2023年7月7日发(作者：)

安卓视频播放器

该项目是自己学习阶段研发的，如果有什么不足之处，希望还能共同探，按钮和背景图片，还需要自己找，下面上代码

欢迎动画，文件

package ;

import ty;

import ;

import ;

import ;

import Manager;

public class WelcomeActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

te(savedInstanceState);

te(savedInstanceState);

requestWindowFeature(E_NO_TITLE);

dow().setFlags(_FULLSCREEN,

}

_FULLSCREEN);

setContentView(e);

new MyWelcome().start();

}

class MyWelcome extends Thread{

@Override

public void run() {

try {

sleep(3000);

Intent intent=new Intent(,);

startActivity(intent);

}

} catch (InterruptedException e) {

// TODO Auto-generated catch block

}

tackTrace();

}

@Override

protected void onStop() {

finish();

();

} 欢迎动画配置文件

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 ;

import iteSimpleCursorAdapter;

import iterSimAdapter;

import ivity;

import t;

import ;

import tFoundException;

import ;

import ;

import Manager;

import Adapter;

import CursorAdapter;

import t;

import hangeListener;

import c;

public class VideoPlayerActivity extends TabActivity {

/** Called when the activity is first created. */

static boolean flag;

@Override

public void onCreate(Bundle savedInstanceState) {

te(savedInstanceState);

requestWindowFeature(E_NO_TITLE);

dow().setFlags(_FULLSCREEN,

_FULLSCREEN);

setContentView();

try {

//获取ShareActivity上下文

t = createPackageContext("",

T_IGNORE_SECURITY);

= redPreferences("setupadapter",

_WORLD_READABLE);

= ();

} catch (NameNotFoundException e) { tackTrace();

}

if (ing("setupadapter", "off").equals("on")) {

flag = true;

}

if (ing("setupadapter", "off").equals("off")) {

flag = false;

}

=new Dbhelper(this, "/mnt/sdcard/", null, 1);

//设置为可读

// =dableDatabase();

TabHost tabHost = getTabHost();

//创建选项卡

TabSpec localVideo=Spec("localvideo");

TabSpec videoList=Spec("videoList");

//设置选项卡名称

icator("加载本地文件");

icator("播放列表");

abChangedListener(new OnTabChangeListener() {

@Override

public void onTabChanged(String tabId) {

// TODO Auto-generated method stub

}

});

Intent intentLocal = new Intent(getApplicationContext(),);

Intent intentList = new Intent(getApplicationContext(),);

tent(intentLocal);

tent(intentList);

// 添加选项卡

(localVideo);

(videoList);

//设置监听

abChangedListener(new OnTabChangeListener() {

@Override

public void onTabChanged(String tabId) {

// TODO Auto-generated method stub

boolean f = ("videoList");

boolean b = ("localvideo");

if (f) {

if (flag) { =dableDatabase();

String sql="select * from videoinfo";

=ry(sql, null);

r=new

OverwriteSimpleCursorAdapter(getApplicationContext(), , ,

new String[]{"path","videoname"},

new int[]{e,ame});

pter(r);

}if(!flag){

=dableDatabase();

String sql="select * from videoinfo";

=ry(sql, null);

SimpleCursorAdapter(getApplicationContext(), r=new

, ,

}

new String[]{"path","videoname"},

new int[]{e,ame});

pter(r);

}

if (b) {

if (flag) {

}

}

OverwriterSimAdapter adapter = new OverwriterSimAdapter(

getApplicationContext(), ems, st,

new String[] { "filename", "icon", "modify" }, new int[] {

_name, , _modify });

pter(adapter);

}if(!flag){

}

SimpleAdapter adapter = new SimpleAdapter(

getApplicationContext(), ems, st,

new String[] { "filename", "icon", "modify" }, new int[] {

_name, , _modify });

pter(adapter);

});

}

@Override

protected void onDestroy() {

// ();

// ();

roy();

} }

配置文件

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 ;

import ;

import ist;

import p;

import ;

import ;

import iterSimAdapter;

import ty;

import t;

import tFoundException;

import ;

import ;

import rView; import ClickListener;

import ;

import Layout;

import ew;

import Adapter;

import ew;

import ;

public class ShowList extends Activity {

private TextView filepath;

static ListView filesList;

private Button backButton;

