| /* |
| * 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.app.Activity; |
| import android.app.backup.BackupManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.os.Bundle; |
| import android.os.PersistableBundle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.support.v14.preference.PreferenceFragment; |
| import android.support.v7.preference.ListPreference; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceCategory; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.support.v7.preference.TwoStatePreference; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.SubscriptionManager; |
| import android.util.Log; |
| |
| /** |
| * Settings activity for the cell broadcast receiver. |
| */ |
| public class CellBroadcastSettings extends Activity { |
| |
| private static final String TAG = "CellBroadcastSettings"; |
| |
| private static final boolean DBG = false; |
| |
| // Preference key for whether to enable emergency notifications (default enabled). |
| public static final String KEY_ENABLE_EMERGENCY_ALERTS = "enable_emergency_alerts"; |
| |
| // 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"; |
| |
| // Always play at full volume when playing the alert sound. |
| public static final String KEY_USE_FULL_VOLUME = "use_full_volume"; |
| |
| // Preference category for emergency alert and CMAS settings. |
| public static final String KEY_CATEGORY_EMERGENCY_ALERTS = "category_emergency_alerts"; |
| |
| // Preference category for alert preferences. |
| public static final String KEY_CATEGORY_ALERT_PREFERENCES = "category_alert_preferences"; |
| |
| // 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 key for whether to enable area update information notifications |
| // Enabled by default for phones sold in Brazil and India, otherwise this setting may be hidden. |
| public static final String KEY_ENABLE_AREA_UPDATE_INFO_ALERTS = |
| "enable_area_update_info_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"; |
| |
| // Preference key for emergency alerts history |
| public static final String KEY_EMERGENCY_ALERT_HISTORY = "emergency_alert_history"; |
| |
| // For watch layout |
| private static final String KEY_WATCH_ALERT_REMINDER = "watch_alert_reminder"; |
| |
| @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 TwoStatePreference mExtremeCheckBox; |
| private TwoStatePreference mSevereCheckBox; |
| private TwoStatePreference mAmberCheckBox; |
| private TwoStatePreference mEmergencyCheckBox; |
| private ListPreference mReminderInterval; |
| private TwoStatePreference mSpeechCheckBox; |
| private TwoStatePreference mFullVolumeCheckBox; |
| private TwoStatePreference mEtwsTestCheckBox; |
| private TwoStatePreference mAreaUpdateInfoCheckBox; |
| private TwoStatePreference mCmasTestCheckBox; |
| private Preference mAlertHistory; |
| private PreferenceCategory mAlertCategory; |
| private PreferenceCategory mAlertPreferencesCategory; |
| private PreferenceCategory mDevSettingCategory; |
| private boolean mDisableSevereWhenExtremeDisabled = true; |
| |
| // WATCH |
| private TwoStatePreference mAlertReminder; |
| |
| @Override |
| public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { |
| |
| // Load the preferences from an XML resource |
| PackageManager pm = getActivity().getPackageManager(); |
| if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)) { |
| addPreferencesFromResource(R.xml.watch_preferences); |
| } else { |
| addPreferencesFromResource(R.xml.preferences); |
| } |
| |
| PreferenceScreen preferenceScreen = getPreferenceScreen(); |
| |
| mExtremeCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS); |
| mSevereCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_CMAS_SEVERE_THREAT_ALERTS); |
| mAmberCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_CMAS_AMBER_ALERTS); |
| mEmergencyCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_EMERGENCY_ALERTS); |
| mReminderInterval = (ListPreference) |
| findPreference(KEY_ALERT_REMINDER_INTERVAL); |
| mSpeechCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_ALERT_SPEECH); |
| mFullVolumeCheckBox = (TwoStatePreference) |
| findPreference(KEY_USE_FULL_VOLUME); |
| mEtwsTestCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_ETWS_TEST_ALERTS); |
| mAreaUpdateInfoCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_AREA_UPDATE_INFO_ALERTS); |
| mCmasTestCheckBox = (TwoStatePreference) |
| findPreference(KEY_ENABLE_CMAS_TEST_ALERTS); |
| mAlertHistory = findPreference(KEY_EMERGENCY_ALERT_HISTORY); |
| mAlertPreferencesCategory = (PreferenceCategory) |
| findPreference(KEY_CATEGORY_ALERT_PREFERENCES); |
| mDevSettingCategory = (PreferenceCategory) |
| findPreference(KEY_CATEGORY_DEV_SETTINGS); |
| |
| if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)) { |
| mAlertReminder = (TwoStatePreference) |
| findPreference(KEY_WATCH_ALERT_REMINDER); |
| if (Integer.valueOf(mReminderInterval.getValue()) == 0) { |
| mAlertReminder.setChecked(false); |
| } else { |
| mAlertReminder.setChecked(true); |
| } |
| mAlertReminder.setOnPreferenceChangeListener((p, newVal) -> { |
| try { |
| mReminderInterval.setValueIndex((Boolean) newVal ? 1 : 3); |
| } catch (IndexOutOfBoundsException e) { |
| mReminderInterval.setValue(String.valueOf(0)); |
| Log.w(TAG, "Setting default value"); |
| } |
| return true; |
| }); |
| PreferenceScreen watchScreen = (PreferenceScreen) |
| findPreference(KEY_CATEGORY_ALERT_PREFERENCES); |
| watchScreen.removePreference(mReminderInterval); |
| } else { |
| mAlertCategory = (PreferenceCategory) |
| findPreference(KEY_CATEGORY_EMERGENCY_ALERTS); |
| } |
| |
| |
| mDisableSevereWhenExtremeDisabled = isFeatureEnabled(getContext(), |
| CarrierConfigManager.KEY_DISABLE_SEVERE_WHEN_EXTREME_DISABLED_BOOL, true); |
| |
| // 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 (mDisableSevereWhenExtremeDisabled) { |
| if (pref.getKey().equals(KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS)) { |
| boolean isExtremeAlertChecked = (Boolean) newValue; |
| if (mSevereCheckBox != null) { |
| mSevereCheckBox.setEnabled(isExtremeAlertChecked); |
| mSevereCheckBox.setChecked(false); |
| } |
| } |
| } |
| |
| if (pref.getKey().equals(KEY_ENABLE_EMERGENCY_ALERTS)) { |
| boolean isEnableAlerts = (Boolean) newValue; |
| setAlertsEnabled(isEnableAlerts); |
| } |
| |
| // Notify backup manager a backup pass is needed. |
| new BackupManager(getContext()).dataChanged(); |
| return true; |
| } |
| }; |
| |
| // Show extra settings when developer options is enabled in settings. |
| boolean enableDevSettings = Settings.Global.getInt(getContext().getContentResolver(), |
| Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0; |
| |
| Resources res = getResources(); |
| |
| initReminderIntervalList(); |
| |
| boolean forceDisableEtwsCmasTest = CellBroadcastSettings.isFeatureEnabled(getContext(), |
| CarrierConfigManager.KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL, false); |
| |
| boolean emergencyAlertOnOffOptionEnabled = isFeatureEnabled(getContext(), |
| CarrierConfigManager.KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL, false); |
| |
| if (enableDevSettings || emergencyAlertOnOffOptionEnabled) { |
| // enable/disable all alerts except CMAS presidential alerts. |
| if (mEmergencyCheckBox != null) { |
| mEmergencyCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| // If allow alerts are disabled, we turn all sub-alerts off. If it's enabled, we |
| // leave them as they are. |
| if (!mEmergencyCheckBox.isChecked()) { |
| setAlertsEnabled(false); |
| } |
| } else { |
| mAlertCategory.removePreference(mEmergencyCheckBox); |
| } |
| |
| // Show alert settings and ETWS categories for ETWS builds and developer mode. |
| if (enableDevSettings) { |
| if (forceDisableEtwsCmasTest) { |
| if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)) { |
| // Remove CMAS and ETWS test preferences |
| preferenceScreen.removePreference(mCmasTestCheckBox); |
| preferenceScreen.removePreference(mEtwsTestCheckBox); |
| } else { |
| if (mDevSettingCategory != null) { |
| // Remove ETWS test preference. |
| mDevSettingCategory.removePreference(mEtwsTestCheckBox); |
| // Remove CMAS test preference. |
| mDevSettingCategory.removePreference(mCmasTestCheckBox); |
| } |
| } |
| } |
| } else { |
| if (pm.hasSystemFeature(PackageManager.FEATURE_WATCH)) { |
| preferenceScreen.removePreference(mCmasTestCheckBox); |
| preferenceScreen.removePreference(mEtwsTestCheckBox); |
| } else { |
