New Android SDK Tools and ADT Revision 17

Android with Screwdriver and Spanner InlaidThe Android Developers blog just announced an update for the Android SDK Tools and ADB. This new release, version 17, brings many improvements to the build process. Here are some of my favourite new features:

  • Added check for Android API calls that require a version of Android higher than the minimum supported version. This will save you from having to test your app on Android 1.6 for example, only to have it fail due to an API call that was introduced in Android 2.1
  • Added a feature that allows you to run some code only in debug mode. Builds now generate a class called BuildConfig containing a DEBUG constant that is automatically set according to your build type. You can check the (BuildConfig.DEBUG) constant in your code to run debug-only functions such as outputting debug logs.
  • Added feature to automatically setup JAR dependencies. Any .jar files in the /libs folder are added to the build configuration (similar to how the Ant build system works). Also, .jar files needed by library projects are also automatically added to projects that depend on those library projects.
  • Updated the resource chooser to show the resolved value for resources. For example, when selecting @string/hello the chooser displays a resolved value such as “Hello World”). The resource chooser also now allows you to edit the chosen value directly.

There are plenty more changes to be found in the SDK Release Notes and ADT Release Notes. The Android Emulator can now run x86 system images at native speed, thanks to contributions from Intel. Lint has also received a major upgrade, with 40 new rules checking for performance and code issues.

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AIDE – Develop Android Apps on Android

Android Java IDE (mobile Eclipse)

During the past month or so, I’ve been testing a number of different apps on my Asus Transformer Prime tablet. The landscape form factor, coupled with a built-in keyboard make the Transformer a very different beast to most other Android devices.

While I’ve found the device great for gaming, basic productivity and email applications, I still needed my desktop for one important task – developing Android apps. Eclipse doesn’t run on Android, and for a long time there was no suitable Java IDE which could compile Android apps natively on the ARM architecture.

Along comes AIDE.

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Improvements to the Android Developer Console

A few days ago (before the Android Market was renamed) Google announced a major update to the Android Developer Console stats page. Rather than the simple “active installs” chart which used to be shown, developers now have access to a wide range of charts showing total & active installs over time. Google has also added the ability to view daily install charts, and see which version of your app users have installed at the present time.

Announcement on the Android Developer Console

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Google Play – The New Android Market

Google Play - Android MarketToday Google announced (in several places) that the Android Market is being rebranded “Google Play

The new marketplace (sorry, “play store”) includes content from four main areas – Movies, Music, Apps & Games, and Books. Of course, not all of these are available outside of the US yet, so folks in Australia will only get access to Apps & Games and Books for now.

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