Fix/platform interaction stability improvements

.github/workflows/blank.yml

@@ -23,6 +23,12 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Set up Java env
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
       - name: Make gradlew executable
         run: chmod +x ./gradlew
 

.github/workflows/instumented_tests.yml

@@ -33,8 +33,8 @@ jobs:
       - name: Set up Java env
         uses: actions/setup-java@v3
         with:
-          distribution: 'zulu' 
-          java-version: '11'
+          distribution: 'temurin'
+          java-version: '17'
 
       - name: Instrumented tests
         id: instrumented_tests

app/build.gradle.kts

@@ -8,7 +8,7 @@
 }
 
 android {
-    compileSdk = 33
+    compileSdk = 34
 
     defaultConfig {
         applicationId = "com.fingerprintjs.android.playground"
@@ -47,7 +47,7 @@
             isMinifyEnabled = true
             proguardFiles (getDefaultProguardFile ("proguard-android-optimize.txt"), "proguard-rules.pro")
             signingConfig = signingConfigs.getByName("releaseDummySign")
-            setMatchingFallbacks("release")
+            matchingFallbacks += listOf("release")
         }
         // same as previous, but also profileable
         // when changing the name of the following build type, don't forget to update src/{this_build_type} dir
@@ -65,12 +65,21 @@
         }
     }
 
+    compileOptions {
+        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 
     composeOptions {
-        kotlinCompilerExtensionVersion = "1.4.7"
+        kotlinCompilerExtensionVersion = "1.5.3"
     }
 }
 
@@ -95,8 +104,9 @@
 
     implementation("com.google.accompanist:accompanist-pager:0.27.0")
 
-    implementation("com.google.dagger:dagger:2.44")
-    kapt("com.google.dagger:dagger-compiler:2.44")
+    val daggerVersion = "2.48"
+    implementation("com.google.dagger:dagger:$daggerVersion")
+    kapt("com.google.dagger:dagger-compiler:$daggerVersion")
 
     implementation("com.google.code.gson:gson:2.10")
 }

build.gradle.kts

@@ -5,9 +5,8 @@ buildscript {
         gradlePluginPortal()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:7.4.2")
+        classpath("com.android.tools.build:gradle:8.1.1")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${Constants.kotlinVersion}")
-        classpath("com.github.dcendents:android-maven-gradle-plugin:2.1")
     }
 }
 

buildSrc/src/main/kotlin/Constants.kt

@@ -1,3 +1,3 @@
 object Constants {
-    const val kotlinVersion = "1.8.21"
+    const val kotlinVersion = "1.9.10"
 }

fingerprint/build.gradle.kts

@@ -26,11 +26,23 @@
 }
 
 android {
-    compileSdk = 33
+    publishing {
+        singleVariant("release") {
+            withSourcesJar()
+        }
+    }
+
+    compileSdk = 34
 
     defaultConfig {
-        minSdk = 21
+        // This property does not affect the library itself, but affects test apk and lint.
+        // As for now, I don't see any non-deprecated ways of accomplishing this task.
+        // Discussions:
+        // https://stackoverflow.com/questions/76084080/apply-targetsdk-in-android-instrumentation-test
+        // https://issuetracker.google.com/issues/230625468 (looks like lint.targetSdk and testOptions.targetSdk will become available soon)
         targetSdk = 33
+
+        minSdk = 21
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles("consumer-rules.pro")
     }
@@ -62,6 +74,14 @@
             }
         }
     }
+
+    compileOptions {
+        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
 }
 
 tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile::class.java) {
@@ -74,7 +94,7 @@
     implementation("org.jetbrains.kotlin:kotlin-stdlib:${Constants.kotlinVersion}")
     implementation("androidx.appcompat:appcompat:1.6.1")
     testImplementation("junit:junit:4.13.2")
-    testImplementation("com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0")
+    testImplementation("io.mockk:mockk:1.12.7")
     androidTestImplementation("androidx.test.ext:junit-ktx:1.1.5")
     androidTestImplementation("androidx.test:runner:1.5.2")
 }

