android Animation图片渐变动画 Demo

最终实现效果：

项目目录结构：

main.xml

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >        <ImageView         android:id="@+id/iv_animation_logo"        android:contentDescription="@string/animationContentDescription"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:src="@drawable/animation_logo"/></RelativeLayout>

AnimationDemoActivity.java

package com.royal.animationDemo;import android.app.Activity;import android.os.Bundle;import android.view.Window;import android.view.WindowManager;import android.view.animation.AlphaAnimation;import android.view.animation.Animation;import android.view.animation.Animation.AnimationListener;/** * 图片渐变动画 */public class AnimationDemoActivity extends Activity {public static final int ANIMATION_TIME = 5000;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);this.requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉界面任务条this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);setContentView(R.layout.main);//图片渐变模糊度始终AlphaAnimation aa = new AlphaAnimation(0.1f,1.0f);//渐变时间aa.setDuration(ANIMATION_TIME);//展示图片渐变动画this.findViewById(R.id.iv_animation_logo).startAnimation(aa);//渐变过程监听aa.setAnimationListener(new AnimationListener() {/** * 动画开始时 */@Overridepublic void onAnimationStart(Animation animation) {System.out.println("动画开始...");}/** * 重复动画时 */@Overridepublic void onAnimationRepeat(Animation animation) {System.out.println("动画重复...");}/** * 动画结束时 */@Overridepublic void onAnimationEnd(Animation animation) {System.out.println("动画结束...");}});}}

string.xml

<?xml version="1.0" encoding="utf-8"?><resources>    <string name="app_name">AnimationDemo</string>    <string name="animationContentDescription">渐变图片动画描述</string></resources>

打印结果：

更多相关文章

随机推荐