Merge pull request #3 from CloudyPadmal/master

chore: upgraded vesions in travis script

Author: mariobehling

.travis.yml

@@ -8,8 +8,8 @@ android:
   components:
     - tools
     - platform-tools
-    - android-27
-    - build-tools-27.0.3
+    - android-28
+    - build-tools-28.0.3
 
 before_cache:
   - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
@@ -22,7 +22,7 @@ cache:
   - "$HOME/.gradle/wrapper/"
 
 install:
-    - echo yes | ${ANDROID_HOME}/tools/bin/sdkmanager "platforms;android-27"
+    - echo yes | ${ANDROID_HOME}/tools/bin/sdkmanager "platforms;android-28"
 
 script:
   - 'if [ "$TRAVIS_BRANCH" != "apk" ]; then ./gradlew build --stacktrace; fi'

app/build.gradle

@@ -3,6 +3,7 @@ apply plugin: 'com.android.application'
 android {
 
     compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
 
     defaultConfig {
         applicationId "io.neurolab"