android 检查GPS是否开启，GPS设置界面
GPS是否开启LocationManager locationManager = (LocationManager)getContext().getSystemService(Context.LOCATION_SERVICE);return locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);进入GPS设置页面 Intent intent = new Intent(); intent.setAction(Settings.ACTION_LOCATION_SOURCE_SETTINGS); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); try { getContext().startActivity(intent); } catch(ActivityNotFoundException ex) { // The Android SDK doc says that the location settings activity // may not be found. In that case show the general settings. // General settings activity intent.setAction(Settings.ACTION_SETTINGS); try { getContext().startActivity(intent); } catch (Exception e) { } }