Android UI design specifications-5

Source: Internet
Author: User
Tags home screen
Document directory
  • New Features of jelly bean-android 4.1
  • New Features of ice cream sandwich-android 4.0
  • Touch
  • Long press
  • Sliding Screen
  • Drag
  • Double-click
  • Pinch
  • Pinch and close
Mode

Ensure that our applications are consistent, novel, fashionable, and advanced.

Notifications of new features of Android 4.1, jelly bean, and Android

The notification has been significantly enhanced in android4.1:

L The user can receive a notification immediately from the source

L more flexible notification size and Layout

L notifications can be sorted by priority and importance.

L The notification can be folded and expanded.

The basic notification layout has not changed. Therefore, you do not need to modify the appearance of the notifications of earlier versions designed by the application.

Application widgets that can be resized

Widgets are an important way to customize the home screen. They allow users to view the most important data and functions on the home screen of the application. Android4.1 introduces an improved application tool that can automatically Resize and load different content based on conditions. The following factors can be used to resize and load content:

L when users delete them from the home screen

L when users stretch their sizes

L changes in available space on the home screen

You can provide separate horizontal and vertical la s for widgets. When the screen direction changes, the system will adjust the widgets as appropriate. The type of the widget determines its interface details, which need to be paid attention to during design.

Accessibility (auxiliary functions)

One task of Android is to organize information around the world and benefit everyone. Android is intended for all users, including the disabled, visual impairment, visual impairment, and hearing impairment.

The following details should be taken into account in the design of auxiliary functions:

L more intuitive operation navigation

L use the recommended touch target size

L meaningful visual UI element tags

L handling of timeout operations

L use standard framework controls or enable custom talkback controls

You can provide separate horizontal and vertical la s for widgets. When the screen direction changes, the system will adjust the widgets as appropriate. The type of the widget determines its interface details, which need to be paid attention to during design.

New features of the new version of ice cream sandwich-android 4.0 navigation bar

The traditional hardware key is removed from the android 4.0 mobile phone and replaced by a virtual navigation bar that contains the "return", "Home Page", and "Recent" buttons. The Compatibility section describes how to process hardware keys and menu keys.

Action bar

The action bar is one of the most important structural elements of Android applications. It makes the navigation and interface operations of applications on different platforms consistent.

Multi-pane Layout

It is very important to use android to create an application, consider the ratio and display it in different screen sizes. The multi-pane layout can display different activity content separately and provide a rich combination view on a tablet or a smaller device.

Select

Long-pressing an object is a new data selection method. This displays the action bar associated with this object, and the action bar allows you to perform surface operations on the selected data.

Gesture

Gestures are used to manipulate screen objects to interact with applications. The core gestures supported by Android are listed below.

Touch

Triggers the default function of an object. The action is to press it down and lift it up.

Long press

The data selection portal allows you to select one or more entries in a view and then use the context action bar to operate the selected data. Do not use a long press to display the context menu. The action is to press, wait, lift up

Sliding Screen

Slide over the content of a screen, or navigate between views of the same level. The action is to press, move, and lift

Drag

Refresh the data in a view, or move the data to its contained body (such as folders and home pages). The actions are long-pressed, moved, and lifted.

Double-click

The second gesture of Text Selection. The action is to double-click quickly.

Pinch

To enlarge a content, the action is to press two fingers, move outward, and lift up.

Pinch and close

To narrow down a content, the action is to press two fingers down, move inside and lift up.

By Bruce Lee
Source: http://www.cnblogs.com/BruceLee521
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