Android

    xiaoxiao2025-01-21  10

    XML文件:

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.android_viewflipper.MainActivity" > <ViewFlipper android:id="@+id/flipple" android:layout_width="wrap_content" android:layout_height="wrap_content" ></ViewFlipper> </RelativeLayout>

    MainActivity.java

    package com.example.android_viewflipper; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.widget.ImageView; import android.widget.ViewFlipper; public class MainActivity extends Activity { private ViewFlipper flipple; private float startx; private int[]resID={R.drawable.s1,R.drawable.s2,R.drawable.aa,R.drawable.zj}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); flipple = (ViewFlipper) findViewById(R.id.flipple); //动态导入的方式为ViewFlipper加入子View for(int i=0;i<resID.length;i++){ flipple.addView(getImageView(resID[i])); } /* * 支持图片自动轮播 * */ //设置视图切换时间间隔 //flipple.setFlipInterval(3000); //flipple.startFlipping(); } @Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub switch(event.getAction()){ //手指落下 case MotionEvent.ACTION_DOWN:{ startx = event.getX(); break; } case MotionEvent.ACTION_MOVE: { //向右滑动看前一页 if(event.getX()-startx>100){ flipple.showPrevious(); break; } //向左滑动看后一页 if(startx-event.getX()>100){ flipple.showNext(); break; } } //手指离开 case MotionEvent.ACTION_UP:{ break; } } return super.onTouchEvent(event); } private ImageView getImageView(int resID){ ImageView imageView = new ImageView(this); //imageView.setImageResource(resID); imageView.setBackgroundResource(resID);//铺满整个屏幕 return imageView; } }
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