refact(Android): unify member-field naming convention in Kotlin

android/src/main/java/com/swmansion/rnscreens/CustomSearchView.kt

@@ -13,17 +13,17 @@ class CustomSearchView(context: Context, fragment: Fragment) : SearchView(contex
         setOnSearchClickListener - https://developer.android.com/reference/android/widget/SearchView#setOnSearchClickListener(android.view.View.OnClickListener)
         setOnCloseListener - https://developer.android.com/reference/android/widget/SearchView#setOnCloseListener(android.widget.SearchView.OnCloseListener)
     */
-    private var mCustomOnCloseListener: OnCloseListener? = null
-    private var mCustomOnSearchClickedListener: OnClickListener? = null
+    private var onCloseListener: OnCloseListener? = null
+    private var onSearchClickedListener: OnClickListener? = null
 
-    private var mOnBackPressedCallback: OnBackPressedCallback =
+    private var onBackPressedCallback: OnBackPressedCallback =
         object : OnBackPressedCallback(true) {
             override fun handleOnBackPressed() {
                 isIconified = true
             }
         }
 
-    private val backPressOverrider = FragmentBackPressOverrider(fragment, mOnBackPressedCallback)
+    private val backPressOverrider = FragmentBackPressOverrider(fragment, onBackPressedCallback)
 
     var overrideBackAction: Boolean
         set(value) {
@@ -46,11 +46,11 @@ class CustomSearchView(context: Context, fragment: Fragment) : SearchView(contex
     }
 
     override fun setOnCloseListener(listener: OnCloseListener?) {
-        mCustomOnCloseListener = listener
+        onCloseListener = listener
     }
 
     override fun setOnSearchClickListener(listener: OnClickListener?) {
-        mCustomOnSearchClickedListener = listener
+        onSearchClickedListener = listener
     }
 
     override fun onAttachedToWindow() {
@@ -67,12 +67,12 @@ class CustomSearchView(context: Context, fragment: Fragment) : SearchView(contex
 
     init {
         super.setOnSearchClickListener { v ->
-            mCustomOnSearchClickedListener?.onClick(v)
+            onSearchClickedListener?.onClick(v)
             backPressOverrider.maybeAddBackCallback()
         }
 
         super.setOnCloseListener {
-            val result = mCustomOnCloseListener?.onClose() ?: false
+            val result = onCloseListener?.onClose() ?: false
             backPressOverrider.removeBackCallbackIfAdded()
             result
         }

android/src/main/java/com/swmansion/rnscreens/FragmentBackPressOverrider.kt

@@ -5,25 +5,25 @@ import androidx.fragment.app.Fragment
 
 class FragmentBackPressOverrider(
     private val fragment: Fragment,
-    private val mOnBackPressedCallback: OnBackPressedCallback
+    private val onBackPressedCallback: OnBackPressedCallback
 ) {
-    private var mIsBackCallbackAdded: Boolean = false
+    private var isCallbackAdded: Boolean = false
     var overrideBackAction: Boolean = true
 
     fun maybeAddBackCallback() {
-        if (!mIsBackCallbackAdded && overrideBackAction) {
+        if (!isCallbackAdded && overrideBackAction) {
             fragment.activity?.onBackPressedDispatcher?.addCallback(
                 fragment,
-                mOnBackPressedCallback
+                onBackPressedCallback
             )
-            mIsBackCallbackAdded = true
+            isCallbackAdded = true
         }
     }
 
     fun removeBackCallbackIfAdded() {
-        if (mIsBackCallbackAdded) {
-            mOnBackPressedCallback.remove()
-            mIsBackCallbackAdded = false
+        if (isCallbackAdded) {
+            onBackPressedCallback.remove()
+            isCallbackAdded = false
         }
     }
 }

android/src/main/java/com/swmansion/rnscreens/Screen.kt

@@ -19,29 +19,22 @@ import com.facebook.react.uimanager.UIManagerModule
 import com.swmansion.rnscreens.events.HeaderHeightChangeEvent
 
 @SuppressLint("ViewConstructor")
-class Screen constructor(context: ReactContext?) : FabricEnabledViewGroup(context) {
+class Screen(context: ReactContext?) : FabricEnabledViewGroup(context) {
     val fragment: Fragment?
         get() = fragmentWrapper?.fragment
 
     var fragmentWrapper: ScreenFragmentWrapper? = null
     var container: ScreenContainer? = null
     var activityState: ActivityState? = null
         private set
-    private var mTransitioning = false
+    private var isTransitioning = false
     var stackPresentation = StackPresentation.PUSH
     var replaceAnimation = ReplaceAnimation.POP
     var stackAnimation = StackAnimation.DEFAULT
     var isGestureEnabled = true
     var screenOrientation: Int? = null
         private set
-    private var mStatusBarStyle: String? = null
-    private var mStatusBarHidden: Boolean? = null
-    private var mStatusBarTranslucent: Boolean? = null
-    private var mStatusBarColor: Int? = null
-    private var mNavigationBarColor: Int? = null
-    private var mNavigationBarHidden: Boolean? = null
     var isStatusBarAnimated: Boolean? = null
-    private var mNativeBackButtonDismissalEnabled = true
 
