introduce Travis CI

.travis.yml

@@ -0,0 +1,53 @@
+language: android
+
+branches:
+  only:
+    - master
+
+sudo: true
+
+jdk:
+  - oraclejdk8
+
+dist : trusty  # otherwise you run into /home/travis/.travis/functions: line 104: sdkmanager: command not found
+
+env:
+  - TERM=dumb
+
+global:
+  - PATH=$ANDROID_HOME:$ANDROID_HOME/platform-tools:$PATH
+
+android:
+  components:
+    - tools
+    - platform-tools
+    - android-27
+
+install:
+  - echo $ANDROID_HOME # We assume this is correctly set when setting path
+  - sdkmanager --list || true # Look at the packages
+  - echo yes | sdkmanager "tools" # Ensure tools is updated
+  - echo y | sdkmanager 'ndk-bundle' 1>/dev/null
+  - echo y | sdkmanager 'cmake;3.6.4111459' 1>/dev/null
+  - echo y | sdkmanager 'lldb;3.0' 1>/dev/null
+
+before_script:
+  - wget --quiet https://dl.google.com/android/repository/android-ndk-r15c-linux-x86_64.zip
+  - unzip -q android-ndk-r15c-linux-x86_64.zip
+  - export ANDROID_NDK_ROOT=`pwd`/android-ndk-r15c
+  - PATH=${PATH}:$ANDROID_NDK_ROOT
+
+script:
+  - set -o pipefail
+  - make init
+  - make build-release
+  - set +o pipefail
+
+before_cache:
+  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/

Makefile

@@ -19,12 +19,12 @@ check:
 	$(GRADLE) check
 
 build-debug: check
-	$(GRADLE) android-database-sqlcipher:bundleDebugAar \
-	-PdebugBuild=true
+	TERM=dumb $(GRADLE) android-database-sqlcipher:bundleDebugAar \
+	-PdebugBuild=true --stacktrace
 
 build-release: check
 	$(GRADLE) android-database-sqlcipher:bundleReleaseAar \
-	-PdebugBuild=false
+	-PdebugBuild=false --stacktrace
 
 publish-local-snapshot:
 	@ $(collect-signing-info) \