获取android手机基本信息

    /**
     * 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   

            ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);  
            MemoryInfo mi = new MemoryInfo();  
            am.getMemoryInfo(mi);  
            //mi.availMem; 当前系统的可用内存   

            return Formatter.formatFileSize(getBaseContext(), mi.availMem);// 将获取的内存大小规格化   
        }  

    /**
     * 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+");
        for (String num : arrayOfString) {
        Log.i(str2, num + "\t");
        }

        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(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+""+heigth+"";
        return str;
    }
    /**
     * 获取IMEI号，IESI号，手机型号
     */
    private void 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
        Log.i("text", "手机IMEI号："+imei+"手机IESI号："+imsi+"手机型号："+mtype+"手机品牌："+mtyb+"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();
        Log.i("text", "手机macAdd:" + result);
        return 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) {
        }
        Log.i("text", "cpuinfo:" + cpuInfo[0] + " " + cpuInfo[1]);
        return cpuInfo;
    }

<!--        获取mac地址权限 -->
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />  
<!--     获取手机信息权限 -->
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />