Added a dialog to Onboarding for background restricted apps (#882)

Signed-off-by: Kolya Opahle <k.opahle@sap.com>

Co-authored-by: Philipp Woessner <64482866+pwoessner@users.noreply.github.com>

Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingNotificationsFragment.kt

 package de.rki.coronawarnapp.ui.onboarding
 
+import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
+import android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -8,7 +11,10 @@ import android.view.accessibility.AccessibilityEvent
 import androidx.appcompat.app.AlertDialog
 import androidx.core.app.NotificationManagerCompat
 import androidx.fragment.app.Fragment
+import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentOnboardingNotificationsBinding
+import de.rki.coronawarnapp.util.ConnectivityHelper
+import de.rki.coronawarnapp.util.DialogHelper
 
 /**
  * This fragment ask the user if he wants to get notifications and finishes the onboarding afterwards.
@@ -50,13 +56,43 @@ class OnboardingNotificationsFragment : Fragment() {
 
     private fun setButtonOnClickListener() {
         binding.onboardingButtonNext.setOnClickListener {
-            navigateToMain()
+            checkForBackgroundJobDisabled()
         }
         binding.onboardingButtonBack.buttonIcon.setOnClickListener {
             (activity as OnboardingActivity).goBack()
         }
     }
 
+    private fun checkForBackgroundJobDisabled() {
+        if (!ConnectivityHelper.isBackgroundJobEnabled(requireActivity())) {
+            showBackgroundJobDisabledNotification()
+        } else {
+            navigateToMain()
+        }
+    }
+
+    private fun showBackgroundJobDisabledNotification() {
+        val dialog = DialogHelper.DialogInstance(
+            requireActivity(),
+            R.string.onboarding_background_fetch_dialog_headline,
+            R.string.onboarding_background_fetch_dialog_body,
+            R.string.onboarding_background_fetch_dialog_button_positive,
+            R.string.onboarding_background_fetch_dialog_button_negative,
+            false,
+            {
+                val intent = Intent(
+                    ACTION_APPLICATION_DETAILS_SETTINGS,
+                    Uri.fromParts("package", requireContext().packageName, null)
+                )
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                startActivity(intent)
+            },
+            {
+                navigateToMain()
+            })
+        DialogHelper.showDialog(dialog)
+    }
+
     private fun navigateToMain() {
         (requireActivity() as OnboardingActivity).completeOnboarding()
     }

Corona-Warn-App/src/main/res/values-de/strings.xml

@@ -407,6 +407,14 @@
     <string name="onboarding_tracing_dialog_button_positive">"Nicht aktivieren"</string>
     <!-- XBUT: onboarding(tracing) - negative button (right) -->
     <string name="onboarding_tracing_dialog_button_negative">"Zurück"</string>
+    <!-- XACT: onboarding(tracing) - dialog about background jobs header text -->
+    <string name="onboarding_background_fetch_dialog_headline">"Hintergrundaktualisierung ausgeschaltet"</string>
+    <!-- YMSI: onboarding(tracing) - dialog about background jobs -->
+    <string name="onboarding_background_fetch_dialog_body">"Sie haben die Hintergrundaktualisierung für die Corona-Warn-App ausgeschaltet. Um die automatische Risiko-Ermittlung zu nutzen, müssen Sie die Hintergrundaktualisierung einschalten. Wenn Sie die Hintergrundaktualisierung nicht einschalten, können Sie Ihre Risiko-Ermittlung nur manuell in der App starten. Sie können die Hintergrundaktualisierung für die App jederzeit in den Geräteeinstellungen einschalten."</string>
+    <!-- XBUT: onboarding(tracing) - dialog about background jobs, open device settings -->
+    <string name="onboarding_background_fetch_dialog_button_positive">"Geräteeinstellungen öffnen"</string>
+    <!-- XBUT: onboarding(tracing) - dialog about background jobs, continue in app -->
+    <string name="onboarding_background_fetch_dialog_button_negative">"Risiko-Ermittlung manuell starten"</string>
     <!-- XACT: onboarding(tracing) - illustraction description, header image -->
     <string name="onboarding_tracing_illustration_description">"Drei Personen haben die Risiko-Ermittlung auf ihren Smartphones aktiviert, ihre Begegnung wird daher aufgezeichnet."</string>
     <!-- XHED: onboarding(tracing) - location explanation for bluetooth headline -->

Corona-Warn-App/src/main/res/values/strings.xml

@@ -395,6 +395,14 @@
     <string name="onboarding_tracing_dialog_button_positive">"Do Not Activate"</string>
     <!-- XBUT: onboarding(tracing) - negative button (right) -->
     <string name="onboarding_tracing_dialog_button_negative">"Back"</string>
+    <!-- XACT: onboarding(tracing) - dialog about background jobs header text -->
+    <string name="onboarding_background_fetch_dialog_headline"></string>
+    <!-- YMSI: onboarding(tracing) - dialog about background jobs -->
+    <string name="onboarding_background_fetch_dialog_body"></string>
+    <!-- XBUT: onboarding(tracing) - dialog about background jobs, open device settings -->
+    <string name="onboarding_background_fetch_dialog_button_positive"></string>
+    <!-- XBUT: onboarding(tracing) - dialog about background jobs, continue in app -->
+    <string name="onboarding_background_fetch_dialog_button_negative"></string>
     <!-- XACT: onboarding(tracing) - illustraction description, header image -->
     <string name="onboarding_tracing_illustration_description">"Three people have activated exposure logging on their devices, which will log their encounters with each other."</string>
     <!-- XHED: onboarding(tracing) - location explanation for bluetooth headline -->