);
-    }
-
         @Override
         public void onStartTrackingTouch(SeekBar seekBar) {
+
         }
 
         @Override
         public void onStopTrackingTouch(SeekBar seekBar) {
+
+        }
+    };
+
+    private SeekBar.OnSeekBarChangeListener textSeekbarChangeListener = new SeekBar.OnSeekBarChangeListener() {
+        @Override
+        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+            textAlpha = (float) progress / (float) 100;
+            updateTextColor();
+        }
+
+        @Override
+        public void onStartTrackingTouch(SeekBar seekBar) {
+
+        }
+
+        @Override
+        public void onStopTrackingTouch(SeekBar seekBar) {
+
+        }
+    };
+
+    private int adjustAlpha(int color, float factor) {
+        final int alpha = Math.round(Color.alpha(color) * factor);
+        final int red = Color.red(color);
+        final int green = Color.green(color);
+        final int blue = Color.blue(color);
+        return Color.argb(alpha, red, green, blue);
     }
 }

app/src/main/java/musicplayer/simplemobiletools/com/MyWidgetProvider.java

@@ -7,6 +7,14 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
 import android.os.Bundle;
 import android.widget.RemoteViews;
 
@@ -27,6 +35,8 @@ public class MyWidgetProvider extends AppWidgetProvider {
     private static Bus bus;
     private static Song currSong;
     private static boolean isPlaying;
+    private static Bitmap playBitmap;
+    private static Bitmap pauseBitmap;
 
     @Override
     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
@@ -41,6 +51,8 @@ public class MyWidgetProvider extends AppWidgetProvider {
     private void setupIntent(String action, int id) {
         intent.setAction(action);
         PendingIntent pendingIntent = PendingIntent.getBroadcast(cxt, 0, intent, 0);
+
+        if (remoteViews != null)
             remoteViews.setOnClickPendingIntent(id, pendingIntent);
     }
 
@@ -48,6 +60,7 @@ public class MyWidgetProvider extends AppWidgetProvider {
         final SharedPreferences prefs = initPrefs(context);
         final int defaultColor = context.getResources().getColor(R.color.dark_grey);
         final int newBgColor = prefs.getInt(Constants.WIDGET_BG_COLOR, defaultColor);
+        final int newTextColor = prefs.getInt(Constants.WIDGET_TEXT_COLOR, defaultColor);
         final ComponentName component = new ComponentName(context, MyWidgetProvider.class);
 
         widgetManager = AppWidgetManager.getInstance(context);
@@ -57,6 +70,32 @@ public class MyWidgetProvider extends AppWidgetProvider {
 
         remoteViews = getRemoteViews(widgetManager, context, widgetIds[0]);
         remoteViews.setInt(R.id.widget_holder, "setBackgroundColor", newBgColor);
+
+        final int alpha = Color.alpha(newTextColor);
+        remoteViews.setInt(R.id.songTitle, "setTextColor", newTextColor);
+        remoteViews.setInt(R.id.songTitle, "setAlpha", alpha);
+        remoteViews.setInt(R.id.songArtist, "setTextColor", newTextColor);
+        remoteViews.setInt(R.id.songArtist, "setAlpha", alpha);
+
+        Bitmap bmp = getColoredIcon(context, newTextColor, R.mipmap.previous_white);
+        remoteViews.setInt(R.id.previousBtn, "setAlpha", alpha);
+        remoteViews.setImageViewBitmap(R.id.previousBtn, bmp);
+        updateWidget();
+
+        playBitmap = getColoredIcon(context, newTextColor, R.mipmap.play_white);
+        pauseBitmap = getColoredIcon(context, newTextColor, R.mipmap.pause_white);
+        remoteViews.setInt(R.id.playPauseBtn, "setAlpha", alpha);
+        updatePlayPauseButton();
+
+        bmp = getColoredIcon(context, newTextColor, R.mipmap.next_white);
+        remoteViews.setInt(R.id.nextBtn, "setAlpha", alpha);
+        remoteViews.setImageViewBitmap(R.id.nextBtn, bmp);
+
+        bmp = getColoredIcon(context, newTextColor, R.mipmap.stop_white);
+        remoteViews.setInt(R.id.stopBtn, "setAlpha", alpha);
+        remoteViews.setImageViewBitmap(R.id.stopBtn, bmp);
+
+        updateWidget();
         updateSongInfo();
 
         if (bus == null) {
@@ -65,6 +104,18 @@ public class MyWidgetProvider extends AppWidgetProvider {
         }
     }
 
