java.io.IOException: open failed: EACCES (Permission denied)问题解决
来源:互联网 发布:汉诺塔步数 python 编辑:程序博客网 时间:2024/05/16 11:17
转载自:http://blog.csdn.net/shimly2010/article/details/38750445
在写文件到SD Card的时候遇到这个错误
- public File createSDFile(String fileName) throws IOException {
- File file = new File(SDPATH,fileName);
- Log.v("FileUtils",SDPATH+fileName);
- file.createNewFile();
- return file;
- }
网上找了很多都说是权限问题,但是manifest里有配置权限
- <uses-permission android:name="android.permission.INTERNET"/>
- <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
- <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
后面灵机一动想到会不会是没有SD卡呢,看AVD里模拟器设置,果然SD Card那里size没有值
设置好SD Card后再跑就没有问题了
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