commented leaderboard code

app/src/main/java/org/hackillinois/android/repository/LeaderboardRepository.kt

@@ -14,6 +14,7 @@ class LeaderboardRepository {
 
     fun fetchLeaderboard(): LiveData<List<Leaderboard>> {
         Log.d("Leaderboard call", "fetchleaderboard")
+        // 'refreshAll()' coroutine is called only when leaderboard button on bottom app bar clicked
         refreshAll()
         val lb = leaderboardDao.getLeaderboard()
         Log.d("LEADERBOARD CALL", lb.value.toString())

app/src/main/java/org/hackillinois/android/view/leaderboard/LeaderboardAdapter.kt

@@ -15,7 +15,8 @@ class LeaderboardAdapter(private var itemList: List<Leaderboard>) :
     private lateinit var context: Context
 
     inner class ViewHolder(parent: View) : RecyclerView.ViewHolder(parent)
-
+    // onCreateViewHolder used to display scrollable list of items
+        // implemented as part of RecyclerView's adapter, responsible for creating new ViewHolder objects
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
 //        Log.d("Creating recyclerview", "")
         val layoutResource = R.layout.leaderboard_tile
@@ -26,27 +27,32 @@ class LeaderboardAdapter(private var itemList: List<Leaderboard>) :
     }
 
     override fun getItemCount() = itemList.size
-
+    // onBindViewHolder called when ViewHolder needs to be filled with data
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val item = itemList[position]
         // position is zero-indexed but we want the leaderboard to start at 1
+        // populating views within ViewHolder with data from 'item'
         bind(item, holder.itemView, position + 1)
     }
 
+    // bind used to update views within a ViewHolder in a RecyclerView that displays a leaderboard
     private fun bind(item: Leaderboard, itemView: View, position: Int) {
         itemView.apply {
+            // sets text of a TextView (rankTextView) to the 'position' value converted to a string
+            // used to display the rank of the item in the leaderboard
             rankTextView.text = position.toString()
+            // used to display discord username
             discordTextView.text = item.discord
             val pointNum = item.points
             pointsTextView.text = resources.getQuantityString(R.plurals.leaderboard_points_view, pointNum, pointNum)
 
-            if (position == 1) {
+            if (position == 1) { // first position
                 leaderboardCardView.setBackgroundResource(R.drawable.leaderboard_2023_top_bg)
-            } else if (position == 10) {
+            } else if (position == 10) { // last position
                 leaderboardCardView.setBackgroundResource(R.drawable.leaderboard_2023_bottom_bg)
-            } else if (position % 2 == 1) {
+            } else if (position % 2 == 1) { // odd position
                 leaderboardCardView.setBackgroundColor(ContextCompat.getColor(context, R.color.cloudMist))
-            } else {
+            } else { // even position
                 leaderboardCardView.setBackgroundColor(ContextCompat.getColor(context, R.color.cloudMist))
             }
         }

app/src/main/java/org/hackillinois/android/viewmodel/LeaderboardViewModel.kt

@@ -1,5 +1,6 @@
 package org.hackillinois.android.viewmodel
 
+import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.ViewModel
 import org.hackillinois.android.database.entity.Leaderboard
@@ -12,5 +13,6 @@ class LeaderboardViewModel : ViewModel() {
 
     fun init() {
         leaderboardLiveData = leaderboardRepository.fetchLeaderboard()
+
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Mon Jan 27 12:34:14 CST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip