Update project and dependencies

app/build.gradle

@@ -1,33 +1,31 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.3"
+    compileSdkVersion 28
+    buildToolsVersion '28.0.2'
 
     defaultConfig {
-        applicationId "org.traccar.manager"
+        applicationId 'org.traccar.manager'
         minSdkVersion 19
-        targetSdkVersion 27
-        versionCode 15
-        versionName "2.5"
+        targetSdkVersion 28
+        versionCode 16
+        versionName '2.6'
     }
 
-    flavorDimensions "default"
+    flavorDimensions 'default'
     productFlavors {
         regular
         google
     }
 }
 
 dependencies {
-    compile 'com.android.support:design:27.1.0'
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.robolectric:robolectric:3.6.1'
-    googleCompile 'com.google.firebase:firebase-core:11.8.0'
-    googleCompile 'com.crashlytics.sdk.android:crashlytics:2.9.1'
+    compile 'com.android.support:design:28.0.0-rc01'
+    googleCompile 'com.google.firebase:firebase-core:16.0.1'
+    googleCompile 'com.crashlytics.sdk.android:crashlytics:2.9.4'
 }
 
-if (getGradle().getStartParameter().getTaskRequests().toString().contains("Google")) {
+if (getGradle().getStartParameter().getTaskRequests().toString().contains('Google')) {
     apply plugin: 'com.google.gms.google-services'
     apply plugin: 'io.fabric'
 

app/src/main/res/xml/network_security_config.xml

@@ -1,9 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config>
-    <base-config cleartextTrafficPermitted="true">
-        <trust-anchors>
-            <certificates src="system" />
-            <certificates src="user" />
-        </trust-anchors>
-    </base-config>
+    <base-config cleartextTrafficPermitted="true" />
 </network-security-config>

build.gradle

@@ -5,16 +5,15 @@ buildscript {
         maven { url 'https://maven.fabric.io/public' }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
-        classpath 'com.google.gms:google-services:3.1.1'
-        classpath 'io.fabric.tools:gradle:1.25.1'
+        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.google.gms:google-services:4.0.2'
+        classpath 'io.fabric.tools:gradle:1.25.4'
     }
 }
 
 allprojects {
     repositories {
         google()
         jcenter()
-        maven { url 'https://maven.fabric.io/public' }
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.5.1-all.zip