Android对文件夹的读/写权限 [英] Android read/write permission of a folder

问题描述

我正在做一个新的Android应用程序.我想在sdcard中可用的"Android"文件夹中创建一个文件夹.在此之前，我想检查文件夹是否具有读/写权限.我该怎么办?谁能帮助我做到这一点.

I am doing a new android app. I want to create a folder in "Android" folder which is available in sdcard. Before that I want to check whether the folder has read/write permission. How can I get that? can anyone help me to do this.

推荐答案

您可以按照传统的Java方法进行操作. 创建一个文件对象，然后调用canWrite()和canRead().

You do it the old-school java way. Create a file object and call canWrite() and canRead().

File f = new File("path/to/dir/or/file");
if(f.canWrite()) {
    // hell yeah :)
}

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