I. Introduction of ipad
1. What is an ipad
A tablet from Apple's 2010 release
Locate between Apple's smartphone iphone and laptop products
Like the iphone, it's powered by an iOS OS
Market conditions for 2.iPad
As of October 23, 2013, the ipad has sold 170 million units
Up to 81% share in the tablet market
Second, about the iphone and ipad
Description: iphone is a mobile phone, ipad, ipad mini is a Tablet PC
The difference between iphone and ipad development
Screen size \ Resolution
Layout \ design of UI elements
Keyboard
Api
Support for screen orientation
With:
(1) screen size \ Resolution
In iOS development, there are only a few things to focus on:
Iphone
3.5 inch:320 x 480
4.0 inch:320 x 568
ipad, ipad Mini
9.7 inch, 7.9 inch:768 x 1024
(2) Layout of UI elements \ Design
Because the ipad screen is larger than the iphone, it can accommodate more UI elements, so the arrangement is different
such as Sina Weibo: (left image is the iphone, the right image of the ipad)
(3) keyboard
ipad's virtual keyboard has a button to exit the keyboard
The image on the left is the iphone keyboard and the ipad keyboard on the right
(4) ipad-specific API
The ipad has a number of unique classes, such as:
Uipopovercontroller (left)
Uisplitviewcontroller (right image)
(5) Differences in common APIs
Some APIs are available on both the iphone and ipad, but the display is different, such as Uiactionsheet (iphone on the left, ipad on the right)
(6) Screen orientation support
(7) Screen support
In general, the iphone app is a screen orientation, either vertical or horizontal (game)
Second, Apple's official recommendation: The ipad app is best to support both horizontal and vertical screens
Iii. details of development
1. Create a new ipad app
2. Device-Supported applications
iphone app can only be run on iphones
ipad can run iphone \ ipad Program
3. Development process
The process of iphone and ipad development is consistent
All the knowledge learned in the iphone development is basically available on ipad
iOS Development UI Chapter-ipad and iphone development comparison