Android Utililty Methods Device Information Get

List of utility methods to do Device Information Get

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Description

The list of methods to do Device Information Get are organized into topic(s).

Method

StringgetDeviceType(Context ctx)
get Device Type 
if (isTablet(ctx))
    return "Tablet";
else
    return "Phone";
StringgetDeviceModel()
get Device Model 
return Build.MODEL;
intgetDeviceCpuCores()
Gets the number of cores available in this device, across all processors. 
class CpuFilter implements FileFilter {
    @Override
    public boolean accept(File pathname) {
        if (Pattern.matches("cpu[0-9]", pathname.getName())) {
            return true;
        return false;
try {
    File dir = new File("/sys/devices/system/cpu/");
    File[] files = dir.listFiles(new CpuFilter());
    return files.length;
} catch (Exception e) {
    return Runtime.getRuntime().availableProcessors();
StringgetDeviceUniqueIdentificator( @Nonnull Context context, @Nonnull String appId)
Generates an unique, stable UID that identifies the device where the user is currently logged. 
String telephonyId = null;
String androidId = null;
if (hasTelephony(context)) {
    final TelephonyManager telephony = (TelephonyManager) context
            .getSystemService(Context.TELEPHONY_SERVICE);
    telephonyId = telephony.getDeviceId();
if (telephonyId == null) {
...
booleandeviceBeRoot()
device Be Root 
if (isSilent) {
    return isRootSystem();
int i = execRootCmdSilent("echo test");
if (i != -1) {
    return true;
return false;
...
intgetDeviceCpuCores()
Gets the number of cores available in this device, across all processors. 
class CpuFilter implements FileFilter {
    @Override
    public boolean accept(File pathname) {
        return Pattern.matches("cpu[0-9]", pathname.getName());
try {
    File dir = new File("/sys/devices/system/cpu/");
...
Stringget_device_id(Context ctx)
gedevicid 
final TelephonyManager tm = (TelephonyManager) ctx
        .getSystemService(Context.TELEPHONY_SERVICE);
String tmDevice;
String tmSerial = null;
String androidId = null;
tmDevice = "krakenmessages";
try {
    tmDevice = "" + tm.getDeviceId();
...