diff --git a/.github/workflows/assemble.yml b/.github/workflows/assemble.yml
new file mode 100644
index 0000000..07f752e
--- /dev/null
+++ b/.github/workflows/assemble.yml
@@ -0,0 +1,35 @@
+name: Assemble
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+
+jobs:
+  assemble-debug:
+    name: Assemble debug variant
+    runs-on: ubuntu-latest
+
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+      cancel-in-progress: true
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'adopt'
+          java-version: '11'
+
+      - name: Assemble debug variant
+        run: ./gradlew assembleDebug --no-daemon
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..aa99a64
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,53 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+
+jobs:
+  unit-tests:
+    name: Run all unit tests (with coverage)
+    runs-on: ubuntu-latest
+
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+      cancel-in-progress: true
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'adopt'
+          java-version: '11'
+
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+
+      - name: Start synapse server
+        run: |
+          pip install matrix-synapse
+          curl -sL https://raw.githubusercontent.com/matrix-org/synapse/develop/demo/start.sh \
+            | bash -s -- --no-rate-limit
+
+      - name: Run all unit tests
+        run: ./gradlew clean allCodeCoverageReport --no-daemon
+
+      - name: Print coverage size
+        run: ls -l ./build/reports/jacoco/allCodeCoverageReport/allCodeCoverageReport.xml
+
+      - uses: codecov/codecov-action@v2
+        with:
+          files: ./build/reports/jacoco/allCodeCoverageReport/allCodeCoverageReport.xml
diff --git a/README.md b/README.md
index 8f6089b..d420024 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# SmallTalk [![codecov](https://codecov.io/gh/ouchadam/small-talk/branch/main/graph/badge.svg?token=ETFSLZ9FCI)](https://codecov.io/gh/ouchadam/small-talk)
+# SmallTalk [![Assemble](https://github.com/ouchadam/small-talk/actions/workflows/assemble.yml/badge.svg)](https://github.com/ouchadam/small-talk/actions/workflows/assemble.yml) [![codecov](https://codecov.io/gh/ouchadam/small-talk/branch/main/graph/badge.svg?token=ETFSLZ9FCI)](https://codecov.io/gh/ouchadam/small-talk)
 
 `SmallTalk` is a minimal, modern, friends and family focused Android messenger. Heavily inspired by Whatsapp and Signal, powered by Matrix.
 
diff --git a/tools/coverage.gradle b/tools/coverage.gradle
index ec6ca27..af65bfb 100644
--- a/tools/coverage.gradle
+++ b/tools/coverage.gradle
@@ -26,68 +26,70 @@ def excludes = [
 ]
 
 def initializeReport(report, projects, classExcludes) {
-    report.executionData fileTree(project.rootDir.absolutePath).include("**/build/jacoco/*.exec")
-
-    def includeAndroid = { project, type ->
-        report.sourceDirectories.setFrom(report.sourceDirectories + files(["${project.projectDir}/src/main/kotlin"]))
-        def androidClasses = project.files([project.fileTree(dir: "${project.buildDir}/tmp/kotlin-classes/${type}", excludes: classExcludes)])
-        report.classDirectories.setFrom(androidClasses + report.classDirectories)
-    }
-
-    projects.each { project ->
-        project.apply plugin: 'jacoco'
-        project.afterEvaluate {
-            switch (project) {
-                case { it.plugins.hasPlugin("com.android.application") }:
-                    includeAndroid(it, "debug")
-                    break
-                case { it.plugins.hasPlugin("com.android.library") }:
-                    includeAndroid(it, "release")
-                    break
-                default:
-                    report.sourceSets it.sourceSets.main
-                    report.classDirectories.setFrom(files(report.classDirectories.files.collect {
-                        fileTree(dir: it, excludes: classExcludes)
-                    }))
-            }
-        }
-    }
+    projects.each { project -> project.apply plugin: 'jacoco' }
+    report.executionData { fileTree(rootProject.rootDir.absolutePath).include("**/build/jacoco/*.exec") }
 
     report.reports {
         xml.enabled true
         html.enabled true
         csv.enabled false
     }
+
+    gradle.projectsEvaluated {
+        def androidSourceDirs = []
+        def androidClassDirs = []
+
+        projects.each { project ->
+            switch (project) {
+                case { project.plugins.hasPlugin("com.android.application") }:
+                    androidClassDirs.add("${project.buildDir}/tmp/kotlin-classes/debug")
+                    androidSourceDirs.add("${project.projectDir}/src/main/kotlin")
+                    break
+                case { project.plugins.hasPlugin("com.android.library") }:
+                    androidClassDirs.add("${project.buildDir}/tmp/kotlin-classes/release")
+                    androidSourceDirs.add("${project.projectDir}/src/main/kotlin")
+                    break
+                default:
+                    report.sourceSets project.sourceSets.main
+            }
+        }
+
+        report.sourceDirectories.setFrom(report.sourceDirectories + files(androidSourceDirs))
+        def classFiles = androidClassDirs.collect { files(it).files }.flatten()
+        report.classDirectories.setFrom(files((report.classDirectories.files + classFiles).collect {
+            fileTree(dir: it, excludes: classExcludes)
+        }))
+    }
 }
 
 def collectProjects(predicate) {
     return subprojects.findAll { it.buildFile.isFile() && predicate(it) }
 }
 
-task unitCodeCoverageReport(type: JacocoReport) {
-    rootProject.apply plugin: 'jacoco'
-    def excludedProjects = [
-            'olm-stub',
-            'test-harness'
-    ]
-    def projects = collectProjects { !excludedProjects.contains(it.name) }
-    dependsOn ":app:assembleDebug"
-    dependsOn { projects*.test }
-    initializeReport(it, projects, excludes)
-}
-
-task harnessCodeCoverageReport(type: JacocoReport) {
-    rootProject.apply plugin: 'jacoco'
-    def projects = collectProjects { true }
-    dependsOn ":app:assembleDebug"
-    dependsOn { project(":test-harness").test }
-    initializeReport(it, projects, excludes)
-}
+//task unitCodeCoverageReport(type: JacocoReport) {
+//    outputs.upToDateWhen { false }
+//    rootProject.apply plugin: 'jacoco'
+//    def excludedProjects = [
+//            'olm-stub',
+//            'test-harness'
+//    ]
+//    def projects = collectProjects { !excludedProjects.contains(it.name) }
+//    dependsOn { ["app:assembleDebug"] + projects*.test }
+//    initializeReport(it, projects, excludes)
+//}
+//
+//task harnessCodeCoverageReport(type: JacocoReport) {
+//    outputs.upToDateWhen { false }
+//    rootProject.apply plugin: 'jacoco'
+//    def projects = collectProjects { true }
+//    dependsOn { ["app:assembleDebug", project(":test-harness").test] }
+//    initializeReport(it, projects, excludes)
+//}
 
 task allCodeCoverageReport(type: JacocoReport) {
+    outputs.upToDateWhen { false }
     rootProject.apply plugin: 'jacoco'
     def projects = collectProjects { true }
-    dependsOn ":app:assembleDebug"
-    dependsOn { projects*.test }
+    dependsOn { ["app:assembleDebug"] + projects*.test }
     initializeReport(it, projects, excludes)
 }