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System components are built-in components within the ArkUI framework, categorized into container components and basic components. For example, Row and Column are container components that can hold other components, while Text and Button are basic components.
Others act as containers that group the widgets added to them, for example windows, panels, and tabs. Structuring a user interface with widget toolkits allows developers to reuse code for similar tasks, and provides users with a common language for interaction, maintaining consistency throughout the whole information system.
A widget toolkit, widget library, GUI toolkit, or UX library is a library or a collection of libraries containing a set of graphical control elements (called widgets) used to construct the graphical user interface (GUI) of programs.
[5] [6] It features questions and answers on certain computer programming topics. [7] [8] [9] It was created to be a more open alternative to earlier question and answer websites such as Experts-Exchange. Stack Overflow was sold to Prosus, a Netherlands-based consumer internet conglomerate, on 2 June 2021 for $1.8 billion. [10]
line 5: The application class inherits from Tkinter's Frame class. line 7: Defines the function that sets up the Frame. line 8: Calls the constructor for the parent class, Frame. line 12: Defining the widgets. line 13: Creates a label, named MedialLabel with the text "Hello World". line 14: Sets the MedialLabel background colour to cyan.
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[5] [6] The current version of ArkTS, was released on October 26, 2023, for open source OpenHarmony 4.0 API 10 with new ArkTS APIs via DevEco Studio 4.0 Canary build after HarmonyOS 4.0 release on August 4, 2023. [ 7 ]
The tower contains arched windows, columns and a small dome topped by an iron cross. The main portal is sculpted in sandstone in Renaissance style. The main doors are of wood and contain metal studs with different designs. The north portal has richer ornamentation. [3] The bell tower suffered some damage in the September, 2017 earthquake.