服务的存活

Notification.Builder builder = new Notification.Builder(this);
Intent notificationIntent = new Intent(this, TracingActivity.class);
Bitmap icon = BitmapFactory.decodeResource(this.getResources(),
        R.mipmap.icon_tracing);
NotificationManager notificationManager = (NotificationManager)
getSystemService(Context.NOTIFICATION_SERVICE);
// PendingIntent
builder.setContentIntent(PendingIntent.getActivity(this, 0,
notificationIntent, 0))
        .setLargeIcon(icon)  // ()
        .setContentTitle("") //
        .setSmallIcon(R.mipmap.icon_tracing) //
        .setContentText("...") //
        .setWhen(System.currentTimeMillis());
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && null !=
notificationManager) {
    NotificationChannel notificationChannel =
            new NotificationChannel("trace", "trace_channel",
                    NotificationManager.IMPORTANCE_HIGH);
    notificationManager.createNotificationChannel(notificationChannel);
    builder.setChannelId("trace"); // Android OchannelId
}
notification = builder.build(); // Notification
notification.defaults = Notification.DEFAULT_SOUND; //
LBSTraceClient mClient = new LBSTraceClient(mContext);
Trace mTrace = new Trace(serviceId, entityName);
mTrace.setNotification(notification);

<span style="color: #FF0000;">
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
</span>

<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />

//位置采集周期
// 在Android 6.0及以上系统，若定制手机使用到doze模式，请求将应用添加到白名单。
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
    String packageName = trackApp.getPackageName();
    boolean isIgnoring = powerManager.isIgnoringBatteryOptimizations(packageName);
    if (!isIgnoring) {
        Intent intent = new Intent(
Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
        intent.setData(Uri.parse("package:" + packageName));
        try {
            startActivity(intent);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

//位置采集周期
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>