Update Kotlin and android dependencies

Author: vincenzopalazzo

app/build.gradle

@@ -42,19 +42,19 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.core:core-ktx:1.2.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.core:core-ktx:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.preference:preference-ktx:1.1.1'
     implementation 'org.tukaani:xz:1.8'
-    implementation 'org.apache.commons:commons-compress:1.19'
+    implementation 'org.apache.commons:commons-compress:1.20'
     implementation 'com.google.zxing:core:3.4.0'
     implementation 'me.dm7.barcodescanner:zxing:1.9.13'
-    implementation 'com.google.android.material:material:1.1.0'
+    implementation 'com.google.android.material:material:1.3.0'
     implementation "org.jetbrains.anko:anko-commons:0.10.4"
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
 
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 }

app/src/main/java/com/lvaccaro/lamp/views/PowerImageView.kt

@@ -10,9 +10,9 @@ class PowerImageView: AppCompatImageView {
 
     private var light = false
 
-    constructor(context: Context?): super(context)
-    constructor(context: Context?, attrs: AttributeSet?): super(context, attrs)
-    constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+    constructor(context: Context?): super(context!!)
+    constructor(context: Context?, attrs: AttributeSet?): super(context!!, attrs)
+    constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int) : super(context!!, attrs, defStyleAttr)
 
     fun on() {
         light = true

build.gradle

@@ -1,14 +1,14 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.4.31'
     repositories {
         google()
         jcenter()
 
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:4.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip