Cookbook
Concrete problems and their solutions, one chapter each, grouped by what an app is made of. The Cheat Sheet is the checklist to keep open while working; the groups below are where each rule on it is explained in full.
| Group | What it covers | Start with |
|---|---|---|
| View | Building the view in ABAP, nested views, XML templating | Definition |
| Model | Binding, expression binding and formatters, tables, trees, the device model, the size limit | Binding |
| Event, Navigation | The life cycle, backend and frontend events, navigation inside and between apps, the hash and the app state, exceptions | Life Cycle |
| Popup, Popover | Dialogs and popovers as fragments of their own | Popup |
| Translation, Messages | Messages, logging, translation with i18n | Message |
| Browser Interaction | The title, focus, scrolling, timers, the clipboard, URL handling, the soft keyboard, keyboard shortcuts | Title |
| Device Capabilities | What the frontend reports about itself, camera, geolocation, barcode scanning, audio and video, upload and download, PDF, spreadsheets | Info |
| State, Connectivity | Locks, statefulness, WebSocket, OData, smart controls | Lock |
| EML, CDS, SQL | RAP, EML, draft handling, CDS, ABAP SQL | RAP |
| Patterns, Helpers | Snippets, value help, demo output, e-mail, fuzzy search | Snippets |
| Troubleshooting | The failures that come up most, and what each one means | Common Failures |
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