+    private Bitmap getColoredIcon(Context context, int newTextColor, int id) {
+        final BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inMutable = true;
+        final Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), id, options);
+        final Paint paint = new Paint();
+        final ColorFilter filter = new PorterDuffColorFilter(newTextColor, PorterDuff.Mode.SRC_IN);
+        paint.setColorFilter(filter);
+        final Canvas canvas = new Canvas(bmp);
+        canvas.drawBitmap(bmp, 0, 0, paint);
+        return bmp;
+    }
+
     private SharedPreferences initPrefs(Context context) {
         return context.getSharedPreferences(Constants.PREFS, Context.MODE_PRIVATE);
     }
@@ -82,6 +133,10 @@ public class MyWidgetProvider extends AppWidgetProvider {
             title = currSong.getTitle();
             artist = currSong.getArtist();
         }
+
+        if (remoteViews == null)
+            return;
+
         remoteViews.setTextViewText(R.id.songTitle, title);
         remoteViews.setTextViewText(R.id.songArtist, artist);
         updateWidget();
@@ -95,12 +150,12 @@ public class MyWidgetProvider extends AppWidgetProvider {
     }
 
     private void updatePlayPauseButton() {
-        int icon = R.mipmap.play_white;
+        Bitmap bmp = playBitmap;
 
         if (isPlaying)
-            icon = R.mipmap.pause_white;
+            bmp = pauseBitmap;
 
-        remoteViews.setImageViewResource(R.id.playPauseBtn, icon);
+        remoteViews.setImageViewBitmap(R.id.playPauseBtn, bmp);
         updateWidget();
     }
 

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

@@ -17,23 +17,47 @@
         android:layout_marginBottom="@dimen/activity_margin"/>
 
     <Button
-        android:id="@+id/config_background_color"
+        android:id="@+id/config_bg_color"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
+        android:layout_above="@+id/config_text_color"/>
+
+    <RelativeLayout
+        android:id="@+id/config_bg_seekbar_holder"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignBottom="@+id/config_bg_color"
+        android:layout_alignTop="@+id/config_bg_color"
+        android:layout_toRightOf="@+id/config_bg_color"
+        android:background="@android:color/white">
+
+        <SeekBar
+            android:id="@+id/config_bg_seekbar"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:paddingLeft="@dimen/activity_margin"
+            android:paddingRight="@dimen/activity_margin"/>
+    </RelativeLayout>
+
+    <Button
+        android:id="@+id/config_text_color"
         android:layout_width="50dp"
         android:layout_height="50dp"
         android:layout_alignParentBottom="true"/>
 
     <RelativeLayout
-        android:id="@+id/config_seekbar_holder"
+        android:id="@+id/config_text_seekbar_holder"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_alignParentBottom="true"
-        android:layout_alignTop="@+id/config_background_color"
+        android:layout_alignTop="@+id/config_text_color"
         android:layout_toLeftOf="@+id/config_save"
-        android:layout_toRightOf="@+id/config_background_color"
+        android:layout_toRightOf="@+id/config_text_color"
         android:background="@android:color/white">
 
         <SeekBar
-            android:id="@+id/config_seekbar"
+            android:id="@+id/config_text_seekbar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
@@ -45,9 +69,9 @@
         android:id="@+id/config_save"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
-        android:layout_alignBottom="@id/config_background_color"
+        android:layout_alignBottom="@+id/config_text_color"
         android:layout_alignParentRight="true"
-        android:layout_alignTop="@id/config_background_color"
+        android:layout_alignTop="@+id/config_text_color"
         android:paddingLeft="@dimen/activity_margin"
         android:paddingRight="@dimen/activity_margin"
         android:text="Save"