android-Animation 四种基本动画

旋转，淡化，放大缩小，。。四种动画

下载这个图片改为压缩文件就可以看到源码。右键这个显示不出来的图片   复制图片地址  用工具下载之后，把后缀改为rar就是源码项目。

package zhang.Animation;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.view.animation.AlphaAnimation;import android.view.animation.Animation;import android.view.animation.AnimationSet;import android.view.animation.RotateAnimation;import android.view.animation.ScaleAnimation;import android.view.animation.TranslateAnimation;import android.widget.Button;import android.widget.ImageView;public class Animation_ extends Activity {private Button rotate;private Button scale;private Button alpha;private Button translate;private ImageView imageView;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        rotate=(Button)findViewById(R.id.rotate);        scale=(Button)findViewById(R.id.scale);        alpha=(Button)findViewById(R.id.alpha);        translate=(Button)findViewById(R.id.translate);        imageView=(ImageView)findViewById(R.id.img);                rotate.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubAnimationSet animationSet = new AnimationSet(true);RotateAnimation rotateAnimation  = new RotateAnimation(0,360,Animation.RELATIVE_TO_PARENT,1f,Animation.RELATIVE_TO_PARENT,0f);rotateAnimation.setDuration(1000);animationSet.addAnimation(rotateAnimation);imageView.startAnimation(animationSet);}});        alpha.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubAnimationSet animationSet = new AnimationSet(true);AlphaAnimation alphaAnimation = new AlphaAnimation(1,0);alphaAnimation.setDuration(1000);animationSet.addAnimation(alphaAnimation);imageView.startAnimation(animationSet);}});                scale.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubAnimationSet animationSet = new AnimationSet(true);ScaleAnimation scaleAnimation =new ScaleAnimation(1,0.1f,1,0.1f,Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f);animationSet.addAnimation(scaleAnimation);animationSet.setDuration(2000);imageView.startAnimation(animationSet);}});                translate.setOnClickListener(new TranslateListener());            }        class TranslateListener implements OnClickListener{    public void onClick(View arg0) {// TODO Auto-generated method stubAnimationSet animationSet = new AnimationSet(true);TranslateAnimation translateAnimation=new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,10f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,1.0f);translateAnimation.setDuration(1000);animationSet.addAnimation(translateAnimation);imageView.startAnimation(animationSet);}        }}

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent" android:orientation="vertical"><ImageView  android:id="@+id/img"    android:layout_width="fill_parent"     android:layout_height="wrap_content" android:src="@drawable/icon"android:layout_centerInParent="true"android:layout_marginTop="100dip"    /><Button android:text="Rotate" android:id="@+id/rotate" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_above="@+id/scale"></Button><Button android:text="Scale" android:id="@+id/scale" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_above="@+id/alpha" ></Button><Button android:text="Alpha" android:id="@+id/alpha" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_above="@+id/translate"></Button><Button android:text="Translate" android:id="@+id/translate" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true"></Button></RelativeLayout>