preferences.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
decode1D = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_1D);
decodeQR = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_QR);
+ disableLastCheckedPref();
}
- // Prevent the user from turning off both decode options
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
- if (key.equals(KEY_DECODE_1D)) {
- decodeQR.setEnabled(decode1D.isChecked());
+ disableLastCheckedPref();
+ }
+
+ private void disableLastCheckedPref() {
+ if (decode1D.isChecked()) {
+ decodeQR.setEnabled(true);
+ } else {
+ decodeQR.setEnabled(false);
decodeQR.setChecked(true);
- } else if (key.equals(KEY_DECODE_QR)) {
- decode1D.setEnabled(decodeQR.isChecked());
+ }
+ if (decodeQR.isChecked()) {
+ decode1D.setEnabled(true);
+ } else {
+ decode1D.setEnabled(false);
decode1D.setChecked(true);
}
}
+
}