Update build tools.

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 29
-    buildToolsVersion '30.0.2'
+    buildToolsVersion '30.0.3'
 
     defaultConfig {
         applicationId "eparon.vhbb_android"
@@ -25,32 +25,31 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility = 1.8
-        targetCompatibility = 1.8
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 }
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
 
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation "androidx.recyclerview:recyclerview:1.1.0"
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation "androidx.recyclerview:recyclerview:1.2.0"
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.coordinatorlayout:coordinatorlayout:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
-    implementation 'androidx.navigation:navigation-fragment:2.3.2'
-    implementation 'androidx.navigation:navigation-ui:2.3.2'
+    implementation 'androidx.navigation:navigation-fragment:2.3.5'
+    implementation 'androidx.navigation:navigation-ui:2.3.5'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
     implementation 'androidx.preference:preference:1.1.1'
 
-    implementation 'com.google.android.material:material:1.2.1'
-    implementation 'com.android.volley:volley:1.1.1'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.android.volley:volley:1.2.0'
     implementation 'com.squareup.picasso:picasso:2.71828'
-    implementation 'jp.wasabeef:picasso-transformations:2.2.1'
+    implementation 'jp.wasabeef:picasso-transformations:2.4.0'
 
-    testImplementation 'junit:junit:4.13.1'
+    testImplementation 'junit:junit:4.13.2'
 
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
-
 }

build.gradle

@@ -2,10 +2,10 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:4.2.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,7 +15,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sun Aug 09 14:34:03 IDT 2020
+#Sat May 29 21:52:07 IDT 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip