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How to create folder (Android R - Api 30)?

Stack Overflow Asked by Theo Jedi on January 1, 2021

Read that Android 11 has scoped storage, but I can’t find any information, how can I create and use folder in /storage/emulated/0/ ? Old methods works only on api 29 and below 🙁

3 Answers

On Android 11 the restrictions in Android 10 concerning access to external storage are much less.

Environment.getExternalStorageDirectory()

is readable again and

Environment.getExternalStoragePublicDirectory(...)

is writable for folders like Environment.DIRECTORY_DOCUMENTS and so on.

The Android OS is very picky using the right extensions for your files in most of those directories.

Correct answer by blackapps on January 1, 2021

Since Android Q we can create folders in app specif storage. its path:

Android->data->package name->files->your folder

Use this:

File file;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
    file = new File (this.getExternalFilesDir(null) + path);
} else {
    file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + path);
}

if (!file.exists()) {
    file.mkdirs();
}

Answered by dimvolk on January 1, 2021

Step 1:

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

Step 2:

Environment.getExternalStorageDirectory().absolutePath + "/your_folder_name"

Answered by Deep Rathod on January 1, 2021

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