chore: stabilize and speed up Android CI

.github/workflows/test.yml

@@ -26,6 +26,11 @@ jobs:
           java-version: 17.0.10
           distribution: "adopt"
 
+      - name: Set up Gradle (caching)
+        uses: gradle/actions/setup-gradle@v4
+        with:
+          cache-read-only: true
+
       - name: Write to local.properties
         run: |
           echo BACKTRACE_SUBMISSION_URL=\"${{ secrets.BACKTRACE_SUBMISSION_URL }}\" >> ./local.properties
@@ -38,11 +43,16 @@ jobs:
       - name: Bugfix libunwindstack-ndk .clang-format symbolic link issue
         run: rm ./backtrace-library/src/main/cpp/libbun/external/libunwindstack-ndk/.clang-format
 
-      - name: Check Code Style
-        run: ./gradlew spotlessCheck
-
       - name: Build and check
-        run: ./gradlew assembleDebug assembleDebugAndroidTest build check
+        run: ./gradlew assembleDebugAndroidTest build --profile
+
+      - name: Upload build profile
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: gradle-build-profile
+          path: build/reports/profile/
+          if-no-files-found: ignore
 
       - name: Alignment script executable
         run: chmod +x scripts/check_elf_alignment.sh
@@ -96,6 +106,9 @@ jobs:
           ]
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Download APK
         uses: actions/download-artifact@v4
         with:
@@ -106,30 +119,25 @@ jobs:
         with:
           name: ${{ matrix.test-apk }}
 
-      - name: Get Saucectl
-        run: curl -L https://saucelabs.github.io/saucectl/install | bash
-
       - name: Install saucectl
         uses: saucelabs/saucectl-run-action@v4
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with:
           skip-run: true
 
-      - name: Run Saucectl
+      - name: Run saucectl
+        env:
+          SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
+          SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
+          TEST_APP: ${{ matrix.test-apk }}
         run: |
-          saucectl configure --username ${{ secrets.SAUCE_USERNAME }} --accessKey ${{ secrets.SAUCE_ACCESS_KEY }}
-          # recent real device
-          saucectl run espresso -c "" --name "From Github Actions" --app example-app-debug.apk --testApp ${{ matrix.test-apk }}  --device name=".*,platformVersion=14" --region us-west-1
-          # newest Android version
-          saucectl run espresso -c "" --name "From Github Actions" --app example-app-debug.apk --testApp ${{ matrix.test-apk }}  --emulator name="Android GoogleApi Emulator,platformVersion=15.0" --region us-west-1
-          # oldest Android version
-          saucectl run espresso -c "" --name "From Github Actions" --app example-app-debug.apk --testApp ${{ matrix.test-apk }}  --emulator name="Android GoogleApi Emulator,platformVersion=9.0" --region us-west-1
-          # oldest real device (aiming for armv7 / 32bit)
-          saucectl run espresso -c "" --name "From Github Actions" --app example-app-debug.apk --testApp ${{ matrix.test-apk }}  --device name=".*,platformVersion=9" --region us-west-1
-          # --device name=".*,platformVersion=6.0.1"
-          # --device name="Samsung_Galaxy_S20_FE_5G_backtrace_us"
-          # --device name="Samsung_Galaxy_S22_Ultra_5G_backtrace_us"
+          saucectl configure --username "$SAUCE_USERNAME" --accessKey "$SAUCE_ACCESS_KEY"
+          conc=$(curl -s -u "$SAUCE_USERNAME:$SAUCE_ACCESS_KEY" "https://api.eu-central-1.saucelabs.com/rest/v1.2/users/$SAUCE_USERNAME/concurrency")
+          ccy=$(printf '%s' "$conc" | jq -r '[.concurrency.organization.allowed.rds, .concurrency.organization.allowed.vms] | map(select(type=="number")) | min // 1' 2>/dev/null)
+          case "$ccy" in ''|*[!0-9]*) ccy=1 ;; esac
+          echo "Using --ccy $ccy"
+          saucectl run --ccy "$ccy" --retries 2
 
       - name: Run morgue
         run: |

.sauce/config.yml

@@ -0,0 +1,26 @@
+apiVersion: v1alpha
+kind: espresso
+sauce:
+  region: eu-central-1
+espresso:
+  app: example-app-debug.apk
+  testApp: $TEST_APP
+suites:
+  - name: "Android 14 - real device"
+    devices:
+      - name: ".*"
+        platformVersion: "14"
+  - name: "Android 15 - emulator"
+    emulators:
+      - name: "Android GoogleApi Emulator"
+        platformVersions:
+          - "15.0"
+  - name: "Android 9 - emulator"
+    emulators:
+      - name: "Android GoogleApi Emulator"
+        platformVersions:
+          - "9.0"
+  - name: "Android 9 - real device"
+    devices:
+      - name: ".*"
+        platformVersion: "9"

example-app/src/androidTest/java/backtraceio/backtraceio/ExampleInstrumentedTest.java

@@ -6,6 +6,7 @@
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
+import androidx.lifecycle.Lifecycle;
 import androidx.test.ext.junit.rules.ActivityScenarioRule;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.platform.app.InstrumentationRegistry;
@@ -38,6 +39,8 @@ public class ExampleInstrumentedTest extends InstrumentedTest {
     @Before
     public void enableMetricsAndBreadcrumbs() {
         BacktraceLogger.setLevel(LogLevel.DEBUG);
+        // Re-assert RESUMED: some old real devices background the activity right after launch.
+        mActivityRule.getScenario().moveToState(Lifecycle.State.RESUMED);
         onView(withId(R.id.enableBreadcrumbs)).perform(click());
     }
 

gradle.properties

@@ -6,11 +6,11 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx1024m
+org.gradle.jvmargs=-Xmx4g
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
+org.gradle.parallel=true
 
 GROUP=com.github.backtrace-labs.backtrace-android
 POM_NAME=backtrace-library