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/*
* Copyright (C) 2008 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.settings.deviceinfo;
import android.bluetooth.BluetoothAdapter;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Resources;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.telephony.CellBroadcastMessage;
import android.telephony.PhoneNumberUtils;
import android.telephony.PhoneStateListener;
import android.telephony.ServiceState;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneConstants;
import com.android.internal.telephony.PhoneFactory;
import com.android.internal.telephony.PhoneStateIntentReceiver;
import com.android.settings.R;
import com.android.settings.Utils;
import java.lang.ref.WeakReference;
/**
* Display the following information
* # Phone Number
* # Network
* # Roaming
* # Device Id (IMEI in GSM and MEID in CDMA)
* # Network type
* # Operator info (area info cell broadcast for Brazil)
* # Signal Strength
* # Battery Strength : TODO
* # Uptime
* # Awake Time
* # XMPP/buzz/tickle status : TODO
*
*/
public class Status extends PreferenceActivity {
private static final String KEY_DATA_STATE = "data_state";
private static final String KEY_SERVICE_STATE = "service_state";
private static final String KEY_OPERATOR_NAME = "operator_name";
private static final String KEY_ROAMING_STATE = "roaming_state";
private static final String KEY_NETWORK_TYPE = "network_type";
private static final String KEY_LATEST_AREA_INFO = "latest_area_info";
private static final String KEY_PHONE_NUMBER = "number";
private static final String KEY_IMEI_SV = "imei_sv";
private static final String KEY_IMEI = "imei";
private static final String KEY_PRL_VERSION = "prl_version";
private static final String KEY_MIN_NUMBER = "min_number";
private static final String KEY_MEID_NUMBER = "meid_number";
private static final String KEY_SIGNAL_STRENGTH = "signal_strength";
private static final String KEY_BATTERY_STATUS = "battery_status";
private static final String KEY_BATTERY_LEVEL = "battery_level";
private static final String KEY_IP_ADDRESS = "wifi_ip_address";
private static final String KEY_WIFI_MAC_ADDRESS = "wifi_mac_address";
private static final String KEY_BT_ADDRESS = "bt_address";
private static final String KEY_SERIAL_NUMBER = "serial_number";
private static final String KEY_ICC_ID = "icc_id";
private static final String KEY_WIMAX_MAC_ADDRESS = "wimax_mac_address";
private static final String[] PHONE_RELATED_ENTRIES = {
KEY_DATA_STATE,
KEY_SERVICE_STATE,
KEY_OPERATOR_NAME,
KEY_ROAMING_STATE,
KEY_NETWORK_TYPE,
KEY_LATEST_AREA_INFO,
KEY_PHONE_NUMBER,
KEY_IMEI,
KEY_IMEI_SV,
KEY_PRL_VERSION,
KEY_MIN_NUMBER,
KEY_MEID_NUMBER,
KEY_SIGNAL_STRENGTH,
KEY_ICC_ID
};
static final String CB_AREA_INFO_RECEIVED_ACTION =
"android.cellbroadcastreceiver.CB_AREA_INFO_RECEIVED";
static final String GET_LATEST_CB_AREA_INFO_ACTION =
"android.cellbroadcastreceiver.GET_LATEST_CB_AREA_INFO";
// Require the sender to have this permission to prevent third-party spoofing.
static final String CB_AREA_INFO_SENDER_PERMISSION =
"android.permission.RECEIVE_EMERGENCY_BROADCAST";
private static final int EVENT_SIGNAL_STRENGTH_CHANGED = 200;
private static final int EVENT_SERVICE_STATE_CHANGED = 300;
private static final int EVENT_UPDATE_STATS = 500;
private TelephonyManager mTelephonyManager;
private Phone mPhone = null;
private PhoneStateIntentReceiver mPhoneStateReceiver;
private Resources mRes;
private Preference mSignalStrength;
private Preference mUptime;
private boolean mShowLatestAreaInfo;
private String sUnknown;
private Preference mBatteryStatus;
private Preference mBatteryLevel;
private Handler mHandler;
private static class MyHandler extends Handler {
private WeakReference<Status> mStatus;
public MyHandler(Status activity) {
mStatus = new WeakReference<Status>(activity);
}
@Override
public void handleMessage(Message msg) {
Status status = mStatus.get();
if (status == null) {
return;
}
switch (msg.what) {
case EVENT_SIGNAL_STRENGTH_CHANGED:
status.updateSignalStrength();
break;
case EVENT_SERVICE_STATE_CHANGED:
ServiceState serviceState = status.mPhoneStateReceiver.getServiceState();
status.updateServiceState(serviceState);
break;
case EVENT_UPDATE_STATS:
status.updateTimes();
sendEmptyMessageDelayed(EVENT_UPDATE_STATS, 1000);
break;
}
}
}
private BroadcastReceiver mBatteryInfoReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
mBatteryLevel.setSummary(Utils.getBatteryPercentage(intent));
mBatteryStatus.setSummary(Utils.getBatteryStatus(getResources(), intent));
}
}
};
private PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
@Override
public void onDataConnectionStateChanged(int state) {
updateDataState();
updateNetworkType();
}
};
private BroadcastReceiver mAreaInfoReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (CB_AREA_INFO_RECEIVED_ACTION.equals(action)) {
Bundle extras = intent.getExtras();
if (extras == null) {
return;
}
CellBroadcastMessage cbMessage = (CellBroadcastMessage) extras.get("message");
if (cbMessage != null && cbMessage.getServiceCategory() == 50) {
String latestAreaInfo = cbMessage.getMessageBody();
updateAreaInfo(latestAreaInfo);
}
}
}
};
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
mHandler = new MyHandler(this);
mTelephonyManager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
addPreferencesFromResource(R.xml.device_info_status);
mBatteryLevel = findPreference(KEY_BATTERY_LEVEL);
mBatteryStatus = findPreference(KEY_BATTERY_STATUS);
mRes = getResources();
sUnknown = mRes.getString(R.string.device_info_default);
if (UserHandle.myUserId() == UserHandle.USER_OWNER) {
mPhone = PhoneFactory.getDefaultPhone();
}
// Note - missing in zaku build, be careful later...
mSignalStrength = findPreference(KEY_SIGNAL_STRENGTH);
mUptime = findPreference("up_time");
if (mPhone == null || Utils.isWifiOnly(getApplicationContext())) {
for (String key : PHONE_RELATED_ENTRIES) {
removePreferenceFromScreen(key);
}
} else {
// NOTE "imei" is the "Device ID" since it represents
// the IMEI in GSM and the MEID in CDMA
if (mPhone.getPhoneName().equals("CDMA")) {
setSummaryText(KEY_MEID_NUMBER, mPhone.getMeid());
setSummaryText(KEY_MIN_NUMBER, mPhone.getCdmaMin());
if (getResources().getBoolean(R.bool.config_msid_enable)) {
findPreference(KEY_MIN_NUMBER).setTitle(R.string.status_msid_number);
}
setSummaryText(KEY_PRL_VERSION, mPhone.getCdmaPrlVersion());
removePreferenceFromScreen(KEY_IMEI_SV);
if (mPhone.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE) {
// Show ICC ID and IMEI for LTE device
setSummaryText(KEY_ICC_ID, mPhone.getIccSerialNumber());
setSummaryText(KEY_IMEI, mPhone.getImei());
} else {
// device is not GSM/UMTS, do not display GSM/UMTS features
// check Null in case no specified preference in overlay xml
removePreferenceFromScreen(KEY_IMEI);
removePreferenceFromScreen(KEY_ICC_ID);
}
} else {
setSummaryText(KEY_IMEI, mPhone.getDeviceId());
setSummaryText(KEY_IMEI_SV,
((TelephonyManager) getSystemService(TELEPHONY_SERVICE))
.getDeviceSoftwareVersion());
// device is not CDMA, do not display CDMA features
// check Null in case no specified preference in overlay xml
removePreferenceFromScreen(KEY_PRL_VERSION);
removePreferenceFromScreen(KEY_MEID_NUMBER);
removePreferenceFromScreen(KEY_MIN_NUMBER);
removePreferenceFromScreen(KEY_ICC_ID);
// only show area info when SIM country is Brazil
if ("br".equals(mTelephonyManager.getSimCountryIso())) {
mShowLatestAreaInfo = true;
}
}
String rawNumber = mPhone.getLine1Number(); // may be null or empty
String formattedNumber = null;
if (!TextUtils.isEmpty(rawNumber)) {
formattedNumber = PhoneNumberUtils.formatNumber(rawNumber);
}
// If formattedNumber is null or empty, it'll display as "Unknown".
