Android获取cpu和内存信息、网址的代码

android获取手机cpu并判断是单核还是多核

/**
* Gets the number of cores available in this device, across all processors.
* Requires: Ability to peruse the filesystem at "/sys/devices/system/cpu"
* @return The number of cores, or 1 if failed to get result
*/
private int getNumCores() {
//Private Class to display only CPU devices in the directory listing
class CpuFilter implements FileFilter {
@Override
public boolean accept(File pathname) {
//Check if filename is "cpu", followed by a single digit number
if(Pattern.matches("cpu[0-9]", pathname.getName())) {
return true;
}
return false;
}
}

try {
//Get directory containing CPU info
File dir = new File("/sys/devices/system/cpu/");
//Filter to only list the devices we care about
File[] files = dir.listFiles(new CpuFilter());
//Return the number of cores (virtual CPU devices)
return files.length;
} catch(Exception e) {
//Default to return 1 core
return 1;
}
}

Android获取cpu和内存信息、网址的代码，/** 获取用户硬件信息 */

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/** 获取用户硬件信息 */

public static String getMobileInfo() {

//StringBuffer sb = new StringBuffer();

JSONObject mbInfo = new JSONObject();

//通过反射获取用户硬件信息

try {

Field[] fields = Build.class.getDeclaredFields();

for (Field field : fields) {

// 暴力反射,获取私有信息

field.setAccessible(true);

String name = field.getName();

String value = field.get(null).toString();

//sb.append(name + "=" + value);

//sb.append("n");

mbInfo.put(name, value);

}

} catch (Exception e) {

e.printStackTrace();

}

//return sb.toString();

return mbInfo.toString();

}

static public String getCpuString(){

if(Build.CPU_ABI.equalsIgnoreCase("x86")){

return "Intel";

}

String strInfo = "";

try

{

byte[] bs = new byte[1024];

RandomAccessFile reader = new RandomAccessFile("/proc/cpuinfo","r");

reader.read(bs);

String ret = new String(bs);

int index = ret.indexOf(0);

if(index != -1) {

strInfo = ret.substring(0, index);

} else {

strInfo = ret;

}

catch (IOException ex){

ex.printStackTrace();

}

return strInfo;

}

static public String getCpuType(){

String strInfo = getCpuString();

String strType = null;

if (strInfo.contains("ARMv5")) {

strType = "armv5";

} else if (strInfo.contains("ARMv6")) {

strType = "armv6";

} else if (strInfo.contains("ARMv7")) {

strType = "armv7";

} else if (strInfo.contains("Intel")){

strType = "x86";

}else{

strType = "unknown";

return strType;

}

if (strInfo.contains("neon")) {

strType += "_neon";

}else if (strInfo.contains("vfpv3")) {

strType += "_vfpv3";

}else if (strInfo.contains(" vfp")) {

strType += "_vfp";

}else{

strType += "_none";

}

return strType;

}

/**

* @hide

* @return

*/

public static CPUInfo getCPUInfo() {

String strInfo = null;

try

{

byte[] bs = new byte[1024];

RandomAccessFile reader = new RandomAccessFile("/proc/cpuinfo","r");

reader.read(bs);

String ret = new String(bs);

int index = ret.indexOf(0);

if(index != -1) {

strInfo = ret.substring(0, index);

} else {

strInfo = ret;

}

catch (IOException ex)

{

strInfo = "";

ex.printStackTrace();

}

CPUInfo info = parseCPUInfo(strInfo);

info.mCPUMaxFreq = getMaxCpuFreq();

return info;

}

private final static String kCpuInfoMaxFreqFilePath ="/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq";

private static int getMaxCpuFreq() {

int result = 0;

FileReader fr = null;

BufferedReader br = null;

try {

fr = new FileReader(kCpuInfoMaxFreqFilePath);

br = new BufferedReader(fr);

String text = br.readLine();

if (text != null) {

result = Integer.parseInt(text.trim());

}

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

} finally {

if (fr != null)

try {

fr.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

if (br != null)

try {

br.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return result;

}

public static class CPUInfo{

public CPUInfo(){

}

public static final int CPU_TYPE_UNKNOWN = 0x00000000;

public static final int CPU_TYPE_ARMV5TE = 0x00000001;

public static final int CPU_TYPE_ARMV6 = 0x00000010;

public static final int CPU_TYPE_ARMV7 = 0x00000100;

public static final int CPU_FEATURE_UNKNOWS = 0x00000000;

public static final int CPU_FEATURE_VFP = 0x00000001;

public static final int CPU_FEATURE_VFPV3 = 0x00000010;

public static final int CPU_FEATURE_NEON = 0x00000100;

public int mCPUType;

public int mCPUCount;

public int mCPUFeature;

public double mBogoMips;

public long mCPUMaxFreq;

}

/**

*

* @param cpuInfo

* @return

* @hide

*/

private static CPUInfo parseCPUInfo(String cpuInfo) {

if (cpuInfo == null || "".equals(cpuInfo)) {

return null;

}

CPUInfo ci = new CPUInfo();

ci.mCPUType = CPUInfo.CPU_TYPE_UNKNOWN;

ci.mCPUFeature = CPUInfo.CPU_FEATURE_UNKNOWS;

ci.mCPUCount = 1;

ci.mBogoMips = 0;

if (cpuInfo.contains("ARMv5")) {

ci.mCPUType = CPUInfo.CPU_TYPE_ARMV5TE;

