“As a disclaimer, I am a designer, and while my knowledge of programming has increased a fraction while creating a document, it should be known that Android makes it difficult for anyone who is not a programming to decipher their rules. So with that in mind, understand that while my research has been abundant, this document should be considered a designer’s translation of Android and therefore subject to error.

Read more here ….

/**
* IMPORTANT: Don't forget to include into your manifest.xml!
* @author Sheldon Cohen
*
*/

public boolean isNetworkAvailable() {
   Context context = getApplicationContext();
   ConnectivityManager connectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
   if (connectivity == null) {
      showAlert(this.getString(R.string.alert),"getSystemService rend null");
   } else {
      NetworkInfo[] info = connectivity.getAllNetworkInfo();
      if (info != null) {
         for (int i = 0; i < info.length; i++) {
            if (info[i].getState() == NetworkInfo.State.CONNECTED) {
               return true;
            }
         }
      }
   }
   return false;
}

[...]

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