Calendar.Events?.get(calendarId, eventId) 抛出 android.os.NetworkOnMainThreadException 错误
Calendar.Events?.get(calendarId, eventId) throws a android.os.NetworkOnMainThreadException error
我有一个问题,如果我使用 Google 日历 Java 库通过 ID 搜索事件,它不会 return 任何东西并抛出错误。我有以下代码:
@Module
class GoogleCalendarsApiServiceModule @Inject constructor(): IGoogleCalendarsApiServiceModule {
private lateinit var googleCalendarService: Calendar
private val httpTransport: NetHttpTransport = NetHttpTransport()
private val subscriptions: Disposable = Disposable.empty()
init {
this.subscriptions.apply {
AndroidContextObservable.context()
.subscribe { context ->
val googleCredential = GoogleCredentialsBuilder.getCredentials(httpTransport, context)
googleCalendarService = ServiceBuilder.buildGoogleCalendarService(googleCredential, httpTransport)
}
}
}
fun finalize() {
this.subscriptions.dispose()
}
override fun getEventById(eventId: String): Observable<Event> {
return Observable.create { subscriber ->
val calendarEvents: Calendar.Events? = googleCalendarService.events()
val event: Event = calendarEvents!!
.get("primary", eventId)
.execute()
subscriber.onNext(event)
subscriber.onComplete()
}
}
}
然后被上一层的服务称为映射:
@Module
class GoogleCalendarService @Inject constructor(): IGoogleCalendarService {
@Inject
lateinit var googleCalendarsApiServiceModule: GoogleCalendarsApiServiceModule
init {
DaggerServiceModuleComponent.create().inject(this)
}
override fun getCalendarEventById(eventId: String): Observable<MeetingEvent> {
return this.googleCalendarsApiServiceModule.getEventById(eventId)
.map { mapMeetingEvent(it) }
.onErrorReturn { throw Exception(it) }
}
}
然后我得到错误:I/System.out: io.reactivex.rxjava3.exceptions.CompositeException: 2 exceptions occurred.
当我调试时,问题是没有从 Calendar.Events?.get()
编辑 return。我对此有点困惑,因为如果我转到 https://developers.google.com/calendar/v3/reference/events/get 并使用 ID 为...的交互式 API 假设 2ilol72ocluq4i1mvlbqn7egel
(一个实际存在的事件 ID,并且是此应用程序使用),我得到以下响应:
{
"kind": "calendar#event",
"etag": "\"3168457487134000\"",
"id": "2ilol72ocluq4i1mvlbqn7egel",
"status": "confirmed",
"htmlLink": "https://www.google.com/calendar/event?eid=Mmlsb2w3Mm9jbHVxNGkxbXZsYnFuN2VnZWwgZnJlZW1hbi5tYXJjODgwQG0",
"created": "2020-03-14T23:32:23.000Z",
"updated": "2020-03-14T23:32:23.567Z",
"summary": "TEST123",
"description": "Test123",
"location": "IKEA Room",
"creator": {
"email": "example@email.com",
"self": true
},
"organizer": {
"email": "example@email.com",
"self": true
},
"start": {
"dateTime": "2020-03-14T23:32:00Z"
},
"end": {
"dateTime": "2020-03-15T00:32:00Z"
},
"iCalUID": "2ilol72ocluq4i1mvlbqn7egel@google.com",
"sequence": 0,
"reminders": {
"useDefault": true
}
}
对于可能导致此问题的原因,有人有任何建议吗?
