主要内容(图标,链接,号召行动按钮):蓝色。
为了克服文盲障碍,Lewis决定用画面图标(而不是文字)来表示行动按钮,以便卑格米人能按下GPS按钮并确定重要的位置。
To overcome illiteracy barriers, Lewis decided to create pictorial ICONS for the action buttons — rather than words — so that the Pygmies could click and identify important sites on the GPS sets.
因此,清单4使用click处理函数来确定每个按钮采取什么行动,便于您以后依此处理数据。
Therefore, Listing 4 USES the click handler for each button to determine what action to take so that you can then process the data accordingly.
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