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IT 372 -- Final Review Guide

Last revised June 1, 2025, at 11:00 pm

Study for Final

1. This Review Guide
2. The Midterm practice questions on the Exam Info Page
3. The Review Exercises at the beginning of each lecture.
4. The examples on the Examples Page
5. The D2L Quizzes, posted on the course website on the D2L Quizzes Page
6. Class Projects

D2L Multiple Choice Portion of Final

1. Answer 20 multiple choice questions.
2. 120 minute time limit, only one attempt for the final

Short Essay Portion of Final Exam

• Answer two out of three questions.
• About one-half to one single spaced page per question. Not more than two pages for a question.
• Target your explanations to someone who knows programming, but is not familiar with Android apps or Android Studio.
• Write in complete sentences and paragraphs, with an introduction and a conclusion for each question.

Definitions of Items

• History of Mobile Computing: Newton Message Pad,  Palm Pilot, BlackBerry, iPhone, Google Buys Android, T-mobile G1, Objective C, Swift.
• Project files: XML layout file, Java activity file, resource files, manifest
• Resource files: strings.xml, colors.xml   Know how to use the colors and strings in the resource files for an app.
• Layouts: Measurement unit for distance: dp  Measurement unit for font size: sp
  Special values for layout and widget width and height: match_parent  wrap_content
  
  • All Layouts   XML Attributes: id  layout_width  layout_height  layout_margin (layout_marginBottom  layout_marginLeft layout_marginRight  layout_marginTop)  padding (paddingBottom  paddingLeft  paddingRight  paddingTop)    Java Methods: getHeight  getWidth
  • LinearLayout   XML Attibutes: orientation 
  • ConstraintLayout:  XML Attributes: layout_constraintBottom_toBottomOf  layout_constraintBottom_toTopOf  layout_constraintLeft_toLeftOf  layout_constraintLeft_toRightOf  layout_constraintRight_toLeftOf  layout_constraintRight_toRightOf  layout_constraintTop_toBottomOf layout_constraintTop_toTopOf
• Widgets:
  
  • View XML Attributes:  id  background  layout_height  layout_width  layout_margin (layout_marginBottom  layout_marginLeft layout_marginRight  layout_marginTop)  padding  (paddingBottom  paddingLeft  paddingRight  paddingTop)  textSize
  • TextView  XML Attributes: text  Java Methods: getText  setText
  • Button XML Attributes: text onClick Java Methods: getText  setText
  • EditText  XML Attributes:  hint  text   Java Methods:  getText setText
  • Spinner  XML Attributes: entries  Java Methods:  setAdapter  getSelectedItem
  • CheckBox  XML Attributes: checked  text Java Methods: isChecked   setChecked
  • RadioButton  XML Attributes: checked  text Java Methods:   isChecked   setChecked
  • RadioGroup
  • SeekBar  XML Attributes: min max progress Java Methods: getProgress
  • ImageView  XML Attributes: src  Java Methods: setImageResource 
• Activity: context, bundles, intents, lifecycle events (CREATE, START, PAUSE, RESUME, RESTART, DESTROY).
• Other object used in apps: Toast
• Class for Reading from a File in raw folder: InputStream
• Classes for SQLite Databases: SQLiteDatabaseHelper, SQLiteDatabase, ContentValues, Cursor
• Objects for Drawing: Canvas, Paint
• Events: Click, LongClick, Touch, ItemClick.   Know the three ways of setting up an event handler for a layout or widget: (1) onClick attribute, (2) anonymous class, (3) anonymous method, (4) lambda methods.

Syntax for Android XML Layout and Resource Files

• Root node, validation header, start node, end node, node text, combination start/end node, comment node, entity

Java Constructs Related to Android Apps

• f suffix for float constant, if/else, switch, while, for, class, interface, ArrayList, try/catch blocks, Elvis operator (? :), datatype conversions (Integer.parseInt, Float.parseFloat, Double.parseDouble, String.valueOf, toString), private inner class, anonymous class.

Color Codes

• Know the hex color codes for these colors: aqua/cyan, black, blue, gray, green, lime, maroon, olive, red, navy, purple, silver, teal, white, yellow.
• Also know how to use color codes to set colors in an app.

Kotlin Language

• Be able to translate Kotlin statements into Java.
• Be familiar with these Kotlin classes:
  

  Array  Char  Double  Int  List  MutableList  String
  

• Be able to define a Kotlin class wih instance variables and methods.
• Define the class constructor by including parameters in the class header.
• Be able to use Kotlin to create a simple Android app. Use anonymous functions to implement event handlers.

Jetpack Compose

• Base class for MainActivity class: ComponentActivity
• @Composable annotation
• @Preview(showBackground = true) annotation
• MainActivity Function
• Functions to implement material components
  

  Button  Column  Image  Text
  

• Event listeners:
  

  onClick  onChange