<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" >    <alpha        android:duration="3000"        android:fromAlpha="0.1"        android:toAlpha="1.0" /></set>

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android">    <scale        android:fromXScale="0.0"        android:toXScale="1.0"        android:fromYScale="0.0"        android:toYScale="1.0"        android:pivotX="50%"        android:pivotY="50%"        android:fillAfter="false"        android:duration="2000"/></set>

<?xml version="1.0" encoding="utf-8"?><translate xmlns:android="http://schemas.android.com/apk/res/android">    <translate        android:fromXDelta="30"        android:toXDelta="100"        android:fromYDelta="30"        android:toYDelta="100"        android:duration="2000"/></translate>

<?xml version="1.0" encoding="utf-8"?><rotate xmlns:android="http://schemas.android.com/apk/res/android">    <rotate        android:fromDegrees="0"        android:toDegrees="+720"        android:pivotX="50%"        android:pivotY="50%"        android:duration="2000"/></rotate>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="20sp"        android:text="你是一坨屎!!" />    <ImageView        android:id="@+id/img"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBottom="@+id/textView1"        android:layout_centerHorizontal="true"        android:src="@drawable/aa20140903173350" />    <Button        android:id="@+id/button1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/textView1"        android:layout_below="@+id/textView1"        android:layout_marginTop="131dp"        android:text="渐变" />    <Button        android:id="@+id/button2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBaseline="@+id/button1"        android:layout_alignBottom="@+id/button1"        android:layout_toRightOf="@+id/button1"        android:text="收缩" />    <Button        android:id="@+id/button3"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBaseline="@+id/button2"        android:layout_alignBottom="@+id/button2"        android:layout_toRightOf="@+id/button2"        android:text="移动" />    <Button        android:id="@+id/button4"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBaseline="@+id/button3"        android:layout_alignBottom="@+id/button3"        android:layout_toRightOf="@+id/button3"        android:text="旋转" /></RelativeLayout>

package com.anim.anim;import android.os.Bundle;import android.app.Activity;import android.view.View;import android.view.View.OnClickListener;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.widget.ImageView;import android.widget.TextView;public class MainActivity extends Activity {    private TextView txt;    private ImageView img;    Animation animation;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        img=(ImageView) findViewById(R.id.img);        txt=(TextView) findViewById(R.id.textView1);        findViewById(R.id.button1).setOnClickListener(new OnClickListener() {                        @Override            public void onClick(View arg0) {                animation=AnimationUtils.loadAnimation(MainActivity.this,R.anim.alpha);                img.startAnimation(animation);                            }        });        findViewById(R.id.button2).setOnClickListener(new OnClickListener() {                        @Override            public void onClick(View arg0) {                animation=AnimationUtils.loadAnimation(MainActivity.this,R.anim.scale);                img.startAnimation(animation);                            }        });        findViewById(R.id.button3).setOnClickListener(new OnClickListener() {                        @Override            public void onClick(View arg0) {                animation=AnimationUtils.loadAnimation(MainActivity.this,R.anim.translate);                img.startAnimation(animation);                            }        });        findViewById(R.id.button4).setOnClickListener(new OnClickListener() {                        @Override            public void onClick(View arg0) {                animation=AnimationUtils.loadAnimation(MainActivity.this,R.anim.rotate);                img.startAnimation(animation);                            }        });    }}