Enhanced UIProgressView subclass with auto-incrementing tick animation (simulates indeterminate progress), configurable tick speed via periodValue, themed colors from ViewConfig, and simple onStart() / onFinished() lifecycle API.

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🚀 Usage

Basic Indeterminate Loader

let progressBar = TTBaseUIProgressView()

// Add to view (often in navigation bar or below header)
view.addSubview(progressBar)
progressBar.setLeadingAnchor(constant: 0)
    .setTrailingAnchor(view, constant: 0, priority: .required)
    .setTopAnchor(constant: 0).done()
progressBar.setHeightAnchor(constant: 3)

// Start auto-increment animation
progressBar.onStart()

// Complete with a fill-to-100% animation
progressBar.onFinished()

API Call Loading Indicator

class ProductVC: TTBaseUIViewController {
    lazy var progressBar = TTBaseUIProgressView()

    override func setupConstraints() {
        progressBar.setLeadingAnchor(constant: 0)
            .setTopAnchor(constant: 0)
            .setTrailingAnchor(self.view, constant: 0, priority: .required)
            .done()
        progressBar.setHeightAnchor(constant: 2)
    }

    func loadProducts() {
        progressBar.isHidden = false
        progressBar.onStart()

        APIService.fetchProducts { [weak self] result in
            self?.progressBar.onFinished()
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                self?.progressBar.isHidden = true
            }
        }
    }
}

Deterministic Progress (native UIProgressView)

// For exact progress values, use UIProgressView directly
// TTBaseUIProgressView auto-ticks — use setProgress() for manual control
progressBar.setProgress(0.75, animated: true)
progressBar.onFinished()  // Animate to 1.0 then stop timer

Subclass to Customize

class FastProgressBar: TTBaseUIProgressView {
    // Larger tick increment = faster visual animation
    override var periodValue: Float { 0.01 }
}

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📖 API Reference

Method / Property	Type	Description
periodValue	Float	Increment per tick (default: 0.004). Override to control speed.
onStart()	Void	Reset to 0 and begin auto-tick timer (every 0.04s)
onFinished()	Void	Animate fill to 1.0, then invalidate timer

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⚙️ Theme Colors

// Colors come from ViewConfig
TTBaseUIKitConfig
    .withDefaultConfig()
    .withViewConfig(
        TTBaseUIKitViewConfig(
            processViewBgColor: .systemGray6,       // Bar background
            processViewProcessColor: .systemBlue,   // Progress fill color
            processViewTrackColor: .systemGray5     // Track color
        )
    )
    .start()