Program Beginner's Class Notes

This Notes is according to the udacity free course : Android Development for Beginners Lesson 2B :    Plan Quantity Picker Layout Nested ViewGroups (part1, 2) Choosing the Right XML Layout Build the Quantity Picker Layout In this Part, We finished the Lesson 2A and go on to the 2B We want to rearrange the layouts to a better Views.

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 :  Update Quantity Variable, Modify the increment() Method, Modify the decrement() Method In the last class, we found when we press the button "+" more and more, the coffee quantity just stopped at "4". And we have to figure out how to fix this problem step-by-step  in this class.