Getcolumnindex 和 getcolumnindexorthrow 有何不同
WebMay 27, 2024 · 一、MediaStore简介MediaStore是android系统提供的一个多媒体数据库,专门用于存放多媒体信息的,通过ContentResolver即可对数据库进行操作。MediaStore.Files: 共享的文件,包括多媒体和非多媒体信息MediaStore.Audio: 存放音频信息MediaStore.Image: 存放图片信息MediaStore.Vedio: 存放视频信息每个内部类... WebJun 24, 2012 · Cursor c = db.query(SqlTables.TABLE_1.toString(), null...); final int indexId = c.getColumnIndexOrThrow( Table1Columns.ID.toString()); final int indexName = …
Getcolumnindex 和 getcolumnindexorthrow 有何不同
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WebJava Media.BUCKET_DISPLAY_NAME使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。. 您也可以进一步了解该属性所在 类android.provider.MediaStore.Images.Media 的用法示例。. 在下文中一共展示了 Media.BUCKET_DISPLAY_NAME属性 的7个代码示例,这些例子默认根据 ... WebReturns the value of the requested column as a String. The result and whether this method throws an exception when the column value is null or the column type is not a string type is implementation-defined.
WebJava Cursor.getColumnIndexOrThrow怎么用?. Java Cursor.getColumnIndexOrThrow使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。. 您也可以进 … WebJava Cursor.getColumnIndex使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。. 您也可以进一步了解该方法所在 类android.database.Cursor 的用法示例。. 在下文中一共展示了 Cursor.getColumnIndex方法 的15个代码示例,这些例子默认根据受欢 …
WebMar 3, 2024 · looks like MyDbNameClass.COLUMN_NAME_TITLE doesn't exist in your database, as getColumnIndex returned probably -1, as when it can't find desired column. check out DebugDB tool, inspect your database. btw. there should be CREATE TABLE IF NOT EXISTS for avoiding table creation try with every app enter. – snachmsm. WebJan 17, 2024 · null, null); column_index_data = cursor.getColumnIndexOrThrow(MediaColumns.DATA); column_index_folder_name = …
Webint columnIndex = cursor.getColumnIndexOrThrow(mediaStoreData); path = cursor.getString(columnIndex);} cursor.close(); File file = new File(path); if …
WebCursor.getColumnIndexOrThrow (Showing top 20 results out of 2,907) Refine search. Cursor.moveToFirst. Cursor.getString. Cursor.close. ... If you're not sure if a column will exist or not use #getColumnIndex(String) and check for -1, which is more efficient than catching the exceptions. Popular methods of Cursor. getString; close; moveToFirst; alejandro ullaWebSep 7, 2016 · Writing a fresh answer, since all you want is the folder names of the audio files. So the best thing to use here is MediaStore.Audio.Media instead of using MediaStore.File. Get the folder names using the below on the audio file path. new File (new File (audioCursor.getString (filedata)).getParent ()).getName () alejandro vega chilevisionWebOct 12, 2024 · The GetColumnIndex method retrieves the zero-based index of a column. Syntax HRESULT GetColumnIndex( [in] LONG fResultColumn, [in] const BSTR … alejandro uriarte attorneyWebJul 6, 2024 · cursor.getColumnIndex("columnName") 14.给定列名的从零开始的索引,如果该列不存在则抛出非法参数异常:int getColumnIndexOrThrow(String columnName) … alejandro zubimendi caviaWebJava DownloadManager.STATUS_FAILED使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。. 您也可以进一步了解该属性所在 类android.app.DownloadManager 的用法示例。. 在下文中一共展示了 DownloadManager.STATUS_FAILED属性 的15个代码示例,这些例子默认根据受 ... alejandro ulloa recitandoWebString selection = "_id = "+id; Uri uri = Uri.parse("content://sms"); Cursor cursor = contentResolver.query(uri, null, selection, null, null); String phone = cursor. getString … alejandro zentella dehesaWebJava Cursor.getColumnIndex使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。. 您也可以进一步了解该方法所在 类android.database.Cursor 的用法示 … alejar traduzione