我希望使用Dagger 2与WorkManager一起注入worker的依赖。我按照这篇文章来实现设置。设置的一部分是按需初始化。为了实现它,我将以下行添加到我的清单文件中:
<provider
android:name="androidx.work.impl.WorkManagerInitializer"
android:authorities="${applicationId}.workmanager-init"
android:exported="false"
tools:node="remove" />
我让我的应用程序类实现了Configuration.Provider
接口,代码如下:
@NonNull
@Override
public Configuration getWorkManagerConfiguration() {
return new Configuration.Builder().setMinimumLoggingLevel(Log.DEBUG).setWorkerFactory(delegatingWorkerFactory).build();
}
Dagger的设置按照预期工作。
然而,我遇到了以下问题:在中,我会排队唯一的定期任务,并且在应用程序的第一次安装中,此操作总是失败并显示以下错误:
java.lang.IllegalStateException: The file system on the device is in a bad state. WorkManager cannot access the app's internal data store.
at androidx.work.impl.utils.ForceStopRunnable.run(ForceStopRunnable.java:115)
at androidx.work.impl.utils.SerialExecutor$Task.run(SerialExecutor.java:91)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:764)
Caused by: android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14 SQLITE_CANTOPEN): Could not open database
at android.database.sqlite.SQLiteConnection.nativeOpen(Native Method)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:211)
at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:195)
at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:503)
at android.database.sqlite.SQLiteConnectionPool.tryAcquireNonPrimaryConnectionLocked(SQLiteConnectionPool.java:987)
at android.database.sqlite.SQLiteConnectionPool.waitForConnection(SQLiteConnectionPool.java:693)
at android.database.sqlite.SQLiteConnectionPool.acquireConnection(SQLiteConnectionPool.java:378)
at android.database.sqlite.SQLiteSession.acquireConnection(SQLiteSession.java:894)
at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:586)
at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
at android.database.sqlite.SQLiteQuery.<init>(SQLiteQuery.java:37)
at android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:46)
at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1408)
at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1383)
at androidx.sqlite.db.framework.FrameworkSQLiteDatabase.query(FrameworkSQLiteDatabase.java:161)
at androidx.room.RoomDatabase.query(RoomDatabase.java:328)
at androidx.room.util.DBUtil.query(DBUtil.java:83)
at androidx.work.impl.model.PreferenceDao_Impl.getLongValue(PreferenceDao_Impl.java:70)
at androidx.work.impl.utils.PreferenceUtils.getNeedsReschedule(PreferenceUtils.java:96)
at androidx.work.impl.utils.ForceStopRunnable.shouldRescheduleWorkers(ForceStopRunnable.java:187)
at androidx.work.impl.utils.ForceStopRunnable.run(ForceStopRunnable.java:88)
at androidx.work.impl.utils.SerialExecutor$Task.run(SerialExecutor.java:91)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:764)
如果我将在
Application#onCreate
中排队的代码移到应用程序生命周期的后期(例如某个活动),则它就不会失败。我没有发现任何关于从
Application#onCreate
排队工作的限制,因此我认为它必须正常工作。我正在使用WorkManager 2.3.4和Room 2.2.5。我尝试将Room降级到2.2.2以及将WorkManager降级到几个较旧的稳定版本,但这并没有帮助。问题在不同设备和模拟器上复现,并且在不同的Android版本上都有这个问题。我如何解决这个问题并保持在
Application#onCreate
中排队工作?编辑:以下是我的工作排队方法:
workManagerProvider.get().enqueueUniquePeriodicWork(
"Unique name",
ExistingPeriodicWorkPolicy.REPLACE,
request
)
其中workManagerProvider
是Provider<WorkManager>
。由于存在循环依赖,我无法直接访问工作管理器,因此必须从Dagger获取提供程序,然后才能使用它。 这与主题无关。
Application#onCreate
之前,数据库没有被初始化。 - undefined