CoolapkSDK.createInstance(getApplication())
                .login(this, "username", "password", new CoolapkSDK.IUiListener() {

                    @Override
                    public void onComplete(User response) {
                        Toast.makeText(Activity.this, "Login success! uid->" + response.uid + ",fans num->" + response.fans + ",feeds num->" + response.feeds + ",bio->" + response.bio, Toast.LENGTH_LONG).show();
                    }

                    @Override
                    public void onError(Exception e) {
                        Toast.makeText(Activity.this, "Uuuh,Login failed!", Toast.LENGTH_SHORT).show();
                        e.printStackTrace();
                    }
                });