java - Refactoring Settings Activity -


i´m having problems refactoring settingsactivity.java.

first, extended preferenceactivity didn't take addpreferencesfromresource(r.xml.pref_general) because marks decaprecated findpreference(getstring(r.string.pref_location_key). i've changed preferencefragment , took both methods above cannot resolve getmenuinflater().inflate(r.menu.menu_settings, menu);

furthermore it's showing: "cannot resolve symbol pref_units_keys" in bindpreferencesummarytovalue(findpreference(getstring(r.string.pref_units_key)));

finally in forecastfragment.java cannot method right:

private string formathighlows(double high, double low){          // data fetched in celsius default.          // if user prefers see in fahrenheit, convert values here.          // rather fetching in fahrenheit user can          // change option without having re-fetch data once          // start storing values in database          sharedpreferences sharedprefs =                  preferencemanager.getdefaultsharedpreferences(getactivity());          string unittype = sharedprefs.getstring(                  getstring(r.string.pref_units_key),                  getstring(r.string.pref_units_metric));           if(unittype.equals(getstring(r.string.pref_units_imperial))){              high = (high * 1.8) + 32;              low = (low * 1.8) + 32;          }else if(!unittype.equals(r.string.pref_units_metric)){              log.d(log_tag, "unit type not found: " + unittype);          }

probably need declare de units , metric in string.xml file...

what can do??

here link entire code: http://pastebin.com/kjrbj6sd#

you need activity reference.

try adding getactivity() before getmenuinflater(), , getresources() before each 1 of getstring()s.

private string formathighlows(double high, double low){       sharedpreferences sharedprefs =              preferencemanager.getdefaultsharedpreferences(getactivity());      string unittype = sharedprefs.getstring(              getresources().getstring(r.string.pref_units_key),              getresources().getstring(r.string.pref_units_metric));       if(unittype.equals(getresources().getstring(r.string.pref_units_imperial))){          high = (high * 1.8) + 32;          low = (low * 1.8) + 32;      }else if(!unittype.equals(getresources().getstring(r.string.pref_units_metric))){          log.d(log_tag, "unit type not found: " + unittype); }  }

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