【Android】获取手机的相干硬件信息_Android

【Android】获取手机的相关硬件信息
今天在QQ群里聊天,一个哥们在某宝买到了一个运行内存16G的手机,当时我就吓尿了,所以有了写个程序把这个手机的实际内存读出来的想法,于是就有了今天这篇博客.
所有的信息项如下图所示.(由于我的测试机没有插手机卡,所以有的信息会显示为空)
以下就是代码:
package com.liu.chad.practicesqlite;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();    }    /**     * 获取手机信息     */    public void getPhoneInfo() {        TelephonyManager tm = (TelephonyManager) this.getSystemService(TELEPHONY_SERVICE);        String mtyb = android.os.Build.BRAND;// 手机品牌        String mtype = android.os.Build.MODEL; // 手机型号        String imei = tm.getDeviceId();        String imsi = tm.getSubscriberId();        String numer = tm.getLine1Number(); // 手机号码        String serviceName = tm.getSimOperatorName(); // 运营商        mTextView.setText("品牌: " + mtyb + "\n" + "型号: " + mtype + "\n" + "版本: Android "                + android.os.Build.VERSION.RELEASE + "\n" + "IMEI: " + imei                + "\n" + "IMSI: " + imsi + "\n" + "手机号码: " + numer + "\n"                + "运营商: " + serviceName + "\n");        mTextView.append("总内存: " + getTotalMemory() + "\n");        mTextView.append("当前可用内存: " + getAvailMemory() + "\n");        mTextView.append("CPU名字: " + getCpuName() + "\n");        mTextView.append("CPU最大频率: " + getMaxCpuFreq() + "\n");        mTextView.append("CPU最小频率: " + getMinCpuFreq() + "\n");        mTextView.append("CPU当前频率: " + getCurCpuFreq() + "\n");    }    /**     * 获取手机内存大小     *     * @return     */    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    }    /**     * 获取当前可用内存大小     *     * @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";    }    // 获取CPU最小频率（单位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";    }    // 实时获取CPU当前频率（单位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;    }}
布局文件就是一个TextView,我就不在这里贴出来了.
1楼u0123773333天前 09:44: 不错啊