Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;

import android.content.Context;

import android.telephony.TelephonyManager;

public class Main {
    private static Context matoContext;

    public static String getIMEI() {
        checkNull();
        TelephonyManager telephonyManager = (TelephonyManager) matoContext
                .getSystemService(Context.TELEPHONY_SERVICE);
        String imei = telephonyManager.getDeviceId();
        return imei == null ? "null" : imei;
    }

    public static void checkNull() {
        if (matoContext == null) {
            throw new NullPointerException("context is null");
        }
    }
}