Android 属性动画监听事件与一个菜单的例子

package com.example.animation;

import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

}

public void click(View view){
Toast.makeText(this, "click", Toast.LENGTH_SHORT).show();
}

public void move(View view ){
ImageView imageView=(ImageView)findViewById(R.id.imageView);
ObjectAnimator animator=new ObjectAnimator().ofFloat(imageView, "translationX", 0f,200f);
animator.setDuration(1000);
/**
*添加所有监听事件
*/
//        animator.addListener(new AnimatorListener() {
//
//			@Override
//			public void onAnimationStart(Animator arg0) {
//			}
//
//			@Override
//			public void onAnimationRepeat(Animator arg0) {
//			}
//
//			@Override
//			public void onAnimationEnd(Animator arg0) {
//				Toast.makeText(MainActivity.this, "animator is end!",Toast.LENGTH_SHORT).show();
//			}
//
//			@Override
//			public void onAnimationCancel(Animator arg0) {
//			}
//		});

/**
* 按需添加
*/
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
super.onAnimationEnd(animation);
Toast.makeText(MainActivity.this, "animator is end!",Toast.LENGTH_SHORT).show();

}
});
animator.start();
}

}

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.animator.MainActivity" >

<ImageView
android:id="@+id/imageView2"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_b" />

<ImageView
android:id="@+id/imageView3"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_c" />

<ImageView
android:id="@+id/imageView4"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_d" />

<ImageView
android:id="@+id/imageView5"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_e" />

<ImageView
android:id="@+id/imageView6"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_f" />

<ImageView
android:id="@+id/imageView7"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_g" />

<ImageView
android:id="@+id/imageView8"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_h" />

<ImageView
android:id="@+id/imageView1"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/image_a" />

</FrameLayout>

package com.example.animator;

import java.util.ArrayList;
import java.util.List;

import android.animation.ObjectAnimator;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.BounceInterpolator;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

private int[] res = { R.id.imageView1, R.id.imageView2, R.id.imageView3,
R.id.imageView4, R.id.imageView5, R.id.imageView6, R.id.imageView7,
R.id.imageView8 };
private List<ImageView> imageViewList = new ArrayList<ImageView>();
private boolean isOpen = false;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

for (int i = 0; i < res.length; i++) {
ImageView imageView = (ImageView) findViewById(res[i]);
imageView.setOnClickListener(this);
imageViewList.add(imageView);
}
}

@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.imageView1:
if (!isOpen) {
startAnim();
} else {
closeAnim();
}
break;

default:
Toast.makeText(this, "you click item!", Toast.LENGTH_SHORT).show();
break;
}
}

private void startAnim() {
for (int i = 1; i < res.length; i++) {
ObjectAnimator animator = ObjectAnimator.ofFloat(
imageViewList.get(i), "translationY", 0f, i * 150);
animator.setDuration(500);
// 动画差值器， Interpolator
// 被用来修饰动画效果，定义动画的变化率，可以使存在的动画效果accelerated(加速)，decelerated(减速),repeated(重复),bounced(弹跳)等。
animator.setInterpolator(new BounceInterpolator());
animator.setStartDelay(i * 350);
animator.start();
isOpen = true;
}
}

private void closeAnim() {
for (int i = 1; i < res.length; i++) {
ObjectAnimator animator = ObjectAnimator.ofFloat(
imageViewList.get(i), "translationY", i * 150, 0f);
animator.setDuration(500);
animator.setInterpolator(new BounceInterpolator());
animator.setStartDelay(i * 350);
animator.start();
isOpen = false;
}
}

}