Working example – changing drawable background in runtime, dynamically

Here is a short example code how to do it:
I’ve created xml file shape.xml and one method for flexible changing color of shape.

shape.xml:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="@android:color/holo_blue_bright" />
<corners android:radius="30dp" />
<size
android:height="15dp"
android:width="15dp" />
</shape>

And here is a method for flexible changing color:

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