Method to check if the Android device is connected to the Internet.

AndroidManifest.xml

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

InternetAccess.java

public static boolean hasInternetAccess() {
    ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ni = cm.getActiveNetworkInfo();
    if (ni == null) {
        // There are no active networks.
        return false;
    } else {
        return true;
    }
 }