Google from Android 4.0 (Ice Cream Sandwich) has taken care carefully its interface Holo to provide the best user experience but currently this interface has a problem, does that series side navigation bar already found in many applications use.
Currently Google and other developers have to design your own sliding side navigation bar, and for this reason in each application run in a different way. Some of these bars move to the bar action, and in addition, in the majority of applications he doesn’t visually clear that there is this slider. Some applications display the button icon “<” for it, but that button was designed to return to the top screen of the application and does not show a sidebar.
Old Android side navigation bars
Google has finally managed to design a intuitive side navigation bar and you are already implementing it in your applications, time is already in Google Earth and Google Shopper. This new bar changes the icon “<” by three lines to indicate to the user that there is this navigation bar. The navigation bar can be displayed by clicking on the new button or with a gesture by sliding your finger to right from the left edge of the screen.
But this is not all, the most important thing is that This new side navigation bar is accessible from anywhere in the application making the touch gesture, no need to have to return to the main view application to access that menu navigation as currently happens.
New in Android side navigation bar
Surely this side navigation bar It will be a new component of the SDK with 4.3 Android (Jelly Bean) so finally the Holo interface officially support this feature and will be much easier to developers implement this type of navigation. In addition, if it is looks that will be compatible with Android 4.0 or higher so that more devices can enjoy is always accessible and intuitive navigation bar from any view of application with a simple gesture.