写入 sdCard 时权限被拒绝 [英] Permission denied when writing into sdCard
本文介绍了写入 sdCard 时权限被拒绝的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试将文件写入 SDCard,但在 logcat 中出现错误:
I'm trying write a file into SDCard, but I am getting error in logcat:
01-24 09:03:33.647: W/System.err(3353): java.io.FileNotFoundException: /mnt/sdcard/fun/itisfun.txt: open failed: EACCES (Permission denied)
01-24 08:24:28.007: W/System.err(3353): Caused by: libcore.io.ErrnoException: open failed: EACCES (Permission denied)
01-24 09:03:33.756: W/System.err(3353):at libcore.io.Posix.open(Native Method)
这里是我写入 SDCard 的代码:
And here my code to write into SDCard:
File root = null;
try {
// check for SDcard
root = Environment.getExternalStorageDirectory();
Log.i(TAG,"path.." +root.getAbsolutePath());
//check sdcard permission
if (root.canWrite()){
File fileDir = new File(root.getAbsolutePath()+"/fun/");
fileDir.mkdirs();
File file = new File(fileDir, "itisfun.txt");
FileWriter filewriter = new FileWriter(file);
BufferedWriter out = new BufferedWriter(filewriter);
out.write("I m enjoying......dude");
out.close();
}
} catch(...) {
...
}
清单:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<permission android:name="android.permission.INTERNET"></permission>
推荐答案
要写入 Sdcard,您需要在清单文件中授予权限
For writing to the Sdcard you need to give the permission in your manifest file
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
这篇关于写入 sdCard 时权限被拒绝的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文