android="
android:
layout_width="fill_parent"
android:
layout_height="fill_parent"
android:
background="@drawable/welcome"
android:
orientation="vertical">
三秒后进行跳转，进入界面，利用TabHost，VideoPlayerActivity代码如下
package.iotek;
import.adapter.OverwriteSimpleCursorAdapter;
import.adapter.OverwriterSimAdapter;
importandroid.app.TabActivity;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.content.pm.PackageManager.NameNotFoundException;
importandroid.os.Bundle;
importandroid.view.Window;
importandroid.view.WindowManager;
importandroid.widget.SimpleAdapter;
importandroid.widget.SimpleCursorAdapter;
importandroid.widget.TabHost;
importandroid.widget.TabHost.OnTabChangeListener;
importandroid.widget.TabHost.TabSpec;
publicclassVideoPlayerActivityextendsTabActivity{
/**Calledwhentheactivityisfirstcreated.*/
staticbooleanflag;
@Override
publicvoidonCreate（BundlesavedInstanceState）{
super.onCreate（savedInstanceState）;
requestWindowFeature（Window.FEATURE_NO_TITLE）;
this.getWindow（）.setFlags（WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN）;
setContentView（R.layout.main）;
try{
//获取ShareActivity上下文
VideoList.context=createPackageContext（".iotek",Context.CONTEXT_IGNORE_SECURITY）;
VideoList.share=VideoList.context.getSharedPreferences（"setupadapter",VideoList.context.MODE_WORLD_READABLE）;
VideoList.editor=VideoList.share.edit（）;
}catch（NameNotFoundExceptione）{
e.printStackTrace（）;
}
if（VideoList.share.getString（"setupadapter","off"）.equals（"on"））{
flag=true;
}
if（VideoList.share.getString（"setupadapter","off"）.equals（"off"））{
flag=false;
}
VideoList.helper=newDbhelper（this,"/mnt/sdcard/videoinfo.db",null,1）;
//设置为可读
//VideoList.db=VideoList.helper.getReadableDatabase（）;
TabHosttabHost=getTabHost（）;
//创建选项卡
TabSpeclocalVideo=tabHost.newTabSpec（"localvideo"）;
TabSpecvideoList=tabHost.newTabSpec（"videoList"）;
//设置选项卡名称
localVideo.setIndicator（"加载本地文件"）;
videoList.setIndicator（"播放列表"）;
tabHost.setOnTabChangedListener（newOnTabChangeListener（）{
@Override
publicvoidonTabChanged（StringtabId）{
//TODOAuto-generatedmethodstub
}
}）;
IntentintentLocal=newIntent（getApplicationContext（）,ShowList.class）;
IntentintentList=newIntent（getApplicationContext（）,VideoList.class）;
localVideo.setContent（intentLocal）;
videoList.setContent（intentList）;
//添加选项卡
tabHost.addTab（localVideo）;
tabHost.addTab（videoList）;
//设置监听
tabHost.setOnTabChangedListener（newOnTabChangeListener（）{
@Override
publicvoidonTabChanged（StringtabId）{
//TODOAuto-generatedmethodstub
booleanf=tabId.equals（"videoList"）;
booleanb=tabId.equals（"localvideo"）;
if（f）{
if（flag）{
VideoList.db=VideoList.helper.getReadableDatabase（）;
Stringsql="select*fromvideoinfo";
VideoList.cursor=VideoList.db.rawQuery（sql,null）;
VideoList.adapter=newOverwriteSimpleCursorAdapter（getApplicationContext（）,R.layout.show,VideoList.cursor,
newString[]{"path","videoname"},
newint[]{R.id.picture,R.id.videoname}）;
VideoList.videoList.setAdapter（VideoList.adapter）;
}if（!
flag）{
VideoList.db=VideoList.helper.getReadableDatabase（）;
Stringsql="select*fromvideoinfo";
VideoList.cursor=VideoList.db.rawQuery（sql,null）;
VideoList.adapter=newSimpleCursorAdapter（getApplicationContext（）,R.layout.show,VideoList.cursor,
newString[]{"path","videoname"},
newint[]{R.id.picture,R.id.videoname}）;
VideoList.videoList.setAdapter（VideoList.adapter）;
}
}
if（b）{
if（flag）{
OverwriterSimAdapteradapter=newOverwriterSimAdapter（
getApplicationContext（）,ShowList.listItems,R.layout.filelist,
newString[]{"filename","icon","modify"},newint[]{
R.id.file_name,R.id.icon,R.id.file_modify}）;
ShowList.filesList.setAdapter（adapter）;
}if（!
flag）{
SimpleAdapteradapter=newSimpleAdapter（
getApplicationContext（）,ShowList.listItems,R.layout.filelist,
newString[]{"filename","icon","modify"},newint[]{
R.id.file_name,R.id.icon,R.id.file_modify}）;
ShowList.filesList.setAdapter（adapter）;
}
}
}
}）;
}
@Override
protectedvoidonDestroy（）{
//VideoList.db.close（）;
//VideoList.cursor.close（）;
super.onDestroy（）;
}
}
配置文件main.xml
xmlversion="1.0"encoding="utf-8"?
