Android learning --- create Frame Animation

1. First layout the file in aime_activity.xml

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent" ><ImageView        android:id="@+id/Img_center"        android:layout_width="50dp"        android:layout_height="50dp"        android:layout_centerHorizontal="true"        android:layout_centerVertical="true"/></RelativeLayout >

2. Create an anim. xml Frame Animation File

<?xml version="1.0" encoding="utf-8"?><animation-list xmlns:android="http://schemas.android.com/apk/res/android" >    <item android:drawable="@android:drawable/star_big_off" android:duration="50"/>    <item android:drawable="@android:drawable/star_big_on" android:duration="50"/></animation-list>

Note: The duration Attribute indicates the display time of each item.

3. java File

Img1=(ImageView)this.findViewById(R.id.Img_center);Img1.setBackgroundResource(R.drawable.login_img);Img1.setVisibility(ImageView.VISIBLE);AnimationDrawable frameAnimation =                    (AnimationDrawable)Img1.getBackground();frameAnimation.stop();frameAnimation.start();

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