Nov 03, 2011 In this tutorial, we show you how to create a simple “hello world” Android project in Eclipse IDE + ADT plugin, and run it with Android Virtual Device (AVD).The Eclipse ADT plugin provided easy Android project creation and management, components drag and drop, auto-complete and many useful features to speed up your Android development cycles. An Android Virtual Device (AVD) is a device configuration that runs on the Android Emulator. It provides virtual device-specific Android Environment in which we can install & test our Android Application. AVD Manager is a part of SDK Manager to create and manage the virtual devices created. So before we start writing our code, let us create an Android virtual device. Launch Android AVD Manager using Eclipse menu options Window AVD Manager which will launch Android AVD Manager. Use New button to create a new Android Virtual Device and enter the following information, before clicking Create AVD button.
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An Android Virtual Device (AVD) is a device configuration that is run with the Android emulator. Xbmc 13.2 download for android tv box apps. It works with the emulator to provide a virtual device-specific environment in which to install and run Android apps. Lesson 4 shows you how to create an AVD by introducing you to the Android SDK’s AVD Manager tool.
Using AVD Manager to Create an AVD
The Android SDK provides the AVD Manager tool for creating and otherwise managing AVDs. You can run this tool directly or run SDK Manager and select Manage AVDs from the Tools menu. In either case, you are greeted with the Android Virtual Device Manager window shown in Figure 8.
Figure 8: Android Virtual Device Manager lists existing AVD entries in terms of their names, target names, and other criteria.
Android Virtual Device Manager lets you create, update, delete, repair, and start AVDs. Click the New button to create a new AVD. This application responds by presenting the Create new Android Virtual Device (AVD) dialog box shown in Figure 9.
Figure 9: The 'Create new Android Virtual Device (AVD)' interface lets you enter a name for and criteria that describe an AVD.
Figure 9 shows you that an AVD has a name, targets a specific Android platform, and has other features. Enter MyAVD as the name, select Android 2.3.3 – API Level 10 as the target platform, and choose a size of 100 (megabytes) for the Secure Digital (SD) card. Apps store their data in hierarchical structures on this card.
Note: Check the Enabled checkbox in the Snapshot section if you want to persist the emulator’s state between emulator executions. Doing so lets you quickly start the emulator after the first startup.
Figure 9 also reveals that you can choose the virtual device’s skin (appearance). When you select Android 2.3.3 – API Level 10 as the target platform, the skin defaults to the built-in WVGA800 value. Furthermore, it presents the following hardware properties:
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- Abstracted LCD Density, set to 240 dots per inch
- Max VM application heap size, set to 24 megabytes
- Device RAM size, set to 256 megabytes
Tip: If you plan to run the virtual device on a platform whose screen size is set to 1024 x 768, you’ll find that you cannot see the virtual device’s entire screen without scrolling. In this case, you should set the skin to a lower value, such as HVGA (which also changes the Abstracted LCD Density to 160).
Click the Create AVD button after making these changes. You should see the confirmation dialog box that appears in Figure 10.
Figure 10: Android Virtual Devices Manager confirms your choices.
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Click the OK button to dismiss this dialog box and return to Android Virtual Device Manager’s main window. You should see the new AVD listed as shown in Figure 11.
Figure 11: Android Virtual Device Manager presents the newly created AVD.
If you ever want to change this AVD’s characteristics, highlight its entry in the list and click the Edit button. You can also obtain a description of the AVD by clicking Details, and you can delete it by clicking Delete.
Review
The following review questions help you test your mastery of Lesson 4’s material:
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- What tool do you use to create an AVD?
- What is the benefit of checking the Enabled checkbox in the Snapshot section of
the Create new Android Virtual Device (AVD) dialog box?