diff --git a/Corona-Warn-App/build.gradle b/Corona-Warn-App/build.gradle
index 1d3229d5b65..d64e5f06f09 100644
--- a/Corona-Warn-App/build.gradle
+++ b/Corona-Warn-App/build.gradle
@@ -237,7 +237,8 @@ dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.work:work-runtime-ktx:2.3.4'
-    implementation 'android.arch.lifecycle:extensions:1.1.1'
+    implementation 'android.arch.lifecycle:extensions:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-common-java8:2.2.0'
     implementation 'androidx.annotation:annotation:1.1.0'
 
     // DAGGER
@@ -247,6 +248,7 @@ dependencies {
     kapt 'com.google.dagger:dagger-compiler:2.28.1'
     kapt 'com.google.dagger:dagger-android-processor:2.28.1'
 
+
     // QR
     implementation('com.journeyapps:zxing-android-embedded:4.1.0') { transitive = false }
     // noinspection GradleDependency - needed for SDK 23 compatibility, in combination with com.journeyapps:zxing-android-embedded:4.1.0
diff --git a/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt b/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
index ec73b7aa81b..4b2300bc5c2 100644
--- a/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
+++ b/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
@@ -16,6 +16,7 @@ import de.rki.coronawarnapp.risk.TimeVariables
 import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.timer.TimerHelper
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
@@ -44,15 +45,14 @@ class MainFragment : Fragment() {
     private val tracingViewModel: TracingViewModel by activityViewModels()
     private val settingsViewModel: SettingsViewModel by activityViewModels()
     private val submissionViewModel: SubmissionViewModel by activityViewModels()
-    private var _binding: FragmentMainBinding? = null
-    private val binding: FragmentMainBinding get() = _binding!!
+    private var binding: FragmentMainBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentMainBinding.inflate(inflater)
+        binding = FragmentMainBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.settingsViewModel = settingsViewModel
         binding.submissionViewModel = submissionViewModel
@@ -60,11 +60,6 @@ class MainFragment : Fragment() {
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestForAPIFragment.kt b/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestForAPIFragment.kt
index 3f4c4bc0908..355707092ea 100644
--- a/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestForAPIFragment.kt
+++ b/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestForAPIFragment.kt
@@ -48,6 +48,7 @@ import de.rki.coronawarnapp.storage.ExposureSummaryRepository
 import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.storage.tracing.TracingIntervalRepository
 import de.rki.coronawarnapp.transaction.RiskLevelTransaction
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 import de.rki.coronawarnapp.util.KeyFileHelper
 import kotlinx.android.synthetic.deviceForTesters.fragment_test_for_a_p_i.button_api_enter_other_keys
@@ -118,8 +119,7 @@ class TestForAPIFragment : Fragment(), InternalExposureNotificationPermissionHel
     private lateinit var qrPagerAdapter: RecyclerView.Adapter<QRPagerAdapter.QRViewHolder>
 
     // Data and View binding
-    private var _binding: FragmentTestForAPIBinding? = null
-    private val binding: FragmentTestForAPIBinding get() = _binding!!
+    private var binding: FragmentTestForAPIBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -128,7 +128,7 @@ class TestForAPIFragment : Fragment(), InternalExposureNotificationPermissionHel
     ): View? {
 
         // get the binding reference by inflating it with the current layout
-        _binding = FragmentTestForAPIBinding.inflate(inflater)
+        binding = FragmentTestForAPIBinding.inflate(inflater)
 
         // set the viewmmodel variable that will be used for data binding
         binding.tracingViewModel = tracingViewModel
@@ -140,11 +140,6 @@ class TestForAPIFragment : Fragment(), InternalExposureNotificationPermissionHel
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
diff --git a/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestRiskLevelCalculationFragment.kt b/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestRiskLevelCalculationFragment.kt
index 56a61aa2094..d5de4bcac8c 100644
--- a/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestRiskLevelCalculationFragment.kt
+++ b/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/test/TestRiskLevelCalculationFragment.kt
@@ -33,6 +33,7 @@ import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.storage.RiskLevelRepository
 import de.rki.coronawarnapp.transaction.RetrieveDiagnosisKeysTransaction
 import de.rki.coronawarnapp.transaction.RiskLevelTransaction
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
@@ -59,8 +60,7 @@ class TestRiskLevelCalculationFragment : Fragment() {
     private val tracingViewModel: TracingViewModel by activityViewModels()
     private val settingsViewModel: SettingsViewModel by activityViewModels()
     private val submissionViewModel: SubmissionViewModel by activityViewModels()
-    private var _binding: FragmentTestRiskLevelCalculationBinding? = null
-    private val binding: FragmentTestRiskLevelCalculationBinding get() = _binding!!
+    private var binding: FragmentTestRiskLevelCalculationBinding by viewLifecycle()
 
