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);
}
