对话框的大小不正确

Question

我正在尝试制作自定义对话框。这是代码 -

public static void dialogPinOptions(Context context, String pin) {

    con = context;
    dialog = new Dialog(context);
    dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);

    dialog.getWindow()
            .setLayout((int) (MainActivity.width * 0.75), (int) (MainActivity.height * 0.55));

    dialog.setContentView(R.layout.dialog_pin_new_user);

    dialog.show();

    /// rest of the code
}

我首先设置大小，然后设置内容以修复对话框的大小。

我使用以下内容来获取屏幕大小 -

// Getting dimensions of screen
if (Build.VERSION.SDK_INT == 11 || Build.VERSION.SDK_INT == 12) {

    Point size = new Point();
    try {
        this.getWindowManager().getDefaultDisplay().getSize(size);
        width = size.x;
        height = size.y;
        } catch (NoSuchMethodError e) {
        Log.i("error", "it can't work");
        }
} 
else {
        Display display = getWindowManager().getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        width = size.x;
        height = size.y;
    }

但是我的盒子大小不正确。 Here is a picture.

左侧的模拟器具有API 14，右侧是带有API 17的平板电脑的屏幕截图。