LinearLayout localBack;

// 记录当前的父文件夹

File floderParent;

int i ;

// 记录当前路径下的所有文件夹的文件数组

File[] dirFiles;

static List> listItems ;

public void onCreate(Bundle savedInstanceState) {

te(savedInstanceState);

setContentView(st);

localBack = (LinearLayout)findViewById(ack);

kgroundResource(3);

=new Dbhelper(this, "/mnt/sdcard/", null, 1);

//设置为可读

=dableDatabase();

filesList = (ListView) ewById(ist);

filepath = (TextView) ewById(th);

backButton = (Button) ewById(tton);

=new Dbhelper(this, "/mnt/sdcard/", null, 1);

=dableDatabase();

try {

//获取ShareActivity上下文

= createPackageContext("",

//

//

t

T_IGNORE_SECURITY);

= redPreferences("setupadapter",

_WORLD_READABLE);

= ();

} catch (NameNotFoundException e) {

tackTrace();

}

//对背景进行判断

if (ing("picture", "卡通").equals("卡通")) {

kgroundResource();

}

if (ing("picture", "卡通").equals("风景")) {

kgroundResource(d2);

}

if (ing("picture", "卡通").equals("明星")) {

kgroundResource();

}

// 获取系统的SDCard的目录

File root = new File("/mnt/sdcard/");

// 如果SD卡存在的话

if (()) {

floderParent = root;

}

temClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView adapterView, View view,

int position, long id) {

// 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 = les();

// 使用当前目录下的全部文件、文件夹来填充ListView

inflateListView(dirFiles);

(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(ing(1))) {

xt(getApplicationContext(), "你妹啊，路径名相同了", 1000).show();

}else{*/

=dableDatabase();

String sqlSelect = "select * from videoinfo where path=?";

new = ry(sqlSelect,

String[]{dirFiles[position].getPath()});

if(!Next()){ // 放入数据库

String sql="insert into videoinfo values(null,?,?)";

L(sql,new

String[]{dirFiles[position].getPath(),dirFiles[position].getName()});

xt(getApplicationContext(), "文件加载成功",

1000).show();

1000).show();

}

}

}else{

}

xt(getApplicationContext(), "路径名相同了",

// }

return;

// 也可自定义扩展打开这个文件等

}

// 获取用户点击的文件夹 下的所有文件

File[] tem = dirFiles[position].listFiles();

if (tem == null || == 0) {

xt(,

"空文件夹", _LONG).show();

} else {

// 获取用户单击的列表项对应的文件夹，设为当前的父文件夹

}

floderParent = dirFiles[position];

// 保存当前的父文件夹内的全部文件和文件夹

dirFiles = tem;

// 再次更新ListView

inflateListView(dirFiles);

});

// 获取上一级目录

lickListener(new kListener() {

@Override

public void onClick(View v) {

try {

if (!onicalPath().equals("/mnt/sdcard")) {

// 获取上一级目录

floderParent = entFile();

// 列出当前目录下的所有文件

dirFiles = les();

// 再次更新ListView

}

/**

inflateListView(dirFiles);

}

} catch (Exception e) {

// TODO: handle exception

}

}

});

* 根据文件夹填充ListView

*

* @param files

*/

private void inflateListView(File[] files) {

listItems = new ArrayList>();

for (int i = 0; i < ; i++) {

Map listItem = new HashMap();

if (files[i].isDirectory()) {

// 如果是文件夹就显示的图片为文件夹的图片

("icon", );

}

if(files[i].isFile()){

//判断是否是视频

if(files[i].getPath().endsWith(".3gp")||files[i].getPath().endsWith(".mp4")||files[i].getPath().endsWith(".mp3")){

if(files[i].getPath().endsWith(".3gp")||files[i].getPath().endsWith(".mp4")){

}

if () {

("icon", files[i].getAbsolutePath());

}

("modify"

,size(files[i].length())+"");

("icon", );

("modify"

,size(files[i].length())+"");

}if (!) {

}

}

}else if(files[i].getPath().endsWith(".mp3")){

("icon", 3);

}else{

("icon", );

}

}

// 添加一个文件名称

("filename", files[i].getName());

(listItem);

