Android(安卓)获取手机信息实例详解

Android 获取手机信息
应用信息：包名、版本号、版本名，手机是否有Root权限
手机信息：手机屏幕宽和高、当前可用内存大小、总内存大小、IMEI号、IESI号、手机型号、手机品牌、手机MacAdd、CPU型号、CPU频率
开门见山，以下是Java代码，XML只有一个TextView显示信息。
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();// 获取手机可用内存大小     getTotalMemory();//获取总内存大小     getHeightAndWidth();//获取屏幕宽高     getInfo();//获取IMEI号，IESI号，手机型号      getMacAddress();//获取IMEI号，IESI号，手机型号      getCpuInfo();//手机CPU信息     getPackage();//获取软件包名,版本名，版本号     isRoot();//手机是否root     String text = getHeightAndWidth() +         "\n" + getTotalMemory() +         "\n" + getAvailMemory() +          "\n" + getInfo() +          "\n" + getMacAddress() +          "\n" + getCpuInfo() +         "\n" + getPackage() +         "\n" + isRoot();     mPhoneInfo.setText(text);        }         /**    * 获取软件包名,版本名，版本号    */   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;   }      /**    * 获取手机是否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;   }      /**    * 获取android当前可用内存大小     */    private String getAvailMemory() {// 获取android当前可用内存大小             File path = Environment.getDataDirectory();      StatFs stat = new StatFs(path.getPath());      long blockSize = stat.getBlockSize();      long availableBlocks = stat.getAvailableBlocks();      return "当前可用内存：" + Formatter.formatFileSize(MainActivity.this, blockSize * availableBlocks);     }         /**    * 获得系统总内存    */    private 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 "总内存大小：" + Formatter.formatFileSize(getBaseContext(), initial_memory);// Byte转换为KB或者MB，内存大小规格化     }        /**    * 获得手机屏幕宽高    * @return    */    public String getHeightAndWidth(){      int width=getWindowManager().getDefaultDisplay().getWidth();      int heigth=getWindowManager().getDefaultDisplay().getHeight();      String str = "Width:" + width+"\nHeight:"+heigth+"";      return str;      }    /**    * 获取IMEI号，IESI号，手机型号    */    private String getInfo() {       TelephonyManager mTm = (TelephonyManager)this.getSystemService(TELEPHONY_SERVICE);        String imei = mTm.getDeviceId();        String imsi = mTm.getSubscriberId();        String mtype = android.os.Build.MODEL; // 手机型号        String mtyb= android.os.Build.BRAND;//手机品牌        String numer = mTm.getLine1Number(); // 手机号码，有的可得，有的不可得      return "手机IMEI号："+imei+"\n手机IESI号："+imsi+"\n手机型号："+mtype+"\n手机品牌："+mtyb+"\n手机号码"+numer;      }    /**    * 获取手机MAC地址    * 只有手机开启wifi才能获取到mac地址    */    private String getMacAddress(){        String result = "";        WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);        WifiInfo wifiInfo = wifiManager.getConnectionInfo();        result = wifiInfo.getMacAddress();        return "手机macAdd:" + result;      }    /**    * 手机CPU信息    */    private 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 "CPU型号:" + cpuInfo[0] + "\nCPU频率：" + 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;   }  }
注意：添加权限
以下是效果视图：
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