package com.iban.dao;import java.io.File;
import java.util.ArrayList;
import java.util.List;import com.iban.util.IbanConstant;import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore;
import android.provider.MediaStore.Images.Media;public class ImgDao {public  List<String> getAlbumName(Context context){List<String> list = new ArrayList<String>();//获取相册列表String[] columns = { Media.BUCKET_DISPLAY_NAME };  String groupby = " 1=1 ) group by ("+Media.BUCKET_DISPLAY_NAME;  Cursor cursor = context.getContentResolver().query(Media.EXTERNAL_CONTENT_URI, columns, groupby, null, null);  while (cursor.moveToNext())  {  String name = cursor.getString(cursor.getColumnIndexOrThrow(Media.BUCKET_DISPLAY_NAME));  System.out.println("name:"+name);list.add(name);}  cursor.close();return list;//发送一个广播更新媒体数据库信息  //sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory())))/**/}public void gets(Context context){String[] columns = { Media._ID,Media.DATA,Media.DISPLAY_NAME };  String where = Media.DATA + " like  \'/mnt/sdcard/iban/%\'";  // 得到游标  Cursor cursor = context.getContentResolver().query(Media.EXTERNAL_CONTENT_URI, columns, where, null, null);  while (cursor.moveToNext())   {  // 获得制定列的值  int id = cursor.getInt(cursor.getColumnIndexOrThrow(Media._ID)); String filePath = cursor.getString(cursor.getColumnIndexOrThrow(Media.DATA));  String name = cursor.getString(cursor.getColumnIndexOrThrow(Media.DISPLAY_NAME));System.out.println("name:"+name);}  cursor.close();}public void getImg(){/*Uri mUri = Uri.parse("content://media/external/images/media"); Uri mImageUri = null;Cursor cursor = managedQuery(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, null, null,null, MediaStore.Images.Media.DEFAULT_SORT_ORDER);cursor.moveToFirst();while (!cursor.isAfterLast()) {String data = cursor.getString(cursor.getColumnIndex(MediaStore.MediaColumns.DATA));if (picPath.equals(data)) {int ringtoneID = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID));mImageUri = Uri.withAppendedPath(mUri, ""+ ringtoneID);break;}cursor.moveToNext();}*/}public  void getImageContentUri(Context context) {Cursor cursor = null;String columns[] = new String[]{  Media.DATA,Media._ID,Media.TITLE,Media.DISPLAY_NAME };  //cursor = this.managedQuery(Media.EXTERNAL_CONTENT_URI, columns, null, null, null);  cursor = context.getContentResolver().query(Media.EXTERNAL_CONTENT_URI, columns, null, null, null);  int photoIndex = cursor.getColumnIndexOrThrow(Media.DATA);  //titleIndex = cursor.getColumnIndexOrThrow(Media.TITLE);  int nameIndex = cursor.getColumnIndexOrThrow(Media.DISPLAY_NAME);  String filse = cursor.getString(photoIndex);System.out.println("nameIndex:"+nameIndex+"  photoIndex"+photoIndex+"  filse:"+filse);//显示第一张图片，但是首先要判断一下，Cursor是否有值  }public void updateImg(){String path  = IbanConstant.DIR+"temp.jpg";File file = new File(path);if(file.exists()){file.delete();}}
}