fingerprint/src/main/java/com/fingerprintjs/android/fingerprint/Fingerprinter.kt

@@ -13,22 +13,24 @@ import com.fingerprintjs.android.fingerprint.signal_providers.hardware.HardwareS
 import com.fingerprintjs.android.fingerprint.signal_providers.installed_apps.InstalledAppsSignalGroupProvider
 import com.fingerprintjs.android.fingerprint.signal_providers.os_build.OsBuildSignalGroupProvider
 import com.fingerprintjs.android.fingerprint.tools.DeprecationMessages
+import com.fingerprintjs.android.fingerprint.tools.DummyResults
 import com.fingerprintjs.android.fingerprint.tools.FingerprintingLegacySchemeSupportExtensions
 import com.fingerprintjs.android.fingerprint.tools.hashers.Hasher
 import com.fingerprintjs.android.fingerprint.tools.hashers.MurMur3x64x128Hasher
-import java.util.concurrent.ExecutorService
-import java.util.concurrent.Executors
+import com.fingerprintjs.android.fingerprint.tools.logs.Logger
+import com.fingerprintjs.android.fingerprint.tools.logs.ePleaseReport
+import com.fingerprintjs.android.fingerprint.tools.safe.safe
+import com.fingerprintjs.android.fingerprint.tools.safe.safeAsync
 
 
 public class Fingerprinter internal constructor(
     private val legacyArgs: LegacyArgs?,
     private val fpSignalsProvider: FingerprintingSignalsProvider,
     private val deviceIdSignalsProvider: DeviceIdSignalsProvider,
 ) {
-
-    private val executor: ExecutorService = Executors.newSingleThreadExecutor()
-
+    @Volatile
     private var deviceIdResult: DeviceIdResult? = null
+    @Volatile
     private var fingerprintResult: FingerprintResult? = null
 
     /**
@@ -59,7 +61,12 @@ public class Fingerprinter internal constructor(
             return
         }
 
-        executor.execute {
+        safeAsync(
+            onError = {
+                listener.invoke(DummyResults.deviceIdResult)
+                Logger.ePleaseReport(it)
+            }
+        ) {
             val deviceIdResult = DeviceIdResult(
                 legacyArgs.deviceIdProvider.fingerprint(),
                 legacyArgs.deviceIdProvider.rawData().gsfId().value,
@@ -82,7 +89,12 @@ public class Fingerprinter internal constructor(
      * @param listener device ID listener.
      */
     public fun getDeviceId(version: Version, listener: (DeviceIdResult) -> Unit) {
-        executor.execute {
+        safeAsync(
+            onError = {
+                listener.invoke(DummyResults.deviceIdResult)
+                Logger.ePleaseReport(it)
+            }
+        ) {
             listener.invoke(
                 DeviceIdResult(
                     deviceId = deviceIdSignalsProvider.getSignalMatching(version).getIdString(),
@@ -128,7 +140,12 @@ public class Fingerprinter internal constructor(
             listener.invoke(it)
             return
         }
-        executor.execute {
+        safeAsync(
+            onError = {
+                listener.invoke(DummyResults.fingerprintResult)
+                Logger.ePleaseReport(it)
+            }
+        ) {
             val fingerprintSb = StringBuilder()
 
