Use the new fragment constructor

app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt

@@ -149,7 +149,6 @@ abstract class BaseBrowserFragment : Fragment(), BackHandler, SessionManager.Obs
     }
 
     final override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
         browserInitialized = initializeUI(view) != null
     }
 

app/src/main/java/org/mozilla/fenix/crashes/CrashReporterFragment.kt

@@ -5,9 +5,7 @@
 package org.mozilla.fenix.crashes
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
@@ -21,13 +19,7 @@ import org.mozilla.fenix.ext.settings
 /**
  * Fragment shown when a tab crashes.
  */
-class CrashReporterFragment : Fragment() {
+class CrashReporterFragment : Fragment(R.layout.fragment_crash_reporter) {
-
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? = inflater.inflate(R.layout.fragment_crash_reporter, container, false)
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)

app/src/main/java/org/mozilla/fenix/library/LibraryFragment.kt

@@ -7,12 +7,10 @@ package org.mozilla.fenix.library
 import android.graphics.PorterDuff.Mode.SRC_IN
 import android.graphics.PorterDuffColorFilter
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.Fragment
@@ -25,15 +23,10 @@ import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
 
-class LibraryFragment : Fragment() {
+/**
-
+ * Displays buttons to navigate to library sections, such as bookmarks and history.
-    override fun onCreateView(
+ */
-        inflater: LayoutInflater,
+class LibraryFragment : Fragment(R.layout.fragment_library) {
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.fragment_library, container, false)
-    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

app/src/main/java/org/mozilla/fenix/library/bookmarks/addfolder/AddBookmarkFolderFragment.kt

@@ -5,12 +5,9 @@
 package org.mozilla.fenix.library.bookmarks.addfolder
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
-import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
@@ -28,7 +25,10 @@ import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
 import org.mozilla.fenix.library.bookmarks.BookmarksSharedViewModel
 
-class AddBookmarkFolderFragment : Fragment() {
+/**
+ * Menu to create a new bookmark folder.
+ */
+class AddBookmarkFolderFragment : Fragment(R.layout.fragment_add_bookmark_folder) {
 
     private val sharedViewModel: BookmarksSharedViewModel by activityViewModels {
         ViewModelProvider.NewInstanceFactory() // this is a workaround for #4652
@@ -39,10 +39,6 @@ class AddBookmarkFolderFragment : Fragment() {
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_add_bookmark_folder, container, false)
-    }
-
     override fun onResume() {
         super.onResume()
         (activity as AppCompatActivity).title =

app/src/main/java/org/mozilla/fenix/library/bookmarks/edit/EditBookmarkFragment.kt

@@ -6,12 +6,10 @@ package org.mozilla.fenix.library.bookmarks.edit
 
 import android.content.DialogInterface
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
@@ -48,7 +46,10 @@ import org.mozilla.fenix.library.bookmarks.BookmarksSharedViewModel
 import org.mozilla.fenix.library.bookmarks.DesktopFolders
 import java.util.concurrent.TimeUnit
 
-class EditBookmarkFragment : Fragment() {
+/**
+ * Menu to edit the name, URL, and location of a bookmark item.
+ */
+class EditBookmarkFragment : Fragment(R.layout.fragment_edit_bookmark) {
 
     private lateinit var guidToEdit: String
     private val sharedViewModel: BookmarksSharedViewModel by activityViewModels {
@@ -62,10 +63,6 @@ class EditBookmarkFragment : Fragment() {
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_edit_bookmark, container, false)
-    }
-
     override fun onResume() {
         super.onResume()
 

app/src/main/java/org/mozilla/fenix/settings/AboutFragment.kt

@@ -9,9 +9,7 @@ import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.annotation.RequiresApi
 import androidx.core.content.pm.PackageInfoCompat
 import androidx.fragment.app.Fragment
@@ -29,11 +27,7 @@ import org.mozilla.geckoview.BuildConfig as GeckoViewBuildConfig
 /**
  * Displays the logo and information about the app, including library versions.
  */
-class AboutFragment : Fragment() {
+class AboutFragment : Fragment(R.layout.fragment_about) {
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_about, container, false)
-    }
 
     /**
      * Sets the activity title, displays library version strings, and sets up the [view_licenses_button].

app/src/main/java/org/mozilla/fenix/settings/PairFragment.kt

@@ -5,9 +5,7 @@
 package org.mozilla.fenix.settings
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.text.HtmlCompat
 import androidx.fragment.app.Fragment
@@ -20,16 +18,9 @@ import mozilla.components.support.base.feature.ViewBoundFeatureWrapper
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.requireComponents
 
-class PairFragment : Fragment(), BackHandler {
+class PairFragment : Fragment(R.layout.fragment_pair), BackHandler {
-    private val qrFeature = ViewBoundFeatureWrapper<QrFeature>()
 
-    override fun onCreateView(
+    private val qrFeature = ViewBoundFeatureWrapper<QrFeature>()
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.fragment_pair, container, false)
-    }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)

app/src/main/java/org/mozilla/fenix/settings/deletebrowsingdata/DeleteBrowsingDataFragment.kt

@@ -6,9 +6,7 @@ package org.mozilla.fenix.settings.deletebrowsingdata
 
 import android.content.DialogInterface
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
@@ -28,18 +26,11 @@ import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.requireComponents
 
 @SuppressWarnings("TooManyFunctions")
-class DeleteBrowsingDataFragment : Fragment() {
+class DeleteBrowsingDataFragment : Fragment(R.layout.fragment_delete_browsing_data) {
     private lateinit var sessionObserver: SessionManager.Observer
     private var tabCollections: List<TabCollection> = listOf()
     private lateinit var controller: DeleteBrowsingDataController
 
