ForYouFragment 片段不更新

Question

您好，当应用程序启动时，我对我的 forYou 片段进行了权限检查，并且您授予权限，它会进行 api 调用并获取您当前位置的天气问题是我必须切换片段以获取呼叫并切换再次在reclyerview中显示它，问题是当我授予它不执行api的位置的权限时，我必须刷新片段

    fusedLocationClient.lastLocation.addOnSuccessListener(requireActivity()) { location ->
        if (location != null) {
            currentLocation = location
            val currentLatLng = LatLng(location.latitude, location.longitude)
            val currentAddress = getAddress(location.latitude, location.longitude)
            Log.d("TAG", "klagenfurt : ${currentAddress}")
            retrofitOneCallResponse(location.latitude, location.longitude, currentAddress)
            dataService.getFavorites(this)

        }


    }
    if (ActivityCompat.checkSelfPermission(
            requireContext(), android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED)
    {
        ActivityCompat.requestPermissions(
            requireActivity(),
            arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION),
            MapViewFragment.LOCATION_PERMISSION_REQUEST_CODE
        )

        return
    }

Answer 1

enter image description here 这里它说，你在 requestpermisson 行上编写没有 ActivityCompat 的代码，它也不起作用

Answer 2

创建一个这样的方法。

private fun getLocation(){
fusedLocationClient.lastLocation.addOnSuccessListener(requireActivity()) { location ->
        if (location != null) {
            currentLocation = location
            val currentLatLng = LatLng(location.latitude, location.longitude)
            val currentAddress = getAddress(location.latitude, location.longitude)
            Log.d("TAG", "klagenfurt : ${currentAddress}")
            retrofitOneCallResponse(location.latitude, location.longitude, currentAddress)
            dataService.getFavorites(this)
        }else{
         getLocation()
        }
    }
}

然后从这里

if (ActivityCompat.checkSelfPermission(
            requireContext(), android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED)
    {
        requestPermissions(
            arrayOf(android.Manifest.permission.ACCESS_FINE_LOCATION),
            MapViewFragment.LOCATION_PERMISSION_REQUEST_CODE
        )
    }else{
      getLocation()
}


override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray): Unit {
      if(requestCode==MapViewFragment.LOCATION_PERMISSION_REQUEST_CODE){
          if(grantResults[0]==PackageManager.PERMISSION_GRANTED){
              getLocation();
          }
      }
}

另外，覆盖片段中的onRequestPermissionsResult。并检查权限是否授予调用getLocation()。