aggiunti file per travis

.travis.yml

@@ -0,0 +1,25 @@
+sudo: false
+language: android
+jdk: oraclejdk8
+android:
+  components:
+  - platform-tools
+  - tools
+  - build-tools-25.0.2
+  - android-23
+before_install:
+- chmod +x gradlew
+- echo y | android update sdk --no-ui --all --filter "tool,extra-android-m2repository,extra-android-support,extra-google-google_play_services,extra-google-m2repository"
+- echo y | $ANDROID_HOME/tools/bin/sdkmanager "extras;m2repository;com;android;support;constraint;constraint-layout-solver;1.0.2"
+script:
+- ./gradlew clean assembleRelease
+after_success:
+- sh set_tags.sh
+before_cache:
+- rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+cache:
+  directories:
+  - $HOME/.m2
+  - $HOME/.gradle
+  - $HOME/.gradle/caches/
+  - $HOME/.gradle/wrapper/

set_tags.sh

@@ -0,0 +1,19 @@
+BRANCH="master"
+
+if [ "$TRAVIS_BRANCH" = "$BRANCH" ]; then
+  if [ "$TRAVIS_PULL_REQUEST" = false ]; then
+  	if [ -z "$TRAVIS_TAG" ]; then
+	    echo -e "Starting to tag commit.\n"
+
+	    git config --global user.email "[email protected]"
+	    git config --global user.name "Travis"
+
+	    # Add tag and push to master.
+	    git tag -a v1.0.${TRAVIS_BUILD_NUMBER} -m "Travis build $TRAVIS_BUILD_NUMBER pushed a tag."
+	    git push origin --tags
+	    git fetch origin
+
+	    echo -e "Done magic with tags.\n"
+	fi
+  fi
+fi