0.33.0 Breaks The Previews

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Introduction

In the latest version of Markdown Compose, 0.33.0, a critical issue has been reported where previews no longer display content. This issue affects the rendering of Markdown text in preview mode, making it difficult for developers to test and verify their Markdown-based UI components. In this article, we will delve into the details of this issue, explore the possible causes, and provide a step-by-step guide to reproduce and fix the problem.

Understanding the Issue

The issue is specifically related to the Markdown Compose library, which is used to render Markdown text in a Compose-based UI. The problem arises when trying to display Markdown content in preview mode, where the text is not rendered correctly, and instead, a blank space is displayed. This issue is not present in the previous version, 0.32.0, where the Markdown content is displayed correctly in preview mode.

Reproducing the Issue

To reproduce the issue, you can use the sample project provided in the Markdown Compose repository. The project includes a simple Compose-based UI component that displays Markdown text using the Markdown Compose library. To reproduce the issue, follow these steps:

  1. Clone the Markdown Compose repository from GitHub.
  2. Open the project in your preferred IDE.
  3. Run the app in preview mode (e.g., using the "Preview" button in Android Studio).
  4. Observe that the Markdown content is not displayed correctly, and instead, a blank space is shown.

Analyzing the Code

To better understand the issue, let's take a closer look at the code. The sample project includes a simple Compose-based UI component that displays Markdown text using the Markdown Compose library. The code is as follows:

@Composable
fun Greeting(name: String, modifier: Modifier = Modifier) {
    Markdown(
        content = testMarkdownText,
        colors = markdownColor(),
        typography = markdownTypography(),
        modifier = modifier
    )
}

@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
    MarkdownTheme {
        Greeting("Android")
    }
}

In this code, we can see that the Greeting composable function is used to display Markdown text using the Markdown composable function from the Markdown Compose library. The GreetingPreview composable function is used to display the Markdown content in preview mode.

Possible Causes

After analyzing the code, we can identify a few possible causes for the issue:

  1. Version incompatibility: The issue may be caused by a version incompatibility between the Markdown Compose library and the Compose UI library.
  2. Configuration issues: The issue may be caused by configuration issues in the Markdown Compose library, such as incorrect typography or color settings.
  3. Bug in the library: The issue may be caused by a bug in the Markdown Compose library itself.

Fixing the Issue

To fix the issue, you can try the following steps:

  1. Update the Markdown Compose library: Make sure that you are using the latest version of the Markdown Compose library.
  2. Check the configuration: that the typography and color settings are correctly configured in the Markdown Compose library.
  3. Report the issue: If none of the above steps resolve the issue, report the problem to the Markdown Compose library maintainers.

Conclusion

In conclusion, the issue with Markdown Compose 0.33.0 breaking previews is a critical problem that affects the rendering of Markdown text in preview mode. By analyzing the code, identifying possible causes, and trying the suggested fixes, you can resolve the issue and ensure that your Markdown-based UI components display correctly in preview mode.

Additional Resources

For more information on the Markdown Compose library, please refer to the official documentation:

Sample Project

You can download the sample project from the Markdown Compose repository:

Screenshots

The following screenshots demonstrate the issue:

Works in 0.32.0 Does not work in 0.33.0
Image Image

Q: What is the issue with Markdown Compose 0.33.0?

A: The issue with Markdown Compose 0.33.0 is that it breaks previews, meaning that Markdown text is not displayed correctly in preview mode.

Q: What is the impact of this issue?

A: The impact of this issue is that developers cannot test and verify their Markdown-based UI components in preview mode, which can lead to delays and errors in the development process.

Q: What are the possible causes of this issue?

A: The possible causes of this issue are:

  1. Version incompatibility: The issue may be caused by a version incompatibility between the Markdown Compose library and the Compose UI library.
  2. Configuration issues: The issue may be caused by configuration issues in the Markdown Compose library, such as incorrect typography or color settings.
  3. Bug in the library: The issue may be caused by a bug in the Markdown Compose library itself.

Q: How can I reproduce the issue?

A: To reproduce the issue, you can use the sample project provided in the Markdown Compose repository. The project includes a simple Compose-based UI component that displays Markdown text using the Markdown Compose library. To reproduce the issue, follow these steps:

  1. Clone the Markdown Compose repository from GitHub.
  2. Open the project in your preferred IDE.
  3. Run the app in preview mode (e.g., using the "Preview" button in Android Studio).
  4. Observe that the Markdown content is not displayed correctly, and instead, a blank space is shown.

Q: What are the steps to fix the issue?

A: To fix the issue, you can try the following steps:

  1. Update the Markdown Compose library: Make sure that you are using the latest version of the Markdown Compose library.
  2. Check the configuration: that the typography and color settings are correctly configured in the Markdown Compose library.
  3. Report the issue: If none of the above steps resolve the issue, report the problem to the Markdown Compose library maintainers.

Q: What are the additional resources available for Markdown Compose?

A: For more information on the Markdown Compose library, please refer to the official documentation:

Q: Can I download the sample project?

A: Yes, you can download the sample project from the Markdown Compose repository:

Q: What are the screenshots that demonstrate the issue?

A: The following screenshots demonstrate the issue:

Works in 0.32.0 Does not work in 0.33.0
Image Image

Q: What is the conclusion of this article?

A: In conclusion, the issue with Markdown Compose 0.33.0 breaking previews is a critical problem that affects the rendering of Markdown text in preview mode. By analyzing the code, identifying possible causes, and trying the suggested fixes, you can resolve the issue and ensure that your Markdown-based UI components display correctly in preview mode.