Chapter 6 - Views Part 1
- 2. View View This class represents the basic building block for user interface components “A Big Mom” Lab: Change Background
- 3. TextView TextView Displays text to the user and op;onally allows them to edit it. A TextView is a complete text editor, however the basic class is configured to not allow edi;ng Lab: Change text’s color & text’s style Lab: Html.fromHtml
- 5. Rule 9: Always set textSize for TextView
- 6. EditText EditText EditText is a thin veneer over TextView that configures itself to be editable. Lab: Input Type
- 7. Bu8on BuHon Represents a push-buHon widget. Push- buHons can be pressed, or clicked, by the user to perform an ac;on. Lab: Handle Click
- 8. TextView & EditText & Bu8on Mash up !
- 9. CheckBox CheckBox A checkbox is a specific type of two- states buHon that can be either checked or unchecked
- 10. RadioBu8on & RadioGroup RadioBuHon A radio buHon is a two-states buHon that can be either checked or unchecked. When the radio buHon is unchecked, the user can press or click it to check it. However, contrary to a CheckBox, a radio buHon cannot be unchecked by the user once checked. Radio buHons are normally used together in a RadioGroup.
- 11. Lab: Simple Calculator Mash up some more !
- 12. ProgressBar ProgressBar Visual indicator of progress in some opera;on. Displays a bar to the user represen;ng how far the opera;on has progressed; the applica;on can change the amount of progress (modifying the length of the bar) as it moves forward.
- 13. Switch Switch A Switch is a two-state toggle switch widget that can select between two op;ons. The user may drag the "thumb" back and forth to choose the selected op;on, or simply tap to toggle as if it were a checkbox.
- 14. ToggleBu8on ToggleBuHon Displays checked/unchecked states as a buHon with a "light" indicator and by default accompanied with the text "ON" or "OFF". Rarely used