gallery 图片自动滑动

package com.demo.activity; import java.util.HashMap; import java.util.Map; import java.util.Timer; import java.util.TimerTask; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.view.Window; import android.widget.Gallery; /** * * @author cl * */ public class MainActivity extends Activity { private Gallery gallery; private FocusAdapter adapter; @Override public void onCreate(Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); setContentView(R.layout.main); gallery=(Gallery)findViewById(R.id.gallery); adapter=new FocusAdapter(this); Map<String,Object> map1=new HashMap<String,Object>(); map1.put("focusImage",R.drawable.focus_1); map1.put("intro", "这是内容简介1这是内容简介1这是内容简介1这是内容简介1这是内容简介1这是内容简介1"); Map<String,Object> map2=new HashMap<String,Object>(); map2.put("focusImage",R.drawable.focus_2); map2.put("intro", "这是内容简介2这是内容简介2这是内容简介2这是内容简介2这是内容简介2这是内容简介2"); Map<String,Object> map3=new HashMap<String,Object>(); map3.put("focusImage",R.drawable.focus_3); map3.put("intro", "这是内容简介3这是内容简介3这是内容简介3这是内容简介3这是内容简介3这是内容简介3"); Map<String,Object> map4=new HashMap<String,Object>(); map4.put("focusImage",R.drawable.focus_4); map4.put("intro", "这是内容简介4这是内容简介4这是内容简介4这是内容简介4这是内容简介4这是内容简介4"); Map<String,Object> map5=new HashMap<String,Object>(); map5.put("focusImage",R.drawable.focus_5); map5.put("intro", "这是内容简介5这是内容简介5这是内容简介5这是内容简介5这是内容简介5这是内容简介5"); adapter.addFocus(map1); adapter.addFocus(map2); adapter.addFocus(map3); adapter.addFocus(map4); adapter.addFocus(map5); gallery.setAdapter(adapter); final int count = 5;//滚动图片的总数 final Handler autoGalleryHandler = new Handler() { public void handleMessage(Message message) { super.handleMessage(message); switch (message.what) { case 1: gallery.setSelection(message.getData().getInt("pos")); break; } } }; Timer autoGallery = new Timer(); autoGallery.schedule(new TimerTask() { int gallerypisition = 0; @Override public void run() { if (gallerypisition < count - 1) { gallerypisition = gallerypisition + 1; } else { gallerypisition = 0; } Message msg = new Message(); Bundle date = new Bundle();// 存放数据 date.putInt("pos", gallerypisition); msg.setData(date); msg.what = 1;//消息标识 autoGalleryHandler.sendMessage(msg); } }, 5000, 5000);//5秒后，每隔5秒执行信息发送 } }