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/*
* Copyright (C) 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.barcodes;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.PreferenceScreen;
import android.preference.CheckBoxPreference;
public class BarcodesPreferenceActivity extends android.preference.PreferenceActivity
implements OnSharedPreferenceChangeListener {
static final String KEY_DECODE_1D = "preferences_decode_1D";
static final String KEY_DECODE_QR = "preferences_decode_QR";
static final String KEY_PLAY_BEEP = "preferences_play_beep";
CheckBoxPreference mDecode1D;
CheckBoxPreference mDecodeQR;
CheckBoxPreference mPlayBeep;
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.preferences);
PreferenceScreen preferences = getPreferenceScreen();
preferences.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
mDecode1D = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_1D);
mDecodeQR = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_QR);
mPlayBeep = (CheckBoxPreference) preferences.findPreference(KEY_PLAY_BEEP);
}
// Prevent the user from turning off both decode options
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if (key.equals(KEY_DECODE_1D)) {
mDecodeQR.setEnabled(mDecode1D.isChecked());
mDecodeQR.setChecked(true);
} else if (key.equals(KEY_DECODE_QR)) {
mDecode1D.setEnabled(mDecodeQR.isChecked());
mDecode1D.setChecked(true);
}
}
}
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