300 lines
12 KiB
Kotlin
300 lines
12 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix
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import android.annotation.SuppressLint
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import android.app.Application
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import android.os.Build
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import android.os.Build.VERSION.SDK_INT
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import android.os.StrictMode
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import androidx.annotation.CallSuper
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import androidx.appcompat.app.AppCompatDelegate
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import androidx.core.content.getSystemService
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import io.reactivex.plugins.RxJavaPlugins
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import kotlinx.coroutines.async
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.runBlocking
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import kotlinx.coroutines.Deferred
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.GlobalScope
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import mozilla.appservices.Megazord
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import mozilla.components.concept.push.PushProcessor
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import mozilla.components.service.experiments.Experiments
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import mozilla.components.service.fretboard.Fretboard
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import mozilla.components.service.fretboard.source.kinto.KintoExperimentSource
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import mozilla.components.service.fretboard.storage.flatfile.FlatFileExperimentStorage
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import mozilla.components.support.base.log.Log
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import mozilla.components.support.base.log.logger.Logger
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import mozilla.components.support.base.log.sink.AndroidLogSink
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import mozilla.components.support.ktx.android.content.isMainProcess
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import mozilla.components.support.ktx.android.content.runOnlyInMainProcess
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import mozilla.components.support.rusthttp.RustHttpConfig
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import mozilla.components.support.rustlog.RustLog
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import org.mozilla.fenix.GleanMetrics.ExperimentsMetrics
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import org.mozilla.fenix.components.Components
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import org.mozilla.fenix.ext.settings
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import org.mozilla.fenix.session.NotificationSessionObserver
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import org.mozilla.fenix.session.VisibilityLifecycleCallback
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import java.io.File
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@SuppressLint("Registered")
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@Suppress("TooManyFunctions")
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open class FenixApplication : Application() {
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lateinit var fretboard: Fretboard
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lateinit var experimentLoader: Deferred<Boolean>
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open val components by lazy { Components(this) }
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var visibilityLifecycleCallback: VisibilityLifecycleCallback? = null
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private set
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override fun onCreate() {
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super.onCreate()
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setupInAllProcesses()
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if (!isMainProcess()) {
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// If this is not the main process then do not continue with the initialization here. Everything that
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// follows only needs to be done in our app's main process and should not be done in other processes like
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// a GeckoView child process or the crash handling process. Most importantly we never want to end up in a
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// situation where we create a GeckoRuntime from the Gecko child process.
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return
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}
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setupInMainProcessOnly()
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}
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@CallSuper
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open fun setupInAllProcesses() {
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setupCrashReporting()
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// We want the log messages of all builds to go to Android logcat
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Log.addSink(AndroidLogSink())
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}
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@CallSuper
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open fun setupInMainProcessOnly() {
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run {
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// Attention: Do not invoke any code from a-s in this scope.
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val megazordSetup = setupMegazord()
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setDayNightTheme()
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registerRxExceptionHandling()
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enableStrictMode()
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// Make sure the engine is initialized and ready to use.
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components.core.engine.warmUp()
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// Just to make sure it is impossible for any application-services pieces
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// to invoke parts of itself that require complete megazord initialization
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// before that process completes, we wait here, if necessary.
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if (!megazordSetup.isCompleted) {
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runBlocking { megazordSetup.await(); }
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}
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}
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// We want to call this function as early as possible, but only once and
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// on the main process, as it uses Gecko to fetch experiments from the server.
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experimentLoader = loadExperiments()
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// Enable the service-experiments component
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if (settings().isExperimentationEnabled && Config.channel.isReleaseOrBeta) {
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Experiments.initialize(
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applicationContext,
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mozilla.components.service.experiments.Configuration(
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httpClient = lazy(LazyThreadSafetyMode.NONE) { components.core.client }
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)
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)
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}
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// When the `fenix-test-2019-08-05` experiment is active, record its branch in Glean
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// telemetry. This will be used to validate that the experiment system correctly enrolls
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// clients and segments them into branches. Note that this will not take effect the first
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// time the application has launched, since there won't be enough time for the experiments
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// library to get a list of experiments. It will take effect the second time the
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// application is launched.
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Experiments.withExperiment("fenix-test-2019-08-05") { branchName ->
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ExperimentsMetrics.activeExperiment.set(branchName)
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}
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setupLeakCanary()
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if (settings().isTelemetryEnabled) {
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components.analytics.metrics.start()
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}
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setupPush()
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visibilityLifecycleCallback = VisibilityLifecycleCallback(getSystemService())
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registerActivityLifecycleCallbacks(visibilityLifecycleCallback)
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components.core.sessionManager.register(NotificationSessionObserver(this))
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if ((System.currentTimeMillis() - settings().lastPlacesStorageMaintenance) > ONE_DAY_MILLIS) {
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runStorageMaintenance()
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}
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}
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private fun runStorageMaintenance() {
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GlobalScope.launch(Dispatchers.IO) {
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// Bookmarks and history storage sit on top of the same db file so we only need to
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// run maintenance on one - arbitrarily using bookmarks.
