Android 状态栏和虚拟按键 背景颜色

 /**
     * 透明不行,导航键 背景会变成默认的, fitSysWin 必须设置 false
     * @param mAc
     * @param color
     */
    public static void setStatusBarAndNaviColor(Activity mAc,int color){
        if (Build.VERSION.SDK_INT >= 21) {
            Window window = mAc.getWindow();
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.setStatusBarColor(color);

            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
            
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setNavigationBarColor(color);
        }
    }


    /**
     * 28 才有的新属性
     * @param mAc
     */
    public static void setDisplayCutoutCanUse(Activity mAc){
        WindowManager.LayoutParams lp = mAc.getWindow().getAttributes();
        lp.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
        mAc.getWindow().setAttributes(lp);
    }

    /**
     * 沉浸模式 ,会使 状态栏 和 导航栏 隐藏
     * @param mAc
     */
    public static void setImmersionMode(Activity mAc){
        int systemUiVisibility = mAc.getWindow().getDecorView().getSystemUiVisibility();
        int flag = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                ;
        systemUiVisibility |= flag;
        mAc.getWindow().getDecorView().setSystemUiVisibility(systemUiVisibility);
    }

    public static void setNoActionbar(Activity mAc){
        mAc.requestWindowFeature(Window.FEATURE_NO_TITLE);
    }