radimkliment/Service

AndroidManifest.xml · 40 B · XML Raw

1	<service android:name=".HelloService" />

BoundedHelloService.kt · 602 B · Kotlin Raw

1	class BoundedHelloService : Service() {
2	private val binder = LocalBinder()
3
4	inner class LocalBinder : Binder() {
5	fun getService(): HelloService = this@HelloService
6	}
7
8	private val mGenerator = Random()
9
10	val randomNumber: Int get() = mGenerator.nextInt(100)
11
12	/** Method for clients. */
13	val randomNumber: Int
14	get() = mGenerator.nextInt(100)
15
16	override fun onBind(intent: Intent): IBinder {
17	return binder
18	}
19
20	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
21	return START_STICKY
22	}
23
24	}

HelloService.kt · 312 B · Kotlin Raw

1	class HelloService : Service() {
2	override fun onBind(p0: Intent?): IBinder? {
3	return null
4	}
5
6	/*
7	START_NOT_STICKY
8	START_STICKY
9	START_REDELIVER_INTENT
10	*/
11	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
12	return START_STICKY
13	}
14
15	}

MyActivity.kt · 1.0 KiB · Kotlin Raw

// without bound
override fun onStart() {
    super.onStart()
    val intent = Intent(this, HelloService::class.java)
    startService(intent)
}

// with bound
private lateinit var mService: LocalService
private var mBound: Boolean = false

/** Defines callbacks for service binding, passed to bindService().  */
private val connection = object : ServiceConnection {

override fun onServiceConnected(className: ComponentName, service: IBinder) {
        // We've bound to LocalService, cast the IBinder and get LocalService instance.
        val binder = service as LocalService.LocalBinder
        mService = binder.getService()
        mBound = true
    }

override fun onServiceDisconnected(arg0: ComponentName) {
        mBound = false
    }
}

override fun onStart() {
    super.onStart()
    // Bind to LocalService.
    Intent(this, LocalService::class.java).also { intent ->
        bindService(intent, connection, Context.BIND_AUTO_CREATE)
    }
}

override fun onStop() {
    super.onStop()
    unbindService(connection)
    mBound = false
}

1	// without bound
2	override fun onStart() {
3	super.onStart()
4	val intent = Intent(this, HelloService::class.java)
5	startService(intent)
6	}
7
8	// with bound
9	private lateinit var mService: LocalService
10	private var mBound: Boolean = false
11
12	/** Defines callbacks for service binding, passed to bindService(). */
13	private val connection = object : ServiceConnection {
14
15	override fun onServiceConnected(className: ComponentName, service: IBinder) {
16	// We've bound to LocalService, cast the IBinder and get LocalService instance.
17	val binder = service as LocalService.LocalBinder
18	mService = binder.getService()
19	mBound = true
20	}
21
22	override fun onServiceDisconnected(arg0: ComponentName) {
23	mBound = false
24	}
25	}
26
27	override fun onStart() {
28	super.onStart()
29	// Bind to LocalService.
30	Intent(this, LocalService::class.java).also { intent ->
31	bindService(intent, connection, Context.BIND_AUTO_CREATE)
32	}
33	}
34
35	override fun onStop() {
36	super.onStop()
37	unbindService(connection)
38	mBound = false
39	}