Android 获取所有文件的权限
时间: 2024-03-14 08:48:34 浏览: 15
要获取Android设备上所有文件的权限,您需要使用以下代码:
```
File root = new File("/");
File[] files = root.listFiles();
for (File file : files) {
if (file.isDirectory()) {
Log.d("Permissions", "Directory: " + file.getAbsolutePath());
if (file.canRead()) {
Log.d("Permissions", "Read: True");
} else {
Log.d("Permissions", "Read: False");
}
if (file.canWrite()) {
Log.d("Permissions", "Write: True");
} else {
Log.d("Permissions", "Write: False");
}
if (file.canExecute()) {
Log.d("Permissions", "Execute: True");
} else {
Log.d("Permissions", "Execute: False");
}
} else {
Log.d("Permissions", "File: " + file.getAbsolutePath());
if (file.canRead()) {
Log.d("Permissions", "Read: True");
} else {
Log.d("Permissions", "Read: False");
}
if (file.canWrite()) {
Log.d("Permissions", "Write: True");
} else {
Log.d("Permissions", "Write: False");
}
if (file.canExecute()) {
Log.d("Permissions", "Execute: True");
} else {
Log.d("Permissions", "Execute: False");
}
}
}
```
这段代码将获取根目录下的所有文件以及它们的权限,并将这些信息记录在Android系统日志中。请注意,访问某些文件可能需要特定的权限,因此您的应用程序可能需要在清单文件中请求这些权限。