To Lecture Notes
IT 372 -- May 20, 2024
Review Questions
- Write an Android app that draws vertical lines in
a MyView object placed in a linear layout. Use radio buttons to specify the
color: red, blue, and white.
Answer: activity_main.xml
MainActivity.java
VertLine.java
MyView.java
- Write an Android app that displays a circle in
a MyView object placed in a linear layout. Use a seekbar to change the
radius of the circle from 30 to 200 pixels and back.
Answer: activity_main.xml
MainActivity.java
MyView.java
- In what ways is Kotlin similar to and different from Java?
- After looking at the examples in the Introduction to Kotlin document,
implement the Magic8Ball Example using Kotlin for the Prediction and
MainActivity classes.