Few features in IOS 8 for developers

1. iOS 8
iOS 8 sdk having more than 4000 new APIs, i have listed
below few APIs that we could oftenly interact with.
These APIs let you create innovative apps and amazing user
interface, iOS 8 transparency user interface makes user keeps
engaging with apps.
SpriteKit, SceneKit and Metal apis are really cakewalk for
creating addictive games in iOS.
PhotoKit
• Custom Image Picker
• Full-Featured photo library browser and editor
• ALAssetsLibrary will provide access photos and video
assets,albums and moments
• Add, remove, modify assets and albums
• Edit video content and metadata
HomeKit
• HomeKit is a framework in iOS 8 for communicating with and
controlling connected accessories in a user's home.
• You can enable users to discover HomeKit accessories in their
home and configure them, or you can create actions to control
those devices.
• Users can group actions together and trigger them using Siri.
• Access device state
• Notifies of changes

2. • Recognized by Siri
• Services
1. Garage door openers
2. Lights
3. Door locks
4. Thermostats
5. IP Camera controls
6. Switches
7. Custom
• Characteristics
1. Power state
2. Lock state
3. Target state
4. Brightness
5. Model number
6. Current temperature
7. Custom
HealthKit
• HealthKit apps provides health and fitness services to share their
data to third party health app.
• Users health information stored into centralized and secure
location.
Core Location
• Core Location new functionality will provide automatic check-in or
journal user's location.
• User can change preferences in location services settings
• Continuous Updates having following types of preferences

3. 1. Location
2. Background Location
3. Ranging
• Apps explicitly request authorization, Dialog will only be presented
once text is customizable by developers.
iCloudKit
• CloudKit provides online storage for iOS and X OS devices
• Its easily store data into Cloud storage through Core Data
• CloudKit having containers for each app separately
• Containers having two types of database private and public
database
• Database updation has been done by segment base so there is no
data loss.
Predictive Keyboard
• Developers are able to create new keyboards you can install and
use systemwide. Once they are available, you can choose your
favorite input method or layout.
TableView
• self sizing UITableViewCell.
• +[UIFont preferredFontForTextStyle:] we use this class method
for self sizing UITableViewCell.
• In settings font size has been increased same way in our tableview
content label font also increased and tableview rowHeight also
adjusted accordingly.

4. • In ios 8 we should not use rowHeight, we supposed to use
estimatedRowHeight.
Ref Url : http://www.apple.com/in/ios/developer/