app/src/main/res/drawable/message_bubble_incoming.xml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!--Shadow Layers-->
<item>
<rotate
android:fromDegrees="-35"
android:pivotX="0%"
android:pivotY="0%"
android:toDegrees="0">
<shape android:shape="rectangle">
<corners android:radius="4dp"/>
<padding
android:bottom="1px"
android:left="1px"
android:right="1px"/>
<solid android:color="#01000000" />
</shape>
</rotate>
</item>
<item android:left="8dp">
<shape android:shape="rectangle">
<padding
android:bottom="1px"
android:left="1px"
android:right="1px"/>
<solid android:color="#01000000" />
<corners android:radius="8dp" />
</shape>
</item>
<!--===============-->
<item>
<rotate
android:fromDegrees="-35"
android:pivotX="0%"
android:pivotY="0%"
android:toDegrees="0">
<shape android:shape="rectangle">
<corners android:radius="4dp"/>
<padding
android:bottom="1px" />
<solid android:color="#09000000" />
</shape>
</rotate>
</item>
<item android:left="8dp">
<shape android:shape="rectangle">
<padding
android:bottom="1px" />
<solid android:color="#09000000" />
<corners android:radius="8dp" />
</shape>
</item>
<!--===============-->
<item>
<rotate
android:fromDegrees="-35"
android:pivotX="0%"
android:pivotY="0%"
android:toDegrees="0">
<shape android:shape="rectangle">
<corners android:radius="4dp"/>
<padding
android:bottom="1px"
android:left="1px"
android:right="1px"/>
<solid android:color="#10000000" />
</shape>
</rotate>
</item>
<item android:left="8dp">
<shape android:shape="rectangle">
<padding
android:bottom="1px"
android:left="1px"
android:right="1px"/>
<solid android:color="#10000000" />
<corners android:radius="8dp" />
</shape>
</item>
<!--ForeGround-->
<item>
<rotate
android:fromDegrees="-35"
android:pivotX="0%"
android:pivotY="0%"
android:toDegrees="0">
<shape android:shape="rectangle">
<corners android:radius="4dp"/>
<solid android:color="@color/white" />
</shape>
</rotate>
</item>
<item android:left="8dp">
<shape android:shape="rectangle">
<solid android:color="@color/white" />
<corners android:radius="8dp" />
</shape>
</item>
</layer-list>