我也试过只获取列表并根据 ID 过滤它:
override fun getCalendarEventsByRoomName(eventId: String): Observable<Event> {
return Observable.create { subscriber ->
val now = DateTime(System.currentTimeMillis())
val events: Calendar.Events? = googleCalendarService.events()
val event = events!!.list("primary")
.setQ(eventId) // <-- use the event ID as a query
.setMaxResults(1)
.setOrderBy("startTime")
.setSingleEvents(true)
.execute()
subscriber.onNext(event )
subscriber.onComplete()
}
}
但这return没什么,这与 googleCalendarService.events().list()
的交互式 API 中的结果相同
编辑:进一步调试显示以下错误:
android.os.NetworkOnMainThreadException
表示可疑代码行在调用 activity 内:
class ViewMeetingEventDataActivity: AppCompatActivity() {
@Inject lateinit var bundleUtilityModule: BundleUtilityModule
@Inject lateinit var fragmentUtilityModule: FragmentUtilityModule
@Inject lateinit var googleCalendarService: GoogleCalendarService
private val subscriptions: Disposable = Disposable.empty()
private lateinit var eventId: String
private lateinit var event: MeetingEvent;
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
AndroidContextObservable.setContext(this)
DaggerServiceModuleComponent.create().inject(this)
DaggerUtilityModuleComponent.create().inject(this)
this.eventId = intent.getStringExtra(BundleData.MEETING_EVENT_ID.name)!!
this.subscriptions.apply {
googleCalendarService.getCalendarEventById(eventId)
.subscribe(
{ meetingEvent: MeetingEvent -> event = meetingEvent; println(meetingEvent.description + "Hello") },
{}
)
}
}
override fun onDestroy() {
super.onDestroy()
this.subscriptions.dispose()
}
}
其中 this._subscriptions.apply {}
被调用。
设法使用以下代码解决了问题:
this.subscriptions.apply {
googleCalendarService.getCalendarEventById(eventId)
.subscribeOn(Schedulers.io())
.subscribe(
{ meetingEvent: MeetingEvent -> event = meetingEvent },
{}
)
}
问题是原来的区块:
this.subscriptions.apply {
googleCalendarService.getCalendarEventById(eventId)
.subscribe(
{ meetingEvent: MeetingEvent -> event = meetingEvent },
{}
)
}
在调用 activity 时阻塞了主 UI 线程。然而,错误被 GoogleCalendarService 吞没了。我们现在调用 subscribeOn()
来解决这个问题。
我有一个问题,如果我使用 Google 日历 Java 库通过 ID 搜索事件,它不会 return 任何东西并抛出错误。我有以下代码:
@Module
class GoogleCalendarsApiServiceModule @Inject constructor(): IGoogleCalendarsApiServiceModule {
private lateinit var googleCalendarService: Calendar
private val httpTransport: NetHttpTransport = NetHttpTransport()
private val subscriptions: Disposable = Disposable.empty()
init {
this.subscriptions.apply {
AndroidContextObservable.context()
.subscribe { context ->
val googleCredential = GoogleCredentialsBuilder.getCredentials(httpTransport, context)
googleCalendarService = ServiceBuilder.buildGoogleCalendarService(googleCredential, httpTransport)
}
}
}
fun finalize() {
this.subscriptions.dispose()
}
override fun getEventById(eventId: String): Observable<Event> {
return Observable.create { subscriber ->
val calendarEvents: Calendar.Events? = googleCalendarService.events()
val event: Event = calendarEvents!!
.get("primary", eventId)
.execute()
subscriber.onNext(event)
subscriber.onComplete()
}
}
}
然后被上一层的服务称为映射:
@Module
class GoogleCalendarService @Inject constructor(): IGoogleCalendarService {
@Inject
lateinit var googleCalendarsApiServiceModule: GoogleCalendarsApiServiceModule
init {
DaggerServiceModuleComponent.create().inject(this)
}
override fun getCalendarEventById(eventId: String): Observable<MeetingEvent> {
return this.googleCalendarsApiServiceModule.getEventById(eventId)
.map { mapMeetingEvent(it) }
.onErrorReturn { throw Exception(it) }
}
}
然后我得到错误:I/System.out: io.reactivex.rxjava3.exceptions.CompositeException: 2 exceptions occurred.
