Question 1

How to add a line chart with EChart in iOS?

Accepted Answer

Import ELineChart, set up the data source and delegate similar to EColumnChart, and implement methods for data provision. The demo project provides a practical example to follow for implementation details.

Question 2

EChart vs Charts library for iOS: which should I use?

Accepted Answer

EChart offers a simpler, UITableView-like API with good event handling, ideal for basic interactive charts. Charts (by Daniel Gindi) supports more chart types and is more feature-rich but has a steeper learning curve. Choose based on your project's complexity and need for advanced visualizations.

Question 3

Can EChart be used with SwiftUI?

Accepted Answer

EChart is built with UIKit, so it can be integrated into SwiftUI apps using UIViewRepresentable for bridging. However, native SwiftUI support is not provided, requiring additional code for compatibility.

Question 4

How to handle tap events on pie chart segments in EChart?

Accepted Answer

Implement delegate methods like didSelectColumn for pie charts to capture tap events, as the event handling is consistent across chart types. Refer to the demo project for specific code examples.

Question 5

Is EChart still actively maintained?

Accepted Answer

The GitHub repository shows no recent commits or updates, and it targets iOS 7.0, suggesting it might not be actively maintained. Check for community forks or consider alternatives if ongoing support is critical for your project.

Question 6

How to customize colors in EChart column charts?

Accepted Answer

Customize colors by modifying properties in EColumnDataModel or extending the chart classes, leveraging the library's extendable architecture. However, detailed examples are limited, so experimentation or reviewing the demo is often necessary.

EChart

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