Adding Greeting.kt

aarSample/src/main/java/com/example/aarsample/Greeting.kt

@@ -0,0 +1,15 @@
+package com.example.aarsample
+
+import android.app.Activity
+import android.content.Context
+import android.widget.Toast
+
+class Greeting {
+    fun generateGreetMessage(name: String): String {
+        return "Welcome $name"
+    }
+
+    fun showToast(mContext: Context, message: String) {
+        Toast.makeText(mContext, message, Toast.LENGTH_LONG).show()
+    }
+}