Android GPS 应用程序无法正确捕获位置
我是 Android 新手，刚刚开发了一个基于 GPS 的应用程序。它执行以下操作 -
- 在用户移动时使用叠加显示用户的路径
- 计算行进的总距离并计算总距离平均速度
为了获取用户的位置，如果已使用 -
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10000, 0, this); 注册了位置更新；
基本上，我尝试每 10 秒获取一次位置，然后相应地构建路径。
但是，在我的 HTC Legend 上进行测试时，我遇到了一些问题 -
- 当我开始记录轨迹时，GPS 接收器图标开始在顶部出现动画。有时，我没有收到任何通知的时间长达 在我开始接收更新后4-5 分钟
- ，有时 GPS 接收器图标保持静止，此时位置正常。但有时， 它再次开始闪烁，之后我没有得到任何位置，它仍然闪烁，我必须重新启动应用程序才能使其再次工作
我做错了什么？ 10秒的频率是否太早了？我无法使用网络提供，因为我必须构建准确的路径，网络 提供商不提供准确的路径。 GPS接收器如何工作？什么时候会闪烁？什么时候停止？
请帮忙
谢谢!!
I am new to android and have just developed a GPS based application. It does the following -
- Displays the path of the user using Overlays while the user is moving
- Calcuates the total distance travelled & average speed
For obtaining the location of the user, if have registered the location updates using -
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10000, 0, this);
Basically, I have tried getting the location every 10 seconds and then build the path accordingly
However, while testing this on my HTC Legend, I am facing few problems -
- When I start recording the track, the GPS receiver icon starts animating on the top. At times, I don't receive any lcoation for as long as
4-5 minutes - After I start receiving the updates, at times, the GPS receiver icon remains static, at that time location comes fine. But at times,
it again starts blinking and I don't get any location after that, it remains blinking and I have to restart the app to make it working again
What am I doing wrong? Is the 10 seconds frequency too early? I can't use a Network provide since I have to build a accurate path, Network
providers don't give accurate path. How does the GPS receiver work? When does it blink? When does it stops?
Please help
Thanks !!
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您是否在 locationListener 类中编写了“public void onLocationChanged(Location loc)”方法。它会在移动时为您提供更新的位置。
Have you written "public void onLocationChanged(Location loc)" method in your locationListener class. It will give you updated location while moving.
当 GPS 无法与足够的 GPS 卫星建立通信来找到您的位置时，GPS 图标会闪烁。
The gps icon blinks when it can't establish communication with enough gsp satellites to find your location.