SystemInfo.java

package my.app.Library;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.Hashtable;

import android.content.Context;
import android.telephony.TelephonyManager;

public class SystemInfo {

	Context ctx;
	TelephonyManager tm;
	
	public SystemInfo(Context c) {
		ctx = c;
		tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
	}
	
	public String getPhoneNumber() {
		return tm.getLine1Number();
	}
	
	public String getIMEI() {
		return tm.getDeviceId();
	}
	
	public String getCountryCode() {
		return tm.getNetworkCountryIso();
	}
	
	public String getOperatorName() {
		return tm.getNetworkOperatorName();
	}
	
	public String getSimCountryCode() {
		return tm.getSimCountryIso();
	}
	
	public String getSimOperatorName() {
		return tm.getSimOperatorName();
	}
	
	public String getSimSerial() {
		return tm.getSimSerialNumber();
	}
	
	public byte[] getBasicInfos() {
		Hashtable<String, String> h = new Hashtable<String, String>();
		String res;
		res = getIMEI();
		if(res != null)
			h.put("IMEI", res);
		res = getPhoneNumber();
		if(res != null)
			h.put("PhoneNumber", res);
		res = getCountryCode();
		if(res != null)
			h.put("Country", res);
		res = getOperatorName();
		if(res != null)
			h.put("Operator",res);
		res = getSimCountryCode();
		if(res != null)
			h.put("SimCountry", res);
		res = getSimOperatorName();
		if(res != null)
			h.put("SimOperator", res);
		res= getSimSerial();
		if(res != null)
			h.put("SimSerial", res);
		
		try {
			ByteArrayOutputStream bos = new ByteArrayOutputStream();
			ObjectOutputStream out = new ObjectOutputStream(bos);
			out.writeObject(h);
			return bos.toByteArray();
		} catch (IOException e) {
			return null;
		}
	}
	

	
}