docs : snackbar, rememberScaffoldState deprecated(material1) (#3)

[philipy355]

• 적용해야할 사항

  • material1을 기준으로 강의가 구성되어 있는데, material3부터 rememberScaffoldState deprecated되어
  • https://stackoverflow.com/questions/71363542/not-able-to-use-rememberscaffoldstate-in-android-compose-material3 참고

• 전체코드

  class MainActivity : ComponentActivity() {
  @OptIn(ExperimentalMaterial3Api::class, ExperimentalComposeUiApi::class)
  @SuppressLint("UnusedMaterial3ScaffoldPaddingParameter",
      "UnusedMaterialScaffoldPaddingParameter"
  )
  override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      setContent {
          val (text, setValue) = remember {
              mutableStateOf("")
          }
  
          val snackbarHostState = remember { SnackbarHostState() }
          val scope = rememberCoroutineScope()
          val keyboardControl = LocalSoftwareKeyboardController.current
  
          Scaffold(
              snackbarHost = { SnackbarHost(snackbarHostState) },
          ) {
              Column(
                  modifier = Modifier.fillMaxSize(),
                  verticalArrangement = Arrangement.Center,
                  horizontalAlignment = Alignment.CenterHorizontally
              ){
                  TextField(
                      value = text,
                      onValueChange = setValue,
                  )
                  Button(onClick = {
                      keyboardControl?.hide()
                      scope.launch {
                          snackbarHostState.showSnackbar("Hello $text")
                      }
                  }){
                      Text("클릭!!")
                  }
              }
          }
      }
  }
  }