Java documentation forandroid.content.ContentResolver.QUERY_ARG_SQL_LIMIT. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
媒体文件加载似乎很简单,就调ContentResolver query一下的事,但要做到尽量完备,需要考虑的细节还是不少的。 MediaStore API 查询媒体数据库,需走ContentResolver的qurey方法: publicfinalCursor query( Uriuri, String[] projection, Stringselection, String[] selectionArgs, StringsortOrder, CancellationSignal cancellationSi...
A Bundle containing additional information necessary for the operation. Arguments may include SQL style arguments, such asContentResolver#QUERY_ARG_SQL_LIMIT, but note that the documentation for each individual provider will indicate which arguments they support. ...
Cursor query(String table, String[] columns, String selection, String[] selectionArgs, String grouBy, String having, String orderBy, String limit): limit参数用于控制查询数据的最多记录数。 query()查询得到的数据记录是封装在Cursor对象中的,Cursor对象类似于JDBC的ResultSet记录集,通过移动光标指向记录的方...
使用Content Resolver读写Content Provider中的数据 publicvoidaddNewHoardWithImage(String hoardName,floathoardValue,booleanhoardAccessible, Bitmap bitmap) {//Create a new row of values to insert.ContentValues newValues =newContentValues();//Assign values for each row.newValues.put(MyHoardContentProvider.KEY...
Cursor:游标---query查询,迭代输出查询结果. uri.parse():将字符串转换成uri---uriMatcher:匹配uri的工具类. 5.操作ContentProvider所暴露的数据: (1)由getContentProvider()方法来获取ContentResolver对象. (2)调用ContentResolver方法操作数据:insert,delete,update,query 6.监听ContentProvider数据改变:(Android提供的Co...
ContentResolver resolver = getContentResolver(); Uri uri = Uri.parse("content://com.bruce.contentprovider.demo/student"); //select * from student order by id desc limit 1 Cursor c = resolver.query(uri, null, null, null, " id desc limit 1"); ...
Arguments may include SQL style arguments, such as ContentResolver#QUERY_ARG_SQL_LIMIT, but note that the documentation for each individual provider will indicate which arguments they support. Returns Int32 the number of rows updated. Attributes RegisterAttribute Remarks Update row(s) in a ...
Arguments may include SQL style arguments, such as ContentResolver#QUERY_ARG_SQL_LIMIT, but note that the documentation for each individual provider will indicate which arguments they support. Returns Int32 the number of rows updated. Attributes RegisterAttribute Remarks Update row(s) in a ...
getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null); while (cursor.moveToNext()) { //新建一个联系人实例 MyLocalContact temp = new MyLocalContact(); String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID)); //获取联系人姓名...