Glean integration

app/build.gradle

@@ -2,6 +2,10 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+plugins {
+    id "com.jetbrains.python.envs" version "0.0.25"
+}
+
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
@@ -94,6 +98,16 @@ android.applicationVariants.all { variant ->
         buildConfigField 'boolean', 'CRASH_REPORTING_ENABLED', 'false'
     }
 
+// -------------------------------------------------------------------------------------------------
+// Activating telemetry  with command line paramter.
+// -------------------------------------------------------------------------------------------------
+
+if (project.hasProperty("telemetry") && project.property("telemetry") == "true") {
+    buildConfigField 'boolean', 'TELEMETRY_ENABLED', 'true'
+} else {
+    buildConfigField 'boolean', 'TELEMETRY_ENABLED', 'false'
+}
+
 // -------------------------------------------------------------------------------------------------
 // Generating version codes for Google Play
 // -------------------------------------------------------------------------------------------------
@@ -158,6 +172,7 @@ dependencies {
     implementation Deps.mozilla_ui_colors
 
     implementation Deps.mozilla_service_firefox_accounts
+    implementation Deps.mozilla_service_glean
 
     implementation Deps.mozilla_support_utils
     implementation Deps.mozilla_support_ktx
@@ -215,3 +230,7 @@ task printBuildVariants {
         println "variants: " + groovy.json.JsonOutput.toJson(buildVariants)
     }
 }
+
+// Normally this should use the same version as the dependency. But since we are using snapshots we can't reference a
+// git tag. So we are just using "master" and hoping for the best.
+apply from: 'https://github.com/mozilla-mobile/android-components/raw/master/components/service/glean/scripts/sdk_generator.gradle'

app/src/main/java/org/mozilla/reference/browser/BrowserApplication.kt

@@ -5,10 +5,12 @@
 package org.mozilla.reference.browser
 
 import android.app.Application
+import mozilla.components.service.glean.Glean
 import mozilla.components.support.base.log.Log
 import mozilla.components.support.base.log.logger.Logger
 import mozilla.components.support.base.log.sink.AndroidLogSink
 import org.mozilla.reference.browser.ext.isCrashReportActive
+import org.mozilla.reference.browser.settings.Settings
 
 class BrowserApplication : Application() {
     val components by lazy { Components(this) }
@@ -19,6 +21,9 @@ class BrowserApplication : Application() {
         // We want the log messages of all builds to go to Android logcat
         Log.addSink(AndroidLogSink())
 
+        Glean.initialize(this)
+        Glean.setMetricsEnabled(BuildConfig.TELEMETRY_ENABLED && Settings.isTelemetryEnabled(this))
+
         if (isCrashReportActive) {
             components.analytics.crashReporter.install(this)
         }

app/src/main/java/org/mozilla/reference/browser/settings/Settings.kt

@@ -0,0 +1,15 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.reference.browser.settings
+
+import android.content.Context
+import android.preference.PreferenceManager
+import org.mozilla.reference.browser.R
+
+object Settings {
+    fun isTelemetryEnabled(context: Context): Boolean =
+        PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
+            context.getString(R.string.pref_key_telemetry), true)
+}

buildSrc/src/main/java/Dependencies.kt

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // Synchronized version numbers for dependencies used by (some) modules
-private object Versions {
+object Versions {
     const val kotlin = "1.3.10"
     const val coroutines = "1.0.1"
 
@@ -68,6 +68,7 @@ object Deps {
     const val mozilla_ui_colors = "org.mozilla.components:ui-colors:${Versions.mozilla_android_components}"
 
     const val mozilla_service_firefox_accounts = "org.mozilla.components:service-firefox-accounts:${Versions.mozilla_android_components}"
+    const val mozilla_service_glean = "org.mozilla.components:service-glean:${Versions.mozilla_android_components}"
 
     const val mozilla_support_utils = "org.mozilla.components:support-utils:${Versions.mozilla_android_components}"
     const val mozilla_support_ktx= "org.mozilla.components:support-ktx:${Versions.mozilla_android_components}"