setSummaryText(KEY_PHONE_NUMBER, formattedNumber);
mPhoneStateReceiver = new PhoneStateIntentReceiver(this, mHandler);
mPhoneStateReceiver.notifySignalStrength(EVENT_SIGNAL_STRENGTH_CHANGED);
mPhoneStateReceiver.notifyServiceState(EVENT_SERVICE_STATE_CHANGED);
if (!mShowLatestAreaInfo) {
removePreferenceFromScreen(KEY_LATEST_AREA_INFO);
}
}
setWimaxStatus();
setWifiStatus();
setBtStatus();
setIpAddressStatus();
String serial = Build.SERIAL;
if (serial != null && !serial.equals("")) {
setSummaryText(KEY_SERIAL_NUMBER, serial);
} else {
removePreferenceFromScreen(KEY_SERIAL_NUMBER);
}
}
@Override
protected void onResume() {
super.onResume();
if (mPhone != null && !Utils.isWifiOnly(getApplicationContext())) {
mPhoneStateReceiver.registerIntent();
updateSignalStrength();
updateServiceState(mPhone.getServiceState());
updateDataState();
mTelephonyManager.listen(mPhoneStateListener,
PhoneStateListener.LISTEN_DATA_CONNECTION_STATE);
if (mShowLatestAreaInfo) {
registerReceiver(mAreaInfoReceiver, new IntentFilter(CB_AREA_INFO_RECEIVED_ACTION),
CB_AREA_INFO_SENDER_PERMISSION, null);
// Ask CellBroadcastReceiver to broadcast the latest area info received
Intent getLatestIntent = new Intent(GET_LATEST_CB_AREA_INFO_ACTION);
sendBroadcastAsUser(getLatestIntent, UserHandle.ALL,
CB_AREA_INFO_SENDER_PERMISSION);
}
}
registerReceiver(mBatteryInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
mHandler.sendEmptyMessage(EVENT_UPDATE_STATS);
}
@Override
public void onPause() {
super.onPause();
if (mPhone != null && !Utils.isWifiOnly(getApplicationContext())) {
mPhoneStateReceiver.unregisterIntent();
mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE);
}
if (mShowLatestAreaInfo) {
unregisterReceiver(mAreaInfoReceiver);
}
unregisterReceiver(mBatteryInfoReceiver);
mHandler.removeMessages(EVENT_UPDATE_STATS);
}
/**
* Removes the specified preference, if it exists.
* @param key the key for the Preference item
*/
private void removePreferenceFromScreen(String key) {
Preference pref = findPreference(key);
if (pref != null) {
getPreferenceScreen().removePreference(pref);
}
}
/**
* @param preference The key for the Preference item
* @param property The system property to fetch
* @param alt The default value, if the property doesn't exist
*/
private void setSummary(String preference, String property, String alt) {
try {
findPreference(preference).setSummary(
SystemProperties.get(property, alt));
} catch (RuntimeException e) {
}
}
private void setSummaryText(String preference, String text) {
if (TextUtils.isEmpty(text)) {
text = sUnknown;
}
// some preferences may be missing
if (findPreference(preference) != null) {
findPreference(preference).setSummary(text);
}
}
private void updateNetworkType() {
// Whether EDGE, UMTS, etc...
