Fix Issue #1769: produce version for x86_64 (#1892)

* Update Travis to show logcat after failure
* Update travis to build a single ABI: x86

.travis.yml

@@ -1,6 +1,10 @@
 language: android
 jdk: oraclejdk8
 sudo: true
+env:
+  global:
+  - ANDROID_API=android-19
+  - ANDROID_ABI=armeabi-v7a
 branches:
   only:
   - master
@@ -14,7 +18,7 @@ android:
     - android-28
     # Android Emulator image:
     - android-19
-    - sys-img-armeabi-v7a-android-19
+    - sys-img-${ANDROID_ABI}-${ANDROID_API}
 install:
   - echo y | sdkmanager "ndk-bundle"
   - echo y | sdkmanager "cmake;3.6.4111459"
@@ -23,12 +27,15 @@ before_script:
   # Export NDK HOME:
   - export ANDROID_NDK_HOME=$ANDROID_HOME/ndk-bundle
   # Start an emulator:
-  - echo no | android create avd --force -n test -t android-19 --abi armeabi-v7a
+  - echo no | android create avd --force -n test -t $ANDROID_API --abi $ANDROID_ABI
   - emulator -avd test -no-audio -no-window &
   - android-wait-for-emulator
   - adb shell input keyevent 82 &
+  - adb logcat > logcat.log 2>&1 &
 script:
   - touch local.properties
-  - ./gradlew buildCI --console=plain --info
+  - ./gradlew buildCI -PtargetAbis=$ANDROID_ABI --console=plain --info
 after_success:
   - ./gradlew coverageCI
+after_failure:
+  - cat logcat.log

android/CouchbaseLite/build.gradle

@@ -67,6 +67,11 @@ def getGitHash = { ->
     return stdout.toString().trim()
 }
 
+// defining this property in the file ~/.gradle/gradle.properties
+// can dramatically reduce your build time.
+def buildAbis = null
+if (hasProperty("targetAbis")) { buildAbis = targetAbis.split(',') }
+
 /**
  * The android block is where you configure all your Android-specific
  * build options.
@@ -83,7 +88,7 @@ android {
         project.archivesBaseName = "couchbase-lite-android-${versionName}"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
-        ndk { abiFilters 'x86', 'armeabi-v7a', 'arm64-v8a' }
+        if (buildAbis != null) { ndk { abiFilters  buildAbis } }
         externalNativeBuild {
             cmake {
                 arguments '-DANDROID_STL=c++_static', "-DANDROID_TOOLCHAIN=clang", '-DANDROID_PLATFORM=android-19'
@@ -451,7 +456,7 @@ coveralls {
 
 task smoketest(dependsOn: ['checkstyle', 'lint', 'findbugsHtml', 'pmd', 'testDebugUnitTest'])
 
-task checkLocal(dependsOn: ['checkstyle', 'lint', 'findbugsHtml', 'pmd', 'testDebugUnitTest', 'connectedDebugAndroidTest'])
+task checkLocal(dependsOn: ['smoketest', 'connectedDebugAndroidTest'])
 
-task buildCI(dependsOn: ['checkstyle', 'lint', 'findbugsXml', 'pmd', 'check', 'connectedAndroidTest'])
+task buildCI(dependsOn: ['checkstyle', 'findbugsXml', 'pmd', 'check', 'connectedAndroidTest'])
 

java/build.gradle

@@ -192,8 +192,8 @@ coveralls {
 }
 
 
-task smoketest(dependsOn: ['checkstyle', 'findbugsHtml', 'pmd', 'check', 'test'])
+task smoketest(dependsOn: ['checkstyleMain', 'findbugsHtml', 'pmdMain'])
 
-task checkLocal(dependsOn: ['smoketest'])
+task checkLocal(dependsOn: ['smoketest', 'test'])
 
-task buildCI(dependsOn: ['checkstyle', 'findbugsXml', 'pmd', 'check', 'test'])
+task buildCI(dependsOn: ['checkstyleMain', 'findbugsXml', 'pmdMain', 'test'])