fix: trusted SSIDs bug

Fixes bugs where trusted SSIDs were getting whitespace added every time they were saved to the DB.

Fixes file explorer bug on AndroidTV where the app crashes if they do not have a file explorer installed on the device.

app/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "com.zaneschepke.wireguardautotunnel"
         minSdk = 26
         targetSdk = 34
-        versionCode = 30001
-        versionName = "3.0.1"
+        versionCode = 30002
+        versionName = "3.0.2"
 
         multiDexEnabled = true
 

app/src/main/java/com/zaneschepke/wireguardautotunnel/repository/DatabaseListConverters.kt

@@ -5,7 +5,7 @@ import androidx.room.TypeConverter
 class DatabaseListConverters {
     @TypeConverter
     fun listToString(value: MutableList<String>): String {
-        return value.joinToString()
+        return value.joinToString(",")
     }
     @TypeConverter
     fun <T> stringToList(value: String): MutableList<String> {

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/main/MainScreen.kt

@@ -214,7 +214,11 @@ fun MainScreen(
                                 addCategory(Intent.CATEGORY_OPENABLE)
                                 type = Constants.ALLOWED_FILE_TYPES
                             }
-                            pickFileLauncher.launch(fileSelectionIntent)
+                            if (fileSelectionIntent.resolveActivity(context.packageManager) != null) {
+                                pickFileLauncher.launch(fileSelectionIntent)
+                            } else {
+                                viewModel.showSnackBarMessage(context.getString(R.string.no_file_app))
+                            }
                         }
                         .padding(10.dp)
                 ) {
@@ -271,7 +275,7 @@ fun MainScreen(
                     .nestedScroll(nestedScrollConnection),
             ) {
                 items(tunnels, key = { tunnel -> tunnel.id }) {tunnel ->
-                    val focusRequester = FocusRequester()
+                    val focusRequester = remember { FocusRequester() }
                     RowListItem(leadingIcon = Icons.Rounded.Circle,
                         leadingIconColor = if (tunnelName == tunnel.name) when (handshakeStatus) {
                             HandshakeStatus.HEALTHY -> mint

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

@@ -96,4 +96,5 @@
     <string name="never">Never</string>
     <string name="stream_failed">Failed to open file stream.</string>
     <string name="unknown_error_message">An unknown error occurred.</string>
+    <string name="no_file_app">No file app installed.</string>
 </resources>