相关疑难解决方法(0)

我对地理编码器有一点问题是从地址获取纬度和纬度:

这是我的代码:

for (Garage g : XMLGarage) {
List<Address> address;
address = coder.getFromLocationName(
g.getAddress(), 5);
if (address != null) {
Address location = address.get(0);  
g.setLatitude(location.getLatitude());
g.setLongitude(location.getLongitude());
...

错误是:

08-18 14:28:56.026: WARN/System.err(359): java.io.IOException: Service not Available
08-18 14:28:56.026: WARN/System.err(359):     at 
android.location.Geocoder.getFromLocationName(Geocoder.java:178)
08-18 14:28:56.026: WARN/System.err(359):     at 
com.amt.android.garage.Garage.postData(Garage.java:269)
08-18 14:28:56.026: WARN/System.err(359):     at
com.amt.android.garage.GarageForm$2.onClick(GarageForm.java:86)
08-18 14:28:56.026: WARN/System.err(359):     at  
android.view.View.performClick(View.java:2485)
08-18 14:28:56.026: WARN/System.err(359):     at
android.view.View$PerformClick.run(View.java:9080)
08-18 14:28:56.036: WARN/System.err(359):     at  
android.os.Handler.handleCallback(Handler.java:587)
08-18 14:28:56.036: WARN/System.err(359):     at
android.os.Handler.dispatchMessage(Handler.java:92)
08-18 14:28:56.036: WARN/System.err(359):     at
android.os.Looper.loop(Looper.java:130)
08-18 14:28:56.036: WARN/System.err(359):     at 
android.app.ActivityThread.main(ActivityThread.java:3683) …