从数据库永久删除文件ios [英] delete files from database permanently ios

问题描述

我是制作录音机（m4a扩展文件）。我给给录音文件的输出一个特定的URL（在目录中）。
我能够播放它，保存文件在数据库中的路径，并可以稍后检索。事情正在进行。但我无法删除保存/未保存的文件。每次我录制一个音频，该文件正在占据一个永久的空间。无法删除它们。

I am Making an Audio recorder(m4a extension files). I am Giving a particular URL for the output of the recorded File(in directory). I am able to play it, save the path of the file in database and can retrieve it later. EVery thing is going Fine. BUT I am not able to delete the saved/unsaved files. Every time I record an audio , the file is taking a permanent space. Am not able to delete them.

我尝试过互联网（stackoverflow ofcourse）。我得到这样的链接： 我有视频网址，并希望使用此UR1从iPhone中删除

I tried it over internet(stackoverflow ofcourse). I got Links like this: I have video URL and want to delete it from the iPhone using this URl

strong> COCOA ERROR 4 时，我试图使用如下代码删除它们：[[NSFileManager defaultManager] removeItemAtPath：strPath错误：&错误];

But they are showing COCOA ERROR 4 when ever i try to delete them using codes like this: [[NSFileManager defaultManager] removeItemAtPath:strPath error:&error];

请建议，并回复

推荐答案

这是早期路径 无法写入文件

/ var / mobile / Applications / 8584F54E-75D2-4833-8826-29C125E53DBC / /291013193758w.png

今天早上，我再次运行我的代码。现在显示路径

This morning, I just run my code once again ,. now its showing path

/var/mobile/Applications/DDA14123-6A88-4756-B2E4-C4A3AA39AA5B/Documents/291013081335test.png

在此路径上能够写入我的文件

两个路径之间的差异是第一个是图书馆/文档，其中作为第二个文档

the Difference between two paths is that, first one is of Library/Documentation , where as second one is of Documents

知道差异，但它现在正在工作

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