     // reference to the client from the Google framework with the given application context
     private val exposureNotificationClient by lazy {
@@ -72,7 +72,7 @@ class TestRiskLevelCalculationFragment : Fragment() {
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentTestRiskLevelCalculationBinding.inflate(inflater)
+        binding = FragmentTestRiskLevelCalculationBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.settingsViewModel = settingsViewModel
         binding.submissionViewModel = submissionViewModel
@@ -80,11 +80,6 @@ class TestRiskLevelCalculationFragment : Fragment() {
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
diff --git a/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/ui/main/MainFragment.kt b/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/ui/main/MainFragment.kt
index 7565b87826f..add678b4840 100644
--- a/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/ui/main/MainFragment.kt
+++ b/Corona-Warn-App/src/deviceForTesters/java/de/rki/coronawarnapp/ui/main/MainFragment.kt
@@ -16,6 +16,7 @@ import de.rki.coronawarnapp.risk.TimeVariables
 import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.timer.TimerHelper
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
@@ -44,15 +45,14 @@ class MainFragment : Fragment() {
     private val tracingViewModel: TracingViewModel by activityViewModels()
     private val settingsViewModel: SettingsViewModel by activityViewModels()
     private val submissionViewModel: SubmissionViewModel by activityViewModels()
-    private var _binding: FragmentMainBinding? = null
-    private val binding: FragmentMainBinding get() = _binding!!
+    private var binding: FragmentMainBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentMainBinding.inflate(inflater)
+        binding = FragmentMainBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.settingsViewModel = settingsViewModel
         binding.submissionViewModel = submissionViewModel
@@ -60,11 +60,6 @@ class MainFragment : Fragment() {
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/UIExtensions.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/UIExtensions.kt
index ed1f696f784..ed36ea61f2a 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/UIExtensions.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/UIExtensions.kt
@@ -1,7 +1,15 @@
 package de.rki.coronawarnapp.ui
 
+import android.os.Handler
+import android.os.Looper
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.Observer
 import androidx.navigation.NavController
 import androidx.navigation.NavDirections
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
 
 /**
  * Extends NavController to prevent navigation error when the user clicks on two buttons at almost
@@ -13,3 +21,47 @@ fun NavController.doNavigate(direction: NavDirections) {
     currentDestination?.getAction(direction.actionId)
         ?.let { navigate(direction) }
 }
+
+/**
+ * An extension to bind and unbind a value based on the view lifecycle of a Fragment.
+ * The binding will be unbound in onDestroyView.
+ *
+ * @throws IllegalStateException If the getter is invoked before the binding is set,
+ *                               or after onDestroyView an exception is thrown.
+ */
+fun <T> Fragment.viewLifecycle(): ReadWriteProperty<Fragment, T> {
+    return object : ReadWriteProperty<Fragment, T>, DefaultLifecycleObserver {
+
+        private var binding: T? = null
+
+        init {
+            this@viewLifecycle
+                .viewLifecycleOwnerLiveData
+                .observe(this@viewLifecycle, Observer { owner: LifecycleOwner? ->
+                    owner?.lifecycle?.addObserver(this)
+                })
+        }
+
+        override fun onDestroy(owner: LifecycleOwner) {
+            val handler = Handler(Looper.getMainLooper())
+            handler.post {
+                binding = null
+            }
+        }
+
+        override fun getValue(
+            thisRef: Fragment,
+            property: KProperty<*>
+        ): T {
+            return this.binding ?: error("Called before onCreateView or after onDestroyView.")
+        }
+
+        override fun setValue(
+            thisRef: Fragment,
+            property: KProperty<*>,
+            value: T
+        ) {
+            this.binding = value
+        }
+    }
+}
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationAboutFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationAboutFragment.kt
index 5cc5be6d7aa..3b98d61d742 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationAboutFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationAboutFragment.kt
@@ -11,6 +11,7 @@ import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentInformationAboutBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * Basic Fragment which only displays static content.
@@ -20,23 +21,17 @@ class InformationAboutFragment : Fragment() {
         private val TAG: String? = InformationAboutFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationAboutBinding? = null
-    private val binding: FragmentInformationAboutBinding get() = _binding!!
+    private var binding: FragmentInformationAboutBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationAboutBinding.inflate(inflater)
+        binding = FragmentInformationAboutBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationContactFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationContactFragment.kt
index 6b351030c0f..5d42b024caa 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationContactFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationContactFragment.kt
@@ -9,6 +9,7 @@ import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentInformationContactBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.util.ExternalActionHelper
 
