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The Maskable Layout is a simple framelayout that allows you to easily mask views and viewgroups. You can also execute other porterduffxfermodes. Simple Drawables are accepted, as wel as AnimationDrawables !
======================= This example masks his child element (Imageview) with the mask "animation_mask" and sets the porterDuffXferMode to DST_IN
<com.christophesmet.android.views.maskableframelayout.MaskableFrameLayout
android:id="@+id/frm_mask_animated"
android:layout_width="100dp"
app:porterduffxfermode="DST_IN"
app:mask="@drawable/animation_mask"
android:layout_height="100dp">
<ImageView android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:src="@drawable/unicorn"/>
</com.christophesmet.android.views.maskableframelayout.MaskableFrameLayout>
======================= Fork the repository and include the 'library' module and you are done :) AAR File coming to soon to maven central near you ;)