bholota

class SampleService : Service() {
  companion object {
    private val LAUNCHER = ForegroundServiceLauncher(SampleService::class.java)

    @JvmStatic
    fun start(context: Context) = LAUNCHER.startService(context)

    @JvmStatic
    fun stop(context: Context) = LAUNCHER.stopService(context)
  }

bholota

class ForegroundServiceLauncher(private val serviceClass: Class<out Service>) {

  private var isStarting = false
  private var shouldStop = false

  @Synchronized
  fun startService(context: Context, block: Intent.() -> Unit = {}) {
    isStarting = true
    shouldStop = false
    ContextCompat.startForegroundService(context, Intent(context, serviceClass).apply { block() })

bholota

import android.arch.lifecycle.GenericLifecycleObserver
import android.arch.lifecycle.Lifecycle
import android.arch.lifecycle.Lifecycle.Event.ON_DESTROY
import android.arch.lifecycle.LifecycleOwner
import kotlinx.coroutines.experimental.CoroutineScope
import kotlinx.coroutines.experimental.Dispatchers
import kotlinx.coroutines.experimental.Job
import kotlinx.coroutines.experimental.android.Main

fun Lifecycle.createJob(cancelEvent: Lifecycle.Event = ON_DESTROY): Job {

bholota

import android.app.Activity
import android.support.annotation.IdRes
import android.view.View

fun <T : View> Activity.bind(@IdRes idRes: Int): Lazy<T> {
    @Suppress("UNCHECKED_CAST")
    return unsafeLazy { findViewById(idRes) as T }
}

fun <T : View> View.bind(@IdRes idRes: Int): Lazy<T> {