得到电话状态(WIFI状态，厂商，运营商等)的工具类

得到电话的状态，包括手机版本，厂商，运营商，型号，WIFI状态等等；无需多言，一看就懂的傻瓜贴。

需要在AndroidManifest.xml中注册如下权限

[html]
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

[java]
package com.jamin.phone_info;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import android.Manifest;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.MemoryInfo;
import android.content.Context;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Build;
import android.telephony.TelephonyManager;
import android.util.Log;

public class PhoneInfo {

        private static final String TAG = PhoneInfo.class.getSimpleName();
        private static final String FILE_MEMORY = "/proc/meminfo";
        private static final String FILE_CPU = "/proc/cpuinfo";
        public String mIMEI;
        public int mPhoneType;
        public int mSysVersion;
        public String mNetWorkCountryIso;
        public String mNetWorkOperator;
        public String mNetWorkOperatorName;
        public int mNetWorkType;
        public boolean mIsOnLine;
        public String mConnectTypeName;
        public long mFreeMem;
        public long mTotalMem;
        public String mCupInfo;
        public String mProductName;
        public String mModelName;
        public String mManufacturerName;


        /**
         * private constructor
         */
        private PhoneInfo() {

        }


        /**
         * get imei
         * @return
         */

        public static String getIMEI(Context context) {
                TelephonyManager manager = (TelephonyManager) context
                                .getSystemService(Activity.TELEPHONY_SERVICE);
                // check if has the permission
                if (PackageManager.PERMISSION_GRANTED == context.getPackageManager()
                                .checkPermission(Manifest.permission.READ_PHONE_STATE,
                                                context.getPackageName())) {
                        return manager.getDeviceId();
                } else {
                        return null;
                }
        }


        /**
         * get phone type,like :GSM��CDMA��SIP��NONE
         *
         * @param context
         * @return
         */

        public static int getPhoneType(Context context) {
                TelephonyManager manager = (TelephonyManager) context
                                .getSystemService(Activity.TELEPHONY_SERVICE);
                return manager.getPhoneType();
        }


        /**
         * get phone sys version
         *
         * @return
         */
        public static int getSysVersion() {
                return Build.VERSION.SDK_INT;
        }


        /**
         * Returns the ISO country code equivalent of the current registered
         * operator's MCC (Mobile Country Code).
         *
         * @param context
         * @return
         */
&nbs

补充：移动开发 , Android ,