// 判断是否使用缩略图

if () {

OverwriterSimAdapter adapter = new OverwriterSimAdapter(

}

, listItems, st,

new String[] { "filename", "icon", "modify" }, new int[] {

_name, , _modify });

pter(adapter);

if(!){

SimpleAdapter adapter = new SimpleAdapter(

}

try {

t("当前路径为:" + onicalPath());

//t("文件如下：");

} catch (Exception e) {

tackTrace();

}

, listItems, st,

new String[] { "filename", "icon", "modify" }, new int[] {

_name, , _modify });

pter(adapter);

public String size(long size){

long mysize;

}

if(size<1024*1024){

mysize = size/1024;

return mysize+"Kb";

}else{

mysize = size/(1024*1024);

}

return mysize+"Mb";

@Override

protected void onRestart() {

if (ing("picture", "卡通").equals("卡通")) {

kgroundResource();

}

}

@Override

protected void onDestroy() {

();

();

roy();

if (ing("picture", "卡通").equals("风景")) {

kgroundResource(d2);

}

if (ing("picture", "卡通").equals("明星")) {

kgroundResource();

}

art();

//

//

}

}

@Override

protected void onStop() {

();

}

配置文件

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical"

android:id="@+id/localback"

>

android:id="@+id/filepath"

android:layout_gravity="center_horizontal"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:textSize="20dip"

/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

>

android:layout_width="30dp"

android:layout_height="30dp"

android:background="@drawable/back"

android:paddingTop="20dip"

android:layout_gravity="center"

/>

android:layout_height="30dp"

android:text="返回上一级菜单"

android:gravity="center"/>

核心内容，MediaPlayer和SurfaceView实现比方视频，PlayVideo代码

package ;

import ption;

import ;

import ty;

import t;

import tFoundException;

import anager;

import layer;

import eringUpdateListener;

import letionListener;

import ;

import r;

import ureListener;

import y;

import Event;

import eHolder;

import eView;

import ;

import ; import Manager;

import kListener;

import hListener;

import utton;

import Layout;

import Params;

import indow;

import r;

import BarChangeListener;

import ew;

import ;

public class PlayVideo extends Activity implements

OnGestureListener,

OnClickListener,// 监听

OnBufferingUpdateListener,// 当网络缓冲数据流变OnCompletionListener,// 当媒体资源在播放的时aredListener,

ck// 回调函数

化的时候唤起的播放事件

候到达终点时唤起的播放事件

{

// 视频高和宽

int videoWidth;

int videoHeight;

// 按钮

ImageButton play;

//定义快进按钮

ImageButton fastPlay;

//定义快退按钮

ImageButton fastBack;

// 控制栏

LinearLayout layout_control;

LinearLayout layout_prograss;

LinearLayout videoBack;

// 用来播放媒体

MediaPlayer

// 显示媒体

SurfaceView

mediaPlayer;

surView;

// 用来控制SurfaceView

SurfaceHolder surHolder;

// 路径

String

// 是否是播放状态

path;

boolean boTing = true;

//获取播放的位置

int num;

//点击屏幕次数

int count;

//第一次点击

int firClick;

//第二次点击

int secClick;

//通过flag判断是否全屏

boolean flag;

//播放进度条

SeekBar seekbar;

//显示时间组建

TextView showTime;

//播放文件的时间

int minute;

int second;

//进度条进度

int progress;

//线程控制

MyThread mt;

//声音控制

SeekBar sound;

//声音进度

int soundId;

//显示音量

TextView showSound;

//接取拖动进度条

int videoLength;

boolean f = true;

//播放尺寸

//按钮隐藏时间

int hint = 5000;

//用于接取点击ListView位置

int position;

//声称随机数

Random random;

//通过buttonFlag判断按钮背景

boolean buttonFlag = true;

//显示视频总时间

TextView allTime;

TextView distant;

PopupWindow popuWindow;

View view;

boolean popFlag ;

public void onCreate(Bundle savedInstanceState) {

te(savedInstanceState);

requestWindowFeature(E_NO_TITLE);

dow().setFlags(_FULLSCREEN,

_FULLSCREEN);

setContentView();

// 产生对象

//得到布局的ID

videoBack = (LinearLayout)ewById(ack);

