Code to verify the operating system name and version of Mobile devices.

package com.mycompany.myapp;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedlnstanceState) {
        super.onCreate(savedlnstanceState);
        TextView text = new TextView(this);
        text.setText("\nAll System information:"+
         "\nOperating system version:"+System.getProperty("os.version") +
           "\nOperating system Name:"+System.getProperty("os.name")+
            "\nOperating system architecture:"+System.getProperty("os.arch") +
            "\nManufacturer:" + android.os.Build.MANUFACTURER +
            "\nBoard:" + android.os.Build.BOARD +
            "\nDisplay:" + android.os.Build.DISPLAY+
            "\nBrand:" + android.os.Build.BRAND+
            "\nCPU_ABI:" + android.os.Build.CPU_ABI+
            "\nDevice:" + android.os.Build.DEVICE+
            "\nHost:" + android.os.Build.HOST+
            "\nModel:" + android.os.Build.MODEL+
            //"\nProduct:" + android.os.Build.PR0DUCT +
            "\nType:" + android.os.Build.TYPE+
            "\nUsers:" + android.os.Build.USER);
        setContentView(text);
    }
}