protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    try {
        mClient = new MobileServiceClient("https://myservice.azure-mobile.net/",
                "slkerjasfi234eSomePrivateKey", this);

        Item item = new Item();
        item.setText("Awesome item");
        item.setComplete(false);
        mClient.getTable(Item.class).insert(item,
                new TableOperationCallback<Item>() {
                    public void onCompleted(Item entity,
                            Exception exception,
                            ServiceFilterResponse response) {
                        if (exception == null) {
                            ShowMessage("Success");
                        } else {
                            ShowMessage("Failed");
                        }
                    }
                });

    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}