Travis issue (#530)

fixed travis issue with kotlin

android_app/app/build.gradle

@@ -73,7 +73,8 @@ dependencies {
     // CustomActivityOnCrash
     implementation 'cat.ereza:customactivityoncrash:2.2.0'
     // AppIntro
-    implementation 'com.github.AppIntro:AppIntro:5.1.0'
+    implementation 'com.github.AppIntro:AppIntro:6.0.0-alpha3'
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.3.50'
     // Room
     implementation 'androidx.room:room-runtime:2.2.3'
     annotationProcessor 'androidx.room:room-compiler:2.2.3'

android_app/app/src/main/java/com/health/openscale/gui/activities/AppIntroActivity.java

@@ -38,10 +38,8 @@ public class AppIntroActivity extends AppIntro {
         super.onCreate(savedInstanceState);
 
         setBarColor(getResources().getColor(R.color.blue_normal));
-        setWizardMode(true);
-        setBackButtonVisibilityWithDone(true);
 
-        showSkipButton(true);
+        setSkipButtonEnabled(true);
 
         addSlide(WelcomeIntroSlide.newInstance(R.layout.slide_welcome));
         addSlide(PrivacyIntroSlide.newInstance(R.layout.slide_privacy));
@@ -71,9 +69,11 @@ public class AppIntroActivity extends AppIntro {
         super.onSlideChanged(oldFragment, newFragment);
 
         if (newFragment instanceof WelcomeIntroSlide) {
-            showSkipButton(true);
+            setSkipButtonEnabled(true);
+            setWizardMode(false);
         } else {
-            showSkipButton(false);
+            setSkipButtonEnabled(false);
+            setWizardMode(true);
         }
     }
 

android_app/build.gradle

@@ -3,6 +3,7 @@ buildscript {
     repositories {
         google()
         jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.3'
@@ -14,5 +15,6 @@ allprojects {
         maven { url 'https://maven.google.com' }
         maven { url 'https://jitpack.io' }
         jcenter()
+        mavenCentral()
     }
 }