当我调试时,问题是没有从 Calendar.Events?.get()
编辑 return。我对此有点困惑,因为如果我转到 https://developers.google.com/calendar/v3/reference/events/get 并使用 ID 为...的交互式 API 假设 2ilol72ocluq4i1mvlbqn7egel
(一个实际存在的事件 ID,并且是此应用程序使用),我得到以下响应:
{
"kind": "calendar#event",
"etag": "\"3168457487134000\"",
"id": "2ilol72ocluq4i1mvlbqn7egel",
"status": "confirmed",
"htmlLink": "https://www.google.com/calendar/event?eid=Mmlsb2w3Mm9jbHVxNGkxbXZsYnFuN2VnZWwgZnJlZW1hbi5tYXJjODgwQG0",
"created": "2020-03-14T23:32:23.000Z",
"updated": "2020-03-14T23:32:23.567Z",
"summary": "TEST123",
"description": "Test123",
"location": "IKEA Room",
"creator": {
"email": "example@email.com",
"self": true
},
"organizer": {
"email": "example@email.com",
"self": true
},
"start": {
"dateTime": "2020-03-14T23:32:00Z"
},
"end": {
"dateTime": "2020-03-15T00:32:00Z"
},
"iCalUID": "2ilol72ocluq4i1mvlbqn7egel@google.com",
"sequence": 0,
"reminders": {
"useDefault": true
}
}
对于可能导致此问题的原因,有人有任何建议吗?
我也试过只获取列表并根据 ID 过滤它:
override fun getCalendarEventsByRoomName(eventId: String): Observable<Event> {
return Observable.create { subscriber ->
val now = DateTime(System.currentTimeMillis())
val events: Calendar.Events? = googleCalendarService.events()
val event = events!!.list("primary")
.setQ(eventId) // <-- use the event ID as a query
.setMaxResults(1)
.setOrderBy("startTime")
.setSingleEvents(true)
.execute()
subscriber.onNext(event )
subscriber.onComplete()
}
}
但这return没什么,这与 googleCalendarService.events().list()
编辑:进一步调试显示以下错误:
android.os.NetworkOnMainThreadException
表示可疑代码行在调用 activity 内:
class ViewMeetingEventDataActivity: AppCompatActivity() {
@Inject lateinit var bundleUtilityModule: BundleUtilityModule
@Inject lateinit var fragmentUtilityModule: FragmentUtilityModule
@Inject lateinit var googleCalendarService: GoogleCalendarService
private val subscriptions: Disposable = Disposable.empty()
private lateinit var eventId: String
private lateinit var event: MeetingEvent;
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
AndroidContextObservable.setContext(this)
DaggerServiceModuleComponent.create().inject(this)
DaggerUtilityModuleComponent.create().inject(this)
this.eventId = intent.getStringExtra(BundleData.MEETING_EVENT_ID.name)!!
this.subscriptions.apply {
googleCalendarService.getCalendarEventById(eventId)
.subscribe(
{ meetingEvent: MeetingEvent -> event = meetingEvent; println(meetingEvent.description + "Hello") },
{}
)
}
}
override fun onDestroy() {
super.onDestroy()
this.subscriptions.dispose()
}
}
其中 this._subscriptions.apply {}
被调用。
设法使用以下代码解决了问题:
this.subscriptions.apply {
googleCalendarService.getCalendarEventById(eventId)
.subscribeOn(Schedulers.io())
.subscribe(
{ meetingEvent: MeetingEvent -> event = meetingEvent },
{}
)
}
问题是原来的区块:
this.subscriptions.apply {
googleCalendarService.getCalendarEventById(eventId)
.subscribe(
{ meetingEvent: MeetingEvent -> event = meetingEvent },
{}
)
}
在调用 activity 时阻塞了主 UI 线程。然而,错误被 GoogleCalendarService 吞没了。我们现在调用 subscribeOn()
来解决这个问题。