f1139aab80
Fix NPE when entering Settings app in the SDK (and for devices without Bluetooth). Also remove the "Bluetooth settings" item in addition to the Bluetooth toggle item from Wireless settings when BT is missing. Bug: 4149307 Change-Id: Iecc5960a193cf88664d3217b4d7bdbc2276dabc0
219 lines
9.6 KiB
Java
219 lines
9.6 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import com.android.internal.telephony.TelephonyIntents;
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import com.android.internal.telephony.TelephonyProperties;
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import com.android.settings.bluetooth.BluetoothEnabler;
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import com.android.settings.wifi.WifiEnabler;
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import com.android.settings.nfc.NfcEnabler;
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import android.app.Activity;
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import android.app.admin.DevicePolicyManager;
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import android.bluetooth.BluetoothAdapter;
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import android.content.Context;
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import android.content.Intent;
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import android.net.ConnectivityManager;
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import android.nfc.NfcAdapter;
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import android.os.Bundle;
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import android.os.ServiceManager;
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import android.os.SystemProperties;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceScreen;
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import android.provider.Settings;
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public class WirelessSettings extends SettingsPreferenceFragment {
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private static final String KEY_TOGGLE_AIRPLANE = "toggle_airplane";
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private static final String KEY_TOGGLE_BLUETOOTH = "toggle_bluetooth";
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private static final String KEY_TOGGLE_WIFI = "toggle_wifi";
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private static final String KEY_TOGGLE_NFC = "toggle_nfc";
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private static final String KEY_WIFI_SETTINGS = "wifi_settings";
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private static final String KEY_BT_SETTINGS = "bt_settings";
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private static final String KEY_VPN_SETTINGS = "vpn_settings";
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private static final String KEY_TETHER_SETTINGS = "tether_settings";
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private static final String KEY_PROXY_SETTINGS = "proxy_settings";
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private static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings";
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public static final String EXIT_ECM_RESULT = "exit_ecm_result";
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public static final int REQUEST_CODE_EXIT_ECM = 1;
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private AirplaneModeEnabler mAirplaneModeEnabler;
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private CheckBoxPreference mAirplaneModePreference;
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private WifiEnabler mWifiEnabler;
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private NfcEnabler mNfcEnabler;
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private BluetoothEnabler mBtEnabler;
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/**
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* Invoked on each preference click in this hierarchy, overrides
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* PreferenceActivity's implementation. Used to make sure we track the
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* preference click events.
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*/
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
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if (preference == mAirplaneModePreference && Boolean.parseBoolean(
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SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) {
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// In ECM mode launch ECM app dialog
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startActivityForResult(
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new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
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REQUEST_CODE_EXIT_ECM);
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return true;
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}
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// Let the intents be launched by the Preference manager
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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public static boolean isRadioAllowed(Context context, String type) {
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if (!AirplaneModeEnabler.isAirplaneModeOn(context)) {
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return true;
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}
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// Here we use the same logic in onCreate().
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String toggleable = Settings.System.getString(context.getContentResolver(),
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Settings.System.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
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return toggleable != null && toggleable.contains(type);
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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addPreferencesFromResource(R.xml.wireless_settings);
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final Activity activity = getActivity();
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CheckBoxPreference airplane = (CheckBoxPreference) findPreference(KEY_TOGGLE_AIRPLANE);
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CheckBoxPreference wifi = (CheckBoxPreference) findPreference(KEY_TOGGLE_WIFI);
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CheckBoxPreference bt = (CheckBoxPreference) findPreference(KEY_TOGGLE_BLUETOOTH);
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CheckBoxPreference nfc = (CheckBoxPreference) findPreference(KEY_TOGGLE_NFC);
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mAirplaneModeEnabler = new AirplaneModeEnabler(activity, airplane);
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mAirplaneModePreference = (CheckBoxPreference) findPreference(KEY_TOGGLE_AIRPLANE);
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mWifiEnabler = new WifiEnabler(activity, wifi);
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mBtEnabler = new BluetoothEnabler(activity, bt);
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mNfcEnabler = new NfcEnabler(activity, nfc);
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String toggleable = Settings.System.getString(activity.getContentResolver(),
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Settings.System.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
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// Manually set dependencies for Wifi when not toggleable.
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if (toggleable == null || !toggleable.contains(Settings.System.RADIO_WIFI)) {
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wifi.setDependency(KEY_TOGGLE_AIRPLANE);
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findPreference(KEY_WIFI_SETTINGS).setDependency(KEY_TOGGLE_AIRPLANE);
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findPreference(KEY_VPN_SETTINGS).setDependency(KEY_TOGGLE_AIRPLANE);
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}
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// Manually set dependencies for Bluetooth when not toggleable.
