xml
<shape xmlns:android-"http://schemas.android.com/apk/res/android"
android:shape-"oval">
<gradient
android:startColor-"@android:color/white"
android:endColor-"@android:color/black"
android:angle-"45"/>
</shape>
xml
<rectangle xmlns:android-"http://schemas.android.com/apk/res/android">
<gradient
android:startColor-"@android:color/white"
android:endColor-"android:color/black"
android:angle-"135"/>
</rectangle>
xml
<shape xmlns:android-"http://schemas.android.com/apk/res/android"
android:shape-"rectangle">
<gradient
android:startColor-"@android:color/white"
android:endColor-"@android:color/black"
android:angle-"135"/>
</shape>
xml
<shape xmlns:android-"http://schemas.android.com/apk/res/android"
android:shape-"rectangle">
<gradient
android:startColor-"@android:color/white"
android:endColor-"@android:color/black"
android:angle-"98"/>
</shape>