update view on button resize angular code example

Example 1: make page refresh on top in react js

onUpdate={window.scrollTo(0, 0)}

componentDidMount() {
  window.scrollTo(0, 0)
}

Example 2: xamarin forms open new page on button click

private void button1Click(object sender, EventArgs e)
{            
     App.Current.MainPage = new settings();
}