             fingerprintSb.apply {
@@ -178,8 +195,12 @@ public class Fingerprinter internal constructor(
         hasher: Hasher = MurMur3x64x128Hasher(),
         listener: (String) -> (Unit),
     ) {
-        executor.execute {
-
+        safeAsync(
+            onError = {
+                listener.invoke(DummyResults.fingerprint)
+                Logger.ePleaseReport(it)
+            }
+        ) {
             val result = if (version < Version.fingerprintingFlattenedSignalsFirstVersion) {
                 val joinedHashes = with(FingerprintingLegacySchemeSupportExtensions) {
                     listOf(
@@ -221,7 +242,9 @@ public class Fingerprinter internal constructor(
         fingerprintingSignals: List<FingerprintingSignal<*>>,
         hasher: Hasher = MurMur3x64x128Hasher(),
     ): String {
-        return hasher.hash(fingerprintingSignals)
+        return safe { hasher.hash(fingerprintingSignals) }
+            .onFailure { Logger.ePleaseReport(it) }
+            .getOrDefault(DummyResults.fingerprint)
     }
 
     private fun Hasher.hash(fingerprintingSignals: List<FingerprintingSignal<*>>): String {

fingerprint/src/main/java/com/fingerprintjs/android/fingerprint/FingerprinterFactory.kt

@@ -27,14 +27,16 @@
 import com.fingerprintjs.android.fingerprint.signal_providers.os_build.OsBuildSignalGroupProvider
 import com.fingerprintjs.android.fingerprint.tools.hashers.Hasher
 import com.fingerprintjs.android.fingerprint.tools.hashers.MurMur3x64x128Hasher
+import com.fingerprintjs.android.fingerprint.tools.safe.safeLazy
+import com.fingerprintjs.android.fingerprint.tools.safe.safe
 
 
 /**
  * A factory for [Fingerprinter] class.
  */
 public object FingerprinterFactory {
 
-    private var configuration: Configuration = Configuration(version = Fingerprinter.Version.fingerprintingGroupedSignalsLastVersion.intValue)
+    private var configuration = Configuration(version = Fingerprinter.Version.fingerprintingGroupedSignalsLastVersion.intValue)
     private var instance: Fingerprinter? = null
     private var hasher: Hasher = MurMur3x64x128Hasher()
 
@@ -179,83 +181,73 @@
     private fun createCpuInfoProvider() = CpuInfoProviderImpl()
 
     private fun createMemoryInfoProvider(context: Context): MemInfoProvider {
-        val activityManager = context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
-        val internalStorageDir = Environment.getRootDirectory().absolutePath
-        val internalStorageStatFs = StatFs(internalStorageDir)
-
-        val externalStorageDir = context.getExternalFilesDir(null)
-        val externalStorageDirPath = externalStorageDir?.absolutePath
-        val externalStorageStatFs =
-            if (externalStorageDirPath != null && externalStorageDir.canRead()) {
-                StatFs(externalStorageDirPath)
-            } else {
-                null
-            }
-
         return MemInfoProviderImpl(
-            activityManager,
-            internalStorageStatFs,
-            externalStorageStatFs
+            activityManager = safeLazy { context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager },
+            internalStorageStats = safeLazy { StatFs(Environment.getRootDirectory()!!.absolutePath!!) },
+            externalStorageStats = safeLazy {
+                context.getExternalFilesDir(null)
+                    ?.takeIf { it.canRead() }
+                    ?.let { StatFs(it.absolutePath!!) }!!
+            },
         )
     }
 
     private fun createOsBuildInfoProvider() = OsBuildInfoProviderImpl()
 
-    private fun createGsfIdProvider(context: Context) = GsfIdProvider(context.contentResolver!!)
+    private fun createGsfIdProvider(context: Context) = GsfIdProvider(
+        safe { context.contentResolver!! }.getOrDefault(null)
+    )
 
     private fun createMediaDrmProvider() = MediaDrmIdProvider()
 
