Move hardcoded strings to resources

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

app/src/main/java/dev/msfjarvis/lobsters/MainActivity.kt

@@ -11,6 +11,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Providers
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.platform.setContent
+import androidx.compose.ui.res.stringResource
 import androidx.navigation.compose.KEY_ROUTE
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
@@ -67,7 +68,7 @@ fun LobstersApp(
                 }
               )
             },
-            label = { Text(screen.label) },
+            label = { Text(stringResource(id = screen.labelRes)) },
             selected = currentRoute == screen.route,
             onClick = {
               // This is the equivalent to popUpTo the start destination

app/src/main/java/dev/msfjarvis/lobsters/ui/Destination.kt

@@ -1,12 +1,15 @@
 package dev.msfjarvis.lobsters.ui
 
+import androidx.annotation.StringRes
+import dev.msfjarvis.lobsters.R
+
 /**
  * Destinations for navigation within the app.
  */
 sealed class Destination(
   val route: String,
-  val label: String,
+  @StringRes val labelRes: Int,
 ) {
-  object Hottest : Destination("hottest", "Hottest")
-  object Saved : Destination("saved", "Saved")
+  object Hottest : Destination("hottest", R.string.hottest_posts)
+  object Saved : Destination("saved", R.string.saved_posts)
 }

app/src/main/java/dev/msfjarvis/lobsters/ui/SavedPosts.kt

@@ -37,5 +37,3 @@ fun SavedPosts(
     }
   }
 }
-
-

app/src/main/res/values/strings.xml

@@ -2,4 +2,6 @@
   <string name="app_name">lobste.rs</string>
   <string name="loading">Loading posts…</string>
   <string name="no_saved_posts">You don\'t have any saved posts</string>
+  <string name="hottest_posts">Hottest</string>
+  <string name="saved_posts">Saved</string>
 </resources>