Android doesn't create folder on my Nexus

Question

I have a Nexus 9 device. I would create a personal folder in the /sdcard/ path, something like this:

/sdcard/MyFolder/

so i coded this:

File directory = new File("/sdcard/MyFolder/");
    if(directory.mkdirs()){
        Toast.makeText(context, "Folder created", Toast.LENGTH_SHORT).show();
    }else{
        Toast.makeText(context, "Folder not created", Toast.LENGTH_SHORT).show();
    }

When I launch the app, it shows me "Folder not created" and so it doesn't create folder called MyFolder into /sdcard/ path. In Nexus 9 device the /storage/emulated/0path doesn't exist, so I have to use /sdcard/ path to accessing my storage.

I also used permission in my AndroidManifest.xml file, in this way:

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

Can you tell me please what's wrong? Thanks

In addition, since a Nexus 9 should be running Android 6.0+, if your `targetSdkVersion` is 23 or higher, you need to handle the permission at runtime: https://stackoverflow.com/questions/32635704/cant-get-the-permission — CommonsWare, Apr 08 '16 at 11:58

Niels Masdorp · Answer 1 · 2016-04-10T09:38:55.747

4

Since lots of devices have different file structures it is safer to use Environment.getExternalStorageDirectory() for determining the SD card path.

Can you try this code

File folder = new File(Environment.getExternalStorageDirectory() + "/MyFolder");
if (!folder.exists()) {
    folder.mkdir();
}

edited Apr 10 '16 at 09:38

answered Apr 08 '16 at 11:46

Niels Masdorp

2,534
2
18
31

just tried but still doesn't work..in my storage doesn't appear folder i would create – xXJohnRamboXx Apr 08 '16 at 13:06
nope it doesn't show me any errors. It seems works perfectly but doesn't create any folder. I think it's a nexus device problem – xXJohnRamboXx Apr 08 '16 at 13:15

score 0 · Answer 2 · answered Apr 08 '16 at 11:48

0

try to specify external storage as listed below:

File directory = new File(Environment.getExternalStorageDirectory().toString()+"/MyFolder");

answered Apr 08 '16 at 11:48

Matis11

155
2
7

Android doesn't create folder on my Nexus

2 Answers2