Custom FragmentDialog with round corners and not 100% screen width

Dialog background: dialog_rounded_bg.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@android:color/white" />
    <corners android:radius="12dp" />
</shape>

Dialog layout: dialog_rounded.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/dialog_rounded_bg"
    android:minWidth="260dp"
    android:orientation="vertical"
    android:padding="24dp">
    ...
</LinearLayout>

Dialog fragment: RoundedDialog.java

public class RoundedDialog extends DialogFragment {
    ...
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                            Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.dialog_rounded, container, false);
        // Set transparent background and no title
        if (getDialog() != null && getDialog().getWindow() != null) {
            getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
            getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
        }
        return view;
    }
    ...
}

Update: If you don’t set the flag Window.FEATURE_NO_TITLE, a blue line appears on top of the dialog in devices with Android ≤ 4.4.