ANDROID_MARS学习笔记_S02_007_Animation第一种使用方式：代码

一、简介

二、代码
1.xml
(1)activity_main.xml

 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical" android:layout_width="fill_parent"
     android:layout_height="fill_parent">

     <Button android:id="@+id/scaleButtonId" android:layout_width="fill_parent"
         android:layout_height="wrap_content" android:layout_alignParentBottom="true"
         android:text="测试scale动画效果" />

     <Button android:id="@+id/rotateButtonId" android:layout_width="fill_parent"
         android:layout_height="wrap_content" android:layout_above="@id/scaleButtonId"
         android:text="测试rotate动画效果" />

     <Button android:id="@+id/alphaButtonId" android:layout_width="fill_parent"
         android:layout_height="wrap_content" android:layout_above="@id/rotateButtonId"
         android:text="测试alpha动画效果" />

     <Button android:id="@+id/translateButtonId"
         android:layout_width="fill_parent" android:layout_height="wrap_content"
         android:layout_above="@id/alphaButtonId" android:text="测试translate动画效果" />

     <LinearLayout android:orientation="vertical"
         android:layout_width="fill_parent" android:layout_height="fill_parent">

         <ImageView android:id="@+id/imageViewId"
             android:layout_width="wrap_content" android:layout_height="100dp"
             android:layout_centerInParent="true" android:layout_marginTop="100dip"
             android:src="@drawable/android" />
     </LinearLayout>
 </RelativeLayout>

2.java
(1)MainActivity.java

 package com.animation1;

 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 MainActivity extends Activity {

     private ImageView imageView = null;
     private Button rotateButton, scaleButton, alphaButton, translateButton = null;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         imageView = (ImageView) findViewById(R.id.imageViewId);

         rotateButton = (Button) findViewById(R.id.rotateButtonId);
         scaleButton = (Button) findViewById(R.id.scaleButtonId);
         alphaButton = (Button) findViewById(R.id.alphaButtonId);
         translateButton = (Button) findViewById(R.id.translateButtonId);

         rotateButton.setOnClickListener(new RotateButtonListener());
         scaleButton.setOnClickListener(new ScaleButtonListener());
         alphaButton.setOnClickListener(new AlphaButtonListener());
         translateButton.setOnClickListener(new TranslateButtonListener());

     }

     private class RotateButtonListener implements OnClickListener {
         @Override
         public void onClick(View v) {
             AnimationSet animationSet = new AnimationSet(true);
             RotateAnimation rotateAnimation = new RotateAnimation(0, 360,
                     AnimationSet.RELATIVE_TO_PARENT, 1f,
                     Animation.RELATIVE_TO_PARENT, 0f);
             rotateAnimation.setDuration(5000);
             animationSet.addAnimation(rotateAnimation);
             imageView.startAnimation(animationSet);
         }
     }

     private class ScaleButtonListener implements OnClickListener {
         @Override
         public void onClick(View v) {
             AnimationSet 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.setStartOffset(1000);
             animationSet.setFillAfter(true);
             animationSet.setFillBefore(false);
             animationSet.setDuration(2000);
             imageView.startAnimation(animationSet);
         }
     }

     private class AlphaButtonListener implements OnClickListener {
         @Override
         public void onClick(View v) {
             AnimationSet animationSet = new AnimationSet(true);
             AlphaAnimation alphaAnimation = new AlphaAnimation(1, 0);
             alphaAnimation.setDuration(1000);
             animationSet.addAnimation(alphaAnimation);
             imageView.startAnimation(animationSet);
         }
     }

     private class TranslateButtonListener implements OnClickListener {
         @Override
         public void onClick(View v) {
             AnimationSet animationSet = new AnimationSet(true);
             TranslateAnimation translateAnimation = new TranslateAnimation(
                     Animation.RELATIVE_TO_SELF, 0f,
                     Animation.RELATIVE_TO_SELF, 0.5f,
                     Animation.RELATIVE_TO_SELF, 0f,
                     Animation.RELATIVE_TO_SELF, 1.0f);
             translateAnimation.setDuration(1000);
             animationSet.addAnimation(translateAnimation);
             imageView.startAnimation(translateAnimation);
         }
     }
 }