App Inventor/Use Interface

Источники

http://ai2.appinventor.mit.edu/reference/components/userinterface.html

http://www.appinventor.org/apps2/IHaveADream/IHaveADream.pdf

App Inventor + App Inventor/Use Interface - перечень элементов интерфейса на русском - кнопка, флажок, выбор даты, изображение, надпись, Выбор из списка, Уведомитель, Пароль, Бегунок, Индикатор ожидания, Switch, выбор времени, Web-просмотрщик,

Кнопка

Компонент, с которыми пользователь совершает действия.

Свойства кнопок

BackgroundColor

Color for button background.

Enabled

If set, user can tap button to cause action.

FontBold

If set, button text is displayed in bold.

FontItalic

If set, button text is displayed in italics.

FontSize

Point size for button text.

FontTypeface

Font family for button text.

Height

Button height (y-size).

Width

Button width (x-size).

Image

Image to display on button.

Text

Text to display on button.

TextAlignment

Left, center, or right.

TextColor

Color for button text.

События для кнопок

Мы создали кнопку и можем добавлять к ней действия в ответ на действия пользователя Click() User tapped and released the button. GotFocus() Button became the focused component. LostFocus() Button stopped being the focused component.

CheckBox - флажок

Check box components can detect user taps and can change their boolean state in response.

A check box component raises an event when the user taps it. There are many properties affecting its appearance that can be set in the Designer or Blocks Editor.

Properties

BackgroundColor

Color for check box background.

Checked

True if the box is checked, false otherwise.

Enabled

If set, user can tap check box to cause action.

Height

Check box height (y-size).

Width

Check box width (x-size).

Text

Text to display on check box.

TextColor

Color for check box text.

Visible

If set, check box is visible.

Events

Click()

User tapped and released check box.

GotFocus()

Check box became the focused component.

LostFocus()

Check box stopped being the focused component.

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App Inventor