ViewFlipper(图片翻转)用法

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布局代码:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              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>

页面代码:

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++) {// 添加图片源
            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);//设置自动播放
//        mViewFlipper.setFlipInterval(2000);//设置时间间隔

    }

    @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) {

    }

}