Use deterministic gradle version in docker, not checked in (#233)

* Put gradle in docker

* Work with Android Studio

* Remove old script

Author: MaitreyaBuddha

.gitignore

@@ -178,6 +178,7 @@ captures/
 # Gradle:
 .idea/**/gradle.xml
 .idea/**/libraries
+gradle*
 
 
 ## CUSTOM

Makefile

@@ -15,7 +15,7 @@ clean-local-properties:
 	rm -f local.properties
 
 sdk: clean-local-properties
-	./gradlew clean assembleDebug testDebugUnitTest --info
+	gradle clean assembleDebug testDebugUnitTest --info
 
 sdk-in-container:
 	${DOCKER_RUN} make sdk

README.md

@@ -20,7 +20,7 @@ Please refer to: https://www.leanplum.com/docs/android/setup
 ## Build the SDK
 To build the sdk run:
 ```bash
-./build.sh
+make sdk-in-container
 ```
 ## Contributing
 Please follow the Conventional Changelog Commit Style and send a pull request to `develop` branch.

Tools/jenkins/build.dockerfile

@@ -1,16 +1,36 @@
 FROM jangrewe/gitlab-ci-android
 
-ARG emulator_platform=android-26
-ARG system_image="system-images;${emulator_platform};google_apis;x86"
-ARG platform_image="platforms;${emulator_platform}"
-
+################################ Tools Installation ################################
 RUN apt-get update && \
   apt-get install -y --no-install-recommends \
   nodejs=6.11.4~dfsg-1ubuntu1 \
   build-essential \
   && rm -rf /var/lib/apt/lists/*
 
+################################ Gradle Installation ################################
+# Allow the host to use gradle cache, otherwise gradle will always download plugins & artifacts.
+VOLUME ["/root/.gradle/caches/"]
+
+ARG GRADLE_VERSION=4.10
+ARG GRADLE_ZIP=gradle-${GRADLE_VERSION}-bin.zip
+RUN cd /usr/local && \
+    curl -L https://services.gradle.org/distributions/${GRADLE_ZIP} -o ${GRADLE_ZIP} && \
+    unzip ${GRADLE_ZIP} && \
+    rm ${GRADLE_ZIP}
+
+# Export gradle environment variables.
+ENV GRADLE_HOME=/usr/local/gradle-${GRADLE_VERSION}
+ENV PATH=$PATH:$GRADLE_HOME/bin
+
+########################### Android Emulator Installation ###########################
+ARG emulator_platform=android-26
+ARG system_image="system-images;${emulator_platform};google_apis;x86"
+ARG platform_image="platforms;${emulator_platform}"
+
 ENV PATH="$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools:$ANDROID_HOME/tools/bin"
 
 RUN sdkmanager emulator tools platform-tools ${platform_image} ${system_image} --verbose && \
   echo no | avdmanager create avd -n "device1" --package ${system_image} --tag google_apis
+
+################################
+CMD ["bash"]

build.gradle

@@ -7,7 +7,7 @@ buildscript {
     }
     dependencies {
         classpath 'org.jfrog.buildinfo:build-info-extractor-gradle:4.4.12'
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.1.4'
     }
 }
 

build.sh

@@ -1,7 +1,7 @@
 // Export methods by turning them into closures
 ext {
     COMPILE_SDK_VERSION = 27
-    BUILD_TOOLS_VERSION = '27.0.2'
+    BUILD_TOOLS_VERSION = '27.0.3'
     SUPPORT_LIBRARY_VERSION = '27.0.2'
 
     LEANPLUM_GROUP_ID = 'com.leanplum'