// 产生对象

play = (ImageButton) ewById(_bu_bofang);

layout_control = (LinearLayout)findViewById(_control);

layout_prograss= (LinearLayout)findViewById(_prograss);

seekbar = (SeekBar)ewById(r);

showTime = (TextView)ewById(me);

fastPlay = (ImageButton)ewById(ay);

fastBack = (ImageButton)ewById(ck);

sound = (SeekBar)ewById();

showSound = (TextView)ewById(und);

surView = (SurfaceView) findViewById(eview_1);

allTime = (TextView)ewById(e);

distant = (TextView)findViewById(t);

ght(0);

surHolder = der();

PopupWindow(view,

view = outInflater().inflate(ndow, null);

popuWindow = new

_PARENT,_CONTENT);

// 设置回调函数

lback(this);

// 设置风格

e(E_TYPE_PUSH_BUFFERS);

//bu_ibility(BLE);

// 设置按键监听

lickListener(this);

//快进监听

lickListener(this);

//快退按钮监听

lickListener(this);

//new随机数对象

random = new Random();

//接取到播放列表中点击的位置

position = on;

try {

//获取ShareActivity上下文

= createPackageContext("", t

T_IGNORE_SECURITY);

= redPreferences("setupadapter",

_WORLD_READABLE);

= ();

} catch (NameNotFoundException e) {

tackTrace();

}

//对读取的信息进行判断

if (ing("hinttime", "5秒").equals("5秒")) {

hint = 5000;

}

if (ing("hinttime", "5秒").equals("10秒")) {

hint = 10000;

}

if (ing("hinttime", "5秒").equals("15秒")) {

hint = 15000;

}

//设置全屏播放

ouchListener(new OnTouchListener() {

@Override

public boolean onTouch(View v, MotionEvent event) {

// TODO Auto-generated method stub

// ptyMessageAtTime(0x11, 3000);

if(_DOWN == ion()){

count++;

if(count == 1){

new countClear().start();

firClick = (int) tTimeMillis();

if (!popFlag) {

popuWindow = new PopupWindow(view,

// // //

_PARENT,_CONTENT);

Location(view, , 0, 0);

popFlag = true;

Messages(0x11);

ptyMessageDelayed(0x11, hint);

/*

//

}

//设置layout显示

if (!flag) {

layout_ibility(E);

layout_ibility(E);*/

//点击surfaceView延时3S发送信息

/* Messages(0x11);

ptyMessageDelayed(0x11, hint);*/

} //

} else if (count == 2){

secClick = (int) tTimeMillis();

if(secClick - firClick < 1000){

flag = !flag;

count = 0;

}

if(flag){

ght(0);

outParams(new

Params(_PARENT, _PARENT));

edSize(480, 760);

if (!popFlag) {

// popuWindow = new PopupWindow(view,

_PARENT,_CONTENT);

Location(view, , 0,

0);

popFlag = true;

Messages(0x11);

}

ptyMessageDelayed(0x11, hint);

// 开始播放

// ();

}else{

if (ing("size", "4:3").equals("4:3")) {

outParams(new

Params(_PARENT, 360));

edSize(480, 360);

ght(0);

if (!popFlag) {

// popuWindow = new PopupWindow(view,

_PARENT,_CONTENT);

Location(view, , 0, 0);

popFlag = true;

Messages(0x11);

ptyMessageDelayed(0x11, hint);

}

}

if (ing("size", "4:3").equals("16:9")) {

outParams(new

Params(_PARENT, 270));

edSize(480, 270);

ght(250);

if (!popFlag) {

new PopupWindow(view, // popuWindow =

_PARENT,_CONTENT);

Location(view,

, 0, 0);

popFlag = true;

Messages(0x11);

ptyMessageDelayed(0x11, hint);

}

}

}

count = 0;

firClick = 0;

secClick = 0;

}

}

return true;

}

});

//监听进度条进度

eekBarChangeListener(new OnSeekBarChangeListener() {

@Override

public void onStopTrackingTouch(SeekBar seekBar) {

videoLength = gress();

// int q = rentPosition();

(videoLength);

//获取进度条当前的位置

int dest = gress();

//

//设置播放器当期的播放位置

// (num);

