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callbacks

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Erstelle einen roten Kreis mit einem Radius von 50 Pixel. Positioniere den Kreis genau im Zentrum der Zeichenfläche und zeichne den Kreis bei jedem Aufruf der `draw`-Methode. Fange alle Klicks in der _Graphics App_-Anwendung ab. Falls die Nutzer\*innen direkt auf den Kreis geklickt haben, änderst du dessen Farbe auf einen zufälligen Wert.

  • Updated Dec 22, 2021
  • Java

Fragments are reusable UI elements that can be embedded into views, and dialogs are pop-up windows that display additional information or allow user interaction. You can use callbacks in SAPUI5 fragments and dialogs to handle user interactions and pass data between the fragment/dialog and the calling view.

  • Updated Oct 27, 2023
  • JavaScript

I build an Android app with Java that handles JSON data from a REST API service. The app uses the Volley library to create a weather app using API data. This app includes RequestQueue, designing a Singleton, and using callbacks for async network communications. Also the app use the Volley library methods JsonArrayRequest and JsonArrayObject to p…

  • Updated Feb 1, 2021
  • Java

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