Android内容提供商游标查询
我正在使用Android的内置内容提供商Android.Provider.MediaStore.Images.Media.EXTERNAL\u Content\u URI 现在我有Android内容提供商游标查询,android,mysql,android-contentprovider,android-cursor,Android,Mysql,Android Contentprovider,Android Cursor,我正在使用Android的内置内容提供商Android.Provider.MediaStore.Images.Media.EXTERNAL\u Content\u URI 现在我有 String[] sarray = {"a" , "b" , "c" , "d"};` String[] projection = {MediaStore.MediaColumns._ID , MediaStore.MediaColumns.DATA}; String selection = ?????? // M
String[] sarray = {"a" , "b" , "c" , "d"};`
String[] projection = {MediaStore.MediaColumns._ID , MediaStore.MediaColumns.DATA};
String selection = ?????? // My qestion
cursor = getContentResolver().query(uri, projection, null,
null , order);
那么,如何编写光标行,以便从MediaStore.MediaColumns.\u ID
column.尝试以下操作:
String[] sarray = {"a" , "b" , "c" , "d"};
String[] projection = {MediaStore.MediaColumns._ID , MediaStore.MediaColumns.DATA};
String selection =""+MediaStore.MediaColumns._ID+" !=? AND "+MediaStore.MediaColumns._ID+"" +
" !=? AND "+MediaStore.MediaColumns._ID+" !=? AND "+MediaStore.MediaColumns._ID+" !=?";
cursor = getContentResolver().query(uri, projection, selection,
sarray , order);
saray包含什么?图像名称?sarray包含图像Id,在这个问题中,我使用了a、b、c来简化