diff --git a/circle.yml b/circle.yml
new file mode 100644
index 000000000..a99ac5e59
--- /dev/null
+++ b/circle.yml
@@ -0,0 +1,21 @@
+machine:
+  java:
+    version: oraclejdk8
+  environment:
+    GRADLE_OPTS: '-Dorg.gradle.jvmargs="-Xmx1024m -XX:+HeapDumpOnOutOfMemoryError" -Dkotlin.compiler.execution.strategy="out-of-process" -Djava.util.concurrent.ForkJoinPool.common.parallelism=2'
+
+dependencies:
+  pre:
+    - sudo pip install -U crcmod
+    - echo y | android update sdk --no-ui --all --filter "tools,platform-tools,build-tools-26.0.2,android-26,extra-android-m2repository"
+    - echo ${GCLOUD_SERVICE_KEY} | base64 --decode > ${HOME}/client-secret.json
+    - sudo /opt/google-cloud-sdk/bin/gcloud config set project android-devrel-ci
+    - sudo /opt/google-cloud-sdk/bin/gcloud --quiet components update
+    - sudo /opt/google-cloud-sdk/bin/gcloud auth activate-service-account travis-ci-for-blueprints@android-devrel-ci.iam.gserviceaccount.com --key-file ${HOME}/client-secret.json
+
+test:
+  override:
+    - ./test_all_ftl.sh
+  post:
+    - mkdir -p $CIRCLE_TEST_REPORTS/junit/
+    - find $CIRCLE_ARTIFACTS -name \*.xml -exec cp {} $CIRCLE_TEST_REPORTS/junit/ \;
diff --git a/integration/ServiceTestRuleSample/build.gradle b/integration/ServiceTestRuleSample/build.gradle
index 201fef834..1de6011cc 100644
--- a/integration/ServiceTestRuleSample/build.gradle
+++ b/integration/ServiceTestRuleSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
 }
diff --git a/runner/AndroidJunitRunnerSample/build.gradle b/runner/AndroidJunitRunnerSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/runner/AndroidJunitRunnerSample/build.gradle
+++ b/runner/AndroidJunitRunnerSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/test_all_ftl.sh b/test_all_ftl.sh
new file mode 100755
index 000000000..8a7ffab94
--- /dev/null
+++ b/test_all_ftl.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+set -e  # Exit immediately if a command exits with a non-zero status.
+
+for line in $(find . -name 'gradlew'); do
+   p=$(dirname "${line}");
+   name="${p##*/}";
+   echo
+   echo
+   echo Running unit and Android tests in $name
+   echo "====================================================================="
+
+   pushd $p > /dev/null  # Silent pushd
+   ./gradlew :app:assembleDebug -PdisablePreDex | sed "s@^@$name @"  # Prefix every line with directory
+   code=${PIPESTATUS[0]}
+   if [ "$code" -ne "0" ]; then
+       exit $code
+   fi
+
+   ./gradlew :app:assembleAndroidTest -PdisablePreDex | sed "s@^@$name @"  # Prefix every line with directory
+   ./gradlew test -PdisablePreDex | sed "s@^@$name @"  # Prefix every line with directory
+
+   apkfile=app/build/outputs/apk/app-debug.apk 
+   testapkfile=app/build/outputs/apk/app-debug-androidTest.apk 
+   if [ ! -f $apkfile ] || [ ! -f $testapkfile ] ; then
+      echo "APKs not found, probably no UI tests present. Skipping $name"
+      popd > /dev/null  # Silent popd
+      continue
+   fi
+   echo "Sending APKs to Firebase..."
+
+   echo "y" | sudo /opt/google-cloud-sdk/bin/gcloud firebase test android run --app $apkfile --test $testapkfile -d Nexus5X -v 26 -l fr --results-bucket=android-testing-samples-test-results --results-dir=$CIRCLE_BUILD_NUM/$name
+
+   code=${PIPESTATUS[0]}
+   if [ "$code" -ne "0" ]; then
+       exit $code
+   fi
+
+   # Copy the test results to the build artifacts folder in CircleCI
+   sudo /opt/google-cloud-sdk/bin/gsutil -m cp -r -U `sudo /opt/google-cloud-sdk/bin/gsutil ls gs://android-testing-samples-test-results/$CIRCLE_BUILD_NUM/$name/**/test_result*.xml | tail -1` $CIRCLE_ARTIFACTS/ | true
+   popd > /dev/null  # Silent popd
+done
+
+echo
+echo "ALL TESTS PASS"
diff --git a/ui/espresso/BasicSample/build.gradle b/ui/espresso/BasicSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/BasicSample/build.gradle
+++ b/ui/espresso/BasicSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/CustomMatcherSample/build.gradle b/ui/espresso/CustomMatcherSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/CustomMatcherSample/build.gradle
+++ b/ui/espresso/CustomMatcherSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/DataAdapterSample/build.gradle b/ui/espresso/DataAdapterSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/DataAdapterSample/build.gradle
+++ b/ui/espresso/DataAdapterSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/IdlingResourceSample/build.gradle b/ui/espresso/IdlingResourceSample/build.gradle
index 359614090..0a0283834 100644
--- a/ui/espresso/IdlingResourceSample/build.gradle
+++ b/ui/espresso/IdlingResourceSample/build.gradle
@@ -41,8 +41,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/IntentsAdvancedSample/build.gradle b/ui/espresso/IntentsAdvancedSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/IntentsAdvancedSample/build.gradle
+++ b/ui/espresso/IntentsAdvancedSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/IntentsBasicSample/app/build.gradle b/ui/espresso/IntentsBasicSample/app/build.gradle
index 655622fa4..68a96ebd2 100644
