如何从内部存储删除文件夹中的android？ [英] how to delete folder from internal storage in android?

问题描述

如何删除文件夹（包含一些文件夹和文件）的内部存储。文件夹有以下一些树。

how to delete folder(contain some folder and file) from internal storage. Folder have some below tree.

folder
|_________  C2 (folder)
             |________1 (folder)
                      |________1.gif
                      |________2.gif
                      |________3.gif
                      |________4.gif
             |________2 (folder)
                      |________1.gif
                      |________2.gif
                      |________3.gif
                      |________4.gif
             |________3 (folder)
                      |________1.gif
                      |________2.gif
                      |________3.gif
                      |________4.gif
             |________4 (folder)
                      |________1.gif
                      |________2.gif
                      |________3.gif
                      |________4.gif
             |________5 (folder)
                      |________1.gif
                      |________2.gif
                      |________3.gif
                      |________4.gif

|_________  C2.xml (file)

我要删除的文件夹和包含的所有文件

i want to delete folder and containing all files

        fil.delete();

    System.out.println("boolean =>" + fil.delete());

但高于code显示错误，请帮助我，如果你已经在过去所做的这种工作。

but above code shows false so please help me if you have done this kind of job in past.

推荐答案

检查了这一点。

void DeleteRecursive(File fileOrDirectory) {

 if (fileOrDirectory.isDirectory())
    for (File child : fileOrDirectory.listFiles())
        DeleteRecursive(child);

    fileOrDirectory.delete();

    }

有关的解释<一个href="http://stackoverflow.com/questions/4943629/android-how-to-delete-a-whole-folder-and-content">Android - ？如何删除整个文件夹和内容

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