我试着写一个文件到SD卡,但我正在逐渐在logcat的错误:
9月1号至24号:03:33.647:W / System.err的(3353):java.io.FileNotFoundException:/mnt/sdcard/fun/itisfun.txt:打开失败: EACCES(权限被拒绝)
8月1日至24日:24:28.007:W / System.err的(3353):libcore.io.ErrnoException:产生的原因打开失败:EACCES(权限被拒绝)
九月1日至24日:03:33.756:W / System.err的(3353):在libcore.io.Posix.open(本机方法)
在这里,我的code写入到SD卡:
文件根= NULL;
尝试 {
//检查SD卡
根= Environment.getExternalStorageDirectory();
Log.i(TAG,路..+ root.getAbsolutePath());
//检查SD卡的权限
如果(root.canWrite()){
文件FILEDIR =新的文件(root.getAbsolutePath()+/乐/);
fileDir.mkdirs();
档案文件=新的文件(FILEDIR,itisfun.txt);
的FileWriter FileWriter的=新的FileWriter(文件);
BufferedWriter将出=新的BufferedWriter(的FileWriter);
out.write(我米享受......花花公子);
out.close();
}
} 抓住(...) {
...
}
清单:
<使用-权限的Android:名称=android.permission.WRITE_EXTERNAL_STORAGE/>
<允许机器人:名称=android.permission.INTERNET对>< /许可>
解决方案
有关写入SD卡,你需要给权限在manifest文件
<使用-权限的Android:名称=android.permission.WRITE_EXTERNAL_STORAGE/>
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)
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(...) {
...
}
Manifest :
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<permission android:name="android.permission.INTERNET"></permission>
解决方案
For writing to the Sdcard you need to give the permission in your manifest file
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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