 /**
@@ -19,23 +20,17 @@ class InformationContactFragment : Fragment() {
         private val TAG: String? = InformationContactFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationContactBinding? = null
-    private val binding: FragmentInformationContactBinding get() = _binding!!
+    private var binding: FragmentInformationContactBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationContactBinding.inflate(inflater)
+        binding = FragmentInformationContactBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationFragment.kt
index 9a6bd0b92f0..418455b8bff 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationFragment.kt
@@ -12,6 +12,7 @@ import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentInformationBinding
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.util.ExternalActionHelper
 
 /**
@@ -22,23 +23,17 @@ class InformationFragment : Fragment() {
         private val TAG: String? = InformationFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationBinding? = null
-    private val binding: FragmentInformationBinding get() = _binding!!
+    private var binding: FragmentInformationBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationBinding.inflate(inflater)
+        binding = FragmentInformationBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationLegalFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationLegalFragment.kt
index 6d102711f8e..a2407b577f6 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationLegalFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationLegalFragment.kt
@@ -11,6 +11,7 @@ import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentInformationLegalBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
 import de.rki.coronawarnapp.util.convertToHyperlink
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * Basic Fragment which only displays static content.
@@ -20,23 +21,17 @@ class InformationLegalFragment : Fragment() {
         private val TAG: String? = InformationLegalFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationLegalBinding? = null
-    private val binding: FragmentInformationLegalBinding get() = _binding!!
+    private var binding: FragmentInformationLegalBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationLegalBinding.inflate(inflater)
+        binding = FragmentInformationLegalBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationPrivacyFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationPrivacyFragment.kt
index c445f900f15..2aede597361 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationPrivacyFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationPrivacyFragment.kt
@@ -8,6 +8,7 @@ import android.view.accessibility.AccessibilityEvent
 import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.databinding.FragmentInformationPrivacyBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * Basic Fragment which only displays static content.
@@ -17,23 +18,17 @@ class InformationPrivacyFragment : Fragment() {
         private val TAG: String? = InformationPrivacyFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationPrivacyBinding? = null
-    private val binding: FragmentInformationPrivacyBinding get() = _binding!!
+    private var binding: FragmentInformationPrivacyBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationPrivacyBinding.inflate(inflater)
+        binding = FragmentInformationPrivacyBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTechnicalFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTechnicalFragment.kt
index a4ee7576532..193fde9c264 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTechnicalFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTechnicalFragment.kt
@@ -8,6 +8,7 @@ import android.view.accessibility.AccessibilityEvent
 import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.databinding.FragmentInformationTechnicalBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * Basic Fragment which only displays static content.
@@ -17,23 +18,17 @@ class InformationTechnicalFragment : Fragment() {
         private val TAG: String? = InformationTechnicalFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationTechnicalBinding? = null
-    private val binding: FragmentInformationTechnicalBinding get() = _binding!!
+    private var binding: FragmentInformationTechnicalBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationTechnicalBinding.inflate(inflater)
+        binding = FragmentInformationTechnicalBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTermsFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTermsFragment.kt
index 98a4079e6a0..592c36df7c4 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTermsFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/information/InformationTermsFragment.kt
@@ -8,6 +8,7 @@ import android.view.accessibility.AccessibilityEvent
 import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.databinding.FragmentInformationTermsBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * Basic Fragment which only displays static content.
@@ -17,23 +18,17 @@ class InformationTermsFragment : Fragment() {
         private val TAG: String? = InformationTermsFragment::class.simpleName
     }
 
