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Assignment 1: Final Project

Due Week 10 and worth 200 points

In this project, you will apply the techniques that you learned from Labs 1 to 5 in order to build an app that calculates a home mortgage interest. For this assignment, you will design and compile a mortgage application using the Android SDK.

Assignment submission: Submit a Word document that complies with the requirements in steps 1 – 7 below. Please note that all screen shots need to be signed. You will find the signature requirements in the Assignments Information section in the Student Center.

Example screens of the app:

App Requirements:

Purpose

The Home Mortgage Interest App computes the total interest paid for the life of a home mortgage loan.

Application title

John Doe’s Home Interest App

Note: replace John Doe’s name with your own name.

Algorithms

1. The opening screen displays an image (mortgage.png) and the title Mortgage Interest.

2. The user enters the amount of their monthly mortgage payment, number of years (10, 20, or 30) which must be converted to months, and the initial principal of the loan. Save these values using the SharedPreferences object.

3. In the second Activity, retrieve the three (3) values and compute the total interest paid over the life of the loan with this formula:

Total Interest = (Monthly Payment Number of Months) –

Initial Principal

4. The second screen displays the result of interest paid with an appropriate image (ten.png, twenty.png, or thirty.png) for a 10, 20, or 30 year loan.

Conditions

1. The four (4) images are provided with your student files. Files are provided in Blackboard.

2. The result should appear in currency format.

Ten.png

Twenty.png

Thirty.png

Mortage.png

Submit a paper in which you:

  1. Design and compile a mortgage application using the Android SDK.
  2. Provide a signed screen shot of the first screen.
  3. Provide a signed screen shot of the second screen.
  4. Provide a signed screen shot of the calculation for the interest of a 10-year mortgage.
  5. Provide a signed screen shot of the calculation for the interest of a 20-year mortgage.
  6. Provide a signed screen shot of the calculation for the interest of a 30-year mortgage.
  7. Application must meet all specifications and execute

Your assignment must follow these requirements:

  • Design and compile a mortgage application using the Android SDK.
  • The application must compile without errors and the instructor should be able to run your application.
  • Package and submit your application for grading.

The specific course learning outcomes associated with this assignment are:

  • Demonstrate the ability to design, compile, implement, test, and debug simple mobile programs.
  • Design, implement and deploy mobile applications using an appropriate software development environment.
 
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