}

}

@Override

public void onStartTrackingTouch(SeekBar seekBar) {

}

@Override

public void onProgressChanged(SeekBar seekBar, int progress,

boolean fromUser) {

//得到seekbar的进度

videoLength = gress();*/

/* gress(progress);

}

});

eekBarChangeListener(new OnSeekBarChangeListener() {

@Override

});

public void onStopTrackingTouch(SeekBar seekBar) {

// TODO Auto-generated method stub

int i= gress();

}

ume(i/100f,i/100f);

@Override

public void onStartTrackingTouch(SeekBar seekBar) {

// TODO Auto-generated method stub

}

@Override

public void onProgressChanged(SeekBar seekBar, int progress,

}

boolean fromUser) {

// TODO Auto-generated method stub

int i= gress();

t("音量："+i);

Messages(0x11);

ptyMessageDelayed(0x11, hint);

private void playVideo(){

// 构建MediaPlayer对象

mediaPlayer = new MediaPlayer();

try {

// 设置媒体文件路径

aSource();

// 设置通过SurfaceView来显示画面

play(surHolder);

// 准备

e();

ght(200);

// 设置事件监听

ufferingUpdateListener(this);

ompletionListener(this);

reparedListener(this);

ioStreamType(_MUSIC);

(ation());

//设置当前播放音量最大

soundId = gress();

ume(soundId, soundId);

t("音量："+soundId);

mt = new MyThread();

();

ptyMessage(0x13);

int n = ation();//获得持续时间

(n);

n = n/1000;

int m = n/60;

int h = m/60;

int s = n%60;

m = m%60;

t(("影片长度："+"%02d:%02d:%02d", h,m,s));

} catch (IllegalArgumentException e) {

tackTrace();

} catch (IllegalStateException e) {

tackTrace();

} catch (IOException e) {

}

tackTrace();

}

// aredListener

public void onCompletion(MediaPlayer mp) {

ptyMessage(0x14);

}

// aredListener

// 这时能确保player处于Prepared状态，触发start是最合适的

public void onPrepared(MediaPlayer mp) {

if (ing("size", "4:3").equals("4:3")) {

outParams(new

Params(_PARENT, 360));

// 设置播放视频的宽度和高度

}

if (ing("size", "4:3").equals("16:9")) {

// 设置播放视频的宽度和高度

outParams(new

edSize(480, 360);

// 开始播放

();

Params(_PARENT, 270));

edSize(480, 270);

}

}

// 开始播放

();

public void surfaceCreated(SurfaceHolder holder) {

playVideo();

}

public void surfaceChanged(SurfaceHolder holder, int format, int width,

int height) {

}

protected void onDestroy()

{

roy();

if (mediaPlayer != null)

{

}

e();

mediaPlayer = null;

//关闭cursor

();

//关闭数据库

();

//改变线程循环条件

f = false;

Messages(0x11);

s();

//

//

}

public void onClick(View v) {

if(v==play){

//如果正在播放

}

}

if (v == fastPlay) {

int i = rentPosition()+5000;

(i);

gress(i);

Messages(0x11);

ptyMessageDelayed(0x11, hint);

if (buttonFlag) {

geResource(_1);

}

();

buttonFlag = false;

geResource(_1);

();

buttonFlag = true;

}else{

Messages(0x11);

ptyMessageDelayed(0x11, hint);

}

if (v == fastBack) {

}

int i = rentPosition()-5000;

(i);

gress(i);

Messages(0x11);

ptyMessageDelayed(0x11, hint);

Handler handler = new Handler(){

public void handleMessage(e msg) {

if ( == 0x11) {

if(ing()&&f){

s();

}

popFlag = false;

/*

}

////启动后设置layout隐藏

layout_ibility(BLE);

layout_ibility(BLE);*/

if ( == 0x12) {

if(mediaPlayer!=null){

}

num = rentPosition();

gress(num);

为时 分 秒赋值

num = num/1000;

int minute = num/60;

int hour = minute/60;

int second = num%60;

minute = minute%60;

//

/* if (mediaPlayer!=null) {

gress(rentPosition());

}*/

t(("播放进度："+"%02d:%02d:%02d",

hour,minute,second));

// ptyMessage(0x12);

}

if ( == 0x14) {

if (ing("playstyle","顺序播放").equals("单曲循环")) {

//释放播放的视频

e();

