Как решить «Фатальный сигнал 11 (sigsegv), код 1 (segv_maperr), ошибка ошибки 0x20 в Tid 19443 (renderthread)» в Android ⇐ Android

[Anonymous]

Всякий раз, когда я пытаюсь вернуться на перемещение с приведенного ниже экрана, я получаю сбой. < /p>
@OptIn(
ExperimentalFoundationApi::class,
ExperimentalMaterial3Api::class
)
@Composable
fun MailRoomScreen(
navController: NavHostController,
mailroomViewModel: MailroomViewModel = hiltViewModel()
) {
val context = LocalContext.current
val appNavigationActions = AppNavigationActions(navController)
val webView = remember { WebView(context) }
val tabs by mailroomViewModel.tabs.collectAsState()
val pagerState = rememberPagerState(
initialPage = 0,
initialPageOffsetFraction = 0f,
pageCount = {
tabs.size
}
)

val scope = rememberCoroutineScope()

LaunchedEffect(tabs) {
if (pagerState.currentPage !in tabs.indices) {
pagerState.scrollToPage(0)
}
}

LaunchedEffect(Unit) {
mailroomViewModel.getTabs()
}

Scaffold(
topBar = {
TopAppBar(
title = {
Text(
text = "Mailroom"
)
},
navigationIcon = {
IconButton(
onClick = {
webView.destroy()
navController.popBackStack()
}
) {
Icon(
Icons.Filled.ArrowBack,
contentDescription = "Back"
)
}
},
actions = {
Icon(
Icons.Rounded.AddAlert,
contentDescription = "Notify",
modifier = Modifier.size(30.dp)
)

},
colors = TopAppBarDefaults.topAppBarColors(
containerColor = materialColor,
titleContentColor = Color.White,
navigationIconContentColor = Color.White,
actionIconContentColor = Color.White
)
)
},
floatingActionButton = {
if (tabs.isNotEmpty()) {
// Add a floating action button on both the tabs
when (pagerState.currentPage) {
0 -> {
FloatingActionButton(
onClick = {
val jsonObject1 = JsonObject()
jsonObject1.addProperty("formId", "in")
val jsonString = jsonObject1.toString()
navController.navigate(
Destinations.MAILROOM_FORM_ROUTE.replace(
oldValue = "{jsonString}",
newValue = URLEncoder.encode(jsonString, "utf-8")
)
) {
popUpTo(Destinations.MAILROOM_FORM_ROUTE) {
inclusive = true
}
}
},
containerColor = Color(0xFF006164),
contentColor = Color.White
) {
Icon(
Icons.Filled.Add,
contentDescription = "Add"
)
}
}

1 -> {
FloatingActionButton(
onClick = {
val jsonObject = JsonObject()
jsonObject.addProperty("formId", "out")
val jsonString = jsonObject.toString()
navController.navigate(
Destinations.MAILROOM_FORM_ROUTE.replace(
oldValue = "{jsonString}",
newValue = URLEncoder.encode(jsonString, "utf-8")
)
) {
popUpTo(Destinations.MAILROOM_FORM_ROUTE) {
inclusive = true
}
}
},
containerColor = Color(0xFF006164),
contentColor = Color.White
) {
Icon(
Icons.Filled.Add,
contentDescription = "Add"
)
}
}
}
}
}
) { paddingValues ->
Column {
// TabRow below the TopAppBar
if (tabs.isNotEmpty() && pagerState.currentPage in tabs.indices) {
TabRow(
selectedTabIndex = pagerState.currentPage,
containerColor = materialColor,
contentColor = Color.White,
modifier = Modifier.padding(paddingValues),
indicator = { tabPositions ->
if (pagerState.currentPage in tabPositions.indices) {
SecondaryIndicator(
Modifier
.padding(
start = 10.dp,
end = 10.dp
)
.tabIndicatorOffset(tabPositions[pagerState.currentPage]),
height = 4.dp,
color = Color.White
)
}
}
) {
tabs.forEachIndexed { index, title ->
Tab(
selected = pagerState.currentPage == index,
onClick = {
scope.launch {
pagerState.animateScrollToPage(index)
}
},
text = {
Text(
text = title,
style = MaterialTheme.typography.bodyMedium
)
},
selectedContentColor = Color.White,
unselectedContentColor = Color.White,
)
}
}

HorizontalPager(
state = pagerState,
modifier = Modifier.fillMaxSize()
) {
Box(
modifier = Modifier.fillMaxSize(),
contentAlignment = Alignment.Center
) {
when (it) {
0 -> {
MailRoomInScreen(
webView = webView,
mailRoomViewModel = mailroomViewModel,
navController = navController
)
//Text(text = "In")
}
1 -> Text(text = "Out")
}
}
}
} else {
// Handle the empty state or invalid pager state
Box(
modifier = Modifier.fillMaxSize(),
contentAlignment = Alignment.Center
) {
Text(text = "No tabs available")
}
}
}
}
}
< /code>
@Composable
fun MailRoomInScreen(
webView: WebView,
mailRoomViewModel: MailroomViewModel,
navController: NavHostController
) {
val context = LocalContext.current
val mailRoomLogs by mailRoomViewModel.mailRoomLogs.collectAsState()
val type = "inTab"

val appNavigationActions = AppNavigationActions(navController)

// Initialize the WebView
val webView = remember {
WebView(context).apply {
settings.javaScriptEnabled = true
settings.domStorageEnabled = true
addJavascriptInterface(
MailRoomListInterface(navController, mailRoomViewModel, this, context),
"Android"
)
webViewClient = object : WebViewClient() {
override fun onPageFinished(view: WebView?, url: String?) {
super.onPageFinished(view, url)
val jsonData = convertToJson(mailRoomLogs, type)
view?.evaluateJavascript("showList($jsonData)") { result ->
Log.d("Result", result)
}
}
}
loadUrl(BaseUrls.ListUrl)
}
}

// Dispose of the WebView when the composable is removed from the composition
DisposableEffect(Unit) {
onDispose {
webView.loadData("", "text/html", "base64")
webView.destroy()
}
}

// Load mail room logs when the composable is first composed
LaunchedEffect(Unit) {
mailRoomViewModel.getMailRoomLogs()
}

// Display the WebView
AndroidView(
factory = { webView },
modifier = Modifier.fillMaxSize()
)
}
< /code>
But if I replace the tab screen with a simple Text composable, the issue disappears. When I checked documentation, it led me to Android Native Crash, but I am still not able to solve the issue.
I wanted to navigate back from the current screen, but while doing so, it is resulting in a crash.

Подробнее здесь: https://stackoverflow.com/questions/793 ... ddr-0x20-i