Android利用animation-list实现帧动画

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package org.shuxiang.test; 
 
import android.app.Activity; 
import android.graphics.drawable.AnimationDrawable; 
 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.Window; 
import android.widget.Button; 
import android.widget.ImageView; 
 
public class Activity10 extends Activity 
{ 
  private ImageView animationIV; 
  private Button buttonA, buttonB, buttonC; 
  private AnimationDrawable animationDrawable; 
  @Override 
  public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    requestWindowFeature(Window.FEATURE_NO_TITLE); 
    setContentView(R.layout.test10); 
     
     
    animatiOnIV= (ImageView) findViewById(R.id.animationIV); 
    buttOnA= (Button) findViewById(R.id.buttonA); 
    buttOnB= (Button) findViewById(R.id.buttonB); 
    buttOnC= (Button) findViewById(R.id.buttonC); 
     
    buttonA.setOnClickListener(new OnClickListener() 
    { 
      @Override 
      public void onClick(View v) { 
        // TODO Auto-generated method stub 
        animationIV.setImageResource(R.drawable.animation1); 
        animatiOnDrawable= (AnimationDrawable) animationIV.getDrawable(); 
        animationDrawable.start(); 
      } 
       
    });  
     
    buttonB.setOnClickListener(new OnClickListener() 
    { 
      @Override 
      public void onClick(View v) { 
        // TODO Auto-generated method stub 
        animatiOnDrawable= (AnimationDrawable) animationIV.getDrawable(); 
        animationDrawable.stop(); 
      } 
       
    }); 
     
    buttonC.setOnClickListener(new OnClickListener() 
    { 
      @Override 
      public void onClick(View v) { 
        // TODO Auto-generated method stub 
        animationIV.setImageResource(R.drawable.animation2); 
        animatiOnDrawable= (AnimationDrawable) animationIV.getDrawable(); 
        animationDrawable.start(); 
      }       
    });     
  } 
}