//游标移动到点击ListView位置

Position(on);

//在数据库中取出ListView点击的路径

= ing(1);

//播放视频

playVideo();

//

}

if (ing("playstyle", "顺序播放").equals("顺序播放")) {

//释放当前的MediaPlayer

e();

//自加

position ++;

if (position==nt()) {

position = 0;

}

//游标向下移动

};

}

Position(position);

//取出移动后的视频路径

= ing(1);

//播放视频

playVideo();

}

if (ing("playstyle", "顺序播放").equals("随机播放")) {

}

//释放播放的视频

e();

int r = t(nt()-1);

Position(r);

//在数据库中取出ListView点击的路径

= ing(1);

//播放视频

playVideo();

};

class MyThread extends Thread{

}

@Override

public void run() {

ptyMessageDelayed(0x11, hint);

}

// if (ation()+"".equals("0") ) {

while (f) {

try {

sleep(1000);

ptyMessage(0x12);

}catch (InterruptedException e) {

// TODO Auto-generated catch block

tackTrace();

}

}

// }

class countClear extends Thread{

@Override

public void run() {

try {

sleep(1000);

}

//睡一秒后count清0

count = 0;

} catch (InterruptedException e) {

// TODO Auto-generated catch block

}

tackTrace();

}

@Override

public void surfaceDestroyed(SurfaceHolder holder) {

// TODO Auto-generated method stub

}

@Override

public void onBufferingUpdate(MediaPlayer mp, int percent) {

// TODO Auto-generated method stub

}

@Override

public boolean onDown(MotionEvent e) {

// TODO Auto-generated method stub

return false;

}

@Override

public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,

}

float velocityY) {

// TODO Auto-generated method stub

return false;

@Override

public void onLongPress(MotionEvent e) {

}

@Override

public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,

float distanceY) {

// TODO Auto-generated method stub

return false;

// TODO Auto-generated method stub

}

}

@Override

public void onShowPress(MotionEvent e) {

// TODO Auto-generated method stub

}

@Override

public boolean onSingleTapUp(MotionEvent e) {

// TODO Auto-generated method stub

}

return false;

配置文件

android:id="@+id/videoback"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

android:layout_width="match_parent"

android:layout_height="0px"

android:background="#00000000"

android:id="@+id/distant"/>

android:id="@+id/surfaceview_1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="300px"

android:layout_gravity="center_horizontal" />

SQLiteOpenHelper数据库文件Dbhelper，代码如下

package ;

import t;

import Database;

import Factory;

import OpenHelper;

public class Dbhelper extends SQLiteOpenHelper{

//创建数据库

private static final String CREATETABLE = "create table videoinfo"

+"(_id integer primary key autoincrement,path,videoname)";

}

/**

*

* @param context:上下文

* @param name ：数据库名称

* @param factory ：Cursor

* @param version ：数据库版本号，只能增长

*/

public Dbhelper(Context context, String name, CursorFactory factory,

}

/**

* 表的创建

*/

@Override

public void onCreate(SQLiteDatabase db) {

// TODO Auto-generated method stub

L(CREATETABLE);

int version) {

super(context, name, factory, version);

// TODO Auto-generated constructor stub

}

/**

* 更改表结构或增删表

*/

@Override

public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

}

// TODO Auto-generated method stub

if (newVersion>oldVersion) {

//删除已存在的表

}

String sql = "drop table if exsits videoinfo";

L("sql");

L(CREATETABLE);

用户设置界面，Choose代码如下

package ;

import ist;

import p; import ;

import ;

import ty;

import ialog;

import ;

import t;

import Interface;

import tFoundException;

import ;

import Inflater;

import ;

import rView;

import ClickListener;

import ew;

import utton;

import roup;

import Adapter;

import ;

public class Choose extends Activity {

//将定义的选项显示到ListView上

ListView choose;

String[] menu = {

"播放比例","播放模式","按钮隐藏","更换背景图片"

};

//定义容器

List> list=new ArrayList>();

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

te(savedInstanceState);

setContentView();

//得到listview

choose=(ListView)findViewById();

try {

//获取ShareActivity上下文

= createPackageContext("", t

T_IGNORE_SECURITY);

= redPreferences("setupadapter",

_WORLD_READABLE);