} else if (cpuInfo.contains("ARMv6")) {

ci.mCPUType = CPUInfo.CPU_TYPE_ARMV6;

} else if (cpuInfo.contains("ARMv7")) {

ci.mCPUType = CPUInfo.CPU_TYPE_ARMV7;

}

if (cpuInfo.contains("neon")) {

ci.mCPUFeature |= CPUInfo.CPU_FEATURE_NEON;

}

if (cpuInfo.contains("vfpv3")) {

ci.mCPUFeature |= CPUInfo.CPU_FEATURE_VFPV3;

}

if (cpuInfo.contains(" vfp")) {

ci.mCPUFeature |= CPUInfo.CPU_FEATURE_VFP;

}

String[] items = cpuInfo.split("n");

for (String item : items) {

if (item.contains("CPU variant")) {

int index = item.indexOf(": ");

if (index >= 0) {

String value = item.substring(index + 2);

try {

ci.mCPUCount = Integer.decode(value);

ci.mCPUCount = ci.mCPUCount == 0 ? 1 : ci.mCPUCount;

} catch (NumberFormatException e) {

ci.mCPUCount = 1;

}

} else if (item.contains("BogoMIPS")) {

int index = item.indexOf(": ");

if (index >= 0) {

String value = item.substring(index + 2);

}

return ci;

}

/**

* 获取设备内存大小值

* @return 内存大小,单位MB

*/

public static long getTotalMemory() {

String str1 = "/proc/meminfo";

String str2;

String[] arrayOfString;

long initial_memory = 0;

try {

FileReader localFileReader = new FileReader(str1);

BufferedReader localBufferedReader = newBufferedReader(localFileReader, 8192);

str2 = localBufferedReader.readLine();

if (str2 != null) {

arrayOfString = str2.split("\s+");

initial_memory = Integer.valueOf(arrayOfString[1]).intValue()/1024;

}

localBufferedReader.close();

return initial_memory;

}

catch (IOException e)

{

return -1;

}

/**

* @hide

* @return

*/

public CPUInfo getCPUInfo() {

String strInfo = null;

try

{

byte[] bs = new byte[1024];

RandomAccessFile reader = new RandomAccessFile("/proc/cpuinfo","r");

reader.read(bs);

String ret = new String(bs);

int index = ret.indexOf(0);

if(index != -1) {

strInfo = ret.substring(0, index);

} else {

strInfo = ret;

}

catch (IOException ex)

{

strInfo = "";

ex.printStackTrace();

}

CPUInfo info = parseCPUInfo(strInfo);

info.mCPUMaxFreq = getMaxCpuFreq();

return info;

}

/**

* 获取android CPU类型

*

* @return String CPU类型

*/

public static String getCpuModel(){

String cpu_model = "";

CPUInfo in = getCPUInfo();

if ((in.mCPUType & CPUInfo.CPU_TYPE_ARMV5TE) == CPUInfo.CPU_TYPE_ARMV5TE)

cpu_model="armv5";

else if ((in.mCPUType & CPUInfo.CPU_TYPE_ARMV6) == CPUInfo.CPU_TYPE_ARMV6)

cpu_model="armv6";

else if ((in.mCPUType & CPUInfo.CPU_TYPE_ARMV7) == CPUInfo.CPU_TYPE_ARMV7)

cpu_model="armv7";

else

cpu_model="unknown";

return cpu_model;

}

/**

* 获取android CPU特性

*

* @return String CPU特性

*/

public static String getCpuFeature(){

String cpu_feature = "";

CPUInfo in = getCPUInfo();

if ((in.mCPUFeature & CPUInfo.CPU_FEATURE_NEON ) == CPUInfo.CPU_FEATURE_NEON)

cpu_feature="neon";

else if ((in.mCPUFeature & CPUInfo.CPU_FEATURE_VFP ) == CPUInfo.CPU_FEATURE_VFP)

cpu_feature="vfp";

else if ((in.mCPUFeature & CPUInfo.CPU_FEATURE_VFPV3 ) == CPUInfo.CPU_FEATURE_VFPV3)

cpu_feature="vfpv3";

else

cpu_feature="unknown";

return cpu_feature;

}

/**

* 获取ip地址

*

* @param mContext Context

* @return ip地址字符串

*/

public static String getIpAddress(Context mContext) {

String ipAddress = null;

try {

for (Enumeration<NetworkInterface> en = NetworkInterface

.getNetworkInterfaces(); en.hasMoreElements();) {

NetworkInterface intf = en.nextElement();

for (Enumeration<InetAddress> enumIpAddr = intf

.getInetAddresses(); enumIpAddr.hasMoreElements();) {

InetAddress inetAddress = enumIpAddr.nextElement();

if (!inetAddress.isLoopbackAddress()) {

ipAddress = inetAddress.getHostAddress().toString();

}

} catch (SocketException ex) {

return null;

}

if (DEBUG) {

Log.d(TAG, "ip address:" + ipAddress);

}

return ipAddress;

}

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Android获取cpu和内存信息、网址的代码

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