Upgraded AGP and kotlin version

app/src/main/java/io/plaidapp/ui/HomeViewModel.kt

@@ -197,7 +197,7 @@ class HomeViewModel(
             positions.add(i)
         }
 
-        val scrollToPosition = positions.max()
+        val scrollToPosition = positions.maxOrNull()
         return if (scrollToPosition == null) {
             null
         } else {

build.gradle

@@ -39,7 +39,7 @@ buildscript { scriptHandler ->
             'gson'               : '2.8.5',
             'jsoup'              : '1.11.3',
             'junit'              : '4.12',
-            'kotlin'             : '1.3.50',
+            'kotlin'             : '1.5.21',
             'ktlint'             : '0.36.0',
             'legacyCoreUtils'    : '1.0.0',
             'lifecycle'          : '2.2.0-alpha03',
@@ -60,7 +60,7 @@ buildscript { scriptHandler ->
     ]
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.1'
+        classpath 'com.android.tools.build:gradle:7.0.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}"
         classpath "com.google.gms:google-services:${versions.googleServices}"
         classpath "io.fabric.tools:gradle:${versions.fabric}"
@@ -82,6 +82,10 @@ subprojects {
         apply from: rootProject.file('repositories.gradle')
     }
 
+    repositories {
+        mavenCentral()
+    }
+
     apply plugin: 'com.diffplug.gradle.spotless'
     spotless {
         kotlin {

core/src/main/java/io/plaidapp/core/dribbble/data/api/ShotWeigher.kt

@@ -27,7 +27,7 @@ class ShotWeigher : PlaidItemSorting.PlaidItemGroupWeigher<Shot> {
 
     override fun weigh(shots: List<Shot>) {
         // We add 1 to the max so that weights don't 'overflow' into the next page range
-        val maxLikes = (shots.maxBy { it.likesCount }?.likesCount?.toFloat() ?: 0f) + 1f
+        val maxLikes = (shots.maxByOrNull { it.likesCount }?.likesCount?.toFloat() ?: 0f) + 1f
         shots.forEach { shot ->
             val weight = 1f - (shot.likesCount.toFloat() / maxLikes)
             shot.weight = shot.page + weight

designernews/build.gradle

@@ -61,6 +61,7 @@ dependencies {
     implementation "androidx.room:room-ktx:${versions.room}"
     implementation "com.android.support:customtabs:${versions.supportLibrary}"
     implementation "com.github.bumptech.glide:glide:${versions.glide}"
+    implementation "androidx.constraintlayout:constraintlayout:${versions.constraintLayout}"
 
     kapt "com.google.dagger:dagger-compiler:${versions.dagger}"
 }

dribbble/build.gradle

@@ -53,6 +53,7 @@ dependencies {
     implementation "com.android.support:customtabs:${versions.supportLibrary}"
     implementation "com.android.support:palette-v7:${versions.supportLibrary}"
     implementation "com.github.bumptech.glide:recyclerview-integration:${versions.glide}"
+    implementation "androidx.constraintlayout:constraintlayout:${versions.constraintLayout}"
 
     kapt "com.google.dagger:dagger-compiler:${versions.dagger}"
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

repositories.gradle

@@ -11,6 +11,7 @@ repositories {
             includeGroup "com.google.android.material"
             includeGroup "com.google.gms"
             includeGroup "zipflinger"
+            includeGroup "com.google.testing.platform"
         }
     }