ViewFlipper（圖片翻轉）用法

布局代碼：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android&quot;
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:gravity="center"
              android:orientation="vertical">


<ViewFlipper
    android:id="@+id/vf_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"/>


</LinearLayout></pre> 


 頁面代碼： 

public class ViewAnimatorActivity extends Activity implements GestureDetector.OnGestureListener {
    private ViewFlipper mViewFlipper;
    private int[] images = {R.drawable.c0, R.drawable.c1, R.drawable.c2, R.drawable.c3, R.drawable.c4, R.drawable.c5};
    private GestureDetector mDetector;


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

    mDetector = new GestureDetector(this, this);

    mViewFlipper = (ViewFlipper)findViewById(R.id.vf_view);

    for (int i = 0; i < images.length; i++) {// 添加圖片源
        ImageView iv = new ImageView(this);
        iv.setImageResource(images[i]);
        iv.setScaleType(ImageView.ScaleType.FIT_XY);
        mViewFlipper.addView(iv, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
    }


//        mViewFlipper.setAutoStart(true);//設置自動播放
//        mViewFlipper.setFlipInterval(2000);//設置時間間隔

}

@Override
public boolean onTouchEvent(MotionEvent event) {
    return mDetector.onTouchEvent(event);
}

@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
    Animation rInAnim = AnimationUtils.loadAnimation(ViewAnimatorActivity.this, R.anim.anim_view);//效果一
    Animation rOutAnim = AnimationUtils.loadAnimation(ViewAnimatorActivity.this, R.anim.anim_view_out); //效果二
    if (e2.getY() > e1.getY()) {
        mViewFlipper.setInAnimation(rInAnim);
        mViewFlipper.setOutAnimation(rOutAnim);
        mViewFlipper.showNext();
    } else if (e2.getY() < e1.getY()) {
        mViewFlipper.setInAnimation(rOutAnim);
        mViewFlipper.setOutAnimation(rInAnim);
        mViewFlipper.showPrevious();
    }
    return false;
}

@Override
public boolean onDown(MotionEvent e) {
    return false;
}

@Override
public void onShowPress(MotionEvent e) {

}

@Override
public boolean onSingleTapUp(MotionEvent e) {
    return false;
}

@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
    return false;
}

@Override
public void onLongPress(MotionEvent e) {

}


}</pre>