Apple Computer Network Router 2 User Manual download pdf (Page 214)

CHAPTER 7

Routing and Communications

7-8 Routing Outgoing Items

Action Button and Picker 7

Users can send items from any application that has an Action button, which

is a picture button that looks like the back of an envelope. To send the

currently selected data item, a user picks a routing action from the Action

picker that pops up when the user taps an Action button. The Action picker

lists all transports capable of sending the currently selected data item, and

it may list other actions provided by the application. Figure 7-4 shows a

sample Action button and picker.

Figure 7-4 An Action picker lists the transports available for sending

The routing action that a user chooses from an Action picker applies to the

data in the view that contains the Action button. If the view contains multiple

data items that can be individually selected, such as the items listed in an

overview, then the routing action picked by the user applies to the currently

selected items.

If there is nothing to route when a user taps an Action button (for example, if

the user taps the Action button in an overview without ﬁrst selecting any

items), the system displays a notiﬁcation alert containing the message

“Nothing is selected.” The warning message does not appear in an application

that deﬁnes its own Action-picker items unless the application removes those

items when there is nothing to act on. Your application can include actions

that can function without a target item; in this case your application should

not disable those actions, and the warning message will not appear.

Action picker

Action button

ransports

apable of

ending this item

ther actions

rovided by the

pplication

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Apple Computer Network Router 2 User Manual Page 214