Is there a function or command to get the basic device configurations of android device? Like the RAM size,OS version,number of processor cores, etc..
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4 Answers
All of the device information you can get below the ways. Hope for help.
Get CPU Core of device
/**
* 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;
}
}
Get Total RAM of device
public static String getTotalRAM() {
RandomAccessFile reader = null;
String load = null;
try {
reader = new RandomAccessFile("/proc/meminfo", "r");
load = reader.readLine();
} catch (IOException ex) {
ex.printStackTrace();
} finally {
// Streams.close(reader);
}
return load;
}
Other information of device
String _OSVERSION = System.getProperty("os.version");
String _RELEASE = android.os.Build.VERSION.RELEASE;
String _DEVICE = android.os.Build.DEVICE;
String _MODEL = android.os.Build.MODEL;
String _PRODUCT = android.os.Build.PRODUCT;
String _BRAND = android.os.Build.BRAND;
String _DISPLAY = android.os.Build.DISPLAY;
String _CPU_ABI = android.os.Build.CPU_ABI;
String _CPU_ABI2 = android.os.Build.CPU_ABI2;
String _UNKNOWN = android.os.Build.UNKNOWN;
String _HARDWARE = android.os.Build.HARDWARE;
String _ID = android.os.Build.ID;
String _MANUFACTURER = android.os.Build.MANUFACTURER;
String _SERIAL = android.os.Build.SERIAL;
String _USER = android.os.Build.USER;
String _HOST = android.os.Build.HOST;
2 Comments
Mano
the getTotalRAM is working perfectly..but the CPU function doesnt provide any result..when i print it gives blank output both in emulator and device
B M
this is original solution for CPU Core stackoverflow.com/questions/7962155/…
You can obtain most of the information you want from the /proc/cpuinfo file. Here is a tutorial on how to load and parse that file: How to get Cpu Information on android
Information about the RAM can be obtained from the /proc/meminfo file
Comments
Check out the android.os.Build class.
android.os.Build.HARDWARE
android.os.Build.DEVICE
android.os.Build.MODEL
android.os.Build.PRODUCT
android.os.Build.BOARD
android.os.Build.DISPLAY
etc...
To get the OS version number, you can try
System.getProperty("os.version");
Comments
You could look at android.os.Build to determine the phone make and model. From there have a lookup to look up the phone specs based on make and model.
