Android开发之ViewFlipper自动播放图片功能实现方法示例

<?xml version="1.0" encoding="utf-8" ? 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:gravity="center_horizontal" 
    <!--定义一个ViewFlipper组件-- 
    <ViewFlipper
      android:id="@+id/details"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:flipInterval="1000" 
        <!--flipInterval:Simple ViewAnimator that will animate between two or more views
        that have been added to it. Only one child is shown at a time. If requested,
        can automatically flip between each child at a regular interval.-- 
        <ImageButton
          android:id="@+id/seaside"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:src="@drawable/a1"/ 
        <ImageButton
          android:id="@+id/mountain"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:src="@drawable/a2"/ 
        <ImageButton
          android:id="@+id/sky"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:src="@drawable/a3"/ 
    </ViewFlipper 
    <Button
      android:onClick="prev"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentBottom="true"
      android:layout_alignParentLeft="true"/ 
    <Button
      android:onClick="auto"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentBottom="true"
      android:layout_centerInParent="true"
      android:text="自动播放"/ 
    <Button
      android:onClick="next"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentBottom="true"
      android:layout_alignParentRight="true"/ 
</RelativeLayout 

public class MainActivity extends Activity {
  private ViewFlipper viewFlipper;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    viewFlipper = (ViewFlipper) findViewById(R.id.details);
  }
  public void prev(View source){
    viewFlipper.setInAnimation(this,android.R.anim.slide_in_left);
    viewFlipper.setOutAnimation(this,android.R.anim.slide_out_right);
    //显示下一个
    viewFlipper.showPrevious();
    //停止自动播放
    viewFlipper.stopFlipping();
  }
  public void next(View source){
    viewFlipper.setInAnimation(this,android.R.anim.slide_in_left);
    viewFlipper.setOutAnimation(this,android.R.anim.slide_out_right);
    //显示下一个
    viewFlipper.showNext();
    //停止自动播放
    viewFlipper.stopFlipping();
  }
  public void auto(View source){
    viewFlipper.setInAnimation(this,android.R.anim.slide_in_left);
    viewFlipper.setOutAnimation(this,android.R.anim.slide_out_right);
    //停止自动播放
    viewFlipper.startFlipping();
  }
}