Android获取手机信息的工具类

import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import android.app.Activity;import android.content.Context;import android.content.pm.ApplicationInfo;import android.content.pm.PackageManager;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.provider.Settings;import android.telephony.TelephonyManager;import android.text.format.Formatter;/** * 获取手机信息工具类 *  */public class PhoneUtil {  private static PhoneUtil instance;  private TelephonyManager tm;  private Activity act;  private PhoneUtil(Activity act) {    tm = (TelephonyManager) act.getSystemService(Context.TELEPHONY_SERVICE);    this.act = act;  }  public static PhoneUtil getInstance(Activity act) {    if (instance == null) {      instance = new PhoneUtil(act);    } else if (instance.act != act) {      instance = new PhoneUtil(act);    }    return instance;  }  /** 是否处于飞行模式 */  public boolean isAirModeOpen() {    return (Settings.System.getInt(act.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0) == 1 ? true        : false);  }  /** 获取手机号码 */  public String getPhoneNumber() {    return tm == null ? null : tm.getLine1Number();  }  /** 获取网络类型（暂时用不到） */  public int getNetWorkType() {    return tm == null ? 0 : tm.getNetworkType();  }  /** 获取手机sim卡的序列号（IMSI） */  public String getIMSI() {    return tm == null ? null : tm.getSubscriberId();  }  /** 获取手机IMEI */  public String getIMEI() {    return tm == null ? null : tm.getDeviceId();  }  /** 获取手机型号 */  public static String getModel() {    return android.os.Build.MODEL;  }  /** 获取手机品牌 */  public static String getBrand() {    return android.os.Build.BRAND;  }  /** 获取手机系统版本 */  public static String getVersion() {    return android.os.Build.VERSION.RELEASE;  }  /** 获得手机系统总内存 */  public String getTotalMemory() {    String str1 = "/proc/meminfo";// 系统内存信息文件    String str2;    String[] arrayOfString;    long initial_memory = 0;    try {      FileReader localFileReader = new FileReader(str1);      BufferedReader localBufferedReader = new BufferedReader(localFileReader, 8192);      str2 = localBufferedReader.readLine();// 读取meminfo第一行，系统总内存大小      arrayOfString = str2.split("//s+");      initial_memory = Integer.valueOf(arrayOfString[1]).intValue() * 1024;// 获得系统总内存，单位是KB，乘以1024转换为Byte      localBufferedReader.close();    } catch (IOException e) {    }    return Formatter.formatFileSize(act, initial_memory);// Byte转换为KB或者MB，内存大小规格化  }  /** 获取手机屏幕宽 */  public int getScreenWidth() {    return act.getWindowManager().getDefaultDisplay().getWidth();  }  /** 获取手机屏高宽 */  public int getScreenHeight() {    return act.getWindowManager().getDefaultDisplay().getHeight();  }  /** 获取应用包名 */  public String getPackageName() {    return act.getPackageName();  }  /**   * 获取手机MAC地址 只有手机开启wifi才能获取到mac地址   */  public String getMacAddress() {    String result = "";    WifiManager wifiManager = (WifiManager) act.getSystemService(Context.WIFI_SERVICE);    WifiInfo wifiInfo = wifiManager.getConnectionInfo();    result = wifiInfo.getMacAddress();    return result;  }  /**   * 获取手机CPU信息 //1-cpu型号 //2-cpu频率   */  public String[] getCpuInfo() {    String str1 = "/proc/cpuinfo";    String str2 = "";    String[] cpuInfo = { "", "" }; // 1-cpu型号 //2-cpu频率    String[] arrayOfString;    try {      FileReader fr = new FileReader(str1);      BufferedReader localBufferedReader = new BufferedReader(fr, 8192);      str2 = localBufferedReader.readLine();      arrayOfString = str2.split("//s+");      for (int i = 2; i < arrayOfString.length; i++) {        cpuInfo[0] = cpuInfo[0] + arrayOfString[i] + " ";      }      str2 = localBufferedReader.readLine();      arrayOfString = str2.split("//s+");      cpuInfo[1] += arrayOfString[2];      localBufferedReader.close();    } catch (IOException e) {    }    return cpuInfo;  }  /** 获取Application中的meta-data内容 */  public String getMetaData(String name) {    String result = "";    try {      ApplicationInfo appInfo = act.getPackageManager().getApplicationInfo(getPackageName(),          PackageManager.GET_META_DATA);      result = appInfo.metaData.getString(name);    } catch (Exception e) {      e.printStackTrace();    }    return result;  }}