Caused by: android.system.ErrnoException: open failed: EACCES (Permission denied)
2016-08-09 16:09
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今天遇到一个项目中用到Android 6.0的系统,但是有个文件是从Assert目录下写到SDCard中,但是AndroidMinifest.xml中已经加了文件的读权限和写权限,异常日志是在创建文件的时候报错了。
在API23+以上
还要在Java代码中请求权限:
在API23+以上
1 <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> 2 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
还要在Java代码中请求权限:
1 // Storage Permissions 2 private static final int REQUEST_EXTERNAL_STORAGE = 1; 3 private static String[] PERMISSIONS_STORAGE = { 4 Manifest.permission.READ_EXTERNAL_STORAGE, 5 Manifest.permission.WRITE_EXTERNAL_STORAGE }; 6 7 /** 8 * Checks if the app has permission to write to device storage 9 * 10 * If the app does not has permission then the user will be prompted to 11 * grant permissions 12 * 13 * @param activity 14 */ 15 public static void verifyStoragePermissions(Activity activity) { 16 // Check if we have write permission 17 int permission = ActivityCompat.checkSelfPermission(activity, 18 Manifest.permission.WRITE_EXTERNAL_STORAGE); 19 20 if (permission != PackageManager.PERMISSION_GRANTED) { 21 // We don't have permission so prompt the user 22 ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE, 23 REQUEST_EXTERNAL_STORAGE); 24 } 25 }
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