You can achieve that this way. You need to register your listener in onResume
and unregister in onPause
. This way it won't get called when your activity is created as the initial changes to the preferences values have already taken place.
public class SettingsActivity extends PreferenceActivity
implements OnSharedPreferenceChangeListener {
@Override
protected void onResume() {
super.onResume();
// Set up a listener whenever a key changes
getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
}
@Override
protected void onPause() {
super.onPause();
// Unregister the listener whenever a key changes
getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
}
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
// Let's do something a preference value changes
}
}