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Introduction to Android Applications

Introductory project to develop applications for Android.

The aim of this code lab will be to learn the basics about developing Android applications.

We will develop a calculator that works with reverse polish notation (RPN) as shown on the following image:

alt tag

Evaluation criteria

Basic Requirements

  • All basic functionalities of the calculator should work as expected (sum, subtract , multiply and divide).
  • Use the two ways of connection the the onClick event listener with the buttons (By using the XML and setting the onclicklistener directly to the button object).
  • Proper usage of packages to support the MVC architecture.
  • Lines of code used to developer the project (The less the better).
  • Proper usage of english language for naming methods and variables.
  • Code readability.
  • Proper usage of layouts

Challenges

  • Add a new row with 2 buttons with the following functionalities AC +/-
  • Add a new row with 3 buttons with the following functionalities SIN COS TAN
  • Add a new row with 3 buttons with the additional functionalities (free choice)

Grading:

  • Fully working App ---- grade >= 3,5
  • Fully working App + 1 challenge working ----- grade >= 4
  • Fully working App + 2 challenges working ----- grade >= 4