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Missing QML plugins usually stem from incorrect file paths or mismatched metadata (IID/version). Use <code>QT_DEBUG_PLUGINS=1</code> to trace resolution attempts and verify plugin file presence in all import paths.
Stop using boolean flags to manage your UI. Learn how to use QML State Machines to create declarative, maintainable, and animatable interfaces in Qt Quick.
Qt Quick developers often struggle with modular UI design, type registration, and performance. This post walks through single‑file QML components, C++ registration, performance tricks, and a concrete example that shows how to register, instantiate, and measure a Button component.
Build a thread-safe Qt list model by subclassing QAbstractListModel, exposing it to QML, and marshaling background updates via queued signals. Covers required virtuals, editable roles, structural change signals, and common pitfalls.
A decision guide for Qt interfaces: when QML (Qt Quick) beats QWidget, the constraints to check first, and two minimal button examples with validation steps.
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