Homework - Android fundamentals 01.1: Android Studio and Hello World

Homework

Build and run an app :

• Create a new Android project from the Empty Template.
• Add logging statements for various log levels in onCreate() in the main activity.
• Create an emulator for a device, targeting any version of Android you like, and run the app.
• Use filtering in Logcat to find your log statements and adjust the levels to only display debug or error logging statements.

Answer these questions

Question 1

What is the name of the layout file for the main activity?

• MainActivity.java
• AndroidManifest.xml
• • activity_main.xml
• build.gradle

Question 2

What is the name of the string resource that specifies the application's name?

• app_name
• xmlns:app
• android:name
• • applicationId

Question 3

Which tool do you use to create a new emulator?

• Android Device Monitor
• • AVD Manager
• SDK Manager
• Theme Editor

Question 4

Assume that your app includes this logging statement:

Log.i("MainActivity", "MainActivity layout is complete");

You see the statement "MainActivity layout is complete" in the Logcat pane if the Log level menu is set to which of the following? (Hint: multiple answers are OK.)

• • Verbose
• Debug
• Info
• Warn
• Error
• Assert

Thank You.