Abit/app/src/main/java/ch/dissem/apps/abit/synchronization/SyncService.kt

52 lines
1.5 KiB
Kotlin

/*
* Copyright 2016 Christian Basler
*
* 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 ch.dissem.apps.abit.synchronization
import android.app.Service
import android.content.Intent
import android.os.IBinder
/**
* Define a Service that returns an IBinder for the
* sync adapter class, allowing the sync adapter framework to call
* onPerformSync().
*/
class SyncService : Service() {
/**
* Instantiate the sync adapter object.
*/
override fun onCreate() = synchronized(syncAdapterLock) {
if (syncAdapter == null) {
syncAdapter = SyncAdapter(this, true)
}
}
/**
* Return an object that allows the system to invoke
* the sync adapter.
*/
override fun onBind(intent: Intent) = syncAdapter?.syncAdapterBinder
companion object {
// Storage for an instance of the sync adapter
private var syncAdapter: SyncAdapter? = null
// Object to use as a thread-safe lock
private val syncAdapterLock = Any()
}
}