private void showError() { ViewDirector.of(this).using(R.id.animator).show(R.id.error); }
private void showChart() { ViewDirector.of(this).using(R.id.animator).show(R.id.content); }
private void showMessage() { ViewDirector.of(this).using(R.id.animator).show(R.id.message); }
private void showProgress() { ViewDirector.of(this).using(R.id.animator).show(R.id.progress); }