获得手机内的视频信息集合

package com.sms.read;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.widget.Toast;

import com.database.facade.VideoInfo;
/**
*
* @author timfeng
*
*/
public class VideoTest extends Activity{
public static List<VideoInfo> sysVideoList ;// 视频信息集合

Cursor cursor;
String TAG ="VideoTest";
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
sysVideoList = new ArrayList<VideoInfo>();
setVideoList();
//getId();
}

private void setVideoList() {
// MediaStore.Video.Thumbnails.DATA:视频缩略图的文件路径
String[] thumbColumns = { MediaStore.Video.Thumbnails.DATA,
MediaStore.Video.Thumbnails.VIDEO_ID };

// MediaStore.Video.Media.DATA：视频文件路径；
// MediaStore.Video.Media.DISPLAY_NAME : 视频文件名，如 testVideo.mp4
// MediaStore.Video.Media.TITLE: 视频标题 : testVideo
String[] mediaColumns = { MediaStore.Video.Media._ID,
MediaStore.Video.Media.DATA, MediaStore.Video.Media.TITLE,
MediaStore.Video.Media.MIME_TYPE,
MediaStore.Video.Media.DISPLAY_NAME };

cursor = managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
mediaColumns, null, null, null);

if(cursor==null){
Toast.makeText(this, "没有找到可播放视频文件", 1).show();
return;
}
if (cursor.moveToFirst()) {
do {
VideoInfo info = new VideoInfo();
int id = cursor.getInt(cursor
.getColumnIndex(MediaStore.Video.Media._ID));
Cursor thumbCursor = managedQuery(
MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI,
thumbColumns, MediaStore.Video.Thumbnails.VIDEO_ID
+ "=" + id, null, null);
if (thumbCursor.moveToFirst()) {
info.setThumbPath(thumbCursor.getString(thumbCursor
.getColumnIndex(MediaStore.Video.Thumbnails.DATA)));
}
info.setPath(cursor.getString(cursor
.getColumnIndexOrThrow(MediaStore.Video.Media.DATA)));
info.setTitle(cursor.getString(cursor
.getColumnIndexOrThrow(MediaStore.Video.Media.TITLE)));

info.setDisplayName(cursor.getString(cursor
.getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME)));
Log.i(TAG, "DisplayName:"+info.getDisplayName());
if(info.getDisplayName().equals("video.3gp")){
int i = cursor.getInt(0);
Log.i("id-->", i+"");
}
info.setMimeType(cursor
.getString(cursor
.getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE)));

sysVideoList.add(info);
} while (cursor.moveToNext());
}
}

}