-    private var _binding: FragmentInformationTermsBinding? = null
-    private val binding: FragmentInformationTermsBinding get() = _binding!!
+    private var binding: FragmentInformationTermsBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentInformationTermsBinding.inflate(inflater)
+        binding = FragmentInformationTermsBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainOverviewFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainOverviewFragment.kt
index 67b6ebbe80b..aa437a80b60 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainOverviewFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainOverviewFragment.kt
@@ -7,6 +7,7 @@ import android.view.ViewGroup
 import android.view.accessibility.AccessibilityEvent
 import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.databinding.FragmentMainOverviewBinding
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * The fragment displays static informative content to the user
@@ -21,23 +22,17 @@ class MainOverviewFragment : Fragment() {
         private val TAG: String? = MainOverviewFragment::class.simpleName
     }
 
-    private var _binding: FragmentMainOverviewBinding? = null
-    private val binding: FragmentMainOverviewBinding get() = _binding!!
+    private var binding: FragmentMainOverviewBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentMainOverviewBinding.inflate(inflater)
+        binding = FragmentMainOverviewBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainShareFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainShareFragment.kt
index 52c0e3df59d..5dd447eaf6c 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainShareFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/main/MainShareFragment.kt
@@ -9,6 +9,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentMainShareBinding
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 import de.rki.coronawarnapp.util.ExternalActionHelper
 
@@ -24,25 +25,19 @@ class MainShareFragment : Fragment() {
     }
 
     private val tracingViewModel: TracingViewModel by activityViewModels()
-    private var _binding: FragmentMainShareBinding? = null
-    private val binding: FragmentMainShareBinding get() = _binding!!
+    private var binding: FragmentMainShareBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentMainShareBinding.inflate(inflater)
+        binding = FragmentMainShareBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingFragment.kt
index 6b18c084575..b1daa10c003 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingFragment.kt
@@ -12,6 +12,7 @@ import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentOnboardingBinding
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * Onboarding starting point.
@@ -21,23 +22,17 @@ class OnboardingFragment : Fragment() {
         private val TAG: String? = OnboardingFragment::class.simpleName
     }
 
-    private var _binding: FragmentOnboardingBinding? = null
-    private val binding: FragmentOnboardingBinding get() = _binding!!
+    private var binding: FragmentOnboardingBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentOnboardingBinding.inflate(inflater)
+        binding = FragmentOnboardingBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding.onboardingButtonNext.setOnClickListener {
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingNotificationsFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingNotificationsFragment.kt
index c6768a15f48..58131710993 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingNotificationsFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingNotificationsFragment.kt
@@ -9,6 +9,7 @@ import androidx.appcompat.app.AlertDialog
 import androidx.core.app.NotificationManagerCompat
 import androidx.fragment.app.Fragment
 import de.rki.coronawarnapp.databinding.FragmentOnboardingNotificationsBinding
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * This fragment ask the user if he wants to get notifications and finishes the onboarding afterwards.
@@ -21,23 +22,17 @@ class OnboardingNotificationsFragment : Fragment() {
         private val TAG: String? = OnboardingNotificationsFragment::class.simpleName
     }
 
-    private var _binding: FragmentOnboardingNotificationsBinding? = null
-    private val binding: FragmentOnboardingNotificationsBinding get() = _binding!!
+    private var binding: FragmentOnboardingNotificationsBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentOnboardingNotificationsBinding.inflate(inflater)
+        binding = FragmentOnboardingNotificationsBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingPrivacyFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingPrivacyFragment.kt
index f15cbfbde6c..f81ec47d1e0 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingPrivacyFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingPrivacyFragment.kt
@@ -9,6 +9,7 @@ import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.databinding.FragmentOnboardingPrivacyBinding
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * This fragment informs the user regarding privacy.
@@ -18,23 +19,17 @@ class OnboardingPrivacyFragment : Fragment() {
         private val TAG: String? = OnboardingPrivacyFragment::class.simpleName
     }
 
-    private var _binding: FragmentOnboardingPrivacyBinding? = null
-    private val binding: FragmentOnboardingPrivacyBinding get() = _binding!!
+    private var binding: FragmentOnboardingPrivacyBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentOnboardingPrivacyBinding.inflate(inflater)
+        binding = FragmentOnboardingPrivacyBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTestFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTestFragment.kt
index 2923d9ea0f0..aacc99a5e1d 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTestFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTestFragment.kt
@@ -9,6 +9,7 @@ import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.databinding.FragmentOnboardingTestBinding
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * This fragment informs the user about test results.
@@ -18,23 +19,17 @@ class OnboardingTestFragment : Fragment() {
         private val TAG: String? = OnboardingTestFragment::class.simpleName
     }
 