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? =
-        inflater.inflate(R.layout.fragment_delete_browsing_data, container, false)
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 

app/src/main/java/org/mozilla/fenix/settings/sitepermissions/SitePermissionsExceptionsFragment.kt

@@ -37,8 +37,8 @@ import org.mozilla.fenix.ext.nav
 
 private const val MAX_ITEMS_PER_PAGE = 50
 
-@SuppressWarnings("TooManyFunctions")
+class SitePermissionsExceptionsFragment :
-class SitePermissionsExceptionsFragment : Fragment(), View.OnClickListener {
+    Fragment(R.layout.fragment_site_permissions_exceptions), View.OnClickListener {
     private lateinit var emptyContainerMessage: View
     private lateinit var recyclerView: RecyclerView
     private lateinit var clearButton: Button
@@ -48,10 +48,6 @@ class SitePermissionsExceptionsFragment : Fragment(), View.OnClickListener {
         (activity as AppCompatActivity).supportActionBar?.show()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_site_permissions_exceptions, container, false)
-    }
-
     override fun onViewCreated(rootView: View, savedInstanceState: Bundle?) {
         super.onViewCreated(rootView, savedInstanceState)
         bindEmptyContainerMess(rootView)

app/src/main/java/org/mozilla/fenix/share/AddNewDeviceFragment.kt

@@ -5,9 +5,7 @@
 package org.mozilla.fenix.share
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
@@ -15,12 +13,7 @@ import kotlinx.android.synthetic.main.fragment_add_new_device.*
 import org.mozilla.fenix.R
 import org.mozilla.fenix.settings.SupportUtils
 
-class AddNewDeviceFragment : Fragment() {
+class AddNewDeviceFragment : Fragment(R.layout.fragment_add_new_device) {
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? = inflater.inflate(R.layout.fragment_add_new_device, container, false)
 
     override fun onResume() {
         super.onResume()

app/src/main/java/org/mozilla/fenix/trackingprotection/TrackingProtectionBlockingFragment.kt

@@ -5,43 +5,28 @@
 package org.mozilla.fenix.trackingprotection
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.navArgs
 import kotlinx.android.synthetic.main.fragment_tracking_protection_blocking.*
 import org.mozilla.fenix.R
 
-class TrackingProtectionBlockingFragment : Fragment() {
+class TrackingProtectionBlockingFragment : Fragment(R.layout.fragment_tracking_protection_blocking) {
-    private val safeArguments get() = requireNotNull(arguments)
 
-    private val isStrict: Boolean by lazy {
+    private val args: TrackingProtectionBlockingFragmentArgs by navArgs()
-        TrackingProtectionBlockingFragmentArgs.fromBundle(safeArguments).strictMode
-    }
-
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.fragment_tracking_protection_blocking, container, false)
-    }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        if (isStrict) {
+        category_tracking_content.isVisible = args.strictMode
-            category_tracking_content.visibility = View.VISIBLE
-        } else {
-            category_tracking_content.visibility = View.GONE
-        }
     }
 
     override fun onResume() {
         super.onResume()
         (activity as AppCompatActivity).title =
             getString(
-                if (isStrict) R.string.preference_enhanced_tracking_protection_strict else
+                if (args.strictMode) R.string.preference_enhanced_tracking_protection_strict else
                     R.string.preference_enhanced_tracking_protection_standard
             )
         (activity as AppCompatActivity).supportActionBar?.show()

app/src/main/res/layout/fragment_library.xml

@@ -3,36 +3,36 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-            android:layout_width="fill_parent"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
-            android:layout_height="fill_parent" >
+        xmlns:tools="http://schemas.android.com/tools"
-<LinearLayout
+        android:layout_width="fill_parent"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_height="fill_parent"
-    xmlns:tools="http://schemas.android.com/tools"
+        tools:context="org.mozilla.fenix.library.LibraryFragment">
-    android:layout_width="match_parent"
+    <LinearLayout
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context="org.mozilla.fenix.library.LibraryFragment">
-
-    <org.mozilla.fenix.library.LibraryListItem
-        android:id="@+id/libraryBookmarks"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="?android:attr/selectableItemBackground"
+        android:orientation="vertical">
-        android:clickable="true"
-        android:contentDescription="@string/library_bookmarks"
-        android:focusable="true"
-        app:listItemIcon="@drawable/bookmarks_circle_background_outline"
-        app:listItemTitle="@string/library_bookmarks" />
 
-    <org.mozilla.fenix.library.LibraryListItem
+        <org.mozilla.fenix.library.LibraryListItem
-        android:id="@+id/libraryHistory"
+            android:id="@+id/libraryBookmarks"
-        android:layout_width="match_parent"
+            android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+            android:layout_height="wrap_content"
-        android:background="?android:attr/selectableItemBackground"
+            android:background="?android:attr/selectableItemBackground"
-        android:clickable="true"
+            android:clickable="true"
-        android:focusable="true"
+            android:contentDescription="@string/library_bookmarks"
-        app:listItemIcon="@drawable/library_icon_history_circle_background"
+            android:focusable="true"
-        app:listItemTitle="@string/library_history" />
+            app:listItemIcon="@drawable/bookmarks_circle_background_outline"
-</LinearLayout>
+            app:listItemTitle="@string/library_bookmarks" />
+
+        <org.mozilla.fenix.library.LibraryListItem
+            android:id="@+id/libraryHistory"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?android:attr/selectableItemBackground"
+            android:clickable="true"
+            android:focusable="true"
+            app:listItemIcon="@drawable/library_icon_history_circle_background"
+            app:listItemTitle="@string/library_history" />
+    </LinearLayout>
 </ScrollView>