iOS Platform design specifications

First, the UI Controls Overview:

1. The elements of the framework UI are divided into 4 categories:

A: Column: The combination of the Status column and the navigation bar;

B: Content view: Apply the displayed content information, including related interactive behavior, such as scrolling, inserting, deleting and other operations to sort;

C: Control elements: Product behavior or display of information;

D: Temporary view: Temporarily provide important information to the user, or provide additional features and options.

2, the size of the framework UI:

3. Icon Size:

　　Second, the layout of the UI overview:

1, can click the area of the object: size not less than 44*44px;

2, the important content and function in the position of high weight, will be important elements in the first half of the screen is better, for reading habits from left to right users, more close to the left-hand side of the screen easily cause concern;

3, the use of visual representation of the weight and balance, larger elements have a higher weight, for smaller elements, more attractive to look more important;

Iii. Overview of modal scenarios for the UI:

1. Modal: A mode used to carry a specific content, function or experience, with its own advantages and disadvantages. It can help users to complete certain tasks, or to obtain information without interference, but will temporarily force users to stop interacting with other parts of the application;

2, keep the modal task simple, short, easy to focus: Do not create the modal view as if it is embedded in the application of mini-applications;

3, always provide a clear and safe exit mode: To ensure that the user exits the modal view, can have a clear understanding of what will happen next;

4. Use the warning boxes to pass important information that is essential, and often provide executable functionality options.

　　Iv. UI Gesture Interaction Overview:

A: By tapping (tap): Pressing or selecting an object;

B: By dragging: Scrolling or moving objects (will move from one side of the screen to the other);

C: by sliding (flick): Fast scrolling or moving objects;

D: Through a finger swipe (swipe): Can show more content, such as: List of delete button, from the top of the interface to expand the notification center;

E: by double-clicking (double tap): The content can be magnified in the middle of the screen, mainly to zoom in and zoom out of the conversion;

F: Open with two fingers (pinch open) or closed (pinch close): Enlarges or shrinks the content;

G: by Long Press (Touch and hold): Display Magnifier on editable or selectable text to position the cursor;

H: The undo or redo operation can be performed by shaking (shake) the fuselage.

　V. Animation Overview of the UI:

1. Beautiful and sophisticated animations are spread throughout iOS, making the app experience more dynamic and appealing, with fine and appropriate animations:

A: Conveying Status

B: Enhanced user perception of direct operations

C: Visualize the results of the operation to the user

2, as far as possible with the iOS built-in animation mode of the application to be consistent: people have been accustomed to the built-in application of a variety of subtle animation effects, in fact, users often will be built-in application of the dynamic effect as a standard of experience, such as the smooth transition when switching views, smooth feedback when switching the screen, Or a scrolling animation that shows a variety of physical effects, and so on, is becoming a part of what people expect.

　Vi. font overview for the UI:

1, the font is the key to IOS7 design, most operations are click on the text or click the icon, the button will also have, but the proportion is very small;

2, Apple's default font is Helvetica Nenu, a slender simple text, but that is not your only choice;

3, Ios7 the font size slightly increased, mainly because of its use, and the hierarchical relationship between the text is very important, the use of color and different thickness, to maintain the text layout and UI elements clear and understandable.

4, Apple font specifications:

A: Navigation bar title: Medium 34px;

B: Button and Table head: Light 34px

C: Table Label: Regular 28px;

D:tab page icon tag: Regular 20px

iOS Platform design specifications