-    private fun createAndroidIdProvider(context: Context) =
-        AndroidIdProvider(context.contentResolver!!)
+    private fun createAndroidIdProvider(context: Context) = AndroidIdProvider(
+        safe { context.contentResolver!! }.getOrDefault(null)
+    )
 
     private fun createSensorDataSource(context: Context) = SensorDataSourceImpl(
-        context.getSystemService(Context.SENSOR_SERVICE) as SensorManager
+        safeLazy { context.getSystemService(Context.SENSOR_SERVICE) as SensorManager }
     )
 
     private fun createInputDevicesDataSource(context: Context) = InputDevicesDataSourceImpl(
-        context.getSystemService(Context.INPUT_SERVICE) as InputManager
+        safeLazy { context.getSystemService(Context.INPUT_SERVICE) as InputManager }
     )
 
     private fun createPackageManagerDataSource(context: Context) = PackageManagerDataSourceImpl(
-        context.packageManager
+        safeLazy { context.packageManager!! }
     )
 
     private fun createSettingsDataSource(context: Context) = SettingsDataSourceImpl(
-        context.contentResolver
+        safeLazy { context.contentResolver!! }
     )
 
 
     private fun createDevicePersonalizationDataSource(context: Context) =
         DevicePersonalizationInfoProviderImpl(
-            RingtoneManager(context),
-            context.assets,
-            context.resources.configuration
+            ringtoneManager = safeLazy { RingtoneManager(context) },
+            assetManager = safeLazy { context.assets!! },
+            configuration = safeLazy { context.resources!!.configuration!! },
         )
 
     private fun createFingerprintSensorStatusProvider(context: Context) =
         FingerprintSensorInfoProviderImpl(
-            FingerprintManagerCompat.from(context)
+            safeLazy { FingerprintManagerCompat.from(context)!! }
         )
 
     private fun createDeviceSecurityProvider(context: Context) = DeviceSecurityInfoProviderImpl(
-        context.getSystemService(Context.DEVICE_POLICY_SERVICE) as? DevicePolicyManager,
-        context.getSystemService(Context.KEYGUARD_SERVICE) as? KeyguardManager
+        safeLazy { context.getSystemService(Context.DEVICE_POLICY_SERVICE) as DevicePolicyManager },
+        safeLazy { context.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager },
     )
 
     private fun createCodecInfoProvider() = CodecInfoProviderImpl(
-        MediaCodecList(MediaCodecList.ALL_CODECS)
+        safeLazy { MediaCodecList(MediaCodecList.ALL_CODECS) }
     )
 
-    private fun createBatteryInfoDataSource(context: Context) = BatteryInfoProviderImpl(
-        context
-    )
+    private fun createBatteryInfoDataSource(context: Context) = BatteryInfoProviderImpl(context)
 
-    private fun createCameraInfoProvider(): CameraInfoProvider {
-        return CameraInfoProviderImpl()
-    }
+    private fun createCameraInfoProvider(): CameraInfoProvider = CameraInfoProviderImpl()
 
     private fun createGpuInfoProvider(context: Context) =
-        GpuInfoProviderImpl(context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager)
+        GpuInfoProviderImpl(safeLazy { context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager } )
 
     //endregion
 

fingerprint/src/main/java/com/fingerprintjs/android/fingerprint/device_id_providers/AndroidIdProvider.kt

@@ -5,20 +5,20 @@ import android.annotation.SuppressLint
 import android.content.ContentResolver
 import android.provider.Settings
 import com.fingerprintjs.android.fingerprint.tools.DeprecationMessages
-import com.fingerprintjs.android.fingerprint.tools.executeSafe
+import com.fingerprintjs.android.fingerprint.tools.safe.safe
 
 
 @Deprecated(message = DeprecationMessages.UNREACHABLE_SYMBOL_UNINTENDED_PUBLIC_API)
 public class AndroidIdProvider(
-    private val contentResolver: ContentResolver
+    private val contentResolver: ContentResolver?
 ) {
     @SuppressLint("HardwareIds")
     public fun getAndroidId(): String {
-        return executeSafe({
+        return safe {
             Settings.Secure.getString(
-                contentResolver,
+                contentResolver!!,
                 Settings.Secure.ANDROID_ID
-            )
-        }, "")
+            )!!
+        }.getOrDefault("")
     }
 }