Android Studio 4.2 support.

src/musikdroid/app/build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
@@ -48,14 +48,14 @@ android {
 }
 
 repositories {
-    flatDir { dirs '../../3rdparty/bin/android/aar/' }
-    maven { url "https://jitpack.io" }
-    maven { url 'https://maven.google.com' }
+    google()
     mavenCentral()
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation files('../../3rdparty/bin/android/aar/android-taskrunner-0.5.aar')
+    implementation files('../../3rdparty/bin/android/aar/exoplayer-extension-flac-release-v2.aar')
+    implementation files('../../3rdparty/bin/android/aar/videocache-2.8.0-clangen-5.aar')
 
     androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0-alpha4', {
         exclude group: 'com.android.support', module: 'support-annotations'
@@ -65,21 +65,17 @@ dependencies {
     implementation 'com.google.firebase:firebase-core:18.0.3'
     implementation 'com.google.firebase:firebase-crashlytics:17.4.1'
 
-    implementation(name:'android-taskrunner-0.5', ext:'aar')
-    implementation(name:'exoplayer-extension-flac-release-v2', ext:'aar')
-    implementation(name:'videocache-2.8.0-clangen-5', ext:'aar')
-
     implementation 'org.slf4j:slf4j-android:1.7.21'
 
-    implementation "androidx.room:room-runtime:2.2.6"
-    kapt "androidx.room:room-compiler:2.2.6"
+    implementation "androidx.room:room-runtime:2.3.0"
+    kapt "androidx.room:room-compiler:2.3.0"
 
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.3.1"
     implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"
     implementation "androidx.lifecycle:lifecycle-common-java8:2.3.1"
 
     compileOnly 'org.glassfish:javax.annotation:10.0-b28'
-    implementation 'com.google.dagger:dagger:2.27'
+    implementation 'com.google.dagger:dagger:2.28.3'
     kapt 'com.google.dagger:dagger-compiler:2.27'
 
     implementation 'com.neovisionaries:nv-websocket-client:1.31'
@@ -97,8 +93,8 @@ dependencies {
 
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.recyclerview:recyclerview:1.2.0'
-    implementation 'com.google.android.material:material:1.4.0-alpha02'
-    implementation 'androidx.media:media:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0-beta01'
+    implementation 'androidx.media:media:1.3.1'
 
     testImplementation 'junit:junit:4.12'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

src/musikdroid/app/src/main/java/io/casey/musikcube/remote/ui/settings/activity/DiagnosticsActivity.kt

@@ -50,10 +50,10 @@ class DiagnosticsActivity: BaseActivity() {
             Duration.formatWithHours(SystemService.wakeLockTime))
         wakeAcquired.text = getString(
             R.string.diagnostics_wakelock_acquired,
-            SystemService.isWakeLockActive.toString().toLowerCase())
+            SystemService.isWakeLockActive.toString().lowercase())
         serviceState.text = getString(
             R.string.diagnostics_system_service,
-            SystemService.state.toString().toLowerCase())
+            SystemService.state.toString().lowercase())
     }
 
     private val refreshRunnable = object: Runnable {

src/musikdroid/app/src/main/java/io/casey/musikcube/remote/ui/shared/extension/Extensions.kt

@@ -456,7 +456,7 @@ fun createHttpClient(context: Context): OkHttpClient {
 
 fun InputStream.toFile(path: String, progress: ((Long) -> Unit)? = null): Boolean {
     try {
-        File(path).parentFile.mkdirs()
+        File(path).parentFile?.mkdirs()
         File(path).delete()
         FileOutputStream(path, false).use { out ->
             val reader = BufferedInputStream(this)

src/musikdroid/build.gradle

@@ -1,13 +1,13 @@
 buildscript {
-    ext.kotlin_version = '1.4.10'
+    ext.kotlin_version = '1.5.0'
 
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:4.2.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'com.google.gms:google-services:4.3.5'
         classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.2'
@@ -17,7 +17,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

src/musikdroid/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-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip