| /* |
| * 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.os.PersistableBundle; |
| import android.os.UserManager; |
| import android.preference.CheckBoxPreference; |
| 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.CarrierConfigManager; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| |
| /** |
| * Settings activity for the cell broadcast receiver. |
| */ |
| public class CellBroadcastSettings extends PreferenceActivity { |
| |
| private static final String TAG = "CellBroadcastSettings"; |
| |
| // 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"; |
| |
| // Alert reminder interval ("once" = single 2 minute reminder). |
| public static final String KEY_ALERT_REMINDER_INTERVAL = "alert_reminder_interval"; |
| |
| // Default reminder interval. |
| public static final String ALERT_REMINDER_INTERVAL = "0"; |
| |
| // First time use |
| public static final String KEY_FIRST_TIME = "first_time"; |
| |
| // Brazil country code |
| private static final String COUNTRY_BRAZIL = "br"; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE); |
| if (userManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS)) { |
| setContentView(R.layout.cell_broadcast_disallowed_preference_screen); |
| return; |
| } |
| |
| // 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 { |
| |
| private CheckBoxPreference mExtremeCheckBox; |
| private CheckBoxPreference mSevereCheckBox; |
| private CheckBoxPreference mAmberCheckBox; |
| private CheckBoxPreference mEmergencyCheckBox; |
| private ListPreference mAlertDuration; |
| private ListPreference mReminderInterval; |
| private CheckBoxPreference mSpeechCheckBox; |
| private CheckBoxPreference mEtwsTestCheckBox; |
| private CheckBoxPreference mChannel50CheckBox; |
| private CheckBoxPreference mCmasTestCheckBox; |
| private PreferenceCategory mAlertCategory; |
| private PreferenceCategory mETWSSettingCategory; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| // Load the preferences from an XML resource |
| addPreferencesFromResource(R.xml.preferences); |
| |
| PreferenceScreen preferenceScreen = getPreferenceScreen(); |
| |
| mExtremeCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS); |
| mSevereCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_CMAS_SEVERE_THREAT_ALERTS); |
| mAmberCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_CMAS_AMBER_ALERTS); |
| mEmergencyCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_EMERGENCY_ALERTS); |
| mAlertDuration = (ListPreference) |
| findPreference(KEY_ALERT_SOUND_DURATION); |
| mReminderInterval = (ListPreference) |
| findPreference(KEY_ALERT_REMINDER_INTERVAL); |
| mSpeechCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_ALERT_SPEECH); |
| mEtwsTestCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_ETWS_TEST_ALERTS); |
| mChannel50CheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_CHANNEL_50_ALERTS); |
| mCmasTestCheckBox = (CheckBoxPreference) |
| findPreference(KEY_ENABLE_CMAS_TEST_ALERTS); |
| mAlertCategory = (PreferenceCategory) |
| findPreference(KEY_CATEGORY_ALERT_SETTINGS); |
| mETWSSettingCategory = (PreferenceCategory) |
| findPreference(KEY_CATEGORY_ETWS_SETTINGS); |
| |
| // 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()); |
| |
| if (pref.getKey().equals(KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS)) { |
| boolean isExtremeAlertChecked = (Boolean)newValue; |
| if (mSevereCheckBox != null) { |
| mSevereCheckBox.setEnabled(isExtremeAlertChecked); |
| mSevereCheckBox.setChecked(false); |
| } |
| } |
| |
| 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); |
| |
| // alert reminder interval |
| mReminderInterval.setSummary(mReminderInterval.getEntry()); |
| mReminderInterval.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; |
| } |
| }); |
| |
| boolean forceDisableEtwsCmasTest = |
| isEtwsCmasTestMessageForcedDisabled(getActivity()); |
| |
| boolean emergencyAlertOnOffOptionEnabled = |
| isEmergencyAlertOnOffOptionEnabled(getActivity()); |
| |
| if (enableDevSettings || showEtwsSettings || emergencyAlertOnOffOptionEnabled) { |
| // enable/disable all alerts except CMAS presidential alerts. |
| if (mEmergencyCheckBox != null) { |
| mEmergencyCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| } else { |
| mAlertCategory.removePreference(mEmergencyCheckBox); |
| } |
| |
| // Show alert settings and ETWS categories for ETWS builds and developer mode. |