     init {
         // we set layout params as WindowManager.LayoutParams to workaround the issue with TextInputs
@@ -102,10 +95,10 @@ class Screen constructor(context: ReactContext?) : FabricEnabledViewGroup(contex
      * container when transitioning is detected and turned off immediately after
      */
     fun setTransitioning(transitioning: Boolean) {
-        if (mTransitioning == transitioning) {
+        if (isTransitioning == transitioning) {
             return
         }
-        mTransitioning = transitioning
+        isTransitioning = transitioning
         val isWebViewInScreen = hasWebView(this)
         if (isWebViewInScreen && layerType != LAYER_TYPE_HARDWARE) {
             return
@@ -169,33 +162,30 @@ class Screen constructor(context: ReactContext?) : FabricEnabledViewGroup(contex
         this.headerConfig?.toolbar?.importantForAccessibility = mode
     }
 
-    var statusBarStyle: String?
-        get() = mStatusBarStyle
+    var statusBarStyle: String? = null
         set(statusBarStyle) {
             if (statusBarStyle != null) {
                 ScreenWindowTraits.applyDidSetStatusBarAppearance()
             }
-            mStatusBarStyle = statusBarStyle
+            field = statusBarStyle
             fragmentWrapper?.let { ScreenWindowTraits.setStyle(this, it.tryGetActivity(), it.tryGetContext()) }
         }
 
-    var isStatusBarHidden: Boolean?
-        get() = mStatusBarHidden
+    var isStatusBarHidden: Boolean? = null
         set(statusBarHidden) {
             if (statusBarHidden != null) {
                 ScreenWindowTraits.applyDidSetStatusBarAppearance()
             }
-            mStatusBarHidden = statusBarHidden
+            field = statusBarHidden
             fragmentWrapper?.let { ScreenWindowTraits.setHidden(this, it.tryGetActivity()) }
         }
 
-    var isStatusBarTranslucent: Boolean?
-        get() = mStatusBarTranslucent
+    var isStatusBarTranslucent: Boolean? = null
         set(statusBarTranslucent) {
             if (statusBarTranslucent != null) {
                 ScreenWindowTraits.applyDidSetStatusBarAppearance()
             }
-            mStatusBarTranslucent = statusBarTranslucent
+            field = statusBarTranslucent
             fragmentWrapper?.let {
                 ScreenWindowTraits.setTranslucent(
                     this,
@@ -205,33 +195,30 @@ class Screen constructor(context: ReactContext?) : FabricEnabledViewGroup(contex
             }
         }
 
-    var statusBarColor: Int?
-        get() = mStatusBarColor
+    var statusBarColor: Int? = null
         set(statusBarColor) {
             if (statusBarColor != null) {
                 ScreenWindowTraits.applyDidSetStatusBarAppearance()
             }
-            mStatusBarColor = statusBarColor
+            field = statusBarColor
             fragmentWrapper?.let { ScreenWindowTraits.setColor(this, it.tryGetActivity(), it.tryGetContext()) }
         }
 
-    var navigationBarColor: Int?
-        get() = mNavigationBarColor
+    var navigationBarColor: Int? = null
         set(navigationBarColor) {
             if (navigationBarColor != null) {
                 ScreenWindowTraits.applyDidSetNavigationBarAppearance()
             }
-            mNavigationBarColor = navigationBarColor
+            field = navigationBarColor
             fragmentWrapper?.let { ScreenWindowTraits.setNavigationBarColor(this, it.tryGetActivity()) }
         }
 
-    var isNavigationBarHidden: Boolean?
-        get() = mNavigationBarHidden
+    var isNavigationBarHidden: Boolean? = null
         set(navigationBarHidden) {
             if (navigationBarHidden != null) {
                 ScreenWindowTraits.applyDidSetNavigationBarAppearance()
             }
-            mNavigationBarHidden = navigationBarHidden
+            field = navigationBarHidden
             fragmentWrapper?.let {
                 ScreenWindowTraits.setNavigationBarHidden(
                     this,
@@ -240,11 +227,7 @@ class Screen constructor(context: ReactContext?) : FabricEnabledViewGroup(contex
             }
         }
 
-    var nativeBackButtonDismissalEnabled: Boolean
-        get() = mNativeBackButtonDismissalEnabled
-        set(enableNativeBackButtonDismissal) {
-            mNativeBackButtonDismissalEnabled = enableNativeBackButtonDismissal
-        }
+    var nativeBackButtonDismissalEnabled: Boolean = true
 
     private fun calculateHeaderHeight() {
         val actionBarTv = TypedValue()
@@ -253,7 +236,7 @@ class Screen constructor(context: ReactContext?) : FabricEnabledViewGroup(contex
         // Check if it's possible to get an attribute from theme context and assign a value from it.
         // Otherwise, the default value will be returned.
         val actionBarHeight = TypedValue.complexToDimensionPixelSize(actionBarTv.data, resources.displayMetrics)
-            .takeIf { resolvedActionBarSize && headerConfig?.mIsHidden != true }
+            .takeIf { resolvedActionBarSize && headerConfig?.isHeaderHidden != true }
             ?.let { PixelUtil.toDIPFromPixel(it.toFloat()).toDouble() } ?: 0.0
 
         val statusBarHeight = context.resources.getIdentifier("status_bar_height", "dimen", "android")