简单监听事件
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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(); } } |
看一个简单的例子
这是xml
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<frameLayout xmlns:android="http://schemas.android.com/apk/res/android" 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></imageview></imageview></imageview></imageview></imageview></imageview></imageview></imageview> |
这是主程序
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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; } }}</imageview></imageview> |
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