Android 清除通知栏通知

class NotificationListener : NotificationListenerService() {

    companion object {
        val TAG = NotificationListener::class.java.simpleName
    }

    override fun onNotificationRemoved(sbn: StatusBarNotification?) {
        super.onNotificationRemoved(sbn)
        LogUtil.d("NotificationListener-onNotificationRemoved: " + sbn.toString());

    }

    override fun onNotificationPosted(sbn: StatusBarNotification?) {
        super.onNotificationPosted(sbn)
        LogUtil.d("NotificationListener-onNotificationPosted: " + sbn.toString())

    }
}

 override fun onResume() {
        super.onResume()
        if (startSettin) {
            checkNotificationPermission()
        }
    }

    private fun checkNotificationPermission() {
        startSettin = false
        if (notificationListenerEnable()) {
            //有通知使用权，跳出逻辑
            startMainActivity()
        } else {
            if (gotoNotificationAccessSetting()) {
                startSettin = true
            }
        }
    }

    private fun gotoNotificationAccessSetting(): Boolean {
        try {
            var intent = Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS");
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(intent)
            return true;
        } catch (e: Exception) {
            try {
                var intent = Intent()
                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                val cn = ComponentName(
                    "com.android.settings",
                    "com.android.settings.Settings\$NotificationAccessSettingsActivity"
                );
                intent.setComponent(cn)
                intent.putExtra(":settings:show_fragment", "NotificationAccessSettings");
                startActivity(intent)
                return true;
            } catch (ex: Exception) {
                ex.printStackTrace()
            }
            return false
        }
    }

    private fun notificationListenerEnable(): Boolean {
        var enable = false
        val packageName = AppContext.getPackageName()
        val flat = Settings.Secure.getString(
            AppContext.getContentResolver(),
            "enabled_notification_listeners"
        )
        if (flat != null) {
            enable = flat.contains(packageName)
        }
        return enable
    }

private fun sendNotification(){
        val pi = PendingIntent.getActivity(context, 0, Intent(), 0)
        val channel: String
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) channel = createChannel() else {
            channel = ""
        }
        val notification =
            context?.let {
                NotificationCompat.Builder(it, channel)
                    .setContentTitle(context!!.getString(R.string.app_name))
                    .setWhen(System.currentTimeMillis())
                    .setSmallIcon(R.mipmap.icon_logo)
                    .setContentIntent(pi)
                    .build()
            }
        val mNotificationManager =
            context?.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
        mNotificationManager.notify(TAG,ID,notification)
    }
    @TargetApi(26)
    @Synchronized
    private fun createChannel(): String {
        val mNotificationManager =
            context?.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
        val importance = NotificationManager.IMPORTANCE_LOW
        val mChannel =
            NotificationChannel(TAG, TAG, importance)
        mChannel.enableLights(false)
        mChannel.enableVibration(false)
        mChannel.setSound(null, null)
        if (mNotificationManager != null) {
            mNotificationManager.createNotificationChannel(mChannel)
        }
        return TAG
    }

    override fun onNotificationPosted(sbn: StatusBarNotification?) {
        super.onNotificationPosted(sbn)
        LogUtil.d("NotificationListener-onNotificationPosted: " + sbn.toString())
        if (sbn != null && sbn.tag == TAG) {
            cancelAllNotifications()
        }

    }

    override fun onNotificationRemoved(sbn: StatusBarNotification?) {
        super.onNotificationRemoved(sbn)
        LogUtil.d("NotificationListener-onNotificationRemoved: " + sbn.toString());
        if (sbn != null && sbn.tag == TAG) {
            val activeNotifications = activeNotifications
            if (activeNotifications.isNotEmpty()) {
                for (activeNotification in activeNotifications) {
                    if (activeNotification.packageName != "com.android.settings" &&
                        activeNotification.packageName != "android"
                    ) {
                        if (activeNotification.notification.contentView != null) {
                            LogUtil.d("NotificationListener-onNotificationPosted: activeNotification ${activeNotification.toString()}")
                            CtrlProxy.get().killApplicationProcess(activeNotification.packageName)
                        }
                    }
                }
            }
        }
    }