Merge pull request #650 from android/tj/manual-sync

Initialize sync manually

gradle/libs.versions.toml

@@ -87,7 +87,6 @@ androidx-metrics = { group = "androidx.metrics", name = "metrics-performance", v
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "androidxNavigation" }
 androidx-navigation-testing = { group = "androidx.navigation", name = "navigation-testing", version.ref = "androidxNavigation" }
 androidx-profileinstaller = { group = "androidx.profileinstaller", name = "profileinstaller", version.ref = "androidxProfileinstaller" }
-androidx-startup = { group = "androidx.startup", name = "startup-runtime", version.ref = "androidxStartup" }
 androidx-test-core = { group = "androidx.test", name = "core", version.ref = "androidxTestCore" }
 androidx-test-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "androidxEspresso" }
 androidx-test-ext = { group = "androidx.test.ext", name = "junit-ktx", version.ref = "androidxTestExt" }

sync/work/build.gradle.kts

@@ -33,7 +33,6 @@ dependencies {
     implementation(project(":core:datastore"))
     implementation(project(":core:model"))
     implementation(libs.androidx.lifecycle.livedata.ktx)
-    implementation(libs.androidx.startup)
     implementation(libs.androidx.tracing.ktx)
     implementation(libs.androidx.work.ktx)
     implementation(libs.firebase.cloud.messaging)

sync/work/src/demo/AndroidManifest.xml

@@ -18,17 +18,6 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application>
-        <provider
-            android:name="androidx.startup.InitializationProvider"
-            android:authorities="${applicationId}.androidx-startup"
-            android:exported="false"
-            tools:node="merge">
-            <!--  TODO: b/2173216 Disable auto sync startup till it works well with instrumented tests   -->
-            <meta-data
-                android:name="com.google.samples.apps.nowinandroid.sync.initializers.SyncInitializer"
-                android:value="androidx.startup"
-                tools:node="remove" />
-        </provider>
         <service
             android:name=".services.SyncNotificationsService"
             android:exported="false"

sync/work/src/main/AndroidManifest.xml

@@ -18,17 +18,6 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application>
-        <provider
-            android:name="androidx.startup.InitializationProvider"
-            android:authorities="${applicationId}.androidx-startup"
-            android:exported="false"
-            tools:node="merge">
-            <!--  TODO: b/2173216 Disable auto sync startup till it works well with instrumented tests   -->
-            <meta-data
-                android:name="com.google.samples.apps.nowinandroid.sync.initializers.SyncInitializer"
-                android:value="androidx.startup"
-                tools:node="remove" />
-        </provider>
         <service
             android:name=".services.SyncNotificationsService"
             android:exported="false">

sync/work/src/main/java/com/google/samples/apps/nowinandroid/sync/initializers/SyncInitializer.kt

@@ -17,31 +17,14 @@
 package com.google.samples.apps.nowinandroid.sync.initializers
 
 import android.content.Context
-import androidx.startup.AppInitializer
-import androidx.startup.Initializer
 import androidx.work.ExistingWorkPolicy
 import androidx.work.WorkManager
-import androidx.work.WorkManagerInitializer
 import com.google.samples.apps.nowinandroid.sync.workers.SyncWorker
 
 object Sync {
-    // This method is a workaround to manually initialize the sync process instead of relying on
+    // This method is initializes sync, the process that keeps the app's data current.
-    // automatic initialization with Androidx Startup. It is called from the app module's
+    // It is called from the app module's Application.onCreate() and should be only done once.
-    // Application.onCreate() and should be only done once.
     fun initialize(context: Context) {
-        AppInitializer.getInstance(context)
-            .initializeComponent(SyncInitializer::class.java)
-    }
-}
-
-// This name should not be changed otherwise the app may have concurrent sync requests running
-internal const val SyncWorkName = "SyncWorkName"
-
-/**
- * Registers work to sync the data layer periodically on app startup.
- */
-class SyncInitializer : Initializer<Sync> {
-    override fun create(context: Context): Sync {
         WorkManager.getInstance(context).apply {
             // Run sync on app startup and ensure only one sync worker runs at any time
             enqueueUniqueWork(
@@ -50,10 +33,8 @@ class SyncInitializer : Initializer<Sync> {
                 SyncWorker.startUpSyncWork(),
             )
         }
-
-        return Sync
     }
-
-    override fun dependencies(): List<Class<out Initializer<*>>> =
-        listOf(WorkManagerInitializer::class.java)
 }
+
+// This name should not be changed otherwise the app may have concurrent sync requests running
+internal const val SyncWorkName = "SyncWorkName"