Under res folder, create a new folder called "anim" to store your animation resources and put this on that folder.
shakeanimation.xml
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:duration="100"
android:fromDegrees="-15"
android:pivotX="50%"
android:pivotY="50%"
android:repeatCount="infinite"
android:repeatMode="reverse"
android:toDegrees="15" />
Create a blank activity called Landing
activity_landing.xml
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imgBell"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:src="@mipmap/ic_notifications_white_48dp"/>
</RelativeLayout>
And the method for animate the imageview on Landing.java
Context mContext;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext=this;
setContentView(R.layout.activity_landing);
AnimateBell();
}
public void AnimateBell() {
Animation shake = AnimationUtils.loadAnimation(mContext, R.anim.shakeanimation);
ImageView imgBell= (ImageView) findViewById(R.id.imgBell);
imgBell.setImageResource(R.mipmap.ic_notifications_active_white_48dp);
imgBell.setAnimation(shake);
}