| preferenceScreen.removePreference(mDevSettingCategory); |
| } |
| } |
| |
| if (!res.getBoolean(R.bool.show_cmas_settings)) { |
| // Remove CMAS preference items in emergency alert category. |
| if (mAlertCategory != null) { |
| mAlertCategory.removePreference(mExtremeCheckBox); |
| mAlertCategory.removePreference(mSevereCheckBox); |
| mAlertCategory.removePreference(mAmberCheckBox); |
| } |
| } |
| |
| if (!Resources.getSystem().getBoolean( |
| com.android.internal.R.bool.config_showAreaUpdateInfoSettings)) { |
| if (mAlertCategory != null) { |
| mAlertCategory.removePreference(mAreaUpdateInfoCheckBox); |
| } |
| } |
| |
| if (mAreaUpdateInfoCheckBox != null) { |
| mAreaUpdateInfoCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mEtwsTestCheckBox != null) { |
| mEtwsTestCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mExtremeCheckBox != null) { |
| mExtremeCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| |
| if (mSevereCheckBox != null) { |
| mSevereCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| if (mDisableSevereWhenExtremeDisabled) { |
| if (mExtremeCheckBox != null) { |
| mSevereCheckBox.setEnabled(mExtremeCheckBox.isChecked()); |
| } |
| } |
| } |
| if (mAmberCheckBox != null) { |
| mAmberCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| if (mCmasTestCheckBox != null) { |
| mCmasTestCheckBox.setOnPreferenceChangeListener(startConfigServiceListener); |
| } |
| |
| if (mAlertHistory != null) { |
| mAlertHistory.setOnPreferenceClickListener( |
| new Preference.OnPreferenceClickListener() { |
| @Override |
| public boolean onPreferenceClick(final Preference preference) { |
| final Intent intent = new Intent(getContext(), |
| CellBroadcastListActivity.class); |
| startActivity(intent); |
| return true; |
| } |
| }); |
| } |
| } |
| |
| private void initReminderIntervalList() { |
| |
| String[] activeValues = |
| getResources().getStringArray(R.array.alert_reminder_interval_active_values); |
| String[] allEntries = |
| getResources().getStringArray(R.array.alert_reminder_interval_entries); |
| String[] newEntries = new String[activeValues.length]; |
| |
| // Only add active interval to the list |
| for (int i = 0; i < activeValues.length; i++) { |
| int index = mReminderInterval.findIndexOfValue(activeValues[i]); |
| if (index != -1) { |
| newEntries[i] = allEntries[index]; |
| if (DBG) Log.d(TAG, "Added " + allEntries[index]); |
| } else { |
| Log.e(TAG, "Can't find " + activeValues[i]); |
| } |
| } |
| |
| mReminderInterval.setEntries(newEntries); |
| mReminderInterval.setEntryValues(activeValues); |
| 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; |
| } |
| }); |
| } |
| |
| |
| private void setAlertsEnabled(boolean alertsEnabled) { |
| if (mSevereCheckBox != null) { |
| mSevereCheckBox.setEnabled(alertsEnabled); |
| mSevereCheckBox.setChecked(alertsEnabled); |
| } |
| if (mExtremeCheckBox != null) { |
| mExtremeCheckBox.setEnabled(alertsEnabled); |
| mExtremeCheckBox.setChecked(alertsEnabled); |
| } |
| if (mAmberCheckBox != null) { |
| mAmberCheckBox.setEnabled(alertsEnabled); |
| mAmberCheckBox.setChecked(alertsEnabled); |
| } |
| if (mAreaUpdateInfoCheckBox != null) { |
| mAreaUpdateInfoCheckBox.setEnabled(alertsEnabled); |
| mAreaUpdateInfoCheckBox.setChecked(alertsEnabled); |
| } |
| if (mAlertPreferencesCategory != null) { |
| mAlertPreferencesCategory.setEnabled(alertsEnabled); |
| } |
| if (mDevSettingCategory != null) { |
| mDevSettingCategory.setEnabled(alertsEnabled); |
| } |
| } |
| } |
| |
| public static boolean isFeatureEnabled(Context context, String feature, boolean defaultValue) { |
| int subId = SubscriptionManager.getDefaultSmsSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| subId = SubscriptionManager.getDefaultSubscriptionId(); |
| if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| return defaultValue; |
| } |
| } |
| |
| CarrierConfigManager configManager = |
| (CarrierConfigManager) context.getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| |
| if (configManager != null) { |
| PersistableBundle carrierConfig = configManager.getConfigForSubId(subId); |
| |
| if (carrierConfig != null) { |
| return carrierConfig.getBoolean(feature, defaultValue); |
| } |
| } |
| |
| return defaultValue; |
| } |
| } |
