StyledDialogFragment.java 文件源码

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState)
{
    // Idea from here
    // http://thanhcs.blogspot.ru/2014/10/android-custom-dialog-fragment.html

    Dialog dialog = new Dialog(mContext);

    Window window = dialog.getWindow();
    window.requestFeature(Window.FEATURE_NO_TITLE);
    window.setFlags(
            WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
    window.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));

    return dialog;
}