package com.example.getphoneinfo;  import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException;  import android.app.Activity; import android.content.Context; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Bundle; import android.os.Environment; import android.os.StatFs; import android.telephony.TelephonyManager; import android.text.format.Formatter; import android.view.Menu; import android.widget.TextView;  public class MainActivity extends Activity {    TextView mPhoneInfo;   @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_main);          initView();     initData();        }    private void initData() {     // TODO Auto-generated method stub     getAvailMemory();// 獲取手機可用內存大小     getTotalMemory();//獲取總內存大小     getHeightAndWidth();//獲取屏幕寬高     getInfo();//獲取IMEI號，IESI號，手機型號      getMacAddress();//獲取IMEI號，IESI號，手機型號      getCpuInfo();//手機CPU信息     getPackage();//獲取軟件包名,版本名，版本號     isRoot();//手機是否root     String text = getHeightAndWidth() +         "/n" + getTotalMemory() +         "/n" + getAvailMemory() +          "/n" + getInfo() +          "/n" + getMacAddress() +          "/n" + getCpuInfo() +         "/n" + getPackage() +         "/n" + isRoot();     mPhoneInfo.setText(text);        }         /**    * 獲取軟件包名,版本名，版本號    */   private String getPackage(){     try {       String pkName = this.getPackageName();       String versionName = this.getPackageManager().getPackageInfo(           pkName, 0).versionName;       int versionCode = this.getPackageManager()           .getPackageInfo(pkName, 0).versionCode;       return "Package:" + pkName + "/nversionName:" + versionName + "/nversionCode:" + versionCode;     } catch (Exception e) {     }     return null;   }      /**    * 獲取手機是否root信息    * @return    */   private String isRoot(){     String bool = "Root:false";     try{       if ((!new File("/system/bin/su").exists()) && (!new File("/system/xbin/su").exists())){         bool = "Root:false";       } else {         bool = "Root:true";       }           } catch (Exception e) {     }      return bool;   }      /**    * 獲取android當前可用內存大小     */    private String getAvailMemory() {// 獲取android當前可用內存大小             File path = Environment.getDataDirectory();      StatFs stat = new StatFs(path.getPath());      long blockSize = stat.getBlockSize();      long availableBlocks = stat.getAvailableBlocks();      return "當前可用內存：" + Formatter.formatFileSize(MainActivity.this, blockSize * availableBlocks);     }         /**    * 獲得系統總內存    */    private String getTotalMemory() {      String str1 = "/proc/meminfo";// 系統內存信息文件       String str2;      String[] arrayOfString;      long initial_memory = 0;        try {      FileReader localFileReader = new FileReader(str1);      BufferedReader localBufferedReader = new BufferedReader(      localFileReader, 8192);      str2 = localBufferedReader.readLine();// 讀取meminfo第一行，系統總內存大小           arrayOfString = str2.split("http://s+");      initial_memory = Integer.valueOf(arrayOfString[1]).intValue() * 1024;// 獲得系統總內存，單位是KB，乘以1024轉換為Byte       localBufferedReader.close();        } catch (IOException e) {      }      return "總內存大小：" + Formatter.formatFileSize(getBaseContext(), initial_memory);// Byte轉換為KB或者MB，內存大小規格化     }        /**    * 獲得手機屏幕寬高    * @return    */    public String getHeightAndWidth(){      int width=getWindowManager().getDefaultDisplay().getWidth();      int heigth=getWindowManager().getDefaultDisplay().getHeight();      String str = "Width:" + width+"/nHeight:"+heigth+"";      return str;      }    /**    * 獲取IMEI號，IESI號，手機型號    */    private String getInfo() {       TelephonyManager mTm = (TelephonyManager)this.getSystemService(TELEPHONY_SERVICE);        String imei = mTm.getDeviceId();        String imsi = mTm.getSubscriberId();        String mtype = android.os.Build.MODEL; // 手機型號        String mtyb= android.os.Build.BRAND;//手機品牌        String numer = mTm.getLine1Number(); // 手機號碼，有的可得，有的不可得      return "手機IMEI號："+imei+"/n手機IESI號："+imsi+"/n手機型號："+mtype+"/n手機品牌："+mtyb+"/n手機號碼"+numer;      }    /**    * 獲取手機MAC地址    * 只有手機開啟wifi才能獲取到mac地址    */    private String getMacAddress(){        String result = "";        WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);        WifiInfo wifiInfo = wifiManager.getConnectionInfo();        result = wifiInfo.getMacAddress();        return "手機macAdd:" + result;      }    /**    * 手機CPU信息    */    private String getCpuInfo() {        String str1 = "/proc/cpuinfo";        String str2 = "";        String[] cpuInfo = {"", ""}; //1-cpu型號 //2-cpu頻率        String[] arrayOfString;        try {          FileReader fr = new FileReader(str1);          BufferedReader localBufferedReader = new BufferedReader(fr, 8192);          str2 = localBufferedReader.readLine();          arrayOfString = str2.split("http://s+");          for (int i = 2; i < arrayOfString.length; i++) {            cpuInfo[0] = cpuInfo[0] + arrayOfString[i] + " ";          }          str2 = localBufferedReader.readLine();          arrayOfString = str2.split("http://s+");          cpuInfo[1] += arrayOfString[2];          localBufferedReader.close();        } catch (IOException e) {        }        return "CPU型號:" + cpuInfo[0] + "/nCPU頻率：" + cpuInfo[1];      }      public void initView() {     // TODO Auto-generated method stub     mPhoneInfo = (TextView)findViewById(R.id.id_tv_phone_info);   }    @Override   public boolean onCreateOptionsMenu(Menu menu) {     // Inflate the menu; this adds items to the action bar if it is present.     getMenuInflater().inflate(R.menu.main, menu);     return true;   }  } 

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />    <uses-permission android:name="android.permission.READ_PHONE_STATE" />