-    private var _binding: FragmentOnboardingTestBinding? = null
-    private val binding: FragmentOnboardingTestBinding get() = _binding!!
+    private var binding: FragmentOnboardingTestBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentOnboardingTestBinding.inflate(inflater)
+        binding = FragmentOnboardingTestBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTracingFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTracingFragment.kt
index 23f302095ec..1d8e08fdffc 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTracingFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/onboarding/OnboardingTracingFragment.kt
@@ -18,6 +18,7 @@ import de.rki.coronawarnapp.nearby.InternalExposureNotificationClient
 import de.rki.coronawarnapp.nearby.InternalExposureNotificationPermissionHelper
 import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.util.DialogHelper
 import kotlinx.coroutines.launch
 
@@ -35,8 +36,7 @@ class OnboardingTracingFragment : Fragment(),
     }
 
     private lateinit var internalExposureNotificationPermissionHelper: InternalExposureNotificationPermissionHelper
-    private var _binding: FragmentOnboardingTracingBinding? = null
-    private val binding: FragmentOnboardingTracingBinding get() = _binding!!
+    private var binding: FragmentOnboardingTracingBinding by viewLifecycle()
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         internalExposureNotificationPermissionHelper.onResolutionComplete(
@@ -56,15 +56,10 @@ class OnboardingTracingFragment : Fragment(),
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentOnboardingTracingBinding.inflate(inflater)
+        binding = FragmentOnboardingTracingBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/riskdetails/RiskDetailsFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/riskdetails/RiskDetailsFragment.kt
index d816080e094..db5bba73860 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/riskdetails/RiskDetailsFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/riskdetails/RiskDetailsFragment.kt
@@ -12,6 +12,7 @@ import de.rki.coronawarnapp.databinding.FragmentRiskDetailsBinding
 import de.rki.coronawarnapp.timer.TimerHelper
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 
@@ -29,26 +30,20 @@ class RiskDetailsFragment : Fragment() {
 
     private val tracingViewModel: TracingViewModel by activityViewModels()
     private val settingsViewModel: SettingsViewModel by activityViewModels()
-    private var _binding: FragmentRiskDetailsBinding? = null
-    private val binding: FragmentRiskDetailsBinding get() = _binding!!
+    private var binding: FragmentRiskDetailsBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentRiskDetailsBinding.inflate(inflater)
+        binding = FragmentRiskDetailsBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.settingsViewModel = settingsViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListeners()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsBackgroundPriorityFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsBackgroundPriorityFragment.kt
index aa8218a169d..7385447600b 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsBackgroundPriorityFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsBackgroundPriorityFragment.kt
@@ -10,6 +10,7 @@ import androidx.fragment.app.activityViewModels
 import de.rki.coronawarnapp.databinding.FragmentSettingsBackgroundPriorityBinding
 import de.rki.coronawarnapp.ui.base.startActivitySafely
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 
@@ -26,25 +27,19 @@ class SettingsBackgroundPriorityFragment : Fragment() {
     }
 
     private val settingsViewModel: SettingsViewModel by activityViewModels()
-    private var _binding: FragmentSettingsBackgroundPriorityBinding? = null
-    private val binding: FragmentSettingsBackgroundPriorityBinding get() = _binding!!
+    private var binding: FragmentSettingsBackgroundPriorityBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSettingsBackgroundPriorityBinding.inflate(inflater)
+        binding = FragmentSettingsBackgroundPriorityBinding.inflate(inflater)
         binding.settingsViewModel = settingsViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsFragment.kt
index 33bc8f9b321..1f6338e182d 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsFragment.kt
@@ -11,6 +11,7 @@ import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.databinding.FragmentSettingsBinding
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 
@@ -28,26 +29,20 @@ class SettingsFragment : Fragment() {
 
     private val tracingViewModel: TracingViewModel by activityViewModels()
     private val settingsViewModel: SettingsViewModel by activityViewModels()
-    private var _binding: FragmentSettingsBinding? = null
-    private val binding: FragmentSettingsBinding get() = _binding!!
+    private var binding: FragmentSettingsBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSettingsBinding.inflate(inflater)
+        binding = FragmentSettingsBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.settingsViewModel = settingsViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsNotificationFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsNotificationFragment.kt
index 3acd7e6d9fa..7cbbccbfe2e 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsNotificationFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsNotificationFragment.kt
@@ -9,6 +9,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import de.rki.coronawarnapp.databinding.FragmentSettingsNotificationsBinding
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 import de.rki.coronawarnapp.util.ExternalActionHelper
@@ -28,25 +29,19 @@ class SettingsNotificationFragment : Fragment() {
     }
 
