Android獲取手機的相關硬件信息的代碼

import android.app.ActivityManager;

import android.content.Context;

import android.os.Bundle;

import android.support.v7.app.ActionBarActivity;

import android.telephony.TelephonyManager;

import android.text.format.Formatter;

import android.util.Log;

import android.widget.TextView;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.io.InputStream;
public class MainActivity extends ActionBarActivity {

private TextView mTextView;  

@Override  
protected void onCreate(Bundle savedInstanceState) {  
    super.onCreate(savedInstanceState);  
    setContentView(R.layout.activity_main);  

    mTextView = (TextView) findViewById(R.id.textViewId);  
    getPhoneInfo();  
}  

/** 
 * 獲取手機信息 
 */  
public void getPhoneInfo() {  
    TelephonyManager tm = (TelephonyManager) this.getSystemService(TELEPHONY_SERVICE);  
    String mtyb = android.os.Build.BRAND;// 手機品牌  
    String mtype = android.os.Build.MODEL; // 手機型號  
    String imei = tm.getDeviceId();  
    String imsi = tm.getSubscriberId();  
    String numer = tm.getLine1Number(); // 手機號碼  
    String serviceName = tm.getSimOperatorName(); // 運營商  
    mTextView.setText("品牌: " + mtyb + "\n" + "型號: " + mtype + "\n" + "版本: Android "  
            + android.os.Build.VERSION.RELEASE + "\n" + "IMEI: " + imei  
            + "\n" + "IMSI: " + imsi + "\n" + "手機號碼: " + numer + "\n"  
            + "運營商: " + serviceName + "\n");  
    mTextView.append("總內存: " + getTotalMemory() + "\n");  
    mTextView.append("當前可用內存: " + getAvailMemory() + "\n");  
    mTextView.append("CPU名字: " + getCpuName() + "\n");  
    mTextView.append("CPU最大頻率: " + getMaxCpuFreq() + "\n");  
    mTextView.append("CPU最小頻率: " + getMinCpuFreq() + "\n");  
    mTextView.append("CPU當前頻率: " + getCurCpuFreq() + "\n");  
}  

/** 
 * 獲取手機內存大小 
 * 
 * @return 
 */  
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("\\s+");  
        for (String num : arrayOfString) {  
            Log.i(str2, num + "\t");  
        }  

        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 Formatter.formatFileSize(getBaseContext(), initial_memory);// Byte轉換為KB或者MB，內存大小規格化  
}  

/** 
 * 獲取當前可用內存大小 
 * 
 * @return 
 */  
private String getAvailMemory() {  
    ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);  
    ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();  
    am.getMemoryInfo(mi);  
    return Formatter.formatFileSize(getBaseContext(), mi.availMem);  
}  

public static String getMaxCpuFreq() {  
    String result = "";  
    ProcessBuilder cmd;  
    try {  
        String[] args = {"/system/bin/cat",  
                "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq"};  
        cmd = new ProcessBuilder(args);  
        Process process = cmd.start();  
        InputStream in = process.getInputStream();  
        byte[] re = new byte[24];  
        while (in.read(re) != -1) {  
            result = result + new String(re);  
        }  
        in.close();  
    } catch (IOException ex) {  
        ex.printStackTrace();  
        result = "N/A";  
    }  
    return result.trim() + "Hz";  
}  

// 獲取CPU最小頻率（單位KHZ）  

public static String getMinCpuFreq() {  
    String result = "";  
    ProcessBuilder cmd;  
    try {  
        String[] args = {"/system/bin/cat",  
                "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq"};  
        cmd = new ProcessBuilder(args);  
        Process process = cmd.start();  
        InputStream in = process.getInputStream();  
        byte[] re = new byte[24];  
        while (in.read(re) != -1) {  
            result = result + new String(re);  
        }  
        in.close();  
    } catch (IOException ex) {  
        ex.printStackTrace();  
        result = "N/A";  
    }  
    return result.trim() + "Hz";  
}  

// 實時獲取CPU當前頻率（單位KHZ）  

public static String getCurCpuFreq() {  
    String result = "N/A";  
    try {  
        FileReader fr = new FileReader(  
                "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");  
        BufferedReader br = new BufferedReader(fr);  
        String text = br.readLine();  
        result = text.trim() + "Hz";  
    } catch (FileNotFoundException e) {  
        e.printStackTrace();  
    } catch (IOException e) {  
        e.printStackTrace();  
    }  
    return result;  
}  

public static String getCpuName() {  
    try {  
        FileReader fr = new FileReader("/proc/cpuinfo");  
        BufferedReader br = new BufferedReader(fr);  
        String text = br.readLine();  
        String[] array = text.split(":\\s+", 2);  
        for (int i = 0; i < array.length; i++) {  
        }  
        return array[1];  
    } catch (FileNotFoundException e) {  
        e.printStackTrace();  
    } catch (IOException e) {  
        e.printStackTrace();  
    }  
    return null;  
}  

}  </pre>