android 如何得到手机的信息..

public class PhoneState {

?private SharedPreferences mdata;
?private TelephonyManager mPhoneManager;
?LogUtil logUtil=new LogUtil();//rizhi
?@SuppressWarnings("static-access")
?public PhoneState(Context context) {
??mdata = PreferenceManager.getDefaultSharedPreferences(context);
??mPhoneManager = (TelephonyManager) context
????.getSystemService(context.TELEPHONY_SERVICE);
?}

?// 用户ID
?public int getUsrid() {
??
??return mdata.getInt("uid", 0);
?}

?// 获得imei号
?public String getPhoneid1() {
??logUtil.writeFileToSD("imei"+mPhoneManager.getDeviceId());
??return mPhoneManager.getDeviceId();
?}

?// 获得手机号
?public String getPhoneid2() {
??logUtil.writeFileToSD("手机号"+mPhoneManager.getLine1Number());
??return mPhoneManager.getLine1Number();
?}

?// 获得手机型号
?public String getUseragent() {
??return Build.MODEL;
?}

?public String getIMSI() {
??String myIMSI = mPhoneManager.getSubscriberId();
??logUtil.writeFileToSD("imsi"+myIMSI);
??return myIMSI;
?}

?// 获取短信中心号码
?public String getSmsCenterNum() {
??return new SmsMessage().getServiceCenterAddress();
?}
?// 获得ip
?public String getIp() {
??try {
???for (Enumeration<NetworkInterface> en = NetworkInterface
?????.getNetworkInterfaces(); en.hasMoreElements();) {
????NetworkInterface intf = en.nextElement();
????for (Enumeration<InetAddress> enumIpAddr = intf
??????.getInetAddresses(); enumIpAddr.hasMoreElements();) {
?????InetAddress inetAddress = enumIpAddr.nextElement();
?????if (!inetAddress.isLoopbackAddress()) {
??????return inetAddress.getHostAddress().toString();
?????}
????}
???}
??} catch (Exception e) {
??}
??return "0.0.0.0";
?}
}