旋转平移，缩放，透明度渐变的补间动画

anim_alpha.xml

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" >    <alpha        android:duration="2000"        android:fillAfter="true"        android:fromAlpha="1"        android:repeatCount="1"        android:repeatMode="reverse"        android:toAlpha="0" /></set>

anim_roate.xml

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" >    <rotate        android:duration="2000"        android:fromDegrees="0"        android:interpolator="@android:anim/accelerate_interpolator"        android:pivotX="50%"        android:pivotY="50%"        android:toDegrees="720" />    <rotate        android:duration="2000"        android:fromDegrees="360"        android:interpolator="@android:anim/accelerate_interpolator"        android:pivotX="50%"        android:pivotY="50%"        android:startOffset="2000"        android:toDegrees="0" /></set>

anim_scale.xml

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" >    <scale        android:duration="2000"        android:fillAfter="true"        android:fromXScale="1"        android:fromYScale="1"        android:interpolator="@android:anim/decelerate_interpolator"        android:pivotX="50%"        android:pivotY="50%"        android:repeatCount="1"        android:repeatMode="reverse"        android:toXScale="2.0"        android:toYScale="2.0" /></set>

anim_translate.xml

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" >    <translate        android:duration="2000"        android:fillAfter="true"        android:fromXDelta="0"        android:fromYDelta="0"        android:repeatCount="1"        android:repeatMode="reverse"        android:toXDelta="860"        android:toYDelta="0" /></set>

fragment_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/linearlayout1"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    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="com.xwy.Bu.MainActivity$PlaceholderFragment" >    <LinearLayout        android:id="@+id/linearLayout2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal" >        <Button            android:id="@+id/button1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="旋转" />        <Button            android:id="@+id/button2"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="平移" />        <Button            android:id="@+id/button3"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="缩放" />        <Button            android:id="@+id/button4"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="透明度渐变" />    </LinearLayout>    <ImageView        android:id="@+id/imageView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="50px"        android:src="@drawable/cat" /></LinearLayout>

MainActivity.java

package com.xwy.Bu;import android.support.v7.app.ActionBarActivity;import android.support.v7.app.ActionBar;import android.support.v4.app.Fragment;import android.app.Activity;import android.os.Bundle;import android.view.LayoutInflater;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.widget.Button;import android.widget.ImageView;import android.os.Build;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.fragment_main);final Animation roate = AnimationUtils.loadAnimation(this, R.anim.anim_rotate);//获取“旋转”动画资源final Animation translate=AnimationUtils.loadAnimation(this, R.anim.anim_translate);//获取“平移”动画资源final Animation scale=AnimationUtils.loadAnimation(this, R.anim.anim_scale);//获取“缩放”动画资源final Animation alpha=AnimationUtils.loadAnimation(this, R.anim.anim_alpha);//获取“透明度变化”动画资源final ImageView iv=(ImageView)findViewById(R.id.imageView1);//获取要应用动画效果的ImageViewButton button1=(Button)findViewById(R.id.button1);//获取“旋转”按钮button1.setOnClickListener(new OnClickListener() {public void onClick(View v) {iv.startAnimation(roate);//播放“旋转”动画}});Button button2=(Button)findViewById(R.id.button2);//获取“平移”按钮button2.setOnClickListener(new OnClickListener() {public void onClick(View v) {iv.startAnimation(translate);//播放“平移”动画}});Button button3=(Button)findViewById(R.id.button3);//获取“缩放”按钮button3.setOnClickListener(new OnClickListener() {public void onClick(View v) {iv.startAnimation(scale);//播放“缩放”动画}});Button button4=(Button)findViewById(R.id.button4);//获取“透明度渐变”按钮button4.setOnClickListener(new OnClickListener() {public void onClick(View v) {iv.startAnimation(alpha);//播放“透明度渐变”动画}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// Handle action bar item clicks here. The action bar will// automatically handle clicks on the Home/Up button, so long// as you specify a parent activity in AndroidManifest.xml.int id = item.getItemId();if (id == R.id.action_settings) {return true;}return super.onOptionsItemSelected(item);}/** * A placeholder fragment containing a simple view. */public static class PlaceholderFragment extends Fragment {public PlaceholderFragment() {}@Overridepublic View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {View rootView = inflater.inflate(R.layout.fragment_main, container,false);return rootView;}}}