VideoProvider.java

package com.jwzhangjie.videoplayer.videofile;

import java.util.ArrayList;
import java.util.List;

import com.jwzhangjie.videoplayer.util.AppLog;
import com.jwzhangjie.videoplayer.util.PinyinUtils;

import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

import android.content.Context;
import android.database.Cursor;
import android.provider.MediaStore;

public class VideoProvider implements AbstructProvider {
    private Context context;
    
    public VideoProvider(Context context) {
        this.context = context;
    }
    
    @Override
    public List<Video> getList() {
        List<Video> list = null;
        if (context != null) {
            Cursor cursor = context.getContentResolver().query(
                    MediaStore.Video.Media.EXTERNAL_CONTENT_URI, null, null,
                    null, null);
            if (cursor != null) {
                list = new ArrayList<Video>();
                while (cursor.moveToNext()) {
                    int id = cursor.getInt(cursor
                            .getColumnIndexOrThrow(MediaStore.Video.Media._ID));
                    String title = cursor
                            .getString(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.TITLE));
                    String album = cursor
                            .getString(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.ALBUM));
                    String artist = cursor
                            .getString(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.ARTIST));
                    String displayName = cursor
                            .getString(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME));
                    String mimeType = cursor
                            .getString(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE));
                    String path = cursor
                            .getString(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.DATA));
                    long duration = cursor
                            .getInt(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.DURATION));
                    long size = cursor
                            .getLong(cursor
                                    .getColumnIndexOrThrow(MediaStore.Video.Media.SIZE));
                    String title_key = "A";
                    if (title != null && title.length() > 0) {
                    	try {
							title_key = PinyinUtils.chineneToSpell(title.charAt(0) + "");
						} catch (BadHanyuPinyinOutputFormatCombination e) {
							e.printStackTrace();
						}
					}
                    AppLog.e("dd",title_key);
                    Video video = new Video(id, title, album, artist, displayName, mimeType, path, size, duration, title_key);
                    list.add(video);
                }
                cursor.close();
            }
        }
        return list;
    }

}