The new version of the operating system from Google, Android 4.4 KitKat is official and will happen soon on many Android devices. However, it is already available on the Nexus 5 that came out last night, and that our complete file concerning is available from this page .
Translucent user interface
KitKat adopts Android 4.4 interface and a translucent white color code. Some effects of the game, but it's mostly user preferences and wallpaper that are highlighted.
In addition, a new feature was introduced WebView Chromium developers. For us, the users, this means that the web browsing experience for Google Chrome will be better on sites optimized for this technology. This new element provides HDML5 features already present in Chrome for Android 3.0 and JavaScript engine (V8), it will be included in all devices using Android 4.4 KitKat.
Nice bonus, Google now allows use of emoticons everywhere. Yes, these images that you winks are now available from within Gmail. This feature comes directly from the Android keyboard, so you may see appear before 4.4 KitKat spilling.
The "entry-level" devices will receive Android 4.4 KitKat
This operating system allows for entry-level work without any further optimization devices. In Android 4.4 KitKat effect requires only 512MB of RAM, so even older devices can enjoy.
Otherwise, using a new API, this system gives developers the ability to adapt to the memory configuration of each device and optimize it.
NFC payments for Android 4.4 with KitKat
A new feature called KitKat Android 4.4 Host Card Emulation (HCE) NFC allows devices to connect to a terminal NFC payment. This seems to be very simple compared to the complicated system that was in place before.
With SMU, you can use access cards, loyalty programs, etc. ... and pay it with any application using NFC technology has on your device. A new Reading Mode called Reader Mode is included in Android 4.4 KitKat and allows the use of applications to read SMU cards and perform transactions using older technologies.
Improved optimization for the battery sensor with batching
Surprise. It seems that Google is putting in place features within its system to adapt to the low use of resources. The "hardware sensor batching" feature optimizes the tasks energy intensive so as to have greater autonomy. This type of assay allows your CPU to remain in sleep mode until a new batch of data is delivered.
This mode is essential in case of low battery or when the use of long processes such as tracking your athletic performance for example. If you walk and the phone detects your steps, the system will not use hardly any energy. Sensor Batching requires collaboration with the creators of Google processors to integrate the functionality for each device. For the moment, Sensor batching only works on the Nexus 5 .
Speaking of sports and fitness applications, Google has integrated support for new components in Android KitKat. Detector and step counter example. Software integration of this function prevents developers to create application-specific algorithm.
Sensors to detect and count not work with the Nexus 5 and will be incorporated into future smartphones when Google begins its collaboration with the creators of chips.
Full immersion mode
While standard Android applications include screen buttons, and sometimes the notification bar, Google has a full immersion mode. In this mode all systems elements will be hidden. An impressive point of this mode is the ability to appear or disappear interface elements.
To access Android elements when using full-screen mode, users simply drag their finger from the top or bottom of the screen revealing the menu bar and buttons.
Film screen
KitKat Android 4.4 introduces a screen recording feature. This creates tutorials, demos to application (if you're a developer) or more generally to record what you do on the screen. This system feature also allows applications to prohibit recordings (Google Movies for example).
With SurfaceView feature, developers can leave a black screen when the recording feature works. Currently, this feature only works with the adb tool included in the Android SDK and the DDMS panel found in Android Studio, but it should soon be in the public versions of Android.
Subtitling System
Users wishing to read the text rather than hearing sounds will now be able to do in the whole system. This ability is in the Settings menu - Accessibility - Subtitles but will not be immediately available in all third-party applications. Google application developers to integrate this functionality at best, but that does not seem to be mandatory for the moment.
The subtitles are white text on a black background, unless the user chooses the opposite. The user can also choose the language and text size. It would also allow Google Translate to work with subtitles. But there is no provision in this regard yet.
Always listen with "OK Google"
For now only available on the Nexus 5, Google is moving forward and can communicate better with artificial intelligence what Google Now using the "Google Go" command. The voice command works on the home screen and Google Now with Android 4.4, so it works only in Google Now before.
Again, this voice command will be limited to 5 Nexus as other manufacturers do not have adopted. This feature is very similar to that present in the Moto X or Google Glass. There is also a similar feature in the LG G2, although it comes directly from the lock screen it.
Although one might think that the Google Nexus 5 has a special treatment to use this feature thanks to its quad-core processor Qualcomm Snapdragon Qualcomm Snapdragon 800 and Voice Command system, it is very probable that it is in is here a third solution. Optimization must be in hardware for such a feature to work (at least for now).
Cloud Print
As Chrome OS, Android can now work with cloud printing. The system can print wirelessly if your printer is equipped with wifi and connected to Google Cloud Print or HP eprint printer. It also works with some applications that are available on the Play Store.
Cloud Save
You will now be able to work with QuickOffice and other applications to save files in the cloud (Google Drive for example). This system provides access to recently used (in the cloud) for easy access from any computer files. A feature that is welcome, especially now that many devices offer free cloud storage which is sometimes a selling point for some manufacturers.
A better use of your mobile infrared
KitKat Android 4.4 offers the ability to run applications with IR blaster. This means that users of the HTC One or those of the Samsung Galaxy S4 can fully exploit the potential of their smartphone.
Developers will receive the API under the name "ConsumerIrManager" but they must first check that the device on which their application works withstands IR-blaster. The HTC One and Samsung Galaxy S4 are two devices that fully support the IR blaster.
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