Get location information with network_provider

 locman1 = (LocationManager) getSystemService (Context.LOCATION_SERVICE); 

if (locman1.isProviderEnabled (LocationManager.NETWORK_PROVIDER)) {
TextView textview; 
textview = (TextView) findViewById (R.id.lng); 
textview.setText ("network: enable"); 
} 


locman1.requestLocationUpdates (LocationManager.NETWORK_PROVIDER, 0, 0, loclistener); 
Location location = new Location ("a"); 
location = locman1.getLastKnownLocation (LocationManager.NETWORK_PROVIDER); 
if (location! = null) {
TextView textview; 
textview = (TextView) findViewById (R.id.lat); 
textview.setText ("lat:" + location.getLatitude ()); 
} 

The permissions added are also added, ye will not get ah<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
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Try on a real machine
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Is the true test machine
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Some encountered yet
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Log information posted .....
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references, 4th Floor wujiangming reply:

log information posted .....

This. . . Weak weak to ask, what is the log information ah?
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log information to the log information

LocationManager.GPS should
possibleI did not get to LocationManager.NETWORK_PROVIDER
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I tested it on a virtual machine too, network did not get, but the GPS can
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Will the landlord did not solve the
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I sometimes take the same point gps
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I also have to get any network. gps is possible. ZTE n880 on the real machine testing.

Searched the reason can not find ah.
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Encounter the same problem. Attention.
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That seems to (have a triangular positioning) to get it through the base station location, Google's New_Work Chinese support is not good at, is not very clear or loud noise drops
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Android should set "position" option in the [Wi-Fi] tick