安卓视频播放器完整项目Word文档格式.docx
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Intentintent=newIntent（WelcomeActivity.this,VideoPlayerActivity.class）;
startActivity（intent）;
}catch（InterruptedExceptione）{
//TODOAuto-generatedcatchblock
e.printStackTrace（）;
}
}
protectedvoidonStop（）{
finish（）;
super.onStop（）;
}
欢迎动画配置文件welcome.xml
<
?
xmlversion="
1.0"
encoding="
utf-8"
>
LinearLayoutxmlns:
android="
android:
layout_width="
fill_parent"
layout_height="
background="
@drawable/welcome"
orientation="
vertical"
>
/LinearLayout>
三秒后进行跳转，进入界面，利用TabHost，VideoPlayerActivity代码如下
import.adapter.OverwriteSimpleCursorAdapter;
import.adapter.OverwriterSimAdapter;
importandroid.app.TabActivity;
importandroid.content.Context;
importandroid.content.pm.PackageManager.NameNotFoundException;
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（"
"
off"
）.equals（"
on"
））{
flag=true;
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（）{
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
@Override
publicvoidonTabChanged（StringtabId）{
//TODOAuto-generatedmethodstub
booleanf=tabId.equals（"
booleanb=tabId.equals（"
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（）;
VideoList.adapter=newSimpleCursorAdapter（getApplicationContext（）,R.layout.show,VideoList.cursor,
if（b）{
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）;
SimpleAdapteradapter=newSimpleAdapter（
}）;
protectedvoidonDestroy（）{
//VideoList.db.close（）;
//VideoList.cursor.close（）;
super.onDestroy（）;
配置文件main.xml
TabHostxmlns:
id="
@android:
id/tabhost"
<
LinearLayout
padding="
5dp"
TabWidget
id/tabs"
wrap_content"
#00000000"
/>
FrameLayout
id/tabcontent"
/TabHost>
遍历内存卡ShowList代码
importjava.io.File;
importjava.util.ArrayList;
importjava.util.HashMap;
importjava.util.List;
importjava.util.Map;
importandroid.view.View;
importandroid.widget.AdapterView;
importandroid.widget.AdapterView.OnItemClickListener;
importandroid.widget.Button;
importandroid.widget.LinearLayout;
importandroid.widget.ListView;
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<
Map<
String,Object>
listItems;
super.onCreate（savedInstanceState）;
setContentView（R.layout.showlist）;
localBack=（LinearLayout）findViewById（R.id.localback）;
localBack.setBackgroundResource（R.drawable.bleach3）;
VideoList.helper=newDbhelper（this,"
//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）;
try{
//获取ShareActivity上下文
VideoList.context=createPackageContext（"
VideoList.share=VideoList.context.getSharedPreferences（"
VideoList.editor=VideoList.share.edit（）;
//对背景进行判断
if（VideoList.share.getString（"
picture"
卡通"
localBack.setBackgroundResource（R.drawable.haizei）;
风景"
localBack.setBackgroundResource（R.drawable.suround2）;
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（）{
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"
.rmvb"
/*if（currentFiles[position].getPath（）.equals（VideoList.cursor.getString
（1）））{
Toast.makeText（getApplicationContext（）,"
你妹啊，路径名相同了"
1000）.show（）;
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