MOB-14 improved the user experience

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

@@ -15,6 +15,7 @@ import androidx.navigation.fragment.findNavController
 import com.tarkvaraprojekt.mobileauthapp.NFC.Comms
 import com.tarkvaraprojekt.mobileauthapp.databinding.FragmentAuthBinding
 import com.tarkvaraprojekt.mobileauthapp.model.SmartCardViewModel
+import java.lang.Exception
 import kotlin.concurrent.thread
 
 /**
@@ -43,14 +44,19 @@ class AuthFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        timer = object : CountDownTimer(90000, 1000) {
+        timer = object : CountDownTimer((timeRemaining * 1000).toLong(), 1000) {
             override fun onTick(p0: Long) {
-                binding!!.timeCounter.text = getString(R.string.time_left, timeRemaining)
                 timeRemaining--
+                if (timeRemaining == 0) {
+                    binding!!.timeCounter.text = getString(R.string.no_time)
+                } else {
+                    binding!!.timeCounter.text = getString(R.string.time_left, timeRemaining)
+                }
             }
 
             override fun onFinish() {
-                binding!!.timeCounter.text = getString(R.string.no_time)
+                Thread.sleep(750)
+                goToTheStart()
             }
         }.start()
         binding!!.nextButton.setOnClickListener { goToNextFragment() }
@@ -69,6 +75,7 @@ class AuthFragment : Fragment() {
             val card = IsoDep.get(tag)
             card.timeout = 32768
             card.use {
+                try {
                     val comms = Comms(it, viewModel.userCan)
                     val response = comms.readPersonalData(byteArrayOf(1, 2, 6))
                     if (response != null) {
@@ -79,9 +86,18 @@ class AuthFragment : Fragment() {
                             binding!!.timeCounter.text = getString(R.string.data_read)
                         }
                     }
+                } catch (e: Exception) {
+                    requireActivity().runOnUiThread {
+                        binding!!.timeCounter.text = getString(R.string.no_success)
+                    }
+                    // Gives user some time to read the error message
+                    Thread.sleep(1000)
+                    goToTheStart()
+                } finally {
                     it.close()
                     adapter.disableReaderMode(activity)
                 }
+            }
         }, NfcAdapter.FLAG_READER_NFC_A, null)
     }
 

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

@@ -34,6 +34,9 @@ class PinFragment : Fragment() {
 
         binding!!.nextButton.setOnClickListener { goToNextFragment() }
         binding!!.cancelButton.setOnClickListener { goToTheStart() }
+        // Currently PIN 1 is not required and thus this step is immediately skipped.
+        // In the future the UI flow will be changed in the nav_graph.
+        goToNextFragment()
     }
 
     private fun goToNextFragment() {

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

@@ -10,7 +10,7 @@
     <string name="pin_fragment">Palun sisesta PIN 1</string>
     <string name="enter_pin">PIN 1</string>
     <string name="example_pin">Näide. 1234</string>
-    <string name="length_pin">PIN1 lubatud pikkus on 4-12</string>
+    <string name="length_pin">PIN 1 lubatud pikkus on 4..12</string>
 
     <!-- string resources for CanFragment -->
     <string name="example_can">Näide. 123456</string>
@@ -18,12 +18,13 @@
     <string name="enter_can">Sisesta ID kaardi CAN (Card Access Number)</string>
     <string name="length_can">CANi pikkus on vale</string>
     <string name="card_detected">Kaart on tuvastatud. Hoia kaarti vastu telefoni.</string>
-    <string name="data_read">Andmed loetud.</string>
+    <string name="data_read">Andmed loetud. Võid edasi minna.</string>
 
     <!-- string resources for AuthFragment layout -->
     <string name="auth_instruction_text">ID kaardiga ühenduse loomiseks pane kaart vastu telefoni</string>
     <string name="time_left">Aega on jäänud %d sek</string>
     <string name="no_time">Aeg on otsas</string>
+    <string name="no_success">Vale CAN</string>
 
     <!-- string resources for UserFragment layout -->
     <string name="user_name_label">NIMI</string>