Update build.gradle

Author: avraampiperidis

build.gradle

@@ -1,13 +1,16 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion '20.0.0'
-
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'
+    repositories {
+        jcenter()
+        google()
+    }
     defaultConfig {
-        minSdkVersion 10
-        targetSdkVersion 23
-        versionCode 1
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode 2
         versionName "1.0"
     }
     buildTypes {
@@ -16,16 +19,24 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
-
     testOptions {
         unitTests.returnDefaultValues = true
     }
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
-    androidTestCompile 'junit:junit:4.12'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'junit:junit:4.12'
+    implementation 'org.mockito:mockito-all:1.8.4'
+}
 
-    compile 'org.mockito:mockito-all:1.8.4'
+buildscript {
+    repositories {
+        jcenter()
+        google()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.3.1'
+    }
 }