Implement release mode instrumentation with better proguard rules

.github/workflows/tests_emulator.yml

@@ -20,6 +20,13 @@ jobs:
     timeout-minutes: 75
     env:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      TEST_RELEASE_BUILD: true
+      # could be better, '/home/runner' should be '~/' but neither that nor '$HOME' worked
+      STOREFILEDIR: /home/runner/src
+      STOREFILE: android-keystore
+      STOREPASS: testpass
+      KEYPASS: testpass
+      KEYALIAS: nrkeystorealias
     strategy:
       fail-fast: false
       matrix:
@@ -33,6 +40,15 @@ jobs:
         # This is useful for benchmarking, do 0, 1, 2, etc (up to 256 max job-per-matrix limit) for averages
         iteration: [0]
     steps:
+      - name: Test Credential Prep
+        run: |
+          echo "KSTOREPWD=$STOREPASS" >> $GITHUB_ENV
+          echo "KEYPWD=$KEYPASS" >> $GITHUB_ENV
+          mkdir $STOREFILEDIR
+          cd $STOREFILEDIR
+          echo y | keytool -genkeypair -dname "cn=AnkiDroid, ou=ankidroid, o=AnkiDroid, c=US" -alias $KEYALIAS -keypass $KEYPASS -keystore "$STOREFILE" -storepass $STOREPASS -keyalg RSA -validity 20000
+        shell: bash
+
       - uses: actions/checkout@v4
         with:
           fetch-depth: 50
@@ -80,7 +96,7 @@ jobs:
           timeout_minutes: 15
           retry_wait_seconds: 60
           max_attempts: 3
-          command: ./gradlew packagePlayDebug packagePlayDebugAndroidTest --daemon
+          command: ./gradlew packagePlayRelease packagePlayReleaseAndroidTest --daemon
 
       - name: AVD Boot and Snapshot Creation
         # Only generate a snapshot for saving if we are on main branch with a cache miss
@@ -147,6 +163,13 @@ jobs:
             sleep 5
             ./gradlew uninstallAll jacocoAndroidTestReport --daemon
 
+      - name: Upload Test Report
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: ${{ matrix.api-level }}-${{ matrix.arch }}-${{matrix.target}}-${{matrix.first-boot-delay}}-${{matrix.iteration}}-jacocoAndroidTestReport
+          path: ~/work/Anki-Android/Anki-Android/AnkiDroid/build/reports/jacoco/
+
       - name: Upload Emulator Log
         uses: actions/upload-artifact@v4
         if: always()

AnkiDroid/build.gradle

@@ -6,6 +6,7 @@ plugins {
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.parcelize)
     alias(libs.plugins.kotlin.serialization)
+    alias(libs.plugins.keeper)
     id 'idea'
 }
 
@@ -15,6 +16,12 @@ repositories {
     maven { url "https://jitpack.io" }
 }
 
+keeper {
+    traceReferences {
+        // Silence missing definitions
+        arguments.set(["--map-diagnostics:MissingDefinitionsDiagnostic", "error", "none"])
+    }
+}
 
 idea {
     module {
@@ -42,6 +49,12 @@ android {
         aidl = true
     }
 
+    if (rootProject.testReleaseBuild) {
+        testBuildType "release"
+    } else {
+        testBuildType "debug"
+    }
+
     defaultConfig {
         applicationId "com.ichi2.anki"
         buildConfigField "Boolean", "CI", (System.getenv("CI") == "true").toString()
@@ -77,6 +90,12 @@ android {
         versionCode=21900107
         versionName="2.19alpha7"
         minSdk libs.versions.minSdk.get().toInteger()
+
+        // Stays until this is in a release: https://github.com/google/desugar_jdk_libs/commit/c01a5446ca13586b801dbba4d83c6821337b3cc2
+        if (testReleaseBuild && minSdk < 24) {
+            minSdk 24
+        }
+
         // After #13695: change .tests_emulator.yml
         targetSdk libs.versions.targetSdk.get().toInteger()
         testApplicationId "com.ichi2.anki.tests"
@@ -129,9 +148,11 @@ android {
             resValue "string", "applicationId", "${defaultConfig.applicationId}${applicationIdSuffix}"
         }
         named('release') {
+            testCoverageEnabled = testReleaseBuild
             minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            testProguardFile 'proguard-test-rules.pro'
             splits.abi.universalApk = universalApkEnabled // Build universal APK for release with `-Duniversal-apk=true`
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             signingConfig signingConfigs.release
 
