Kotlinify DoubleTapReloadRecognizer (facebook#43862)

Summary:
Pull Request resolved: facebook#43862

Changelog: [Internal]

As part of the Sustainability Week (see [post](https://fb.workplace.com/groups/251759413609061/permalink/742797531171911/)).

Reviewed By: andrewdacenko

Differential Revision: D55747942

fbshipit-source-id: 07376f5ca2790d1656903cd03705f32c2050a589

Author: fabriziocucci

packages/react-native/ReactAndroid/api/ReactAndroid.api

@@ -2161,9 +2161,9 @@ public abstract interface class com/facebook/react/devsupport/DevSupportManagerF
 	public abstract fun create (Landroid/content/Context;Lcom/facebook/react/devsupport/ReactInstanceDevHelper;Ljava/lang/String;ZLcom/facebook/react/devsupport/interfaces/RedBoxHandler;Lcom/facebook/react/devsupport/interfaces/DevBundleDownloadListener;ILjava/util/Map;Lcom/facebook/react/common/SurfaceDelegateFactory;Lcom/facebook/react/devsupport/interfaces/DevLoadingViewManager;)Lcom/facebook/react/devsupport/interfaces/DevSupportManager;
 }
 
-public class com/facebook/react/devsupport/DoubleTapReloadRecognizer {
+public final class com/facebook/react/devsupport/DoubleTapReloadRecognizer {
 	public fun <init> ()V
-	public fun didDoubleTapR (ILandroid/view/View;)Z
+	public final fun didDoubleTapR (ILandroid/view/View;)Z
 }
 
 public abstract interface class com/facebook/react/devsupport/HMRClient : com/facebook/react/bridge/JavaScriptModule {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/DoubleTapReloadRecognizer.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.devsupport
+
+import android.os.Handler
+import android.os.Looper
+import android.view.KeyEvent
+import android.view.View
+import android.widget.EditText
+
+/**
+ * A class allows recognizing double key tap of "R", used to reload JS in [AbstractReactActivity],
+ * [RedBoxDialogSurfaceDelegate] and [ReactActivity].
+ */
+public class DoubleTapReloadRecognizer {
+  private var doRefresh = false
+
+  public fun didDoubleTapR(keyCode: Int, view: View): Boolean {
+    if (keyCode == KeyEvent.KEYCODE_R && view !is EditText) {
+      if (doRefresh) {
+        doRefresh = false
+        return true
+      } else {
+        doRefresh = true
+        Handler(Looper.getMainLooper()).postDelayed({ doRefresh = false }, DOUBLE_TAP_DELAY)
+      }
+    }
+    return false
+  }
+
+  private companion object {
+    private const val DOUBLE_TAP_DELAY: Long = 200
+  }
+}