定义一个JobService,开启本地服务和远程服务

@SuppressWarnings(value = ["unchecked", "deprecation"])
@RequiresApi(Build.VERSION_CODES.LOLLIPOP)
class JobHandlerService : JobService() {

private var mJobScheduler: JobScheduler? = null

override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
var startId = startId
startService(this)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
mJobScheduler = getSystemService(Context.JOB_SCHEDULER_SERVICE) as JobScheduler
val builder = JobInfo.Builder(startId++,
ComponentName(packageName, JobHandlerService::class.java.name))
if (Build.VERSION.SDK_INT >= 24) {
builder.setMinimumLatency(JobInfo.DEFAULT_INITIAL_BACKOFF_MILLIS) //执行的最小延迟时间
builder.setOverrideDeadline(JobInfo.DEFAULT_INITIAL_BACKOFF_MILLIS) //执行的最长延时时间
builder.setMinimumLatency(JobInfo.DEFAULT_INITIAL_BACKOFF_MILLIS)
builder.setBackoffCriteria(JobInfo.DEFAULT_INITIAL_BACKOFF_MILLIS, JobInfo.BACKOFF_POLICY_LINEAR)//线性重试方案
} else {
builder.setPeriodic(JobInfo.DEFAULT_INITIAL_BACKOFF_MILLIS)
}
builder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
builder.setRequiresCharging(true) // 当插入充电器,执行该任务
mJobScheduler?.schedule(builder.build(http://www.amjmh.com/v/))
}
return Service.START_STICKY
}

private fun startService(context: Context) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
if (KeepLive.foregroundNotification != null) {
val intent = Intent(applicationContext, NotificationClickReceiver::class.java)
intent.action = NotificationClickReceiver.CLICK_NOTIFICATION
val notification = NotificationUtils.createNotification(this, KeepLive.foregroundNotification!!.getTitle(), KeepLive.foregroundNotification!!.getDescription(), KeepLive.foregroundNotification!!.getIconRes(), intent)
startForeground(13691, notification)
}
}
//启动本地服务
val localIntent = Intent(context, LocalService::class.java)
//启动守护进程
val guardIntent = Intent(context, RemoteService::class.java)
startService(localIntent)
startService(guardIntent)
}

override fun onStartJob(jobParameters: JobParameters): Boolean {
if (!isServiceRunning(applicationContext, "com.xiyang51.keeplive.service.LocalService") || !isServiceRunning(applicationContext, "$packageName:remote")) {
startService(this)
}
return false
}

override fun onStopJob(jobParameters: JobParameters): Boolean {
if (!isServiceRunning(applicationContext, "com.xiyang51.keeplive.service.LocalService") || !isServiceRunning(applicationContext, "$packageName:remote")) {
startService(this)
}
return false
}

private fun isServiceRunning(ctx: Context, className: String): Boolean {
var isRunning = false
val activityManager = ctx
.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
val servicesList = activityManager
.getRunningServices(Integer.MAX_VALUE)
val l = servicesList.iterator()
while (l.hasNext()) {
val si = l.next()
if (className == si.service.className) {
isRunning = true
}
}
return isRunning
}
}

原文地址:https://www.cnblogs.com/ly570/p/11291188.html