= ();

} catch (NameNotFoundException e) {

tackTrace();

}

for(int i=0;i<;i++){

//将数组信息添加到map

Map map=new HashMap();

}

("text", menu[i]);

(map);

//适配器

SimpleAdapter adapter=new SimpleAdapter(this,list,,new

pter(new

String[]{"text"},new int[]{});

//

ArrayAdapter(this,,,countries));

pter(adapter);

//为ListView设置监听

}

temClickListener(new OnItemClickListener() {

});

@Override

public void onItemClick(AdapterView arg0, View arg1,

int arg2, long arg3) {

// TODO Auto-generated method stub

}

//对用户点击的位置进行判断，并弹出对话框

if (arg2 == 0) {

showDialog(1);

}

if (arg2 == 1) {

}

showDialog(2);

if (arg2 == 2) {

showDialog(3);

}

if (arg2 == 3) {

}

showDialog(4);

@Override

public Dialog onCreateDialog(int id) {

//创建产生对话框的Builder的对象

r builder=new r(this);

LayoutInflater flater;

//播放比例

if(id==1){

flater = getLayoutInflater();

final View view = e(ze, null);

final RadioGroup biLi = (RadioGroup)ewById(ze);

le("请选择播放比例").setView(view)

.setPositiveButton("确定",new kListener() {

public void onClick(DialogInterface dialog, int which) {

//得到用户选择的内容

String

size=((RadioButton)ewById(ckedRadioButtonId())).getText().toString();

//给定键值

}

ing("size", size);

//提交

();

xt(getApplicationContext(), "设置成功", 1000).show();

}).setNeutralButton("取消", new kListener() {

public void onClick(DialogInterface dialog, int which) {

}

});

}

//播放模式选择

if(id==2){

flater = getLayoutInflater();

final View view = e(yle, null);

final RadioGroup biLi = (RadioGroup)ewById(yle);

le("请选择视频播放模式").setView(view)

.setPositiveButton("确定",new kListener() {

public void onClick(DialogInterface dialog, int which) {

//得到用户选择的内容

String

playstyle=((RadioButton)ewById(ckedRadioButtonId())).getText().toString();

ing("playstyle", playstyle);

//提交

();

xt(getApplicationContext(), "设置成功", 1000).show();

}

}).setNeutralButton("取消", new kListener() {

public void onClick(DialogInterface dialog, int which) {

}

});

}

//按钮隐藏时间设定

if(id==3){

flater = getLayoutInflater();

final View view = e(me, null);

final RadioGroup biLi = (RadioGroup)ewById(me);

le("请选择按钮隐藏时间").setView(view)

.setPositiveButton("确定",new kListener() {

public void onClick(DialogInterface dialog, int which) {

//得到选择的隐藏时间

String

hinttime=((RadioButton)ewById(ckedRadioButtonId())).getText().toString();

//存入文件

ing("hinttime", hinttime);

// 提交

();

xt(getApplicationContext(), "设置成功", 1000).show();

}

}).setNeutralButton("取消", new kListener() {

public void onClick(DialogInterface dialog, int which) {

}

});

}

//更换背景

if(id==4){

flater = getLayoutInflater();

final View view = e(picture, null);

final RadioGroup biLi = (RadioGroup)ewById(picture);

le("请选择背景图片").setView(view)

.setPositiveButton("确定",new kListener() {

public void onClick(DialogInterface dialog, int which) {

//得到用户选择图片的模式

String

picture=((RadioButton)ewById(ckedRadioButtonId())).getText().toString();

//写入文件

ing("picture", picture);

//提交

();

xt(getApplicationContext(), "设置成功", 1000).show();

}

}).setNeutralButton("取消", new kListener() {

public void onClick(DialogInterface dialog, int which) {

}

});

}

}

}

//通过create方法产生对话框

return ();

配置文件：

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

android:layout_height="wrap_content"

android:id="@+id/choose"

>

android:id="@+id/text"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textSize="20sp"

android:layout_marginLeft="30dp"

android:layout_marginTop="10dp"

android:textStyle="bold" />

设置界面的配置文件，更改背景图片

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

android:id="@+id/changepicture"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="vertical"

>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="卡通"

android:checked="true"

/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="风景"/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="明星"/>

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