>
android="
android:
id="@android:
id/tabhost"
android:
layout_width="fill_parent"
android:
layout_height="fill_parent">
android:
orientation="vertical"
android:
layout_width="fill_parent"
android:
layout_height="fill_parent"
android:
padding="5dp">
android:
id="@android:
id/tabs"
android:
layout_width="fill_parent"
android:
layout_height="wrap_content"
android:
background="#00000000"
/>
android:
id="@android:
id/tabcontent"
android:
layout_width="fill_parent"
android:
layout_height="fill_parent"
android:
padding="5dp"/>
遍历内存卡ShowList代码
package.iotek;
importjava.io.File;
importjava.util.ArrayList;
importjava.util.HashMap;
importjava.util.List;
importjava.util.Map;
import.adapter.OverwriterSimAdapter;
importandroid.app.Activity;
importandroid.content.Context;
importandroid.content.pm.PackageManager.NameNotFoundException;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.widget.AdapterView;
importandroid.widget.AdapterView.OnItemClickListener;
importandroid.widget.Button;
importandroid.widget.LinearLayout;
importandroid.widget.ListView;
importandroid.widget.SimpleAdapter;
importandroid.widget.TextView;
importandroid.widget.Toast;
publicclassShowListextendsActivity{
privateTextViewfilepath;
staticListViewfilesList;
privateButtonbackButton;
LinearLayoutlocalBack;
//记录当前的父文件夹
FilefloderParent;
inti;
//记录当前路径下的所有文件夹的文件数组
File[]dirFiles;
staticList>listItems;
publicvoidonCreate（BundlesavedInstanceState）{
super.onCreate（savedInstanceState）;
setContentView（R.layout.showlist）;
localBack=（LinearLayout）findViewById（R.id.localback）;
localBack.setBackgroundResource（R.drawable.bleach3）;
VideoList.helper=newDbhelper（this,"/mnt/sdcard/videoinfo.db",null,1）;
//设置为可读
//VideoList.db=VideoList.helper.getReadableDatabase（）;
filesList=（ListView）this.findViewById（R.id.filesList）;
filepath=（TextView）this.findViewById（R.id.filepath）;
backButton=（Button）this.findViewById（R.id.backButton）;
VideoList.helper=newDbhelper（this,"/mnt/sdcard/videoinfo.db",null,1）;
//VideoList.db=VideoList.helper.getReadableDatabase（）;
try{
//获取ShareActivity上下文
VideoList.context=createPackageContext（".iotek",Context.CONTEXT_IGNORE_SECURITY）;
VideoList.share=VideoList.context.getSharedPreferences（"setupadapter",VideoList.context.MODE_WORLD_READABLE）;
VideoList.editor=VideoList.share.edit（）;
}catch（NameNotFoundExceptione）{
e.printStackTrace（）;
}
//对背景进行判断
if（VideoList.share.getString（"picture","卡通"）.equals（"卡通"））{
localBack.setBackgroundResource（R.drawable.haizei）;
}
if（VideoList.share.getString（"picture","卡通"）.equals（"风景"））{
localBack.setBackgroundResource（R.drawable.suround2）;
}
if（VideoList.share.getString（"picture","卡通"）.equals（"明星"））{
localBack.setBackgroundResource（R.drawable.xuanya）;
}
//获取系统的SDCard的目录
Fileroot=newFile（"/mnt/sdcard/"）;
//如果SD卡存在的话
if（root.exists（））{
floderParent=root;
dirFiles=root.listFiles（）;
//使用当前目录下的全部文件、文件夹来填充ListView
inflateListView（dirFiles）;
}
filesList.setOnItemClickListener（newOnItemClickListener（）{
@Override
publicvoidonItemClick（AdapterView
>adapterView,Viewview,
intposition,longid）{
//如果用户单击了文件，直接返回，不做任何处理
if（dirFiles[position].isFile（））{
i=position;
if（dirFiles[position].getPath（）.endsWith（".3gp"）||dirFiles[position].getPath（）.endsWith（".mp4"）
||dirFiles[position].getPath（）.endsWith（".mp3"）||dirFiles[position].getPath（）.endsWith（".rmvb"））{
/*if（currentFiles[position].getPath（）.equals（VideoList.cursor.getString
（1）））{
Toast.makeText（getApplicationContext（）,"你妹啊，路径名相同了",1000）.show（）;
升级会员 