Test Your Knowledge: First Android Program via XML Layout Using Eclipse and the Android plugin

Tags: android, hello world, google phone

Summary

Test your knowledge on the basics of developing an Android program.

Table of Contents

New Project

Figure 1. New Android project wizard from Eclipse

Creating the first Android application

Figure 2. First Android Application creation in the New Android Project dialog box

Project Name and Workspace

Package Name

Activity Name

Application Name

Android Application from the Package Explorer

Figure 3. Android application from Package Explorer

Discussion of Source

FirstAndroidApp.java

Listing 1. FistAndroidApp.java

R.java

Listing 2. R.java

main.xml

Listing 3. main.xml (contains the UI layout)

strings.xml

Listing 4. strings.xml

AndroidManifest.xml

Listing 5. AndroidManifest.xml

Running the First Android App

Figure 4. The First Android App icon shown in the Applications window

Figure 5. First Android App in the emulator

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First Android Program via XML Layout Using Eclipse and the Android plugin

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First Android Program via XML Layout Using Eclipse and the Android plugin

Review Answers for Questions in this Test

1. Which of the following languages is used for developing Android applications?

2. Android applications must be developed using which of the following IDEs?

3. Which of the following is a proper Java package name?

4. The activities you create in an Android application are derived from which class in the Android SDK?

5. Which import statement would you most likely see in an Android application?

6. Can user interface be created declaratively (via xml files) on Android system?

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