java - 使用前台服务android studio中的全屏覆盖视图

Question

无法使我的覆盖屏幕全屏。请帮忙！这是我尝试过的，没有任何帮助我解决堆栈溢出问题。这是我在前台服务中制作全屏视图的代码。

private fun addFloatingWidgetView(inflater: LayoutInflater, displayMetrics: DisplayMetrics) {
   //    mFloatingWidgetView = inflater.inflate(R.layout.dialog_layout, null, false)
   //        (mFloatingWidgetView!!.findViewById<View>(R.id.root_container) as ViewGroup).layoutTransition
   //            .enableTransitionType(LayoutTransition.CHANGING)


   val params = WindowManager.LayoutParams(
       WindowManager.LayoutParams.MATCH_PARENT,
       WindowManager.LayoutParams.MATCH_PARENT,
       WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY,
       WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN,
       PixelFormat.TRANSLUCENT
    )


   params.gravity = Gravity.CENTER

   params.windowAnimations = android.R.style.Animation_Translucent
   mWindowManager!!.addView(mFloatingWidgetView, params)
}