Android Rotate Animation

Create a 'anim' folder under res folder
Create a rotate.xml file under anim folder

add below code in rotate.xml
-------------------------------------------------------


<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <rotate android:fromDegrees="0"
        android:toDegrees="180"
        android:pivotX="50%"
        android:pivotY="50%"
        android:duration="600"
     
        android:interpolator="@android:anim/cycle_interpolator"/>

</set>


open your main.xml file and add an ImageView in it
-----------------------------------------------------------

 <ImageView 
                        android:id="@+id/swapImage"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:background="@drawable/ic_launcher"/>



open your MainActivity.java file
---------------------------------------------------

public class MainActivity extends Activity implements AnimationListener{

Animation animRotate;
        ImageView swapImage;
        public void onCreate(Bundle savedInstanceState)
 {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

swapImage=(ImageView)findViewById(R.id.swapImage);

  animRotate = AnimationUtils.loadAnimation(getApplicationContext(),
               R.anim.rotate);
     
     
       animRotate.setAnimationListener(this);

 swapImage.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
swapImage.startAnimation(animRotate);

}
});


}


@Override
public void onAnimationEnd(Animation animation) {
// TODO Auto-generated method stub

}






@Override
public void onAnimationRepeat(Animation animation) {
// TODO Auto-generated method stub

}






@Override
public void onAnimationStart(Animation animation) {
// TODO Auto-generated method stub

}





}