Android L - The Next Android Version

Android L is the next android version to be released after Kitkat. Still "L" is a code-name. The "L" can be changed into another food like 'Ice Cream Sandwich', 'Jellybean' or 'KitKat'. It will have many new features and user friendly interface than previous versions. There are lots of things to tell about it and lets see it.

Preview

Google has released developer preview of Android L for Nexus Mobile Series. If you have an Nexus you can taste it (at your own risk).
If you want to get it go HERE

Design

Android L has a new user interface. Google named it as "Material Design". It is Simple, User Friendly, Clear, Wonderful and New. The real meaning of "Material Design" is both 2D and 3D (flat and 3D).

New Navigation Bar

Android L has a New and Nice Soft-button Style on navigation bar.

Old Navigation Bar

New Navigation Bar

Performance

#New Android Run-time (ART)

The 4.4 release introduced a new, experimental Android run-time, ART. Under 4.4, ART was optional, and the default run-time remained Dalvik. With the L Developer Preview, ART is now the default run-time.

• Ahead-of-Time (AOT) compilation

• Improved garbage collection (GC)

• Improved debugging support

Most Android apps should just work without change under ART. However, some techniques that work on Dalvik do not work on ART. Pay particular attention if:

• Your app uses Java Native Interface (JNI) to run C/C++ code.

• You use development tools that generate non-standard code (such as some obfuscators).

• You use techniques that are incompatible with compacting garbage collection.

#lockscreen Notifications

• PRIVATE. - Shows basic information, hides the notification’s full content.

• PUBLIC. - Shows the notification’s full content.

• SECRET. - Shows nothing, excluding even the notification’s icon.

Some of the major new features are:Lockscreens in the L Developer Preview have the ability to present notifications. Users can choose via Settings whether to allow sensitive notification content to be shown over a secure lock-screen.
Your app can control the level of detail visible when its notifications are displayed over the secure lock-screen.

For More Info Go HERE