replace the big icon with a drawable layer list

app/src/main/java/com/simplemobiletools/flashlight/activities/MainActivity.java

@@ -133,7 +133,7 @@ public class MainActivity extends SimpleActivity {
 
     private void changeIconColor(int colorId, ImageView imageView) {
         final int appColor = getResources().getColor(colorId);
-        imageView.getDrawable().mutate().setColorFilter(appColor, PorterDuff.Mode.SRC_IN);
+        imageView.getDrawable().mutate().setColorFilter(appColor, PorterDuff.Mode.SRC_ATOP);
     }
 
     @Subscribe

app/src/main/res/drawable/circles.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:width="60dp"
+        android:height="60dp"
+        android:left="60dp"
+        android:top="60dp">
+        <shape
+            android:shape="oval">
+            <stroke
+                android:width="15dp"
+                android:color="@android:color/white"/>
+            <solid android:color="@android:color/transparent"/>
+        </shape>
+    </item>
+
+    <item
+        android:width="120dp"
+        android:height="120dp"
+        android:left="30dp"
+        android:top="30dp">
+        <shape
+            android:shape="oval">
+            <stroke
+                android:width="15dp"
+                android:color="@android:color/white"/>
+            <solid android:color="@android:color/transparent"/>
+        </shape>
+    </item>
+
+    <item
+        android:width="180dp"
+        android:height="180dp">
+        <shape
+            android:shape="oval">
+            <stroke
+                android:width="15dp"
+                android:color="@android:color/white"/>
+            <solid android:color="@android:color/transparent"/>
+        </shape>
+    </item>
+
+</layer-list>

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

@@ -13,7 +13,7 @@
         android:id="@+id/toggle_btn"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:src="@mipmap/flashlight_big"/>
+        android:src="@drawable/circles"/>
 
     <ImageButton
         android:id="@+id/bright_display_btn"