306         private TwoStatePreference mExtremeCheckBox;  field in CellBroadcastSettings.CellBroadcastSettingsFragment
349             mExtremeCheckBox = (TwoStatePreference)  in initPreferences()
508             if (mExtremeCheckBox != null) {  in onCreatePreferences()
509                 mExtremeCheckBox.setOnPreferenceChangeListener(startConfigServiceListener);  in onCreatePreferences()
525                     if (mExtremeCheckBox != null) {  in onCreatePreferences()
526                         mSevereCheckBox.setEnabled(mExtremeCheckBox.isChecked());  in onCreatePreferences()
623             if (mExtremeCheckBox != null) {  in updatePreferenceVisibility()
624                 mExtremeCheckBox.setVisible(res.getBoolean(R.bool.show_extreme_alert_settings)  in updatePreferenceVisibility()
627                 if (isWatch && !mExtremeCheckBox.isVisible()) {  in updatePreferenceVisibility()
628                     preferenceScreen.removePreference(mExtremeCheckBox);  in updatePreferenceVisibility()
820                 mExtremeCheckBox.setEnabled(false);  in initAlertsToggleDisabledAsNeeded()
821                 mExtremeCheckBox.setChecked(  in initAlertsToggleDisabledAsNeeded()
834                     && mExtremeCheckBox != null) {  in setAlertsEnabled()
835                 mExtremeCheckBox.setEnabled(alertsEnabled);  in setAlertsEnabled()
836                 mExtremeCheckBox.setChecked(alertsEnabled);  in setAlertsEnabled()