android 4.3 jellybean......whats new.....google nexus 4

1. -Prepared by
Prince
Piyush Singh
Kartik Bhasin

2. RESTRICTED PROFILES
• Addition of Multi
user profiles.
Enhanced
Experience.
• Users can now
restrict app
usage and
content
consumption.
Parental control
• Restricted
feature
available on
Android tablets.

3. BLUETOOTH SMART READY
• Devices running Android 4.3 will now support
low-energy Bluetooth Smart accessories like
heart rate monitors, pedometers, thermometers
and many others.
• Users can now sync the low energy devices
without these affecting the battery usage of
the device, as per Google.
• This feature was missing on Google's mobile
operating system, till now.
• Make way for Android friendly wearable tech.

4. DIAL PAD AUTOCOMPLETE
• Android 4.3 now adds the
autocomplete feature in the
dial-pad suggesting contact
names or phone numbers
when users start keying-in
something.
• Devices running stock
Android were missing it.

5. NOTIFICATIONS
• Now you can control and
interact with the status bar
notifications.
• This would allow users to control
how notifications are pushed to
the primary and connected
devices(smart watches, fitness
bands).
• Users will also be able to see all
the notifications at one place.

6. OPEN GL ES 3.0
• Android devices now render
high quality graphics in games
and other apps. Google claims
that Android 4.3 supports the
new version of the industry
standard for high performance
graphics.
• Now more detailed
textures, lens flare, and
reflections are prominent.
• This was missing in Android 4.2.

7. SECURITY UPGRADES
• One of the most prominent upgrades in Android
4.3 is the introduction of SELinux.
• Mechanism for supporting access control
security policies.
• A set of kernel modifications and user-space
tools that can be added to various Linux
distributions.
• It has been integrated into the mainline Linux
kernel since version 2.6, on 8 August 2003.
• For now, SELinux is configured in Permissive
mode only, meaning that policies are not
enforced, and violations are just being
logged.

8. DAC V/S MAC
Discretionary Access Control (DAC) :
• Each user decides which of his own files is accessed (read, written, or executed) by
other users
• In Android systems, each app is assigned a different user ID, thereby isolating and
protecting the application data from all other applications
Mandatory Access Control (MAC) :
• It is based on security labels.
• Subjects are given a security clearance and data objects are given a security
classification.
• Hence, SELinux allows varying levels of trust to each app and dictates what kind of
data an app can access. Moreover, the superuser also needs to abide by the
security policies.

9. KEYCHAINS AND KEYSTORE
PROVIDERS
• Earlier, attackers who could root a device
were able to retrieve cryptographic
credentials from any device and use them
to gain unauthorized access to highly
sensitive networks.
• Android 4.3 adds new system calls that
allows developers to bind encryption keys
used to access sensitive information and
resources to a certain piece of hardware.
• The private keys can not be exported to
another device, even if the device is
compromised (stolen/rooted).

10. SIMPLIFIED SETUP WIZARD
• Now a user can change the
information that was keyed-
in during the first boot of the
device.
• Faster user switching -
switching users from the lock
screen is now faster.
• Disabled apps tab has now
been introduced.

11. BLUETOOTH AVRCP
• Google devices running
Android 4.3 Jelly Bean can
sync with Bluetooth enabled
car stereos and offer additional
functionality.
• The Bluetooth AVRCP 1.3
version allows stereos to display
metadata such as song names
when music is being streamed
from an Android 4.3 device.

12. • Google has now increased
the location accuracy of
Android devices by allowing
location scanning via Wi-Fi.
• It now allows apps to get
location data through Wi-Fi
even when Wi-Fi is set to off
and not being used for data
access.
LOCATION ACCURACY FEATURES
VIA WI-FI SCAN ONLY MODE

13. KEYBOARD AND INPUT
• Android 4.3 comes with an
upgraded algorithm for tap-typing
recognition that makes text input
easier while chatting via messages
or even while composing emails.
• It also brings a new emoji
keyboard.
• The update also adds lower
latency input for gamepad buttons
and joysticks.
• Android is now translated in
Africans, Amharic (አአአአ), Hindi
( Swahili (Kiswahili), and Zulu
(IsiZulu). Hebrew, Arabic, and other
RTL (right-to-left) -

14. HINDI SUPPORT LANDS ON
ANDROID 4.3
• Google has introduced
native local language
support to its operating
system for
Afrikaans, Amharic, Hindi, Sw
ahili and Zulu. Hindi has
finally reached the stock
Android operating platform.
• Google transliteration

15. BONUS – NEW CAMERA UI
• Android 4.3 also offers a new
updated Camera app that
features a new arch based menu
which makes it easier to control
and switch camera settings.
• Enhanced photo daydream -
navigate through interesting
albums.
• Tiny Planet

16. THE FUTURE OF ANDROID
• Future for Mobile Marketing.
• Usage of the platform will
increase, as well opportunities for
Google to advertise.
• An estimated 4.6 billion mobile
phone users worldwide with an
expected increase to 5 billion
within this year (U.N.
Telecommunication agency).
• Full enforcement of SE Linux is yet to
be made for upcoming versions of
Android.