public class MainActivity extends AppCompatActivity {    private ViewFlipper flipper;    //背景图片int[] id    private int[] resID = {R.drawable.pic1,R.drawable.pic2,R.drawable.pic3,R.drawable.pic4};    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        flipper = (ViewFlipper) findViewById(R.id.flipper);        //动态导入的方式为ViewFlipper加入子View        for(int i = 0; i < resID.length ; i++){            flipper.addView(getimageview(resID[i]));        }        //为ViewFlipper去添加动画效果        flipper.setInAnimation(this,R.anim.right_in);        flipper.setOutAnimation(this,R.anim.right_out);        //切换间隔时间        flipper.setFlipInterval(3000);        //开始播放        flipper.startFlipping();    }    private ImageView getimageview(int resID){        ImageView image = new ImageView(this);        image.setBackgroundResource(resID);        return image;    }

　　

手指滑动

public class MainActivity extends AppCompatActivity {    private ViewFlipper flipper;    //X横坐标    private float startX;    //背景图片int[] id    private int[] resID = {R.drawable.pic1,R.drawable.pic2,R.drawable.pic3,R.drawable.pic4};    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        flipper = (ViewFlipper) findViewById(R.id.flipper);        //动态导入的方式为ViewFlipper加入子View        for(int i = 0; i < resID.length ; i++){            flipper.addView(getimageview(resID[i]));        }    }    private ImageView getimageview(int resID){        ImageView image = new ImageView(this);        image.setBackgroundResource(resID);        return image;    }    //手指滑动    @Override    public boolean onTouchEvent(MotionEvent event) {       switch (event.getAction()){           case MotionEvent.ACTION_DOWN:{               startX = event.getX();               break;           }           case MotionEvent.ACTION_MOVE:{               //向右滑动               break;           }           case MotionEvent.ACTION_UP:{               if(event.getX() - startX  > 100){                   flipper.setInAnimation(this,R.anim.left_in);                   flipper.setOutAnimation(this, R.anim.left_out);                   flipper.showPrevious();                  //显示前一项               }               //向左滑动               if(startX - event.getX() > 100){                   flipper.setInAnimation(this,R.anim.right_in);                   flipper.setOutAnimation(this,R.anim.right_out);                   flipper.showNext();               }               break;           }       }        return super.onTouchEvent(event);    }