ANDROID_MARS学习笔记_S02_008_ANIMATION第二种使用方式：xml

一、简介

　　

二、代码
1.res\anim下的xml
(1)alpha.xml.xml

 <?xml version="1.0" encoding="utf-8"?>

 <set xmlns:android="http://schemas.android.com/apk/res/android"

     android:interpolator="@android:anim/accelerate_interpolator">

     <alpha

         android:fromAlpha="1.0"

         android:toAlpha="0.0"

         android:startOffset="500"

         android:duration="1000"/>

 </set>

(2)rotate.xml

 <?xml version="1.0" encoding="utf-8"?>

 <set xmlns:android="http://schemas.android.com/apk/res/android"

     android:interpolator="@android:anim/accelerate_interpolator">

     <rotate

         android:fromDegrees="0"

         android:toDegrees="720"

         android:pivotX="50%"

         android:pivotY="100%"

         android:duration="3000"/>

 </set>

(3)scale.xml

 <?xml version="1.0" encoding="utf-8"?>

 <set xmlns:android="http://schemas.android.com/apk/res/android"

     android:interpolator="@android:anim/accelerate_interpolator">

     <scale

         android:fromXScale="1.0"

         android:toXScale="0.0"

         android:fromYScale="1.0"

         android:toYScale="0.0"

         android:pivotX="50%"

         android:pivotY="50%"

         android:duration="2000"/>

 </set>

(4)tranlate.xml

 <?xml version="1.0" encoding="utf-8"?>

 <set xmlns:android="http://schemas.android.com/apk/res/android"

     android:interpolator="@android:anim/accelerate_interpolator">

     <translate

         android:fromXDelta="50%"

         android:toXDelta="100%"

         android:fromYDelta="0%"

         android:toYDelta="100%"

         android:duration="2000"/>

 </set>

2.java
(1)MainActivity.java

 package com.animation2;

 import android.app.Activity;

 import android.os.Bundle;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.view.animation.Animation;

 import android.view.animation.AnimationUtils;

 import android.widget.Button;

 import android.widget.ImageView;

 public class MainActivity extends Activity {

     private ImageView imageView = null;

     private Button rotateButton = null;

     private Button scaleButton = null;

     private Button alphaButton = null;

     private Button 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);

         rotateButton.setOnClickListener(new RotateButtonListener());

         scaleButton = (Button) findViewById(R.id.scaleButtonId);

         scaleButton.setOnClickListener(new ScaleButtonListener());

         alphaButton = (Button) findViewById(R.id.alphaButtonId);

         alphaButton.setOnClickListener(new AlphaButtonListener());

         translateButton = (Button) findViewById(R.id.translateButtonId);

         translateButton.setOnClickListener(new TranslateButtonListener());

     }

     class TranslateButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.tranlate);

             imageView.startAnimation(animation);

         }

     }

     class AlphaButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.alpha);

             imageView.startAnimation(animation);

         }

     }

     class ScaleButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.scale);

             imageView.startAnimation(animation);

         }

     }

     class RotateButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.rotate);

             imageView.startAnimation(animation);

         }

     }

 }

ANDROID_MARS学习笔记_S02_008_ANIMATION第二种使用方式：xml的相关教程结束。