Select the Button widget.

选择一个按钮组件。

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The Button widget contains two attributes: text and action.

Button 小部件包含 2 个属性：text 和 action。

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You create a listener object and register it with a Button widget, for example.

举例，当你创建了一个listener对象，把它注册到一个按钮上。

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Today, Telenav also launched the Scout Drive Button, a widget for anyone to add onto their website to provide visitors the ability to instantly launch voice-guided, turn by turn, GPS navigation to their store, restaurant, salon, dentist office, etc.

ENGADGET: Telenav Scout for Apps comes to Android and Windows Phone, Scout Drive Button released for website-based nav

Website owners can personalize the Scout Drive Button by typing in their address into the widget, then copying and pasting the automatic code into their website.

ENGADGET: Telenav Scout for Apps comes to Android and Windows Phone, Scout Drive Button released for website-based nav

You can also do something similar in the music app: the press of a button will float a "now playing" widget (which can be switched to playlist view as well) above your other programs.

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