junmo lee

<pre><code>private fun updateUI(){
    locationProvider = LocationProvider(this@MainActivity)

    var latitude : Double? = locationProvider.getLocationLatitude()
    var longitude : Double? = locationProvider.getLocationLongitude()

    if(latitude != null || longitude != null){
        //1. 현재 위치를 가져오고 UI를 Update
        val address = getCurrentAddress(latitude!!, longitude!!)
        address?.let{
            binding.tvLocationTittle.text = "${it.thoroughfare}"
            binding.tvLocationSubtittle.text = "${it.countryName} ${it.adminArea}"
        }

        //2. 미세먼지 농도 가져오고 UI를 Update
    }else {
        Toast.makeText(this,"위도, 경도 정보를 가져올 수 없습니다.",Toast.LENGTH_LONG).show()
    }
}

private fun getCurrentAddress(latitude : Double, longitude : Double) : Address?{
    val geocoder = Geocoder(this, Locale.KOREA)
    val addresses : List<Address>
     try {
         addresses = geocoder.getFromLocation(latitude, longitude, 7)!!
    }catch (ioException : IOException){
        Toast.makeText(this,"geocoder 서비스를 이용불가 합니다.",Toast.LENGTH_LONG).show()
        return null
    }catch (illegalArgumentException : java.lang.IllegalArgumentException){
        Toast.makeText(this,"잘못된 위도, 경도 입니다.",Toast.LENGTH_LONG).show()
        return null
    }

    if(addresses == null || addresses.size == 0){
        Toast.makeText(this,"주소를 찾을 수 없습니다.",Toast.LENGTH_LONG).show()
        return null
    }

    return addresses[0]
}</code></pre>

junmo lee

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