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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.cellbroadcastreceiver;
import android.content.Context;
import android.content.res.Resources;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceCategory;
import android.preference.PreferenceFragment;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.util.Log;
/**
* Settings activity for the cell broadcast receiver.
*/
public class CellBroadcastSettings extends PreferenceActivity {
// Preference key for whether to enable emergency notifications (default enabled).
public static final String KEY_ENABLE_EMERGENCY_ALERTS = "enable_emergency_alerts";
// Duration of alert sound (in seconds).
public static final String KEY_ALERT_SOUND_DURATION = "alert_sound_duration";
// Default alert duration (in seconds).
public static final String ALERT_SOUND_DEFAULT_DURATION = "4";
// Enable vibration on alert (unless master volume is silent).
public static final String KEY_ENABLE_ALERT_VIBRATE = "enable_alert_vibrate";
// Speak contents of alert after playing the alert sound.
public static final String KEY_ENABLE_ALERT_SPEECH = "enable_alert_speech";
// Preference category for emergency alert and CMAS settings.
public static final String KEY_CATEGORY_ALERT_SETTINGS = "category_alert_settings";
// Preference category for ETWS related settings.
public static final String KEY_CATEGORY_ETWS_SETTINGS = "category_etws_settings";
// Whether to display CMAS extreme threat notifications (default is enabled).
public static final String KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS =
"enable_cmas_extreme_threat_alerts";
// Whether to display CMAS severe threat notifications (default is enabled).
public static final String KEY_ENABLE_CMAS_SEVERE_THREAT_ALERTS =
"enable_cmas_severe_threat_alerts";
// Whether to display CMAS amber alert messages (default is enabled).
public static final String KEY_ENABLE_CMAS_AMBER_ALERTS = "enable_cmas_amber_alerts";
// Preference category for development settings (enabled by settings developer options toggle).
public static final String KEY_CATEGORY_DEV_SETTINGS = "category_dev_settings";
// Whether to display ETWS test messages (default is disabled).
public static final String KEY_ENABLE_ETWS_TEST_ALERTS = "enable_etws_test_alerts";
// Whether to display CMAS monthly test messages (default is disabled).
public static final String KEY_ENABLE_CMAS_TEST_ALERTS = "enable_cmas_test_alerts";
// Preference category for Brazil specific settings.
public static final String KEY_CATEGORY_BRAZIL_SETTINGS = "category_brazil_settings";
// Preference key for whether to enable channel 50 notifications
// Enabled by default for phones sold in Brazil, otherwise this setting may be hidden.
public static final String KEY_ENABLE_CHANNEL_50_ALERTS = "enable_channel_50_alerts";
// Preference key for initial opt-in/opt-out dialog.
public static final String KEY_SHOW_CMAS_OPT_OUT_DIALOG = "show_cmas_opt_out_dialog";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Display the fragment as the main content.
getFragmentManager().beginTransaction().replace(android.R.id.content,
new CellBroadcastSettingsFragment()).commit();
}
/**
* New fragment-style implementation of preferences.
*/
public static class CellBroadcastSettingsFragment extends PreferenceFragment {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Load the preferences from an XML resource
addPreferencesFromResource(R.xml.preferences);
PreferenceScreen preferenceScreen = getPreferenceScreen();
// Handler for settings that require us to reconfigure enabled channels in radio
Preference.OnPreferenceChangeListener startConfigServiceListener =
new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference pref, Object newValue) {
CellBroadcastReceiver.startConfigService(pref.getContext());
return true;
}
};
// Show extra settings when developer options is enabled in settings.
boolean enableDevSettings = Settings.Global.getInt(getActivity().getContentResolver(),
Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
Resources res = getResources();
boolean showEtwsSettings = res.getBoolean(R.bool.show_etws_settings);
// Emergency alert preference category (general and CMAS preferences).
PreferenceCategory alertCategory = (PreferenceCategory)
findPreference(KEY_CATEGORY_ALERT_SETTINGS);
// Show alert settings and ETWS categories for ETWS builds and developer mode.
if (enableDevSettings || showEtwsSettings) {
// enable/disable all alerts
Preference enablePwsAlerts = findPreference(KEY_ENABLE_EMERGENCY_ALERTS);
if (enablePwsAlerts != null) {
enablePwsAlerts.setOnPreferenceChangeListener(startConfigServiceListener);
}
// alert sound duration
ListPreference duration = (ListPreference) findPreference(KEY_ALERT_SOUND_DURATION);
duration.setSummary(duration.getEntry());
duration.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference pref, Object newValue) {
final ListPreference listPref = (ListPreference) pref;
final int idx = listPref.findIndexOfValue((String) newValue);
listPref.setSummary(listPref.getEntries()[idx]);
return true;
}
});
} else {
// Remove general emergency alert preference items (not shown for CMAS builds).
alertCategory.removePreference(findPreference(KEY_ENABLE_EMERGENCY_ALERTS));
alertCategory.removePreference(findPreference(KEY_ALERT_SOUND_DURATION));
alertCategory.removePreference(findPreference(KEY_ENABLE_ALERT_SPEECH));
// Remove ETWS preference category.
preferenceScreen.removePreference(findPreference(KEY_CATEGORY_ETWS_SETTINGS));
}
if (!res.getBoolean(R.bool.show_cmas_settings)) {
// Remove CMAS preference items in emergency alert category.
alertCategory.removePreference(
findPreference(KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS));
alertCategory.removePreference(
findPreference(KEY_ENABLE_CMAS_SEVERE_THREAT_ALERTS));
alertCategory.removePreference(findPreference(KEY_ENABLE_CMAS_AMBER_ALERTS));
}
TelephonyManager tm = (TelephonyManager) getActivity().getSystemService(
Context.TELEPHONY_SERVICE);
boolean enableChannel50Support = res.getBoolean(R.bool.show_brazil_settings) ||
"br".equals(tm.getSimCountryIso());
if (!enableChannel50Support) {
preferenceScreen.removePreference(findPreference(KEY_CATEGORY_BRAZIL_SETTINGS));
}
if (!enableDevSettings) {
preferenceScreen.removePreference(findPreference(KEY_CATEGORY_DEV_SETTINGS));
}
Preference enableChannel50Alerts = findPreference(KEY_ENABLE_CHANNEL_50_ALERTS);
if (enableChannel50Alerts != null) {
enableChannel50Alerts.setOnPreferenceChangeListener(startConfigServiceListener);
}
}
}
}