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components.core.bookmarksStorage.runMaintenance()
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}
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settings().lastPlacesStorageMaintenance = System.currentTimeMillis()
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}
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private fun registerRxExceptionHandling() {
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RxJavaPlugins.setErrorHandler {
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throw it.cause ?: it
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}
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}
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protected open fun setupLeakCanary() {
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// no-op, LeakCanary is disabled by default
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}
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open fun updateLeakCanaryState(isEnabled: Boolean) {
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// no-op, LeakCanary is disabled by default
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}
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private fun loadExperiments(): Deferred<Boolean> {
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val experimentsFile = File(filesDir, EXPERIMENTS_JSON_FILENAME)
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val experimentSource = KintoExperimentSource(
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EXPERIMENTS_BASE_URL,
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EXPERIMENTS_BUCKET_NAME,
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EXPERIMENTS_COLLECTION_NAME,
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components.core.client
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)
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// TODO add ValueProvider to keep clientID in sync with Glean when ready
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fretboard = Fretboard(experimentSource, FlatFileExperimentStorage(experimentsFile))
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return GlobalScope.async(Dispatchers.IO) {
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fretboard.loadExperiments()
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Logger.debug("Bucket is ${fretboard.getUserBucket(this@FenixApplication)}")
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Logger.debug("Experiments active: ${fretboard.getExperimentsMap(this@FenixApplication)}")
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fretboard.updateExperiments()
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return@async true
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}
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}
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private fun setupPush() {
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// Sets the PushFeature as the singleton instance for push messages to go to.
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// We need the push feature setup here to deliver messages in the case where the service
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// starts up the app first.
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components.backgroundServices.push?.let { autoPushFeature ->
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Logger.info("AutoPushFeature is configured, initializing it...")
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// Install the AutoPush singleton to receive messages.
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PushProcessor.install(autoPushFeature)
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// Initialize the service. This could potentially be done in a coroutine in the future.
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autoPushFeature.initialize()
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}
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}
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private fun setupCrashReporting() {
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components
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.analytics
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.crashReporter
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.install(this)
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}
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/**
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* Initiate Megazord sequence! Megazord Battle Mode!
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*
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* The application-services combined libraries are known as the "megazord". The default megazord
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* contains several features that fenix doesn't need, and so we swap out with a customized fenix-specific
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* version of the megazord. The best explanation for what this is, and why it's done is the a-s
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* documentation on the topic:
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* - https://github.com/mozilla/application-services/blob/master/docs/design/megazords.md
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* - https://mozilla.github.io/application-services/docs/applications/consuming-megazord-libraries.html
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*/
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private fun setupMegazord(): Deferred<Unit> {
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// Note: Megazord.init() must be called as soon as possible ...
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Megazord.init()
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return GlobalScope.async(Dispatchers.IO) {
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// ... but RustHttpConfig.setClient() and RustLog.enable() can be called later.
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RustHttpConfig.setClient(lazy { components.core.client })
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RustLog.enable()
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}
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}
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override fun onTrimMemory(level: Int) {
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super.onTrimMemory(level)
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runOnlyInMainProcess {
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components.core.sessionManager.onLowMemory()
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}
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}
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@SuppressLint("WrongConstant")
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// Suppressing erroneous lint warning about using MODE_NIGHT_AUTO_BATTERY, a likely library bug
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private fun setDayNightTheme() {
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val settings = this.settings()
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when {
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settings.shouldUseLightTheme -> {
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AppCompatDelegate.setDefaultNightMode(
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AppCompatDelegate.MODE_NIGHT_NO
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)
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}
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settings.shouldUseDarkTheme -> {
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AppCompatDelegate.setDefaultNightMode(
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AppCompatDelegate.MODE_NIGHT_YES
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)
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}
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SDK_INT < Build.VERSION_CODES.P && settings.shouldUseAutoBatteryTheme -> {
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AppCompatDelegate.setDefaultNightMode(
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AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY
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)
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}
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SDK_INT >= Build.VERSION_CODES.P && settings.shouldFollowDeviceTheme -> {
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AppCompatDelegate.setDefaultNightMode(
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AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
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)
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}
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// First run of app no default set, set the default to Follow System for 28+ and Normal Mode otherwise
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else -> {
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if (SDK_INT >= Build.VERSION_CODES.P) {
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AppCompatDelegate.setDefaultNightMode(
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AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
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)
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settings.shouldFollowDeviceTheme = true
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} else {
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AppCompatDelegate.setDefaultNightMode(
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AppCompatDelegate.MODE_NIGHT_NO
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)
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settings.shouldUseLightTheme = true
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}
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}
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}
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}
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private fun enableStrictMode() {
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if (BuildConfig.DEBUG) {
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StrictMode.setThreadPolicy(
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StrictMode.ThreadPolicy.Builder()
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.detectAll()
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.penaltyLog()
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.build()
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)
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var builder = StrictMode.VmPolicy.Builder()
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.detectLeakedSqlLiteObjects()
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.detectLeakedClosableObjects()
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.detectLeakedRegistrationObjects()
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.detectActivityLeaks()
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.detectFileUriExposure()
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.penaltyLog()
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if (SDK_INT >= Build.VERSION_CODES.O) builder =
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builder.detectContentUriWithoutPermission()
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if (SDK_INT >= Build.VERSION_CODES.P) builder = builder.detectNonSdkApiUsage()
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StrictMode.setVmPolicy(builder.build())
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}
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}
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companion object {
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private const val ONE_DAY_MILLIS = 24 * 60 * 60 * 1000
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}
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}
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