得到android的系统信息

参考自eoeApps。

在使用eoeApps时，发现它显示的一些系统属性像和用命令行中敲出来的一样，好奇心大起。反编译之，遂得。

关键点为使用ProcessBuilder来执行命令。

另，系统属性的详细信息见：http://blog.csdn.net/jerryutscn/archive/2010/04/24/5519423.aspx

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package lab.sodino.textimage;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.InputStream;

import android.app.Activity;

import android.app.ActivityManager;

import android.content.Context;

import android.os.Bundle;

import android.telephony.TelephonyManager;

import android.util.DisplayMetrics;

import android.widget.TextView;

public class TextImgAct extends Activity {

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

TextView txt = (TextView) findViewById(R.id.txt);

txt.setBackgroundColor(0xffffffff);

txt.setTextColor(0xff0000ff);

// txt.setText(getSystemProperty());//显示系统属性

// txt.setText(getMemoryInfo(this));//显示内存信息

// txt.setText(getVersionInfo());//显示系统版本信息

// txt.setText(getCPUInfo());//显示CPU信息

// txt.setText(getDiskInfo());//显示盘符信息

// txt.setText(getDmesgInfo());//显示dmesg信息

// txt.setText(getNetConfigInfo());//显示网络设置信息

// txt.setText(getNetStatusInfo());//显示网络状态信息

// txt.setText(getMountInfo());//显示Mount信息

txt.setText(getTelStatus(this));//显示电话网络信息

}

/**

* System Property文件为：<br/>

* 1./default.prop <br/>

* 2./system/build.prop <br/>

* 3./system/default.prop <br/>

* 4./data/local.prop <br/>

* 属性信息按照上面的顺序被加载。后加载的属性会覆盖前面的属性值(注：当属性名称相同的时候)。当上面加载完成后，最后加载的是驻留属性，保存在/data

* /property文件中。<br/>

* 详见：http://blog.csdn.net/jerryutscn/archive/2010/04/24/5519423.aspx

*/

public static String getSystemProperty() {

StringBuffer strBuf = new StringBuffer();

strBuf.append("java.vendor.url="

+ System.getProperty("java.vendor.url") + "/n");

strBuf.append("java.class.path="

+ System.getProperty("java.class.path") + "/n");

strBuf.append("user.home=" + System.getProperty("user.home") + "/n");

strBuf.append("java.class.version="

+ System.getProperty("java.class.version") + "/n");

strBuf.append("os.version=" + System.getProperty("os.version") + "/n");

strBuf

.append("java.vendor=" + System.getProperty("java.vendor")

+ "/n");

strBuf.append("user.dir=" + System.getProperty("user.dir") + "/n");

strBuf.append("user.timezone=" + System.getProperty("user.timezone")

+ "/n");

strBuf.append("path.separator=" + System.getProperty("path.separator")

+ "/n");

strBuf.append("os.name=" + System.getProperty("os.name") + "/n");

strBuf.append("os.arch=" + System.getProperty("os.arch") + "/n");

strBuf.append("line.separator=" + System.getProperty("line.separator")

+ "/n");

strBuf.append("file.separator=" + System.getProperty("file.separator")

+ "/n");

strBuf.append("user.name=" + System.getProperty("user.name") + "/n");

strBuf.append("java.version=" + System.getProperty("java.version")

+ "/n");

strBuf.append("java.home=" + System.getProperty("java.home") + "/n");

return strBuf.toString();

}

//直接复制的反编译结果，未整理。

public static String getDisplayMetrics(Context context) {

DisplayMetrics displaymetrics1 = context.getApplicationContext()

.getResources().getDisplayMetrics();

int i = displaymetrics1.widthPixels;

int j = displaymetrics1.heightPixels;

float f = displaymetrics1.density;

float f1 = displaymetrics1.xdpi;

float f2 = displaymetrics1.ydpi;

String s = String.valueOf("");

StringBuilder stringbuilder = (new StringBuilder(s))

.append("The absolute width:");

