Android s

WorkManagerSample/app/build.gradle

@@ -26,7 +26,7 @@ android {
             useSupportLibrary true
         }
         // Switching to Renderscript support provided by framework.
-        minSdkVersion 18
+        minSdkVersion build_versions.min_sdk
         targetSdkVersion build_versions.target_sdk
         versionCode 1
         versionName "1.0"

WorkManagerSample/app/src/main/AndroidManifest.xml

@@ -33,13 +33,18 @@
         android:theme="@style/AppTheme">
 
         <provider
-                android:name="androidx.work.impl.WorkManagerInitializer"
-                android:authorities="${applicationId}.workmanager-init"
+                android:name="androidx.startup.InitializationProvider"
+                android:authorities="${applicationId}.androidx-startup"
                 android:directBootAware="false"
                 android:exported="false"
                 android:multiprocess="true"
-                tools:node="remove"
-                tools:targetApi="n" />
+                tools:targetApi="n"
+                tools:node="merge">
+            <meta-data
+                android:name="androidx.work.WorkManagerInitializer"
+                android:value="androidx.startup"
+                tools:node="remove" />
+    </provider>
 
         <activity android:name=".SelectImageActivity">
             <intent-filter>

WorkManagerSample/app/src/main/java/com/example/background/FilterActivity.kt

@@ -40,7 +40,7 @@ class FilterActivity : AppCompatActivity() {
             setContentView(root)
             bindViews(this)
             // Check to see if we have output.
-            viewModel.workInfo.observe(this@FilterActivity) { info ->
+            viewModel.workInfo?.observe(this@FilterActivity) { info ->
                 onStateChange(info, this)
             }
         }

WorkManagerSample/app/src/main/java/com/example/background/FilterViewModel.kt

@@ -32,7 +32,11 @@ class FilterViewModel(application: Application) : ViewModel() {
     private val workManager = WorkManager.getInstance(application)
 
     internal val workInfo =
-        workManager.getWorkInfosByTagLiveData(Constants.TAG_OUTPUT).map { it[0] }
+        workManager.getWorkInfosByTagLiveData(Constants.TAG_OUTPUT).takeIf {
+            it.value != null
+        }?.map {
+            it[0]
+        }
 
     internal fun apply(imageOperations: ImageOperations) {
         imageOperations.continuation.enqueue()

WorkManagerSample/lib/build.gradle

@@ -26,7 +26,7 @@ android {
             useSupportLibrary true
         }
         // Switching to Renderscript support provided by framework.
-        minSdkVersion 18
+        minSdkVersion build_versions.min_sdk
         targetSdkVersion build_versions.target_sdk
         versionCode 1
         versionName "1.0"

WorkManagerSample/lib/src/main/java/com/example/background/ImageOperations.kt

@@ -19,14 +19,7 @@ package com.example.background
 import android.annotation.SuppressLint
 import android.content.Context
 import android.net.Uri
-import androidx.work.Data
-import androidx.work.ExistingWorkPolicy
-import androidx.work.ListenableWorker
-import androidx.work.OneTimeWorkRequest
-import androidx.work.OneTimeWorkRequestBuilder
-import androidx.work.WorkContinuation
-import androidx.work.WorkManager
-import androidx.work.workDataOf
+import androidx.work.*
 import com.example.background.workers.CleanupWorker
 import com.example.background.workers.SaveImageToGalleryWorker
 import com.example.background.workers.UploadWorker
@@ -90,6 +83,7 @@ class ImageOperations(
     ) =
         OneTimeWorkRequestBuilder<T>().apply {
             setInputData(inputData)
+            setExpedited(OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST)
             if (!tag.isNullOrEmpty()) {
                 addTag(tag)
             }

WorkManagerSample/lib/src/main/java/com/example/background/workers/filters/BaseFilterWorker.kt

@@ -31,11 +31,7 @@ import android.util.Log
 import androidx.annotation.StringRes
 import androidx.annotation.VisibleForTesting
 import androidx.core.app.NotificationCompat.Builder
-import androidx.work.CoroutineWorker
-import androidx.work.ForegroundInfo
-import androidx.work.WorkManager
-import androidx.work.WorkerParameters
-import androidx.work.workDataOf
+import androidx.work.*
 import com.example.background.Constants
 import com.example.background.library.R
 import java.io.File
@@ -55,7 +51,6 @@ abstract class BaseFilterWorker(context: Context, parameters: WorkerParameters)
         val resourceUri = inputData.getString(Constants.KEY_IMAGE_URI) ?:
         throw IllegalArgumentException("Invalid input uri")
         return try {
-            setForeground(createForegroundInfo())
             val inputStream = inputStreamFor(applicationContext, resourceUri)
             val bitmap = BitmapFactory.decodeStream(inputStream)
             val output = applyFilter(bitmap)
@@ -109,7 +104,7 @@ abstract class BaseFilterWorker(context: Context, parameters: WorkerParameters)
     /**
      * Create ForegroundInfo required to run a Worker in a foreground service.
      */
-    private fun createForegroundInfo(): ForegroundInfo {
+    override suspend fun getForegroundInfo(): ForegroundInfo {
         // For a real world app you might want to use a different id for each Notification.
         val notificationId = 1
         return ForegroundInfo(notificationId, createNotification())

WorkManagerSample/versions.gradle

@@ -62,12 +62,12 @@ versions.rxjava2 = "2.1.3"
 versions.timber = "4.7.1"
 versions.transition = "1.3.0"
 versions.truth = "1.0.1"
-versions.work = "2.4.0"
+versions.work = "2.7.0-beta01"
 ext.versions = versions
 
 def build_versions = [:]
-build_versions.min_sdk = 14
-build_versions.compile_sdk = 29
+build_versions.min_sdk = 21
+build_versions.compile_sdk = 'android-S'
 build_versions.target_sdk = 29
 build_versions.build_tools = "29.0.3"
 ext.build_versions = build_versions