             // syntax: assembleRelease -PcustomSuffix="suffix" -PcustomName="New name"
@@ -293,7 +314,7 @@ tasks.register('assertNonzeroAndroidTests') {
     }
 }
 afterEvaluate {
-    tasks.named('connectedPlayDebugAndroidTest').configure { finalizedBy('assertNonzeroAndroidTests') }
+    tasks.named(androidTestName).configure { finalizedBy('assertNonzeroAndroidTests') }
 }
 
 apply from: "./robolectricDownloader.gradle"

AnkiDroid/jacoco.gradle

@@ -92,6 +92,12 @@ def fileFilter = [
         '**/*$Result$*.*'
 ]
 
+def classDir = 'tmp/kotlin-classes/play'
+if (rootProject.testReleaseBuild)
+    classDir += "Release"
+else
+    classDir += "Debug"
+
 // Our merge report task
 def testReport = tasks.register('jacocoTestReport', JacocoReport) {
     def htmlOutDir = project.layout.buildDirectory.dir("reports/jacoco/$name/html").get().asFile
@@ -105,7 +111,7 @@ def testReport = tasks.register('jacocoTestReport', JacocoReport) {
         html.destination htmlOutDir
     }
 
-    def kotlinClasses = fileTree(dir: project.layout.buildDirectory.dir('tmp/kotlin-classes/playDebug'), excludes: fileFilter)
+    def kotlinClasses = fileTree(dir: project.layout.buildDirectory.dir(classDir), excludes: fileFilter)
     def mainSrc = "$project.projectDir/src/main/java"
 
     sourceDirectories.from = files([mainSrc])
@@ -117,7 +123,7 @@ def testReport = tasks.register('jacocoTestReport', JacocoReport) {
 }
 testReport.configure {
     dependsOn('testPlayDebugUnitTest')
-    dependsOn('connectedPlayDebugAndroidTest')
+    dependsOn(rootProject.androidTestName)
 }
 
 // A unit-test only report task
@@ -133,7 +139,7 @@ def unitTestReport = tasks.register('jacocoUnitTestReport', JacocoReport) {
         html.destination htmlOutDir
     }
 
-    def kotlinClasses = fileTree(dir: project.layout.buildDirectory.dir('tmp/kotlin-classes/playDebug'), excludes: fileFilter)
+    def kotlinClasses = fileTree(dir: project.layout.buildDirectory.dir(classDir), excludes: fileFilter)
     def mainSrc = "$project.projectDir/src/main/java"
 
     sourceDirectories.from = files([mainSrc])
@@ -158,7 +164,7 @@ def androidTestReport = tasks.register('jacocoAndroidTestReport', JacocoReport)
         html.destination htmlOutDir
     }
 
-    def kotlinClasses = fileTree(dir: project.layout.buildDirectory.dir('tmp/kotlin-classes/playDebug'), excludes: fileFilter)
+    def kotlinClasses = fileTree(dir: project.layout.buildDirectory.dir(classDir), excludes: fileFilter)
     def mainSrc = "$project.projectDir/src/main/java"
 
     sourceDirectories.from = files([mainSrc])
@@ -167,7 +173,8 @@ def androidTestReport = tasks.register('jacocoAndroidTestReport', JacocoReport)
             '**/*.ec'
     ])
 }
-androidTestReport.configure { dependsOn('connectedPlayDebugAndroidTest') }
+
+androidTestReport.configure { dependsOn(rootProject.androidTestName) }
 
 // Issue 16640 - some emulators run, but register zero coverage
 tasks.register('assertNonzeroAndroidTestCoverage') {

AnkiDroid/proguard-rules.pro

@@ -1,14 +1,10 @@
 # Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in C:\Program Files (x86)\Android\android-sdk/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.kts.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
-# Add any project specific keep options here:
-
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface
 # class:
@@ -16,16 +12,16 @@
 #   public *;
 #}
 
