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copied!<p>Based on the Android Developer document & Wikipedia link here i have given comments & define network type.Check the links in comment.</p> <p>You can use <code>getNetworkType</code> to get Network type. </p> <pre><code> public class CommonUtils { /** * To get device consuming netowkr type is 2g,3g,4g * * @param context * @return "2g","3g","4g" as a String based on the network type */ public static String getNetworkType(Context context) { TelephonyManager mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); int networkType = mTelephonyManager.getNetworkType(); switch (networkType) { case TelephonyManager.NETWORK_TYPE_GPRS: case TelephonyManager.NETWORK_TYPE_EDGE: case TelephonyManager.NETWORK_TYPE_CDMA: case TelephonyManager.NETWORK_TYPE_1xRTT: case TelephonyManager.NETWORK_TYPE_IDEN: return "2g"; case TelephonyManager.NETWORK_TYPE_UMTS: case TelephonyManager.NETWORK_TYPE_EVDO_0: case TelephonyManager.NETWORK_TYPE_EVDO_A: /** From this link https://en.wikipedia.org/wiki/Evolution-Data_Optimized ..NETWORK_TYPE_EVDO_0 & NETWORK_TYPE_EVDO_A EV-DO is an evolution of the CDMA2000 (IS-2000) standard that supports high data rates. Where CDMA2000 https://en.wikipedia.org/wiki/CDMA2000 .CDMA2000 is a family of 3G[1] mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. */ case TelephonyManager.NETWORK_TYPE_HSDPA: case TelephonyManager.NETWORK_TYPE_HSUPA: case TelephonyManager.NETWORK_TYPE_HSPA: case TelephonyManager.NETWORK_TYPE_EVDO_B: case TelephonyManager.NETWORK_TYPE_EHRPD: case TelephonyManager.NETWORK_TYPE_HSPAP: //Log.d("Type", "3g"); //For 3g HSDPA , HSPAP(HSPA+) are main networktype which are under 3g Network //But from other constants also it will 3g like HSPA,HSDPA etc which are in 3g case. //Some cases are added after testing(real) in device with 3g enable data //and speed also matters to decide 3g network type //https://en.wikipedia.org/wiki/4G#Data_rate_comparison return "3g"; case TelephonyManager.NETWORK_TYPE_LTE: //No specification for the 4g but from wiki //I found(LTE (Long-Term Evolution, commonly marketed as 4G LTE)) //https://en.wikipedia.org/wiki/LTE_(telecommunication) return "4g"; default: return "Notfound"; } } /** * To check device has internet * * @param context * @return boolean as per status */ public static boolean isNetworkConnected(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = cm.getActiveNetworkInfo(); return netInfo != null && netInfo.isConnected(); } } </code></pre>

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