     private val settingsViewModel: SettingsViewModel by activityViewModels()
-    private var _binding: FragmentSettingsNotificationsBinding? = null
-    private val binding: FragmentSettingsNotificationsBinding get() = _binding!!
+    private var binding: FragmentSettingsNotificationsBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSettingsNotificationsBinding.inflate(inflater)
+        binding = FragmentSettingsNotificationsBinding.inflate(inflater)
         binding.settingsViewModel = settingsViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsResetFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsResetFragment.kt
index 77b7043444b..bea672e29d7 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsResetFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsResetFragment.kt
@@ -16,6 +16,7 @@ import de.rki.coronawarnapp.exception.reporting.report
 import de.rki.coronawarnapp.nearby.InternalExposureNotificationClient
 import de.rki.coronawarnapp.ui.main.MainActivity
 import de.rki.coronawarnapp.ui.onboarding.OnboardingActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.util.DataRetentionHelper
 import de.rki.coronawarnapp.util.DialogHelper
 import de.rki.coronawarnapp.worker.BackgroundWorkScheduler
@@ -33,23 +34,17 @@ class SettingsResetFragment : Fragment() {
         private val TAG: String? = SettingsResetFragment::class.simpleName
     }
 
-    private var _binding: FragmentSettingsResetBinding? = null
-    private val binding: FragmentSettingsResetBinding get() = _binding!!
+    private var binding: FragmentSettingsResetBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSettingsResetBinding.inflate(inflater)
+        binding = FragmentSettingsResetBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding.settingsResetButtonDelete.setOnClickListener {
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsTracingFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsTracingFragment.kt
index afc6c1abf45..702eebc1705 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsTracingFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/settings/SettingsTracingFragment.kt
@@ -17,6 +17,7 @@ import de.rki.coronawarnapp.nearby.InternalExposureNotificationClient
 import de.rki.coronawarnapp.nearby.InternalExposureNotificationPermissionHelper
 import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 import de.rki.coronawarnapp.util.DialogHelper
@@ -43,8 +44,7 @@ class SettingsTracingFragment : Fragment(),
 
     private val tracingViewModel: TracingViewModel by activityViewModels()
     private val settingsViewModel: SettingsViewModel by activityViewModels()
-    private var _binding: FragmentSettingsTracingBinding? = null
-    private val binding: FragmentSettingsTracingBinding get() = _binding!!
+    private var binding: FragmentSettingsTracingBinding by viewLifecycle()
 
     private lateinit var internalExposureNotificationPermissionHelper: InternalExposureNotificationPermissionHelper
 
@@ -53,18 +53,13 @@ class SettingsTracingFragment : Fragment(),
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSettingsTracingBinding.inflate(inflater)
+        binding = FragmentSettingsTracingBinding.inflate(inflater)
         binding.tracingViewModel = tracingViewModel
         binding.settingsViewModel = settingsViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionContactFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionContactFragment.kt
index de00ac35c34..f2ee3d0aa60 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionContactFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionContactFragment.kt
@@ -11,6 +11,7 @@ import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentSubmissionContactBinding
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.util.ExternalActionHelper
 
 /**
@@ -18,8 +19,7 @@ import de.rki.coronawarnapp.util.ExternalActionHelper
  */
 class SubmissionContactFragment : Fragment() {
 
-    private var _binding: FragmentSubmissionContactBinding? = null
-    private val binding: FragmentSubmissionContactBinding get() = _binding!!
+    private var binding: FragmentSubmissionContactBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -27,15 +27,10 @@ class SubmissionContactFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         // get the binding reference by inflating it with the current layout
-        _binding = FragmentSubmissionContactBinding.inflate(inflater)
+        binding = FragmentSubmissionContactBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDispatcherFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDispatcherFragment.kt
index 0ae9e32603c..e43e1bcd89f 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDispatcherFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDispatcherFragment.kt
@@ -11,6 +11,7 @@ import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentSubmissionDispatcherBinding
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.util.DialogHelper
 
 class SubmissionDispatcherFragment : Fragment() {
@@ -19,24 +20,18 @@ class SubmissionDispatcherFragment : Fragment() {
         private val TAG: String? = SubmissionDispatcherFragment::class.simpleName
     }
 
