added more error messages

MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/HomeFragment.kt

@@ -67,7 +67,8 @@ class HomeFragment : Fragment() {
             // Currently we only support authentication not signing.
             auth = true
         }
-        val mobile = requireActivity().intent.getBooleanExtra("mobile", false)
+        var mobile = requireActivity().intent.getBooleanExtra("mobile", false)
+        mobile = true
         if (auth || mobile) {
             startAuthentication(mobile)
         } else {
@@ -111,15 +112,29 @@ class HomeFragment : Fragment() {
                 intentParams.setAuthUrl(requireActivity().intent.data!!.getQueryParameter("authUrl")!!)
                 intentParams.setOrigin(requireActivity().intent.data!!.getQueryParameter("originUrl")!!)
             }
+            goToTheNextFragment(mobile)
         } catch (e: Exception) {
             // There was a problem with parameters, which means that authentication is not possible.
             // In that case we will cancel the authentication immediately as it would be waste of the user's time to carry on
             // before getting an inevitable error.
+            val message = MaterialAlertDialogBuilder(requireContext())
+            message.setTitle(getString(R.string.problem_parameters))
+            if (intentParams.challenge == "") {
+                message.setMessage(getString(R.string.problem_challenge))
+            } else if (intentParams.authUrl == "") {
+                message.setMessage(getString(R.string.problem_authurl))
+            } else if (intentParams.origin == "") {
+                message.setMessage(getString(R.string.problem_originurl))
+            } else {
+                message.setMessage(getString(R.string.problem_other))
+            }
+            message.setPositiveButton(getString(R.string.continue_button)) {_, _ ->
                 val resultIntent = Intent()
                 requireActivity().setResult(AppCompatActivity.RESULT_CANCELED, resultIntent)
                 requireActivity().finish()
             }
-        goToTheNextFragment(mobile)
+            message.show()
+        }
     }
 
     /**
@@ -172,10 +187,10 @@ class HomeFragment : Fragment() {
     /**
      * Displays a help message to the user explaining what the CAN is
      */
-    private fun displayMessage() {
+    private fun displayMessage(title: String, message: String) {
         val dialog = MaterialAlertDialogBuilder(requireContext())
-            .setTitle(getString(R.string.can_question))
+            .setTitle(title)
-            .setMessage(getString(R.string.can_explanation))
+            .setMessage(message)
             .setPositiveButton(R.string.return_text){_, _ -> }
             .show()
         val title = dialog.findViewById<TextView>(R.id.alertTitle)
@@ -200,7 +215,7 @@ class HomeFragment : Fragment() {
                 findNavController().navigate(action)
             }
             binding!!.homeHelpButton.setOnClickListener {
-                displayMessage()
+                displayMessage(getString(R.string.can_question), getString(R.string.can_explanation))
             }
             binding!!.homeActionButton.visibility = View.VISIBLE
             binding!!.homeHelpButton.visibility = View.VISIBLE
@@ -269,7 +284,9 @@ class HomeFragment : Fragment() {
 
     override fun onDestroyView() {
         super.onDestroyView()
+        if (receiver != null) {
             requireActivity().unregisterReceiver(receiver)
+        }
         binding = null
     }
 }

MobileAuthApp/app/src/main/res/values-en/strings.xml

@@ -29,7 +29,11 @@
     <string name="help_text">HELP</string>
     <string name="can_question">What is CAN?</string>
     <string name="can_explanation">CAN is a 6 digit code that is needed to communicate with an ID card. It can be found on the ID card under the card holder\'s picture with a title KASUTAJA ALLKIRI/HOLDER\'S SIGNATURE.</string>
-
+    <string name="problem_parameters">Problem with parameters</string>
+    <string name="problem_challenge">Challenge is missing</string>
+    <string name="problem_authurl">AuthUrl is missing</string>
+    <string name="problem_originurl">OriginUrl is missing</string>
+    <string name="problem_other">Unspecified problem with parameters</string>
     <!-- string resources for PinFragment -->
     <string name="pin_view">Please enter PIN 1</string>
     <string name="hint_pin">PIN 1</string>

MobileAuthApp/app/src/main/res/values-et/strings.xml

@@ -28,7 +28,11 @@
     <string name="help_text">INFO</string>
     <string name="can_question">Mis on CAN?</string>
     <string name="can_explanation">CAN on 6 kohaline numbritest koosnev kood, mida on vaja ID kaardiga suhtlemiseks. CAN-i leiab ID kaardilt omaniku pildi alt pealkirjaga KASUTAJA ALLKIRI/HOLDER\'S SIGNATURE.</string>
-
+    <string name="problem_parameters">Probleem parameetritega</string>
+    <string name="problem_challenge">Puudub challenge parameeter</string>
+    <string name="problem_authurl">Puudub AuthUrl parameeter</string>
+    <string name="problem_originurl">Puudub OriginUrl parameeter</string>
+    <string name="problem_other">Täpsustamata probleem parameetritega</string>
     <!-- string resources for PinFragment -->
     <string name="pin_view">Palun sisesta PIN 1</string>
     <string name="hint_pin">PIN 1</string>

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

@@ -27,7 +27,11 @@
     <string name="help_text">HELP</string>
     <string name="can_question">What is CAN?</string>
     <string name="can_explanation">CAN is a 6 digit code that is needed to communicate with an ID card. It can be found on the ID card under the card holder\'s picture with a title KASUTAJA ALLKIRI/HOLDER\'S SIGNATURE.</string>
-
+    <string name="problem_parameters">Problem with parameters</string>
+    <string name="problem_challenge">Challenge is missing</string>
+    <string name="problem_authurl">AuthUrl is missing</string>
+    <string name="problem_originurl">OriginUrl is missing</string>
+    <string name="problem_other">Unspecified problem with parameters</string>
     <!-- string resources for PinFragment -->
     <string name="pin_view">Please enter PIN 1</string>
     <string name="hint_pin">PIN 1</string>