Android中属性动画2----ObjectAnimator监听的使用
16lz
2021-01-26
代码:
package com.zhh.android;import android.animation.Animator;import android.animation.AnimatorListenerAdapter;import android.animation.ObjectAnimator;import android.app.Activity;import android.content.Intent;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.ImageView;import android.widget.Toast;/** * ObjectAnimator * 事件监听 */public class Main2Activity extends Activity { private ImageView imageView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main2); initView(); myOnclick(); } private void initView() { imageView = (ImageView)findViewById(R.id.imageView); setAnimate1(); } private void myOnclick() { imageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { startActivity(new Intent(Main2Activity.this,Main3Activity.class)); } }); } /** * 属性动画 * 动画监听 */ private void setAnimate1(){// 创建属性动画对象,并设置移动的方向和偏移量// rotation是imageView的旋转属性 ObjectAnimator objectAnimator = ObjectAnimator.ofFloat(imageView, "alpha", 0f, 1f);// 设置移动时间 objectAnimator.setDuration(1000);// 监听动画完成结束 objectAnimator.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { super.onAnimationEnd(animation); Toast.makeText(Main2Activity.this, "动画结束", Toast.LENGTH_SHORT).show(); } });// 监听动画// objectAnimator.addListener(new Animator.AnimatorListener() {// @Override// public void onAnimationStart(Animator animation) {//// }//// @Override// public void onAnimationEnd(Animator animation) { 监听动画完成之后,要执行的代码// Toast.makeText(Main2Activity.this, "动画执行完成", Toast.LENGTH_SHORT).show();// }//// @Override// public void onAnimationCancel(Animator animation) {//// }//// @Override// public void onAnimationRepeat(Animator animation) {//// }// });// 开始动画 objectAnimator.start(); }}
activity_main2.xml <?xml version="1.0" encoding="utf-8"?>
参考视频: http://www.imooc.com/learn/263
源码下载:
http://download.csdn.net/download/zhaihaohao1/10126123
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