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移动终端手势设计研究
钟磊 腾讯设计中心 高级交互设计师
手势
手势是指人类用语言中枢建立起来的一套用
手掌和手指位置、形状的特定语言系统。

手持设备中的手势是指,将一系列多点触摸
事件综合成为一个单独的事件。
Gestures are the synthesis of multiple
touch events into a single event.
手势操作的优势
1. 直觉化——好的手势设计源于生活经验,易于理解,学习成本低。
2. 快捷高效——减少操作步骤,加快完成任务。
手势在平台上的异同
手势在平台上的异同
手势在平台上的异同
各平台上手势现状
                  通用手势能被广泛应用是源于对心理模型的
                  匹配,以及大众对于先入为主的接受度。

                  基本通用的或其他的手势可发展, 需要遵循
                  设计原则,需要注意的是,手势并不是孤立
                  的,而是在对象上触发的。

                  较复杂手势多应用于大屏幕、某些特殊场景
                  下(如iPad的三手指拖动 及放大)。大部
                  分尚停留于概念和探索阶段。
通用   基本通用   不通用
? Problems
  手势操作引发的问题
1 操作的不可见性

        可否操作?怎样操作?结果?
        iPhone: 在邮件、备忘等条目上由左向右左滑动可删
        除该条目,但在其他应用的一些条目上则无该操作,
        用户无预期。
2 缺少统一规范和设计准则


          各平台有自身的手势规范,
          且平台间存在冲突。
3 缺乏反馈

         不知道是否在进行手势,不知道是否操作
         已到位;不知道是否操作完成。
4 缺乏可靠性

          误操作
          操作精度
          和预期结果不一致
手势的分类
按形式分类
简单手势、复杂手势、核心手势、通用手势...
按操作分类
1. 基于导航的手势 (Navigation Actions)
2. 基于对象的手势 (Object-Related Actions)
3. 绘制类手势 (Drawing Actions)
关注操作手势而非手势的形式本身
手势设计应遵循的一些原则
1 提供真正的便利,而非多一种操作方式

        手势的目的:
        简化操作,方便快速处理任务。
        给我一把电锯,而非另一把刀。
1 提供真正的便利,而非多一种操作方式
1 提供真正的便利,而非多一种操作方式
2 提供有效反馈


  有些手势操作过程缺乏足够反馈,造成:
  是否在进行手势?操作是否已到位?操作是否已完成?
2 提供有效反馈
2 提供有效反馈

           Android的屏幕滑动:
           没有足够反馈,不知道是否滑动到位,经
           常出现失败的情况。
3 不增加认知负担和选择成本



   为用户提供一个较好的方案即可,尽量避免提供一些类
   似的操作让用户去选择。因为有多个选择时,会带来认
   知负担和判断成本,即使选择的过程很短暂。
3 不增加认知负担和选择成本

 Palm界面中是否要放返回按键?
                    寻找软件的返回按钮:20%
                    使用硬件的返回手势:79%
4 遵循习惯和心理模型

          Donald Norman / Jakob Nielsen
          “When users think they did one thing but ac-
          tually did something else, they lose the sense
          of controlling the system because they don’t
          understand the connection between actions
          and results.”
CDC的设计规范平台建设
设计范式库
设计规范
设计规范
E
     N
     D
       钟磊
www.kevinzhong.com
uxkevin@gmail.com

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