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if (toggleable == null || !toggleable.contains(Settings.System.RADIO_BLUETOOTH)) {
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bt.setDependency(KEY_TOGGLE_AIRPLANE);
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findPreference(KEY_BT_SETTINGS).setDependency(KEY_TOGGLE_AIRPLANE);
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}
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// Remove Bluetooth Settings if Bluetooth service is not available.
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if (ServiceManager.getService(BluetoothAdapter.BLUETOOTH_SERVICE) == null) {
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getPreferenceScreen().removePreference(bt);
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getPreferenceScreen().removePreference(findPreference(KEY_BT_SETTINGS));
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}
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// Remove NFC if its not available
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if (NfcAdapter.getDefaultAdapter(activity) == null) {
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getPreferenceScreen().removePreference(nfc);
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}
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// Remove Mobile Network Settings if it's a wifi-only device.
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if (Utils.isWifiOnly()) {
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getPreferenceScreen().removePreference(findPreference(KEY_MOBILE_NETWORK_SETTINGS));
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}
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// Enable Proxy selector settings if allowed.
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Preference mGlobalProxy = findPreference(KEY_PROXY_SETTINGS);
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DevicePolicyManager mDPM = (DevicePolicyManager)
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activity.getSystemService(Context.DEVICE_POLICY_SERVICE);
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// proxy UI disabled until we have better app support
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getPreferenceScreen().removePreference(mGlobalProxy);
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mGlobalProxy.setEnabled(mDPM.getGlobalProxyAdmin() == null);
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// Disable Tethering if it's not allowed or if it's a wifi-only device
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ConnectivityManager cm =
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(ConnectivityManager) activity.getSystemService(Context.CONNECTIVITY_SERVICE);
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if (!cm.isTetheringSupported()) {
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getPreferenceScreen().removePreference(findPreference(KEY_TETHER_SETTINGS));
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} else {
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String[] usbRegexs = cm.getTetherableUsbRegexs();
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String[] wifiRegexs = cm.getTetherableWifiRegexs();
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String[] bluetoothRegexs = cm.getTetherableBluetoothRegexs();
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boolean usbAvailable = usbRegexs.length != 0;
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boolean wifiAvailable = wifiRegexs.length != 0;
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boolean bluetoothAvailable = bluetoothRegexs.length != 0;
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Preference p = findPreference(KEY_TETHER_SETTINGS);
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if (wifiAvailable && usbAvailable && bluetoothAvailable) {
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p.setTitle(R.string.tether_settings_title_all);
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p.setSummary(R.string.tether_settings_summary_all);
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} else if (wifiAvailable && usbAvailable) {
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p.setTitle(R.string.tether_settings_title_all);
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p.setSummary(R.string.tether_settings_summary_usb_wifi);
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} else if (wifiAvailable && bluetoothAvailable) {
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p.setTitle(R.string.tether_settings_title_all);
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p.setSummary(R.string.tether_settings_summary_wifi_bluetooth);
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} else if (wifiAvailable) {
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p.setTitle(R.string.tether_settings_title_wifi);
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p.setSummary(R.string.tether_settings_summary_wifi);
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} else if (usbAvailable && bluetoothAvailable) {
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p.setTitle(R.string.tether_settings_title_usb_bluetooth);
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p.setSummary(R.string.tether_settings_summary_usb_bluetooth);
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} else if (usbAvailable) {
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p.setTitle(R.string.tether_settings_title_usb);
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p.setSummary(R.string.tether_settings_summary_usb);
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} else {
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p.setTitle(R.string.tether_settings_title_bluetooth);
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p.setSummary(R.string.tether_settings_summary_bluetooth);
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}
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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mAirplaneModeEnabler.resume();
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mWifiEnabler.resume();
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mBtEnabler.resume();
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mNfcEnabler.resume();
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}
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@Override
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public void onPause() {
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super.onPause();
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mAirplaneModeEnabler.pause();
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mWifiEnabler.pause();
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mBtEnabler.pause();
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mNfcEnabler.pause();
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (requestCode == REQUEST_CODE_EXIT_ECM) {
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Boolean isChoiceYes = data.getBooleanExtra(EXIT_ECM_RESULT, false);
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// Set Airplane mode based on the return value and checkbox state
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mAirplaneModeEnabler.setAirplaneModeInECM(isChoiceYes,
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mAirplaneModePreference.isChecked());
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}
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}
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}
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