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Java ContentQueryMap类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中android.content.ContentQueryMap的典型用法代码示例。如果您正苦于以下问题:Java ContentQueryMap类的具体用法?Java ContentQueryMap怎么用?Java ContentQueryMap使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



ContentQueryMap类属于android.content包,在下文中一共展示了ContentQueryMap类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: loadInBackground

import android.content.ContentQueryMap; //导入依赖的package包/类
@Override
  public Cursor loadInBackground() {

      Cursor mediaCursor = getContext().getContentResolver().query(mUri, mProjection, mSelection,
              mSelectionArgs, mSortOrder);
      //Get cursor filled with Audio Id's
      String [] projection =  new String[] {
              BaseColumns._ID, AlbumColumns.ALBUM
      };
      Uri uri = Audio.Albums.EXTERNAL_CONTENT_URI;
      String sortOrder = Audio.Albums.DEFAULT_SORT_ORDER;
      Cursor albumCursor = getContext().getContentResolver().query(uri, projection, null, null, sortOrder);

      //Matrix cursor to hold final data to be returned to calling context
      MatrixCursor cursor = new MatrixCursor( new String[]
      		{ BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ARTIST, AudioColumns.ALBUM, AudioColumns.ALBUM_ID});
      //Map data from Audio Id cursor to the ALbumName Colum
      ContentQueryMap mQueryMap = new ContentQueryMap(albumCursor, AlbumColumns.ALBUM, false, null);

Map<String, ContentValues> data = mQueryMap.getRows();
      if (mediaCursor != null) {
          while(mediaCursor.moveToNext()) {
		String id = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(BaseColumns._ID));
		String title = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(MediaColumns.TITLE));
		String artist = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(AudioColumns.ARTIST));
		String album = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(AudioColumns.ALBUM));

		ContentValues tData = data.get(album);
		String albumid = (String) tData.get(BaseColumns._ID);
		cursor.addRow(new String[] {id, title, artist, album, albumid});
          }
          mediaCursor.close();
      }

      if (cursor != null) {
          // Ensure the cursor window is filled
          registerContentObserver(cursor, mObserver);
      }
      return cursor;
  }
 
开发者ID:hubcarl,项目名称:mobile-manager-tool,代码行数:41,代码来源:AddIdCursorLoader.java


示例2: loadInBackground

import android.content.ContentQueryMap; //导入依赖的package包/类
@Override
  public Cursor loadInBackground() {

      Cursor mediaCursor = getContext().getContentResolver().query(mUri, mProjection, mSelection,
              mSelectionArgs, mSortOrder);
      //Get cursor filled with Audio Id's
      String [] projection =  new String[] {
              BaseColumns._ID, AlbumColumns.ALBUM
      };        
      Uri uri = Audio.Albums.EXTERNAL_CONTENT_URI;
      String sortOrder = Audio.Albums.DEFAULT_SORT_ORDER;
      Cursor albumCursor = getContext().getContentResolver().query(uri, projection, null, null, sortOrder);
      
      //Matrix cursor to hold final data to be returned to calling context
      MatrixCursor cursor = new MatrixCursor( new String[]
      		{ BaseColumns._ID, MediaColumns.TITLE, AudioColumns.ARTIST, AudioColumns.ALBUM, AudioColumns.ALBUM_ID});
      //Map data from Audio Id cursor to the ALbumName Colum
      ContentQueryMap mQueryMap = new ContentQueryMap(albumCursor, AlbumColumns.ALBUM, false, null);

Map<String, ContentValues> data = mQueryMap.getRows();
      if (mediaCursor != null) {
          while(mediaCursor.moveToNext()) {
		String id = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(BaseColumns._ID));
		String title = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(MediaColumns.TITLE));
		String artist = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(AudioColumns.ARTIST));
		String album = mediaCursor.getString(mediaCursor.getColumnIndexOrThrow(AudioColumns.ALBUM));
			
		ContentValues tData = data.get(album);
		String albumid = (String) tData.get(BaseColumns._ID);
		cursor.addRow(new String[] {id, title, artist, album, albumid});
          }
          mediaCursor.close();
      }
      
      if (cursor != null) {
          // Ensure the cursor window is filled
          registerContentObserver(cursor, mObserver);
      }
      return cursor;
  }
 
开发者ID:cpoopc,项目名称:com.cp.monsterMod,代码行数:41,代码来源:AddIdCursorLoader.java



注:本文中的android.content.ContentQueryMap类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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