Added Launcher Screen(Menu) to the App

app/src/main/AndroidManifest.xml

@@ -9,13 +9,16 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.CrossFire">
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".LauncherActivity"
+            android:exported="true" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".MainActivity"/>
     </application>
 
 </manifest>

app/src/main/java/com/krsolutions/crossFire/LauncherActivity.kt

@@ -0,0 +1,27 @@
+package com.krsolutions.crossFire
+
+import android.app.Activity
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Button
+import androidx.core.app.ActivityCompat
+
+class LauncherActivity : AppCompatActivity() {
+    lateinit var btnPlay:Button
+    lateinit var btnExit:Button
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_launcher)
+        btnPlay=findViewById(R.id.btnPlay)
+        btnExit=findViewById(R.id.btnExit)
+        btnPlay.setOnClickListener {
+        val intent=Intent(this@LauncherActivity,MainActivity::class.java)
+            intent.flags = Intent.FLAG_ACTIVITY_SINGLE_TOP
+            startActivity(intent)
+        }
+        btnExit.setOnClickListener {
+            ActivityCompat.finishAffinity(this@LauncherActivity)
+        }
+    }
+}

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

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/txtAppName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_above="@+id/btnPlay"
+        android:layout_centerHorizontal="true"
+        android:layout_margin="10dp"
+        android:padding="6dp"
+        android:text="@string/crossfire"
+        android:textSize="50sp" />
+
+    <android.widget.Button
+        android:id="@+id/btnPlay"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:layout_margin="10dp"
+        android:background="@color/white"
+        android:padding="6dp"
+        android:text="@string/play"
+        android:textSize="22sp"
+        android:elevation="10dp"/>
+    <android.widget.Button
+        android:id="@+id/btnExit"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/btnPlay"
+        android:layout_margin="10dp"
+        android:background="@color/white"
+        android:padding="6dp"
+        android:text="@string/exit"
+        android:textSize="22sp"
+        android:elevation="10dp"/>
+
+
+</RelativeLayout>

app/src/main/res/values/strings.xml

@@ -1,3 +1,6 @@
 <resources>
     <string name="app_name">CrossFire</string>
+    <string name="crossfire">CrossFire ❌🔥</string>
+    <string name="play">PLAY</string>
+    <string name="exit">EXIT</string>
 </resources>

build.gradle

@@ -7,7 +7,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:4.1.1"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.30"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files