时间:2021-01-22 12:26:12 | 栏目:Android代码 | 点击:次
本文实例为大家分享了android实现3D垂直翻转动画的具体代码,供大家参考,具体内容如下
需求
对ImageView进行类似于翻纸牌的动画
解决
各种Animator的组合
第一步动画:
动画代码文件1,card_flip_left_out.xml
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <!-- 先缩小 --> <objectAnimator android:duration="200" android:propertyName="scaleX" android:valueFrom="1.0" android:valueTo="0.8" /> <objectAnimator android:duration="200" android:propertyName="scaleY" android:valueFrom="1.0" android:valueTo="0.8" /> <!-- 再旋转 --> <objectAnimator android:duration="@integer/card_flip_time_full" android:interpolator="@android:interpolator/accelerate_decelerate" android:propertyName="rotationY" android:startOffset="200" android:valueFrom="0" android:valueTo="90" /> <!-- 同时透明度变化 --> <objectAnimator android:duration="@integer/card_flip_time_full" android:propertyName="alpha" android:startOffset="200" android:valueFrom="1.0" android:valueTo="0.0" /> </set>
第二步动画
动画文件2:card_flip_left_out
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <!-- 立即设置为透明 --> <objectAnimator android:duration="0" android:propertyName="alpha" android:valueFrom="1.0" android:valueTo="0.0" /> <!-- 旋转 --> <objectAnimator android:duration="@integer/card_flip_time_full" android:interpolator="@android:interpolator/accelerate_decelerate" android:propertyName="rotationY" android:valueFrom="-90" android:valueTo="0" /> <!-- 旋转一半的时间,逐渐显示 --> <objectAnimator android:duration="1" android:propertyName="alpha" android:startOffset="@integer/card_flip_time_half" android:valueFrom="0.0" android:valueTo="1.0" /> <!-- 最后放大 --> <objectAnimator android:duration="200" android:propertyName="scaleX" android:startOffset="@integer/card_flip_time_full" android:valueFrom="0.8" android:valueTo="1.0" /> <objectAnimator android:duration="200" android:propertyName="scaleY" android:startOffset="@integer/card_flip_time_full" android:valueFrom="0.8" android:valueTo="1.0" /> </set>
下面就是写java代码啦,在第一个动画结束的时候,换图。
package com.example.android.animationsdemo; import android.animation.Animator; import android.animation.AnimatorInflater; import android.animation.AnimatorListenerAdapter; import android.animation.AnimatorSet; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.ImageView; /** * @date 2015年3月18日 下午2:28:33 * @author Zheng Haibo * @Description: 图片的翻转动画 */ public class ImageFlipActivity extends Activity { private ImageView imageView; private int clickCount = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_image_flip); imageView = (ImageView) findViewById(R.id.iv_show); imageView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { playFlipAnimation2(); } }); } private void playFlipAnimation2() { clickCount++; AnimatorSet animatorSetOut = (AnimatorSet) AnimatorInflater .loadAnimator(this, R.animator.card_flip_left_out); final AnimatorSet animatorSetIn = (AnimatorSet) AnimatorInflater .loadAnimator(this, R.animator.card_flip_left_in); animatorSetOut.setTarget(imageView); animatorSetIn.setTarget(imageView); animatorSetOut.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) {// 翻转90度之后,换图 if (clickCount % 2 == 0) { imageView.setImageResource(R.drawable.image1); } else { imageView.setImageResource(R.drawable.image2); } animatorSetIn.start(); } }); animatorSetIn.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { // TODO } }); animatorSetOut.start(); } }