Program Beginner's Class Notes

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2A : Fix the Order Button Finally, you can add new coffee by just click the "+" button, but the order button is still out of work.

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2A : Make the Quantity Picker Work In Last Class we still cannot fix the problem to increase the coffee quantity automatic. After the practice, now we can face the problem.

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2A : Hook Up Two Buttons Today's class is to modify our JustJava app. Add two buttons on the app. Check out the layout style.  Modify the xml for work. Check out the initial value. Quantity shows "2" Price shows "10"

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2A :  Modifying First Lines of Java Code After paste up the Code on you MainActivity.java and run the button. Now, I introduce a simple concept for you.

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2A :  Do Something When Button is Clicked We finish the layouts arrangement and we start to enter the most important step which is let your app can interact with users.

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2A : Introduction to Lesson 2 After we went through the first part of lesson 1, knows the basis of the android layouts and XML code. In the lesson 2, we keep adding some new element into our app. We will divide the course into two parts which are all about interacting with user in this lesson. First part ---- Lesson 2A build up some buttons in XML code. Second part ---- Lesson 2B how to let the button do some action with our users. >>  下一篇