Analytics: add config to build.gradle

.idea/dictionaries/bmarty.xml

@@ -24,6 +24,7 @@
       <w>pbkdf</w>
       <w>pids</w>
       <w>pkcs</w>
+      <w>posthog</w>
       <w>previewable</w>
       <w>previewables</w>
       <w>pstn</w>

vector/build.gradle

@@ -233,6 +233,10 @@ android {
             // Set to true if you want to enable strict mode in debug
             buildConfigField "boolean", "ENABLE_STRICT_MODE_LOGS", "false"
 
+            // Analytics. Set to empty strings to just disable analytics
+            buildConfigField "String", "ANALYTICS_POSTHOG_HOST", "\"https://posthog.hss.element.io/\""
+            buildConfigField "String", "ANALYTICS_POSTHOG_API_KEY", "\"TODO\""
+
             signingConfig signingConfigs.debug
         }
 
@@ -243,6 +247,10 @@ android {
             buildConfigField "boolean", "LOW_PRIVACY_LOG_ENABLE", "false"
             buildConfigField "boolean", "ENABLE_STRICT_MODE_LOGS", "false"
 
+            // Analytics. Set to empty strings to just disable analytics
+            buildConfigField "String", "ANALYTICS_POSTHOG_HOST", "\"https://posthog-poc.lab.element.dev/\""
+            buildConfigField "String", "ANALYTICS_POSTHOG_API_KEY", "\"TODO\""
+
             postprocessing {
                 removeUnusedCode true
                 removeUnusedResources true

vector/src/main/java/im/vector/app/features/analytics/AnalyticsConfig.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2021 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.analytics
+
+import im.vector.app.BuildConfig
+import timber.log.Timber
+
+data class AnalyticsConfig(
+        val postHogHost: String,
+        val postHogApiKey: String
+) {
+    companion object {
+        /**
+         * Read the analytics config from the Build config
+         */
+        fun getConfig(): AnalyticsConfig? {
+            val postHogHost = BuildConfig.ANALYTICS_POSTHOG_HOST.takeIf { it.isNotEmpty() }
+                    ?: return null.also { Timber.w("Analytics is disabled, ANALYTICS_POSTHOG_HOST is empty") }
+            val postHogApiKey = BuildConfig.ANALYTICS_POSTHOG_API_KEY.takeIf { it.isNotEmpty() }
+                    ?: return null.also { Timber.w("Analytics is disabled, ANALYTICS_POSTHOG_API_KEY is empty") }
+
+            return AnalyticsConfig(
+                    postHogHost = postHogHost,
+                    postHogApiKey = postHogApiKey
+            )
+        }
+
+        fun isAnalyticsEnabled(): Boolean {
+            return getConfig() != null
+        }
+    }
+}

vector/src/main/java/im/vector/app/features/login/LoginSplashFragment.kt

@@ -27,6 +27,7 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.BuildConfig
 import im.vector.app.R
 import im.vector.app.databinding.FragmentLoginSplashBinding
+import im.vector.app.features.analytics.AnalyticsConfig
 import im.vector.app.features.analytics.ui.consent.AnalyticsConsentViewActions
 import im.vector.app.features.analytics.ui.consent.AnalyticsConsentViewModel
 import im.vector.app.features.analytics.ui.consent.AnalyticsConsentViewState
@@ -64,6 +65,7 @@ class LoginSplashFragment @Inject constructor(
     private fun setupViews() {
         views.loginSplashSubmit.debouncedClicks { getStarted() }
         // setOnCheckedChangeListener is to annoying since it does not distinguish user changes and code changes
+        views.loginSplashAnalyticsConsent.isVisible = AnalyticsConfig.isAnalyticsEnabled()
         views.loginSplashAnalyticsConsent.setOnClickListener {
             analyticsConsentViewModel.handle(AnalyticsConsentViewActions.SetUserConsent(
                     views.loginSplashAnalyticsConsent.isChecked

vector/src/main/res/layout/fragment_login_splash.xml

@@ -214,8 +214,10 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:text="@string/analytics_consent_splash"
+        android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
+        app:layout_constraintStart_toStartOf="parent"
+        tools:visibility="visible" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>