String s1 = String.valueOf(i);

String s2 = String.valueOf(stringbuilder.append(s1).append("pixels/n")

.toString());

StringBuilder stringbuilder1 = (new StringBuilder(s2))

.append("The absolute heightin:");

String s3 = String.valueOf(j);

String s4 = String.valueOf(stringbuilder1.append(s3).append("pixels/n")

.toString());

StringBuilder stringbuilder2 = (new StringBuilder(s4))

.append("The logical density of the display.:");

String s5 = String.valueOf(f);

String s6 = String.valueOf(stringbuilder2.append(s5).append("/n")

.toString());

StringBuilder stringbuilder3 = (new StringBuilder(s6))

.append("X dimension :");

String s7 = String.valueOf(f1);

String s8 = String.valueOf(stringbuilder3.append(s7).append(

"pixels per inch/n").toString());

StringBuilder stringbuilder4 = (new StringBuilder(s8))

.append("Y dimension :");

String s9 = String.valueOf(f2);

return stringbuilder4.append(s9).append("pixels per inch/n").toString();

}

public static String getVersionInfo() {

String[] args = { "/system/bin/cat", "/proc/version" };

return exec(args);

}

public static String getCPUInfo() {

String[] args = { "/system/bin/cat", "/proc/cpuinfo" };

return exec(args);

}

public static String getDiskInfo() {

String[] args = { "/system/bin/df" };

return exec(args);

}

public static String getDmesgInfo() {

String[] args = { "/system/bin/dmesg" };

return exec(args);

}

public static String getNetConfigInfo() {

String[] args = { "/system/bin/netcfg" };

return exec(args);

}

public static String getNetStatusInfo() {

String[] args = { "/system/bin/netstat" };

return exec(args);

}

public static String getMountInfo() {

String[] args = { "/system/bin/mount" };

return exec(args);

}

public static String getMemoryInfo(Context context) {

StringBuffer strBuf = new StringBuffer();

ActivityManager actMgr = (ActivityManager) context

.getSystemService(Context.ACTIVITY_SERVICE);

android.app.ActivityManager.MemoryInfo memoryinfo = new android.app.ActivityManager.MemoryInfo();

actMgr.getMemoryInfo(memoryinfo);

strBuf.append("/nTotal Available Memory :");

long l = memoryinfo.availMem >> 10;

strBuf.append(l).append("k");

strBuf.append("/nTotal Available Memory :");

long l1 = memoryinfo.availMem >> 20;

strBuf.append(l1).append("M");

strBuf.append("/nIn low memory situation:");

boolean flag = memoryinfo.lowMemory;

strBuf.append(flag);

String[] args = { "/system/bin/cat", "/proc/meminfo" };

strBuf.append(exec(args));

return strBuf.toString();

}

public static String exec(String[] args) {

String result = "";

ProcessBuilder processBuilder = new ProcessBuilder(args);

Process process = null;

InputStream is = null;

try {

process = processBuilder.start();

is = process.getInputStream();

ByteArrayOutputStream baos = new ByteArrayOutputStream();

int read = -1;

while ((read = is.read()) != -1) {

baos.write(read);

}

byte[] data = baos.toByteArray();

result = new String(data);

} catch (IOException e) {

e.printStackTrace();

} finally {

if (is != null) {

try {

is.close();

} catch (IOException e) {

e.printStackTrace();

}

}

if (process != null) {

process.destroy();

}

}

return result;

}

//直接复制的反编译结果，未整理。

public static String getTelStatus(Context context) {

TelephonyManager telephonymanager = (TelephonyManager) context

.getSystemService("phone");

String s = String.valueOf("");

StringBuilder stringbuilder = (new StringBuilder(s))

.append("DeviceId(IMEI) = ");

String s1 = telephonymanager.getDeviceId();

String s2 = String.valueOf(stringbuilder.append(s1).append("/n")

.toString());

StringBuilder stringbuilder1 = (new StringBuilder(s2))

.append("DeviceSoftwareVersion = ");