--- a/ui/espresso/IntentsBasicSample/app/build.gradle
+++ b/ui/espresso/IntentsBasicSample/app/build.gradle
@@ -5,7 +5,7 @@ android {
     buildToolsVersion rootProject.buildToolsVersion
     defaultConfig {
         applicationId "com.example.android.testing.espresso.BasicSample"
-        minSdkVersion 9
+        minSdkVersion 14
         targetSdkVersion 26
         versionCode 1
         versionName "1.0"
diff --git a/ui/espresso/IntentsBasicSample/build.gradle b/ui/espresso/IntentsBasicSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/IntentsBasicSample/build.gradle
+++ b/ui/espresso/IntentsBasicSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/MultiProcessSample/app/build.gradle b/ui/espresso/MultiProcessSample/app/build.gradle
index 82c02262c..67782cf44 100644
--- a/ui/espresso/MultiProcessSample/app/build.gradle
+++ b/ui/espresso/MultiProcessSample/app/build.gradle
@@ -18,7 +18,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 26
-    buildToolsVersion "26.0.0"
+    buildToolsVersion "26.0.2"
     defaultConfig {
         applicationId "com.example.android.testing.espresso.multiprocesssample"
         minSdkVersion 26
diff --git a/ui/espresso/MultiWindowSample/build.gradle b/ui/espresso/MultiWindowSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/MultiWindowSample/build.gradle
+++ b/ui/espresso/MultiWindowSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/espresso/RecyclerViewSample/app/build.gradle b/ui/espresso/RecyclerViewSample/app/build.gradle
index f0360f96f..95e9b1fd3 100644
--- a/ui/espresso/RecyclerViewSample/app/build.gradle
+++ b/ui/espresso/RecyclerViewSample/app/build.gradle
@@ -21,7 +21,7 @@ android {
     buildToolsVersion rootProject.buildToolsVersion
     defaultConfig {
         applicationId "com.example.android.testing.espresso.RecyclerViewSample"
-        minSdkVersion 9
+        minSdkVersion 14
         targetSdkVersion 26
         versionCode 1
         versionName "1.0"
@@ -37,6 +37,7 @@ dependencies {
     // App dependencies
     compile 'com.android.support:support-annotations:' + rootProject.supportLibVersion;
     compile 'com.android.support:recyclerview-v7:' + rootProject.supportLibVersion;
+    compile 'com.android.support:design:' + rootProject.supportLibVersion;
 
     // Testing-only dependencies
     androidTestCompile 'com.android.support.test:runner:' + rootProject.runnerVersion;
@@ -47,4 +48,6 @@ dependencies {
     // Force usage of dependencies in the test app, since it is internally used by the runner module.
     androidTestCompile 'com.android.support:support-annotations:' + rootProject.supportLibVersion;
     androidTestCompile 'com.android.support:recyclerview-v7:' + rootProject.supportLibVersion;
+    androidTestCompile 'com.android.support:support-v4:' + rootProject.supportLibVersion;
+    androidTestCompile 'com.android.support:design:' + rootProject.supportLibVersion;
 }
diff --git a/ui/espresso/RecyclerViewSample/build.gradle b/ui/espresso/RecyclerViewSample/build.gradle
index 359614090..1ff49b9a4 100644
--- a/ui/espresso/RecyclerViewSample/build.gradle
+++ b/ui/espresso/RecyclerViewSample/build.gradle
@@ -24,7 +24,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.2'
+        classpath 'com.android.tools.build:gradle:2.3.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -41,9 +41,9 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
-    runnerVersion = "1.0.0"
-    rulesVersion = "1.0.0"
-    espressoVersion = "3.0.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
+    runnerVersion = "1.0.1"
+    rulesVersion = "1.0.1"
+    espressoVersion = "3.0.1"
 }
diff --git a/ui/espresso/WebBasicSample/build.gradle b/ui/espresso/WebBasicSample/build.gradle
index d6680037b..1e8252ab4 100644
--- a/ui/espresso/WebBasicSample/build.gradle
+++ b/ui/espresso/WebBasicSample/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/ui/uiautomator/BasicSample/build.gradle b/ui/uiautomator/BasicSample/build.gradle
index d31646c98..9f7f9c857 100644
--- a/ui/uiautomator/BasicSample/build.gradle
+++ b/ui/uiautomator/BasicSample/build.gradle
@@ -22,8 +22,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     rulesVersion = "1.0.0"
     espressoVersion = "3.0.0"
diff --git a/unit/BasicSample/build.gradle b/unit/BasicSample/build.gradle
index 32753db9c..e6ee7be93 100644
--- a/unit/BasicSample/build.gradle
+++ b/unit/BasicSample/build.gradle
@@ -40,7 +40,7 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
+    buildToolsVersion = "26.0.2"
     junitVersion = "4.12"
     mockitoVersion = "1.10.19"
 }
diff --git a/unit/BasicUnitAndroidTest/build.gradle b/unit/BasicUnitAndroidTest/build.gradle
index 2a5d71da2..1e79b827e 100644
--- a/unit/BasicUnitAndroidTest/build.gradle
+++ b/unit/BasicUnitAndroidTest/build.gradle
@@ -25,8 +25,8 @@ allprojects {
 }
 
 ext {
-    buildToolsVersion = "25.0.0"
-    supportLibVersion = "25.4.0"
+    buildToolsVersion = "26.0.2"
+    supportLibVersion = "26.1.0"
     runnerVersion = "1.0.0"
     hamcrestVersion = "1.3"
 }