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[feat/#10] Implement WebViewScreen with MVI pattern to manage state
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92 changes: 92 additions & 0 deletions
92
feature/webview/src/main/java/com/nexters/misik/webview/WebViewScreen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package com.nexters.misik.webview | ||
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|
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| import android.webkit.WebChromeClient | ||
| import android.webkit.WebResourceError | ||
| import android.webkit.WebResourceRequest | ||
| import android.webkit.WebView | ||
| import android.webkit.WebViewClient | ||
| import androidx.compose.foundation.layout.Box | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.material3.CircularProgressIndicator | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.viewinterop.AndroidView | ||
| import androidx.hilt.navigation.compose.hiltViewModel | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import timber.log.Timber | ||
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| @Composable | ||
| fun WebViewScreen( | ||
| webAppInterface: WebInterface, | ||
| modifier: Modifier = Modifier, | ||
| viewModel: WebViewViewModel = hiltViewModel(), | ||
| ) { | ||
| val state by viewModel.state.collectAsStateWithLifecycle() | ||
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|
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| // 페이지 로딩 이벤트 발생 (WebView 로드 시작 시) | ||
| LaunchedEffect(Unit) { | ||
| viewModel.onEvent(WebViewEvent.LoadPage) | ||
| } | ||
|
|
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| Box(modifier = modifier.fillMaxSize()) { | ||
| // 로딩 상태 UI | ||
| if (state.isLoading) { | ||
| Timber.d("WebViewScreen_UiState", "Loading") | ||
| CircularProgressIndicator( | ||
| modifier = Modifier.align(Alignment.Center), | ||
| ) | ||
| } | ||
|
|
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| // 에러 상태 UI | ||
| state.error?.let { | ||
| Timber.d("WebViewScreen_UiState", "Error: $it") | ||
| Text( | ||
| text = "Error: $it", | ||
| color = Color.Red, | ||
| modifier = Modifier.align(Alignment.Center), | ||
| ) | ||
| } | ||
|
|
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| // 콘텐츠가 있을 경우, WebView를 보여줌 | ||
| if (!state.isLoading) { | ||
| Timber.d("WebViewScreen_UiState", "Loaded") | ||
| AndroidView( | ||
| modifier = Modifier.fillMaxSize(), | ||
| factory = { context -> | ||
| WebView(context).apply { | ||
| settings.javaScriptEnabled = true | ||
| webViewClient = WebViewClient() | ||
| webChromeClient = WebChromeClient() | ||
|
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| addJavascriptInterface(webAppInterface, "AndroidBridge") | ||
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| loadUrl("https://misik-web.vercel.app/") | ||
|
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| // 페이지 로딩 완료 후 이벤트 처리 | ||
| webViewClient = object : WebViewClient() { | ||
| override fun onPageFinished(view: WebView?, url: String?) { | ||
| super.onPageFinished(view, url) | ||
| viewModel.onEvent(WebViewEvent.PageLoaded) | ||
| } | ||
|
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||
| override fun onReceivedError( | ||
| view: WebView?, | ||
| request: WebResourceRequest?, | ||
| error: WebResourceError?, | ||
| ) { | ||
| super.onReceivedError(view, request, error) | ||
| // 오류 발생 시 이벤트 호출 | ||
| viewModel.onEvent(WebViewEvent.JsError("Error loading page: ${error?.description}")) | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
| } |
30 changes: 30 additions & 0 deletions
30
feature/webview/src/main/java/com/nexters/misik/webview/WebViewViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package com.nexters.misik.webview | ||
|
|
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| import androidx.lifecycle.ViewModel | ||
| import dagger.hilt.android.lifecycle.HiltViewModel | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.StateFlow | ||
| import javax.inject.Inject | ||
|
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||
| @HiltViewModel | ||
| class WebViewViewModel @Inject constructor() : ViewModel() { | ||
| private val _state = MutableStateFlow(WebViewState()) | ||
| val state: StateFlow<WebViewState> get() = _state | ||
|
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| fun onEvent(event: WebViewEvent) { | ||
| when (event) { | ||
| WebViewEvent.LoadPage -> { | ||
| _state.value = _state.value.copy(isLoading = true, error = null) | ||
| } | ||
| WebViewEvent.PageLoaded -> { | ||
| _state.value = _state.value.copy(isLoading = false, error = null) | ||
| } | ||
| is WebViewEvent.JsResponse -> { | ||
| _state.value = _state.value.copy(isLoading = false, content = event.response, error = null) | ||
| } | ||
| is WebViewEvent.JsError -> { | ||
| _state.value = _state.value.copy(isLoading = false, error = event.error) | ||
| } | ||
| } | ||
| } | ||
| } |