By Mike Wolfson
Android improvement should be demanding, yet in the course of the potent use of Android Developer instruments (ADT), you can also make the method more uncomplicated and enhance the standard of your code. This concise advisor demonstrates tips to construct apps with ADT for a tool relations that includes numerous monitor sizes, diverse features, and a various variety of resources.
With examples in home windows, Linux, and Mac OS X, you’ll tips on how to arrange an Android improvement atmosphere and use ADT with the Eclipse IDE. additionally, contributor Donn Felker introduces Android Studio, a Google IDE that would finally substitute Eclipse.
• the right way to use Eclipse and ADT jointly to boost Android code
• Create emulators of varied sizes and configurations to check your code
• grasp Eclipse instruments, or discover the hot Android Studio
• Use Logcat, Lint, and different ADT instruments to check and debug your code
• Simulate real-world occasions, together with place, sensors, and telephony
• Create dynamic and effective UIs, utilizing Graphical structure instruments
• computer screen and optimize you software functionality utilizing DDMS, HierarchyViewer, and the Android video display device
• Use Wizards and shortcuts to generate code and picture resources
• collect and package deal Android code with Ant and Gradle
Read Online or Download Android Developer Tools Essentials: Android Studio to Zipalign PDF
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Additional resources for Android Developer Tools Essentials: Android Studio to Zipalign
XDA Devs ADB Guide The XDA Devs website has a very complete explanation of how to get started using the advanced features of ADB, and is targeted towards people wanting to root their devices. Embedded Android Book This book by Karim Yaghmour contains in-depth explanations relating to the in‐ ternals of the ADB tool and using it to control embedded environments. 24 | Chapter 2: Essential Tools CHAPTER 3 Configuring Devices and Emulators When developing mobile applications, it is necessary to test your code on many different devices.
You will need the serial number to connect directly. The format of the serial number includes information about the device itself (namely, the type of device and the port on which it is listening). State The connection state of the device. This will be offline if the device is connected but not responding. It will be device if is available and connected. Otherwise, the re‐ sponse will be no devices, which indicates there are no active devices that ADB can communicate with currently. Directing a command to a specific device Now that you know what devices are on your system, you can direct a command to a specific instance by issuing the following command: adb -s serialNumber command The example below shows how you would target a command to a particular device, when more than one is connected.
To see a complete list of options, type: emulator -help Using the Emulator | 41 The command to start an emulator has the following syntax: emulator -avd avd_name [option [value] ]... For example, you could start an emulator with graphics acceleration turned on and boot animation disabled (two good options you can use to improve performance). This would look like: emulator -avd Nexus7 -gpu on -no-boot-anim Using snapshots to improve performance The snapshot is a view of your emulator including all data, the current UI being dis‐ played, or any other sensor or data currently being used.