-# FIXME remove this entire Android 4.2 workaround from 12/3/15 timrae commit for 2.15.x+
-# Samsung Android 4.2 bug workaround
-# https://code.google.com/p/android/issues/detail?id=78377
--keepattributes **
--keep class !android.support.v7.view.menu.**,!android.support.design.internal.NavigationMenu,!android.support.design.internal.NavigationMenuPresenter,!android.support.design.internal.NavigationSubMenu,** {*;}
-#5806 - Class: ActionBarOverflow
--keep public class android.support.v7.internal.view.menu.** { *; }
--keep public class androidx.appcompat.view.menu.** { *; }
--dontpreverify
--dontoptimize
--dontshrink
--dontwarn **
--dontnote **
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+-keepattributes SourceFile,LineNumberTable
+
+# Used through Reflection
+-keep class com.ichi2.anki.**.*Fragment { *; }
+-keep class * extends com.google.protobuf.GeneratedMessageLite { *; }
+-keep class androidx.core.app.ActivityCompat$* { *; }
+-keep class androidx.concurrent.futures.** { *; }
+
+# Ignore unused packages
+-dontwarn javax.naming.**
+-dontwarn org.ietf.jgss.**

AnkiDroid/proguard-test-rules.pro

@@ -0,0 +1,11 @@
+# These proguard rules are only needed when building
+# for the combination of testing and release mode
+# Certain androidx frameworks that are test-only have
+# issues with proguard / minimization in release mode
+
+# Used for testing
+-keep class kotlin.test.** { *; }
+-keep class **.R$layout { <init> (...); <fields>; }
+
+# Ignore unused packages
+-dontwarn com.google.protobuf.GeneratedMessageLite$*

build.gradle.kts

@@ -1,4 +1,6 @@
 import com.android.build.api.dsl.CommonExtension
+import com.android.build.api.extension.impl.AndroidComponentsExtensionImpl
+import com.slack.keeper.optInToKeeper
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.internal.jvm.Jvm
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
@@ -18,6 +20,11 @@ buildscript {
             }
         }
     }
+
+    dependencies {
+        // Stays until this is merged: https://github.com/slackhq/keeper/pull/147
+        classpath(files("${rootDir.path}/tools/keeper-gradle-plugin.jar"))
+    }
 }
 
 plugins {
@@ -29,6 +36,7 @@ plugins {
     alias(libs.plugins.kotlin.serialization) apply false
     alias(libs.plugins.ktlint) apply false
     alias(libs.plugins.dokka) apply false
+    alias(libs.plugins.keeper) apply false
 }
 
 val localProperties = java.util.Properties()
@@ -64,6 +72,15 @@ subprojects {
                 it.systemProperties["junit.jupiter.execution.parallel.enabled"] = true
                 it.systemProperties["junit.jupiter.execution.parallel.mode.default"] = "concurrent"
             }
+
+            val androidComponentsExtension =
+                extensions.findByName("androidComponents") as AndroidComponentsExtensionImpl<*, *, *>
+            androidComponentsExtension.beforeVariants { builder ->
+                if (testReleaseBuild && builder.name == "playRelease")
+                {
+                    builder.optInToKeeper()
+                }
+            }
         }
 
         /**
@@ -118,6 +135,11 @@ val preDexEnabled by extra("true" == System.getProperty("pre-dex", "true"))
 // allows for universal APKs to be generated
 val universalApkEnabled by extra("true" == System.getProperty("universal-apk", "false"))
 
+val testReleaseBuild by extra(System.getenv("TEST_RELEASE_BUILD") == "true")
+var androidTestName by extra(
+    if (testReleaseBuild) "connectedPlayReleaseAndroidTest" else "connectedPlayDebugAndroidTest"
+)
+
 val gradleTestMaxParallelForks by extra(
     if (System.getProperty("os.name") == "Mac OS X") {
         // macOS reports hardware cores. This is accurate for CI, Intel (halved due to SMT) and Apple Silicon

gradle/libs.versions.toml

@@ -67,6 +67,7 @@ robolectric = "4.12.2"
 searchpreference = "2.5.1"
 seismic = "1.0.3"
 sharedPreferencesMock = "1.2.4"
+slackKeeper = "0.16.0"
 slf4jTimber = "3.1"
 timber = "5.0.1"
 triplet = "3.10.0"
@@ -177,3 +178,4 @@ dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
 ktlint = { id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlint" }
 
 
+keeper = { id = "com.slack.keeper", version.ref = "slackKeeper" }