带状态栏的Activity启动一个全屏幕 不带 状态栏的dialog 会出现状态栏从有到没 弹一下过程

    https://blog.csdn.net/xuwb123xuwb/article/details/89478093

    1.    继承Dialog
    4.    @Override
    5.     public void show() {
    6.         super.show();
    7.         /**
    8.          * 设置宽度全屏，要设置在show的后面
    9.          */
    10.         getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
    11.         WindowManager.LayoutParams layoutParams = getWindow().getAttributes();
    12.         layoutParams.gravity = Gravity.BOTTOM;
    13.         layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
    14.         layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
    15.         layoutParams.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
    16.         getWindow().getDecorView().setPadding(0, 0, 0, 0);
    18.         getWindow().setAttributes(layoutParams);
    19.     }