Managing State 1

Managing State.java

disposables.add(RxView.clicks(submitView)
 .doOnNext(ignored -> {
   submitView.setEnabled(false);
   progressView.setVisibility(VISIBLE);
 })
 .flatMap(ignored -> service.setName(nameView.getText().toString()))
 .observeOn(AndroidSchedulers.mainThread())
 .doOnNext(ignored -> progressView.setVisibility(GONE))
 .subscribe(s -> finish(), t -> {
   submitView.setEnabled(true);
   Toast.makeText(this, "Failed to set name: " + t.getMessage(), LENGTH_SHORT).show();
 }));