Use property delegates for viewbinding in activities

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/EditContactActivity.kt

@@ -74,7 +74,7 @@ class EditContactActivity : ContactActivity() {
     private var numberViewToColor: EditText? = null
     private var emailViewToColor: EditText? = null
     private var originalContactSource = ""
-    private lateinit var binding: ActivityEditContactBinding
+    private val binding: ActivityEditContactBinding by viewBinding(ActivityEditContactBinding::inflate)
 
     enum class PrimaryNumberStatus {
         UNCHANGED, STARRED, UNSTARRED
@@ -83,7 +83,6 @@ class EditContactActivity : ContactActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         showTransparentTop = true
         super.onCreate(savedInstanceState)
-        binding = ActivityEditContactBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
         if (checkAppSideloading()) {

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/GroupContactsActivity.kt

@@ -27,7 +27,7 @@ class GroupContactsActivity : SimpleActivity(), RemoveFromGroupListener, Refresh
     private var groupContacts = ArrayList<Contact>()
     private var wasInit = false
     lateinit var group: Group
-    private lateinit var binding: ActivityGroupContactsBinding
+    private val binding: ActivityGroupContactsBinding by viewBinding(ActivityGroupContactsBinding::inflate)
 
     protected val INTENT_SELECT_RINGTONE = 600
 
@@ -36,7 +36,6 @@ class GroupContactsActivity : SimpleActivity(), RemoveFromGroupListener, Refresh
     override fun onCreate(savedInstanceState: Bundle?) {
         isMaterialActivity = true
         super.onCreate(savedInstanceState)
-        binding = ActivityGroupContactsBinding.inflate(layoutInflater)
         setContentView(binding.root)
         updateTextColors(binding.groupContactsCoordinator)
         setupOptionsMenu()

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/InsertOrEditContactActivity.kt

@@ -33,7 +33,7 @@ class InsertOrEditContactActivity : SimpleActivity(), RefreshContactsListener {
 
     private var isSelectContactIntent = false
     private var specialMimeType: String? = null
-    private lateinit var binding: ActivityInsertEditContactBinding
+    private val binding: ActivityInsertEditContactBinding by viewBinding(ActivityInsertEditContactBinding::inflate)
 
     private val contactsFavoritesList = arrayListOf(
         TAB_CONTACTS,

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/MainActivity.kt

@@ -61,11 +61,10 @@ class MainActivity : SimpleActivity(), RefreshContactsListener {
     private var storedStartNameWithSurname = false
     private var storedFontSize = 0
     private var storedShowTabs = 0
-    private lateinit var binding: ActivityMainBinding
+    private val binding: ActivityMainBinding by viewBinding(ActivityMainBinding::inflate)
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
         appLaunched(BuildConfig.APPLICATION_ID)
         setupOptionsMenu()

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/SettingsActivity.kt

@@ -18,12 +18,11 @@ import kotlin.system.exitProcess
 
 class SettingsActivity : SimpleActivity() {
 
-    private lateinit var binding: ActivitySettingsBinding
+    private val binding: ActivitySettingsBinding by viewBinding(ActivitySettingsBinding::inflate)
 
     override fun onCreate(savedInstanceState: Bundle?) {
         isMaterialActivity = true
         super.onCreate(savedInstanceState)
-        binding = ActivitySettingsBinding.inflate(layoutInflater)
         setContentView(binding.root)
         updateMaterialActivityViews(binding.settingsCoordinator, binding.settingsHolder, useTransparentNavigation = true, useTopSearchMenu = false)
         setupMaterialScrollListener(binding.settingsNestedScrollview, binding.settingsToolbar)

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/ViewContactActivity.kt

@@ -42,7 +42,7 @@ class ViewContactActivity : ContactActivity() {
     private var fullContact: Contact? = null    // contact with all fields filled from duplicates
     private var duplicateInitialized = false
     private val mergeDuplicate: Boolean get() = config.mergeDuplicateContacts
-    private lateinit var binding: ActivityViewContactBinding
+    private val binding: ActivityViewContactBinding by viewBinding(ActivityViewContactBinding::inflate)
 
     companion object {
         private const val COMPARABLE_PHONE_NUMBER_LENGTH = 9
@@ -51,7 +51,6 @@ class ViewContactActivity : ContactActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         showTransparentTop = true
         super.onCreate(savedInstanceState)
-        binding = ActivityViewContactBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
         if (checkAppSideloading()) {

app/src/main/kotlin/com/simplemobiletools/contacts/pro/fragments/FavoritesFragment.kt

@@ -27,7 +27,7 @@ import com.simplemobiletools.contacts.pro.interfaces.RefreshContactsListener
 class FavoritesFragment(context: Context, attributeSet: AttributeSet) : MyViewPagerFragment<MyViewPagerFragment.LetterLayout>(context, attributeSet) {
     private var favouriteContacts = listOf<Contact>()
     private var zoomListener: MyRecyclerView.MyZoomListener? = null
-    lateinit var binding: FragmentFavoritesBinding
+    private lateinit var binding: FragmentFavoritesBinding
 
     override fun onFinishInflate() {
         super.onFinishInflate()