-    private var _binding: FragmentSubmissionDispatcherBinding? = null
-    private val binding: FragmentSubmissionDispatcherBinding get() = _binding!!
+    private var binding: FragmentSubmissionDispatcherBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSubmissionDispatcherBinding.inflate(inflater)
+        binding = FragmentSubmissionDispatcherBinding.inflate(inflater)
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDoneFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDoneFragment.kt
index 5efab5ef21f..1455ca3b610 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDoneFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionDoneFragment.kt
@@ -9,14 +9,14 @@ import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.databinding.FragmentSubmissionDoneBinding
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * The [SubmissionDoneFragment] displays information to a user that submitted his exposure keys
  */
 class SubmissionDoneFragment : Fragment() {
 
-    private var _binding: FragmentSubmissionDoneBinding? = null
-    private val binding: FragmentSubmissionDoneBinding get() = _binding!!
+    private var binding: FragmentSubmissionDoneBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -24,15 +24,9 @@ class SubmissionDoneFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         // get the binding reference by inflating it with the current layout
-        _binding = FragmentSubmissionDoneBinding.inflate(inflater)
+        binding = FragmentSubmissionDoneBinding.inflate(inflater)
         return binding.root
     }
-
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionIntroFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionIntroFragment.kt
index 3ad69bd6b9a..b2e796a3615 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionIntroFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionIntroFragment.kt
@@ -9,14 +9,14 @@ import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.databinding.FragmentSubmissionIntroBinding
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 
 /**
  * The [SubmissionIntroFragment] displays information about how the corona warning system works
  */
 class SubmissionIntroFragment : Fragment() {
 
-    private var _binding: FragmentSubmissionIntroBinding? = null
-    private val binding: FragmentSubmissionIntroBinding get() = _binding!!
+    private var binding: FragmentSubmissionIntroBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -24,15 +24,10 @@ class SubmissionIntroFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         // get the binding reference by inflating it with the current layout
-        _binding = FragmentSubmissionIntroBinding.inflate(inflater)
+        binding = FragmentSubmissionIntroBinding.inflate(inflater)
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionQRCodeScanFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionQRCodeScanFragment.kt
index c6492216c45..d8eaf6e430c 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionQRCodeScanFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionQRCodeScanFragment.kt
@@ -21,6 +21,7 @@ import de.rki.coronawarnapp.exception.http.CwaServerError
 import de.rki.coronawarnapp.exception.http.CwaWebException
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.util.CameraPermissionHelper
 import de.rki.coronawarnapp.util.DialogHelper
@@ -37,8 +38,7 @@ class SubmissionQRCodeScanFragment : Fragment() {
     }
 
     private val viewModel: SubmissionViewModel by activityViewModels()
-    private var _binding: FragmentSubmissionQrCodeScanBinding? = null
-    private val binding: FragmentSubmissionQrCodeScanBinding get() = _binding!!
+    private var binding: FragmentSubmissionQrCodeScanBinding by viewLifecycle()
     private var showsPermissionDialog = false
 
     override fun onCreateView(
@@ -46,7 +46,7 @@ class SubmissionQRCodeScanFragment : Fragment() {
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        _binding = FragmentSubmissionQrCodeScanBinding.inflate(inflater)
+        binding = FragmentSubmissionQrCodeScanBinding.inflate(inflater)
         binding.lifecycleOwner = this
         return binding.root
     }
@@ -59,11 +59,6 @@ class SubmissionQRCodeScanFragment : Fragment() {
         binding.submissionQrCodeScanPreview.decodeSingle { decodeCallback(it) }
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     private fun buildErrorDialog(exception: CwaWebException): DialogHelper.DialogInstance {
         return when (exception) {
             is BadRequestException -> DialogHelper.DialogInstance(
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionResultPositiveOtherWarningFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionResultPositiveOtherWarningFragment.kt
index 07e8fb165b5..d9a2cd6899b 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionResultPositiveOtherWarningFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionResultPositiveOtherWarningFragment.kt
@@ -20,6 +20,7 @@ import de.rki.coronawarnapp.exception.http.CwaServerError
 import de.rki.coronawarnapp.exception.http.ForbiddenException
 import de.rki.coronawarnapp.nearby.InternalExposureNotificationPermissionHelper
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 import de.rki.coronawarnapp.util.DialogHelper
@@ -35,8 +36,7 @@ class SubmissionResultPositiveOtherWarningFragment : Fragment(),
     private val submissionViewModel: SubmissionViewModel by activityViewModels()
     private val tracingViewModel: TracingViewModel by activityViewModels()
 
