Surface Duo - TwoNote
This sample integrates various dual-screen app features into a note-taking app for the Surface Duo. Users can view and edit notes via the list-detail or extended canvas dual-screen app patterns. Each note may contain text and images, which can both be imported through drag/drop. In addition, users can add drawings and annotations to their notes with pen events.
There is an updated version that supports all foldable devices.
To learn how to load apps on the Surface Duo emulator, see the documentation, and follow the blog.
In addition to including various dual-screen enhancements, this app supports a range of operations related to notes, note categories, and note contents.
Notes can be created by clicking the floating action button in the list view. To rename a note, click on its current title and make the desired changes. To delete a note, users can choose
Delete from the overflow menu in the detail view of the note. To delete multiple notes at once, long-click on notes or choose
Select all from the overflow menu in the list view. To share a screenshot of an individual note, choose the
Share option in the note detail view.
Notes can also be sorted into different categories, which are accessible via the dropdown in the list view. To add or delete a category, choose the appropriate option from the overflow menu. Like with notes, to rename a category, click on its current title and make the desired changes. To switch categories, open the dropdown and select a different category.
Note Editing Modes
Text Mode - Drag and Drop
To add text to the note, click on the
Tap here to add note contents hint and start typing. Users can also import existing text files to the note via drag/drop. For more information on creating drop targets for various drag events, reference this drag and drop sample.
Image Mode - Drag and Drop
Images can be added to the note via drag and drop. Once imported, the images can be resized using zoom gestures on a particular image. Users can also move an image to a different position on the note by long clicking the image and dragging it. To delete an image, click the delete button and then click on any image that needs to be removed.
Ink Mode - Pen Events
This sample provides pen event support to allow for a smooth and pressure-sensitive inking experience. Users can use the buttons at the bottom of the screen to choose from a variety of colors and stroke thicknesses to write, draw, highlight, and erase within a note, as well as undo previous strokes and clear the entire canvas. To learn more about the capabilities of touch events and pens, visit this pen event blog post.
When spanned in dual-landscape mode, the app switches to the extended canvas app pattern. This gives the user more screen real estate when editing note contents, which is especially useful for annotating pictures and creating drawings (see screenshot above).
When spanned in dual-portrait mode, the app takes advantage of the list-detail app pattern to simultaneously display a list of existing notes and a more detailed view of a selected note.
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