String s3 = telephonymanager.getDeviceSoftwareVersion();

String s4 = String.valueOf(stringbuilder1.append(s3).append("/n")

.toString());

StringBuilder stringbuilder2 = (new StringBuilder(s4))

.append("Line1Number = ");

String s5 = telephonymanager.getLine1Number();

String s6 = String.valueOf(stringbuilder2.append(s5).append("/n")

.toString());

StringBuilder stringbuilder3 = (new StringBuilder(s6))

.append("NetworkCountryIso = ");

String s7 = telephonymanager.getNetworkCountryIso();

String s8 = String.valueOf(stringbuilder3.append(s7).append("/n")

.toString());

StringBuilder stringbuilder4 = (new StringBuilder(s8))

.append("NetworkOperator = ");

String s9 = telephonymanager.getNetworkOperator();

String s10 = String.valueOf(stringbuilder4.append(s9).append("/n")

.toString());

StringBuilder stringbuilder5 = (new StringBuilder(s10))

.append("NetworkOperatorName = ");

String s11 = telephonymanager.getNetworkOperatorName();

String s12 = String.valueOf(stringbuilder5.append(s11).append("/n")

.toString());

StringBuilder stringbuilder6 = (new StringBuilder(s12))

.append("NetworkType = ");

int i = telephonymanager.getNetworkType();

String s13 = String.valueOf(stringbuilder6.append(i).append("/n")

.toString());

StringBuilder stringbuilder7 = (new StringBuilder(s13))

.append("PhoneType = ");

int j = telephonymanager.getPhoneType();

String s14 = String.valueOf(stringbuilder7.append(j).append("/n")

.toString());

StringBuilder stringbuilder8 = (new StringBuilder(s14))

.append("SimCountryIso = ");

String s15 = telephonymanager.getSimCountryIso();

String s16 = String.valueOf(stringbuilder8.append(s15).append("/n")

.toString());

StringBuilder stringbuilder9 = (new StringBuilder(s16))

.append("SimOperator = ");

String s17 = telephonymanager.getSimOperator();

String s18 = String.valueOf(stringbuilder9.append(s17).append("/n")

.toString());

StringBuilder stringbuilder10 = (new StringBuilder(s18))

.append("SimOperatorName = ");

String s19 = telephonymanager.getSimOperatorName();

String s20 = String.valueOf(stringbuilder10.append(s19).append("/n")

.toString());

StringBuilder stringbuilder11 = (new StringBuilder(s20))

.append("SimSerialNumber = ");

String s21 = telephonymanager.getSimSerialNumber();

String s22 = String.valueOf(stringbuilder11.append(s21).append("/n")

.toString());

StringBuilder stringbuilder12 = (new StringBuilder(s22))

.append("SimState = ");

int k = telephonymanager.getSimState();

String s23 = String.valueOf(stringbuilder12.append(k).append("/n")

.toString());

StringBuilder stringbuilder13 = (new StringBuilder(s23))

.append("SubscriberId(IMSI) = ");

String s24 = telephonymanager.getSubscriberId();

String s25 = String.valueOf(stringbuilder13.append(s24).append("/n")

.toString());

StringBuilder stringbuilder14 = (new StringBuilder(s25))

.append("VoiceMailNumber = ");

String s26 = telephonymanager.getVoiceMailNumber();

String s27 = stringbuilder14.append(s26).append("/n").toString();

int l = context.getResources().getConfiguration().mcc;

int i1 = context.getResources().getConfiguration().mnc;

String s28 = String.valueOf(s27);

StringBuilder stringbuilder15 = (new StringBuilder(s28))

.append("IMSI MCC (Mobile Country Code):");

String s29 = String.valueOf(l);

String s30 = String.valueOf(stringbuilder15.append(s29).append("/n")

.toString());

StringBuilder stringbuilder16 = (new StringBuilder(s30))

.append("IMSI MNC (Mobile Network Code):");

String s31 = String.valueOf(i1);

return stringbuilder16.append(s31).append("/n").toString();

}

}