Java tutorial
//package com.java2s; import android.content.Context; import android.telephony.TelephonyManager; import android.text.TextUtils; public class Main { public static String getPhone(Context context) { TelephonyManager mTelephonyMgr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); String num = mTelephonyMgr.getLine1Number(); if (TextUtils.isEmpty(num)) { return ""; } else { return num; } } }