怎么通过代码获取手机的相关硬件信息
怎么通过代码获取手机的相关硬件信息
想知道怎么用代码来获取手机的相关硬件信息吗?别着急，今天就让学习啦小编来教下大家吧，快来看看吧，希望能让大家有所收获!
获取手机相关硬件信息的代码
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;
}
}