| if (enableDevSettings || showEtwsSettings) { |
| // alert sound duration |
| ListPreference duration = mAlertDuration; |
| 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; |
| } |
| }); |
| |
| if (forceDisableEtwsCmasTest) { |
| // Remove ETWS test preference. |
| preferenceScreen.removePreference(mETWSSettingCategory); |
| |
| PreferenceCategory devSettingCategory = |
| (PreferenceCategory) findPreference(KEY_CATEGORY_DEV_SETTINGS); |
| |
| // Remove CMAS test preference. |
| if (devSettingCategory != null) { |
| devSettingCategory.removePreference(mCmasTestCheckBox); |
| } |
| } |
| } else { |
| mAlertCategory.removePreference(mAlertDuration); |
| mAlertCategory.removePreference(mSpeechCheckBox); |
| // Remove ETWS test preference category. |
| preferenceScreen.removePreference(mETWSSettingCategory); |
| } |
| |
| if (!res.getBoolean(R.bool.show_cmas_settings)) { |
| // Remove CMAS preference items in emergency alert category. |
| mAlertCategory.removePreference(mExtremeCheckBox); |
| mAlertCategory.removePreference(mSevereCheckBox); |
| mAlertCategory.removePreference(mAmberCheckBox); |
| } |
| |
| TelephonyManager tm = (TelephonyManager) getActivity().getSystemService( |
| Context.TELEPHONY_SERVICE); |
| |
| int subId = SubscriptionManager.getDefaultSmsSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| subId = SubscriptionManager.getDefaultSubscriptionId(); |
| } |
| |
| boolean enableChannel50Support = res.getBoolean(R.bool.show_brazil_settings) || |
| COUNTRY_BRAZIL.equals(tm.getSimCountryIso(subId)); |
| |
| if (!enableChannel50Support) { |
| preferenceScreen.removePreference(findPreference(KEY_CATEGORY_BRAZIL_SETTINGS)); |
| } |
| if (!enableDevSettings) { |
| preferenceScreen.removePreference(findPreference(KEY_CATEGORY_DEV_SETTINGS)); |
| } |
| |
| if (mChannel50CheckBox != null) { |
| mChannel50CheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mEtwsTestCheckBox != null) { |
| mEtwsTestCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mExtremeCheckBox != null) { |
| mExtremeCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mSevereCheckBox != null) { |
| mSevereCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| if (mExtremeCheckBox != null) { |
| mSevereCheckBox.setEnabled(mExtremeCheckBox.isChecked()); |
| } |
| } |
| if (mAmberCheckBox != null) { |
| mAmberCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mCmasTestCheckBox != null) { |
| mCmasTestCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| } |
| } |
| |
| // Check if ETWS/CMAS test message is forced disabled on the device. |
| public static boolean isEtwsCmasTestMessageForcedDisabled(Context context) { |
| |
| if (context == null) { |
| return false; |
| } |
| |
| int subId = SubscriptionManager.getDefaultSmsSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| subId = SubscriptionManager.getDefaultSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) |
| return false; |
| } |
| |
| CarrierConfigManager configManager = |
| (CarrierConfigManager) context.getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| |
| if (configManager != null) { |
| PersistableBundle carrierConfig = |
| configManager.getConfigForSubId(subId); |
| |
| if (carrierConfig != null) { |
| return carrierConfig.getBoolean( |
| CarrierConfigManager.KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL); |
| } |
| } |
| |
| return false; |
| } |
| |
| // Check if "Turn on Notifications" option should be always displayed regardless of developer |
| // options turned on or not. |
| public static boolean isEmergencyAlertOnOffOptionEnabled(Context context) { |
| |
| if (context == null) { |
| return false; |
| } |
| |
| int subId = SubscriptionManager.getDefaultSmsSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| subId = SubscriptionManager.getDefaultSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) |
| return false; |
| } |
| |
| CarrierConfigManager configManager = |
| (CarrierConfigManager) context.getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| |
| if (configManager != null) { |
| PersistableBundle carrierConfig = |
| configManager.getConfigForSubId(subId); |
| |
| if (carrierConfig != null) { |
| return carrierConfig.getBoolean( |
| CarrierConfigManager.KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL); |
| } |
| } |
| |
| return false; |
| } |
| } |