-    private var _binding: FragmentSubmissionPositiveOtherWarningBinding? = null
-    private val binding: FragmentSubmissionPositiveOtherWarningBinding get() = _binding!!
+    private var binding: FragmentSubmissionPositiveOtherWarningBinding by viewLifecycle()
     private lateinit var internalExposureNotificationPermissionHelper:
             InternalExposureNotificationPermissionHelper
 
@@ -61,18 +61,13 @@ class SubmissionResultPositiveOtherWarningFragment : Fragment(),
     ): View? {
         internalExposureNotificationPermissionHelper =
             InternalExposureNotificationPermissionHelper(this, this)
-        _binding = FragmentSubmissionPositiveOtherWarningBinding.inflate(inflater)
+        binding = FragmentSubmissionPositiveOtherWarningBinding.inflate(inflater)
         requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner, backCallback)
         binding.submissionViewModel = submissionViewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     private fun buildErrorDialog(exception: Exception): DialogHelper.DialogInstance {
         return when (exception) {
             is BadRequestException -> DialogHelper.DialogInstance(
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTanFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTanFragment.kt
index f648b300568..cc9e162e5a1 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTanFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTanFragment.kt
@@ -17,6 +17,7 @@ import de.rki.coronawarnapp.exception.http.CwaServerError
 import de.rki.coronawarnapp.exception.http.CwaWebException
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.main.MainActivity
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.util.DialogHelper
 import de.rki.coronawarnapp.util.TanHelper
@@ -31,8 +32,7 @@ class SubmissionTanFragment : Fragment() {
 
     private val viewModel: SubmissionTanViewModel by viewModels()
     private val submissionViewModel: SubmissionViewModel by activityViewModels()
-    private var _binding: FragmentSubmissionTanBinding? = null
-    private val binding: FragmentSubmissionTanBinding get() = _binding!!
+    private var binding: FragmentSubmissionTanBinding by viewLifecycle()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -40,17 +40,12 @@ class SubmissionTanFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         // get the binding reference by inflating it with the current layout
-        _binding = FragmentSubmissionTanBinding.inflate(inflater)
+        binding = FragmentSubmissionTanBinding.inflate(inflater)
         binding.viewmodel = viewModel
         binding.lifecycleOwner = this
         return binding.root
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     private fun buildErrorDialog(exception: CwaWebException): DialogHelper.DialogInstance {
         return when (exception) {
             is BadRequestException -> DialogHelper.DialogInstance(
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTestResultFragment.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTestResultFragment.kt
index 34e9cbc9899..d884a34af43 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTestResultFragment.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/ui/submission/SubmissionTestResultFragment.kt
@@ -17,6 +17,7 @@ import de.rki.coronawarnapp.exception.http.CwaClientError
 import de.rki.coronawarnapp.exception.http.CwaServerError
 import de.rki.coronawarnapp.exception.http.CwaWebException
 import de.rki.coronawarnapp.ui.doNavigate
+import de.rki.coronawarnapp.ui.viewLifecycle
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
 import de.rki.coronawarnapp.util.DeviceUIState
@@ -34,8 +35,7 @@ class SubmissionTestResultFragment : Fragment() {
     private val submissionViewModel: SubmissionViewModel by activityViewModels()
     private val tracingViewModel: TracingViewModel by activityViewModels()
 
-    private var _binding: FragmentSubmissionTestResultBinding? = null
-    private val binding: FragmentSubmissionTestResultBinding get() = _binding!!
+    private var binding: FragmentSubmissionTestResultBinding by viewLifecycle()
 
     private var skipInitialTestResultRefresh = false
 
@@ -55,7 +55,7 @@ class SubmissionTestResultFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View? {
         // get the binding reference by inflating it with the current layout
-        _binding = FragmentSubmissionTestResultBinding.inflate(inflater)
+        binding = FragmentSubmissionTestResultBinding.inflate(inflater)
         binding.submissionViewModel = submissionViewModel
         binding.lifecycleOwner = this
         // registers callback when the os level back is pressed
@@ -111,11 +111,6 @@ class SubmissionTestResultFragment : Fragment() {
         }
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()