per Test

.gitignore

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+# Built application files
+*.apk
+*.aar
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/

.travis.yml

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+language: android
+jdk: oraclejdk8
+
+env:
+  global:
+    - ANDROID_TARGET=android-22
+    - ANDROID_ABI=armeabi-v7a
+
+android:
+  components:
+    # Uncomment the lines below if you want to
+    # use the latest revision of Android SDK Tools
+    - tools
+    - platform-tools
+
+    # The BuildTools version used by your project
+    - build-tools-23.0.3
+
+    # The SDK version used to compile your project
+    # TODO: why is this here explicitly in addition to $ANDROID_TARGET below
+    - android-23
+
+    # Additional components
+    - extra-google-google_play_services
+    - extra-google-m2repository
+    - extra-android-m2repository
+
+    # The SDK version used to compile your project
+    - $ANDROID_TARGET
+
+    # Specify at least one system image,
+    # if you need to run emulator(s) during your tests.
+    # The line should look like this after interpolation:
+    # - sys-img-armeabi-v7a-android-22
+    - sys-img-${ANDROID_ABI}-${ANDROID_TARGET}
+
+licenses:
+    - 'android-sdk-license-.+'
+
+before_install:
+  # Accept sdk licenses
+  - yes | sdkmanager "platforms;android-29"
+
+  # Get gradle
+  - chmod +x gradlew
+  - wget https://services.gradle.org/distributions/gradle-5.3-bin.zip
+  - unzip -qq gradle-5.3-bin.zip
+  - export GRADLE_HOME=$PWD/gradle-5.3
+  - export PATH=$GRADLE_HOME/bin:$PATH
+
+  # Build the project
+  - gradle -v
+
+  # Start the emulator
+  - echo no | android create avd --force -n test -t $ANDROID_TARGET --abi $ANDROID_ABI
+  - emulator -avd test -no-skin -no-audio -no-window &
+  - android-wait-for-emulator
+  - adb shell input keyevent 82 &
+
+  # The app will now automatically be installed and tested via
+  # the command `gradle connectedCheck`