Add testing on travis.

.travis.yml

@@ -0,0 +1,39 @@
+env:
+  - NODE_ENV='test'
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+matrix:
+  include:
+    - language: objective-c
+      os: osx
+      xcode_sdk: iphonesimulator12.2
+      osx_image: xcode10.2
+      sudo: true
+      before_install:
+        - brew install node@10
+        - cd examples && make install # install node modules to get podfiles
+      install:
+        - cd ios && pod install && cd ..
+      script:
+        - make test-ios
+    - language: android
+      android:
+        components:
+          - tools
+          - platform-tools
+          - build-tools-28.0.3
+          - android-28
+      sudo: true
+      before_install:
+        - nvm install --lts
+      install: true
+      script:
+        - cd examples && make test-android
+    - language: node_js
+      node_js: lts/*
+      sudo: false
+      install:
+        - cd examples && npm ci
+      script: react-native bundle --entry-file index.js --bundle-output main.jsbundle

examples/Makefile

@@ -0,0 +1,16 @@
+all: test-ios
+install:
+	npm ci
+clean:
+	cd android && ./gradlew clean
+test-ios: install build-ios
+build-ios:
+	cd ios && xcodebuild clean build -scheme examples \
+		-workspace examples.xcworkspace \
+		-configuration Debug -sdk iphonesimulator \
+		CODE_SIGNING_REQUIRED=NO CODE_SIGN_IDENTITY=""
+test-android: install build-android
+build-android:
+	cd android && chmod +x ./gradlew && TERM=dumb ./gradlew assembleDebug --stacktrace
+.PHONY: all
+

examples/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

package-lock.json

@@ -1,5 +1,5 @@
 {
   "name": "react-native-fingerprint-scanner",
-  "version": "2.6.1",
+  "version": "3.0.0",
   "lockfileVersion": 1
 }