Complete the MainActivity kt and MyAdapter kt code given below. Use the same id given in the umb file overxide fun oncreateviewHotder (porent: Viewsroup, vientype: incri Wiviewtolder i override fun getitemCount(): overxide fun onBindViewHolder (holder: MyViewHoldor, positions Int) I Q1ass MainActivity : AppCompatActivity() ( "piano", "Violin", "Guitax", "Mandolin") val inatrumenta " i.istof ("Trumpet", "Piano", "Yiolin", "Guitax", "Mandolin", "Magenta", "Black", "Blue") val countries = Iistot' "Saudi Arabia", "Bahrain'" "'und ( overxide fun oncreate (oavedinstancestate: super.micteate (savedmbtancestater matin) val btnhoadcats Button = findVlewById (R. id, bentuadcac) btnioadcat. getonc1ickbistener ( loadcategory () ) private fun loadCategory().