Making an App Interactive: Part 1
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01. Introduction
02. Create a New Project
03. Plan How to Build the Layout
04. Build Layout
05. Do Something When the Button is Clicked
06. Modifying First Lines of Java Code
07. Solving Math Problems
08. Add TextViews for Price
09. The Need for Variables
10. Add Your First Variable
11. Sometimes things don’t go as expected
12. Debugging a Crash
13. Chatting with Google's Alice Yang, Part 1
14. Hook Up Two Buttons
15. Debug Mode in Android Studio
16. Update Data
17. Update a Variable in the App
18. Update Quantity Variable
19. Modify the increment() Method
20. Modify the decrement() Method
21. Make the Quantity Picker Work
22. Fix the Order Button
23. Reflection
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18. Update Quantity Variable
Update Quantity Variable
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