I want to use a background for my buttons. But when I use a png it slows down the app. Therefore I want to use a xml shape but I do not know how to make the corner cut (like on the picture).
By now I have the following shape which is just a rectangle:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="@color/blue_semi_transparent"/>
<padding android:bottom="10dp" android:right="10dp" android:top="10dp" android:left="10dp"/>
<margin android:bottom="10dp" android:right="10dp" android:top="10dp" android:left="10dp"/>
</shape>
How can I draw the bottom right corner?
You can try this,
skewed_background.xml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<shape android:shape="rectangle" >
<solid android:color="#3F8EEB" />
</shape>
</item>
<item>
<rotate
android:fromDegrees="110"
android:pivotX="90%"
android:pivotY="90%"
>
<shape android:shape="rectangle" >
<solid android:color="#FFF" />
</shape>
</rotate>
</item>
</layer-list>
sample_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:orientation="vertical" >
<View
android:layout_width="200dp"
android:layout_height="50dp"
android:background="@drawable/triangle1"/>
</LinearLayout>
If you want to modify the skewed area you just need to change the value of fromDegrees, pivotX and pivotY value in the second item in skewed_background.xml.
This is exactly what you looking for
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/bg"
android:paddingRight="15dp"
android:textColor="#ffffff"
android:layout_centerInParent="true"
android:text="Button" />
</RelativeLayout>
bg.xml
<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<shape android:shape="rectangle">
<size
android:width="100dp"
android:height="40dp" />
<solid android:color="#13a89e" />
</shape>
</item>
<item
android:right="100dp"
android:left="100dp"
android:top="-100dp"
android:bottom="-100dp">
<rotate
android:fromDegrees="45">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
</shape>
</rotate>
</item>
<item
android:right="-100dp"
android:left="100dp"
android:top="-100dp"
android:bottom="-100dp">
<rotate
android:fromDegrees="45">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
</shape>
</rotate>
</item>
</layer-list>
OUTPUT
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