setSummaryText(KEY_NETWORK_TYPE, mTelephonyManager.getNetworkTypeName() +
":" + mTelephonyManager.getNetworkType());
}
private void updateDataState() {
int state = mTelephonyManager.getDataState();
String display = mRes.getString(R.string.radioInfo_unknown);
switch (state) {
case TelephonyManager.DATA_CONNECTED:
display = mRes.getString(R.string.radioInfo_data_connected);
break;
case TelephonyManager.DATA_SUSPENDED:
display = mRes.getString(R.string.radioInfo_data_suspended);
break;
case TelephonyManager.DATA_CONNECTING:
display = mRes.getString(R.string.radioInfo_data_connecting);
break;
case TelephonyManager.DATA_DISCONNECTED:
display = mRes.getString(R.string.radioInfo_data_disconnected);
break;
}
setSummaryText(KEY_DATA_STATE, display);
}
private void updateServiceState(ServiceState serviceState) {
int state = serviceState.getState();
String display = mRes.getString(R.string.radioInfo_unknown);
switch (state) {
case ServiceState.STATE_IN_SERVICE:
display = mRes.getString(R.string.radioInfo_service_in);
break;
case ServiceState.STATE_OUT_OF_SERVICE:
case ServiceState.STATE_EMERGENCY_ONLY:
display = mRes.getString(R.string.radioInfo_service_out);
break;
case ServiceState.STATE_POWER_OFF:
display = mRes.getString(R.string.radioInfo_service_off);
break;
}
setSummaryText(KEY_SERVICE_STATE, display);
if (serviceState.getRoaming()) {
setSummaryText(KEY_ROAMING_STATE, mRes.getString(R.string.radioInfo_roaming_in));
} else {
setSummaryText(KEY_ROAMING_STATE, mRes.getString(R.string.radioInfo_roaming_not));
}
setSummaryText(KEY_OPERATOR_NAME, serviceState.getOperatorAlphaLong());
}
private void updateAreaInfo(String areaInfo) {
if (areaInfo != null) {
setSummaryText(KEY_LATEST_AREA_INFO, areaInfo);
}
}
void updateSignalStrength() {
// TODO PhoneStateIntentReceiver is deprecated and PhoneStateListener
// should probably used instead.
// not loaded in some versions of the code (e.g., zaku)
if (mSignalStrength != null) {
int state =
mPhoneStateReceiver.getServiceState().getState();
Resources r = getResources();
if ((ServiceState.STATE_OUT_OF_SERVICE == state) ||
(ServiceState.STATE_POWER_OFF == state)) {
mSignalStrength.setSummary("0");
}
int signalDbm = mPhoneStateReceiver.getSignalStrengthDbm();
if (-1 == signalDbm) signalDbm = 0;
int signalAsu = mPhoneStateReceiver.getSignalStrengthLevelAsu();
if (-1 == signalAsu) signalAsu = 0;
mSignalStrength.setSummary(String.valueOf(signalDbm) + " "
+ r.getString(R.string.radioInfo_display_dbm) + " "
+ String.valueOf(signalAsu) + " "
+ r.getString(R.string.radioInfo_display_asu));
}
}
private void setWimaxStatus() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
NetworkInfo ni = cm.getNetworkInfo(ConnectivityManager.TYPE_WIMAX);
if (ni == null) {
PreferenceScreen root = getPreferenceScreen();
Preference ps = (Preference) findPreference(KEY_WIMAX_MAC_ADDRESS);
if (ps != null) root.removePreference(ps);
} else {
Preference wimaxMacAddressPref = findPreference(KEY_WIMAX_MAC_ADDRESS);
String macAddress = SystemProperties.get("net.wimax.mac.address",
getString(R.string.status_unavailable));
wimaxMacAddressPref.setSummary(macAddress);
}
}
private void setWifiStatus() {
WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
Preference wifiMacAddressPref = findPreference(KEY_WIFI_MAC_ADDRESS);
String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress
: getString(R.string.status_unavailable));
}
private void setIpAddressStatus() {
Preference ipAddressPref = findPreference(KEY_IP_ADDRESS);
String ipAddress = Utils.getDefaultIpAddresses(this);
if (ipAddress != null) {
ipAddressPref.setSummary(ipAddress);
} else {
ipAddressPref.setSummary(getString(R.string.status_unavailable));
}
}
private void setBtStatus() {
BluetoothAdapter bluetooth = BluetoothAdapter.getDefaultAdapter();
Preference btAddressPref = findPreference(KEY_BT_ADDRESS);
if (bluetooth == null) {
// device not BT capable
getPreferenceScreen().removePreference(btAddressPref);
} else {
String address = bluetooth.isEnabled() ? bluetooth.getAddress() : null;
btAddressPref.setSummary(!TextUtils.isEmpty(address) ? address
: getString(R.string.status_unavailable));
}
}
void updateTimes() {
long at = SystemClock.uptimeMillis() / 1000;
long ut = SystemClock.elapsedRealtime() / 1000;
if (ut == 0) {
ut = 1;
}
mUptime.setSummary(convert(ut));
}
private String pad(int n) {
if (n >= 10) {
return String.valueOf(n);
} else {
return "0" + String.valueOf(n);
}
}
private String convert(long t) {
int s = (int)(t % 60);
int m = (int)((t / 60) % 60);
int h = (int)((t / 3600));
return h + ":" + pad(m) + ":" + pad(s);
}
}