firewall allow port ubuntu
sudo ufw allow 2222firewall allow port ubuntu
sudo ufw allow 2222storage permission android
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />check self permission android write_external_storage
private void checkDiskPermission ()
{
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "No Permissions" , Toast.LENGTH_LONG).show();
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 0);
}
else
{
Toast.makeText(this, "Has Permissions" , Toast.LENGTH_LONG).show();
}
}Copyright © 2021 Codeinu
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