Animation--四个动画之模块化写到xml中，设置混合叠加功能，加速等

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animationAlpha.java中 //animationAlpha.java只是copy的名字，并不是只实现alpha功能

package com.example.animationAlpha;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.AnimationUtils;import android.view.animation.DecelerateInterpolator;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 animationAlpha extends Activity { /** Called when the activity is first created. */private ImageView imageView = null;private Button translateButtonId=null;private Button scaleButtonId=null;private Button alphaButtonId=null;private Button rotateButtonId=null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); imageView = (ImageView)findViewById(R.id.imageViewId); translateButtonId = (Button)findViewById(R.id.translateButtonId); translateButtonId.setOnClickListener(new translateOnClickListener()); scaleButtonId = (Button)findViewById(R.id.scaleButtonId); scaleButtonId.setOnClickListener(new scaleOnClickListener()); alphaButtonId = (Button)findViewById(R.id.alphaButtonId); alphaButtonId.setOnClickListener(new alphaOnClickListener()); rotateButtonId = (Button)findViewById(R.id.rotateButtonId); rotateButtonId.setOnClickListener(new rotateOnClickListener()); } class translateOnClickListener implements OnClickListener{@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stub//方法一：直接调用，模块化比较好//Animation animation = AnimationUtils.loadAnimation(animationAlpha.this, R.anim.translate);//imageView.startAniamtion(animationSet);//方法二，一个个声明AnimationSet animationSet = new AnimationSet(true);TranslateAnimation translateAnimation = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,2f,Animation.RELATIVE_TO_SELF,0f,Animation.RELATIVE_TO_SELF,2f);translateAnimation.setDuration(2000);//translateAnimation.setInterpolator(new DecelerateInterpolator());ScaleAnimation scaleAnimation = new ScaleAnimation(1,0f,1,0f, Animation.RELATIVE_TO_SELF,2f,Animation.RELATIVE_TO_SELF,2f);scaleAnimation.setDuration(2000);animationSet.addAnimation(translateAnimation);animationSet.addAnimation(scaleAnimation);imageView.startAnimation(animationSet);} } class scaleOnClickListener implements OnClickListener{@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubAnimation animation = AnimationUtils.loadAnimation(animationAlpha.this, R.anim.scale);imageView.startAnimation(animation);} } class alphaOnClickListener implements OnClickListener{@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubAnimation animation = AnimationUtils.loadAnimation(animationAlpha.this, R.anim.alpha);imageView.startAnimation(animation);} } class rotateOnClickListener implements OnClickListener{@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubAnimation animation = AnimationUtils.loadAnimation(animationAlpha.this, R.anim.rotate);imageView.startAnimation(animation);} }}

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_alignParentBottom="true" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="scale按钮" /><Button android:id="@+id/rotateButtonId" android:layout_above="@id/scaleButtonId" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="rotateButton按钮" /> <Button android:id="@+id/alphaButtonId" android:layout_above="@id/rotateButtonId" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="alpha按钮" /> <Button android:id="@+id/translateButtonId" android:layout_above="@id/alphaButtonId" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="translateButton按钮" /> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/imageViewId" android:layout_centerInParent="true" android:layout_marginTop="50dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/icon"/> </LinearLayout></RelativeLayout>

translate.xml

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/accelerate_interpolator" android:fillAfter="true" android:fillBefore="false" android:shareInterpolator="false"> <translate android:interpolator="@android:anim/accelerate_interpolator" android:fromXDelta="0%" android:toXDelta="200%" android:fromYDelta="0%" android:toYDelta="200%" android:duration="2000" /> <scale android:interpolator="@android:anim/decelerate_interpolator" android:fromXScale="1.0" android:toXScale="0.0" android:fromYScale="1.0" android:toYScale="0.0" android:pivotX="200%" android:pivotY="200%" android:duration="2000" /></set>

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>

alpha.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="+360" android:pivotX="50%p" android:pivotY="50%p" android:duration="2000"/></set>

rotate.xml