added Exception handling

app/src/main/java/com/module/breeze/MainActivity.kt

@@ -55,6 +55,8 @@ import androidx.compose.ui.unit.sp
 import androidx.core.content.ContextCompat
 import com.module.breeze.ui.theme.BreezeTheme
 import kotlinx.coroutines.runBlocking
+import retrofit2.HttpException
+import java.net.UnknownHostException
 import java.text.DecimalFormat
 import java.time.LocalDate
 import kotlin.math.roundToInt
@@ -129,6 +131,9 @@ fun WeatherInfo(modifier: Modifier = Modifier) {
   val ctx = LocalContext.current
   var textColor = if (isSystemInDarkTheme()) textColorDarkMode else textColorLightMode
   var forecast by remember { mutableStateOf(ForecastSummary(0.0, 0.0, false, false, false)) }
+  var weatherHttpExceptionMessage = ""
+  var isCurrentTempOk = true
+
   var currentTemp by remember {
     mutableStateOf(
       WeatherResponse(Main(0.0, 0.0, 0.0, 0.0, 0, 0), emptyList(), 0L),
@@ -163,7 +168,13 @@ fun WeatherInfo(modifier: Modifier = Modifier) {
   }
 
   if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+    try {
       forecast = fetchWeather(ctx)
+    } catch (exception: HttpException) {
+      weatherHttpExceptionMessage = exception.message()
+    } catch (exception: UnknownHostException) {
+      weatherHttpExceptionMessage = "No Internet Connection"
+    }
   }
 
   Navigation(
@@ -203,12 +214,15 @@ fun WeatherInfo(modifier: Modifier = Modifier) {
       )
     }
     Row {
+      if (weatherHttpExceptionMessage.equals("")) {
         Icon(
           imageVector = iconStyle.ArrowDownward,
           contentDescription = "Arrow down Icon",
         )
+        var maxTemp = numberFormat.format(forecast.minTemp.roundToInt()) + "°"
+        var minTemp = numberFormat.format(forecast.maxTemp.roundToInt()) + "°"
         Text(
-        text = numberFormat.format(forecast.minTemp.roundToInt()) + "°",
+          text = maxTemp,
           fontSize = fontSizeUpper,
           fontWeight = breezeFontWeight,
         )
@@ -217,17 +231,34 @@ fun WeatherInfo(modifier: Modifier = Modifier) {
           contentDescription = "Arrow up Icon",
         )
         Text(
-        text = numberFormat.format(forecast.maxTemp.roundToInt()) + "°",
+          text = minTemp,
+          fontSize = fontSizeUpper,
+          fontWeight = breezeFontWeight,
+        )
+      } else {
+        Text(
+          text = weatherHttpExceptionMessage,
           fontSize = fontSizeUpper,
           fontWeight = breezeFontWeight,
         )
       }
+    }
     if (hasLocationPermission) {
       location?.let {
+        try {
           currentTemp = fetchCurrentTemp(ctx, it.latitude, it.latitude)
+        } catch (exception: UnknownHostException) {
+          isCurrentTempOk = false
+        }
+      }
+      var currentTempText = ""
+      if (isCurrentTempOk) {
+        currentTempText = numberFormat.format(currentTemp.main.temp.roundToInt()) + "°"
+      } else {
+       currentTempText = "XX°"
       }
       Text(
-        text = numberFormat.format(currentTemp.main.temp.roundToInt()) + "°",
+        text = currentTempText,
         fontSize = fontSizeCurrentTemp,
         fontWeight = breezeFontWeight,
       )