You can achieve the described background by below code.
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@color/colorPrimary"/>
<item>
<bitmap android:src="https://stackoverflow.com/questions/49953217/@drawable/your-drawable" android:gravity="center" android:alpha="0.1"/>
</item>
<item android:top="300dp"
android:bottom="-300dp"
android:left="0dp"
android:right="-300dp">
<rotate
android:fromDegrees="-10"
android:pivotX="0%"
android:pivotY="100%">
<shape
android:shape="rectangle">
<solid
android:color="?android:colorBackground"/>
</shape>
</rotate>
</item>
</layer-list>
4
solved create an image view in android with arbitrary shape [duplicate]