Example usage for android.support.v4.app DialogFragment setRetainInstance

Introduction

In this page you can find the example usage for android.support.v4.app DialogFragment setRetainInstance.

Prototype

public void setRetainInstance(boolean retain) 

Source Link

Document

Control whether a fragment instance is retained across Activity re-creation (such as from a configuration change).

Usage

From source file:name.gumartinm.weather.information.activity.MainTabsActivity.java

@Override
public void onResume() {
    super.onResume();

    final SharedPreferences sharedPreferences = PreferenceManager
            .getDefaultSharedPreferences(this.getApplicationContext());

    final String APPID = sharedPreferences.getString(this.getString(R.string.weather_preferences_app_id_key),
            "");/*from  ww w.j a  v  a  2s  . co  m*/

    final String noticeKeyPreference = this.getString(R.string.api_id_key_notice_preference_key);
    final boolean notice = sharedPreferences.getBoolean(noticeKeyPreference, true);

    if (notice && APPID.isEmpty()) {
        final FragmentManager fm = this.getSupportFragmentManager();
        final Fragment buttonsFragment = fm.findFragmentByTag("noticeDialog");
        if (buttonsFragment == null) {
            final DialogFragment newFragment = APIKeyNoticeDialogFragment
                    .newInstance(R.string.api_id_key_notice_title);
            newFragment.setRetainInstance(true);
            newFragment.setCancelable(false);
            newFragment.show(fm, "noticeDialog");
        }
    }

    final ActionBar actionBar = this.getActionBar();

    // 1. Update title.
    final DatabaseQueries query = new DatabaseQueries(this.getApplicationContext());
    final WeatherLocation weatherLocation = query.queryDataBase();
    if (weatherLocation != null) {
        final String[] array = new String[2];
        array[0] = weatherLocation.getCity();
        array[1] = weatherLocation.getCountry();
        final MessageFormat message = new MessageFormat("{0},{1}", Locale.US);
        final String cityCountry = message.format(array);
        actionBar.setTitle(cityCountry);
    } else {
        actionBar.setTitle(this.getString(R.string.text_field_no_chosen_location));
    }

    // 2. Update forecast tab text.
    final String keyPreference = this.getString(R.string.weather_preferences_day_forecast_key);
    final String value = sharedPreferences.getString(keyPreference, "");
    String humanValue = "";
    if (value.equals(this.getString(R.string.weather_preferences_day_forecast_five_day))) {
        humanValue = this.getString(R.string.text_tab_five_days_forecast);
    } else if (value.equals(this.getString(R.string.weather_preferences_day_forecast_ten_day))) {
        humanValue = this.getString(R.string.text_tab_ten_days_forecast);
    } else if (value.equals(this.getString(R.string.weather_preferences_day_forecast_fourteen_day))) {
        humanValue = this.getString(R.string.text_tab_fourteen_days_forecast);
    }
    actionBar.getTabAt(1).setText(humanValue);
}

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