android layoutanimation 实现listview /gradview 的动画效果

package com.example.scrool;


 import android.app.Activity;

 import android.os.Bundle;

 import android.view.animation.AlphaAnimation;

 import android.view.animation.Animation;

 import android.view.animation.AnimationSet;

 import android.view.animation.LayoutAnimationController;

 import android.view.animation.RotateAnimation;

 import android.view.animation.ScaleAnimation;

 import android.view.animation.TranslateAnimation;

 import android.widget.ArrayAdapter;

 import android.widget.ListView;


 public class MainActivity extends Activity {


     private ListView listView;//滚动


     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         String[] arraycontent= { "Afghanistan", "Albania", "Algeria", 

                 "American Samoa", "Andorra", "Angola", "Anguilla", 

                 "Antarctica", "Antigua and Barbuda", "Argentina", "Armenia", 

                 "Aruba", "Australia", "Austria", "Azerbaijan", "Bahrain", 

                 "Bangladesh", "Barbados", "Belarus", "Belgium", "Belize", 

                 "Benin", "Bermuda", "Bhutan", "Bolivia", 

                 "Bosnia and Herzegovina", "Botswana", "Bouvet Island" };

          ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>( 

          MainActivity.this, android.R.layout.simple_list_item_1, 

          arraycontent); 

         listView = (ListView) findViewById(R.id.lv_mylist);

         listView.setAdapter(arrayAdapter);

         Animation();

         

     

     }


     private void Animation() {

         AnimationSet set = new AnimationSet(false);

         Animation animation = new AlphaAnimation(0,1);   //AlphaAnimation 控制渐变透明的动画效果

         animation.setDuration(500);     //动画时间毫秒数

         set.addAnimation(animation);    //加入动画集合


         animation = new TranslateAnimation(1, 13, 10, 50);  //ScaleAnimation 控制尺寸伸缩的动画效果

         animation.setDuration(300);

         set.addAnimation(animation);


         animation = new RotateAnimation(30,10);    //TranslateAnimation  控制画面平移的动画效果

         animation.setDuration(300);

         set.addAnimation(animation);


         animation = new ScaleAnimation(5,0,2,0);    //RotateAnimation  控制画面角度变化的动画效果

         animation.setDuration(300);

         set.addAnimation(animation);


         LayoutAnimationController controller = new LayoutAnimationController(set, 2);



         /*GridView gridView = (GridView) this.findViewById(R.id.gridview);

         gridView .setLayoutAnimation(controller);  //GridView 设置动画效果

 */

         ListView listview= (ListView)this.findViewById(R.id.lv_mylist);

         listview.setLayoutAnimation(controller);   //ListView 设置动画效果

         

     }

     

     


 }