Why is this jQuery click function not working?

You are supposed to add the javascript code in a $(document).ready(function() {}); block. i.e. As jQuery documentation states: “A page can’t be manipulated safely until the document is “ready.” jQuery detects this state of readiness for you. Code included inside $( document ).ready() will only run once the page Document Object Model (DOM) is ready for JavaScript code to execute”

Android – setOnClickListener vs OnClickListener vs View.OnClickListener

The logic is simple. setOnClickListener belongs to step 2. You create the button You create an instance of OnClickListener* like it’s done in that example and override the onClick-method. You assign that OnClickListener to that button using btn.setOnClickListener(myOnClickListener); in your fragments/activities onCreate-method. When the user clicks the button, the onClick function of the assigned OnClickListener is called. *If you import android.view.View; you use View.OnClickListener. If you import android.view.View.*; or import android.view.View.OnClickListener; you use OnClickListener as far as … Read more