ForegroundService

import android.app.Notification
import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.Service
import android.content.Intent
import android.graphics.Color
import android.os.Build
import android.os.IBinder
import androidx.annotation.RequiresApi
import androidx.core.app.NotificationCompat


open class ForegroundService:Service(){

    override fun onBind(p0: Intent?): IBinder? {
        return null
    }

    override fun onCreate() {
        super.onCreate()
        startForeground()
    }

    open fun configNotification(builder:NotificationCompat.Builder):NotificationCompat.Builder{
        return  builder.setOngoing(true)
            .setSmallIcon(0)
            .setPriority(NotificationCompat.PRIORITY_MIN)
            .setCategory(Notification.CATEGORY_SERVICE)
    }


    @RequiresApi(Build.VERSION_CODES.O)
    open fun configNotificationChannel(chan:NotificationChannel):NotificationChannel{
        chan.description = "Channel description"
        chan.enableLights(true)
        chan.lightColor = Color.BLUE
        chan.lockscreenVisibility = Notification.VISIBILITY_PRIVATE
        chan.vibrationPattern = longArrayOf(0L, 1000L, 500L, 1000L)
        chan.enableVibration(true)
        return chan
    }



    private fun startForeground() {
        var channelId: String? = null
        // 8.0 以上需要特殊处理
        channelId = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            createNotificationChannel("zlgspace_channel_id", "ZLGForegroundService")
        } else {
            ""
        }
        var builder = NotificationCompat.Builder(this, channelId)
        builder = configNotification(builder)
        var notification = builder.build()
        startForeground(1, notification)
    }


    //创建通知通道
    @RequiresApi(Build.VERSION_CODES.O)
    private fun createNotificationChannel(channelId: String, channelName: String): String {
        var chan = NotificationChannel(
            channelId,
            channelName, NotificationManager.IMPORTANCE_NONE
        )
        chan = configNotificationChannel(chan)
        val service = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
        service.createNotificationChannel(chan)
        return channelId
    }

}