thanks ip332 and Dan:
i have found answer.
Listener must be created,beacuse getBestKnownLocation() is just for
getting gps immediately,so it is agps,not real gps.
On Wed, Nov 24, 2010 at 4:45 AM, Dan <dan.schm...@gmail.com> wrote:
> On Nov 23, 2:28 am, Leon Li <l...@leonstrip.com> wrote:
>> hi all:
>> i use Location location=manager.getLastKnownLocation("gps") to get
>> real gps,but it allways return null,and i walk around outside office
>> long time.
>> but if i use "network",it work.
>>
>> dose anyone else know what is wrong?
>
> Do you have both
>
> <uses-permission
> android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-
> permission>
> <uses-permission
> android:name="android.permission.ACCESS_FINE_LOCATION"></uses-
> permission>
>
> in your manifest? When you started your app did you answer the
> dialog saying it's ok to use gps? Is the
>
> settings->location&security->Use GPS satellites
>
> checkbox checked on the phone? If all those are true/positive, we
> might
> need to see more code.
>
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