Common Anr (Application Not Responding) in Ride Hailing Apps: Causes and Fixes

ANR (Application Not Responding) issues are a common problem in mobile apps, including ride hailing apps. These issues occur when an app becomes unresponsive to user input, causing frustration and pot

Introduction to ANR Issues in Ride Hailing Apps

ANR (Application Not Responding) issues are a common problem in mobile apps, including ride hailing apps. These issues occur when an app becomes unresponsive to user input, causing frustration and potentially leading to lost revenue. In this section, we will explore the technical root causes of ANR issues in ride hailing apps.

Technical Root Causes of ANR Issues

ANR issues in ride hailing apps are often caused by:

• Network requests: Long-running network requests, such as waiting for a response from a server, can cause an app to become unresponsive.
• Database queries: Complex database queries or queries that take a long time to execute can also cause ANR issues.
• CPU-intensive operations: Operations that require a lot of CPU power, such as image processing or complex calculations, can cause an app to become unresponsive.
• Memory leaks: Memory leaks can cause an app to consume increasing amounts of memory, leading to performance issues and potentially causing ANR issues.

Real-World Impact of ANR Issues

ANR issues can have a significant impact on ride hailing apps, including:

• User complaints: Users may complain about the app being slow or unresponsive, leading to negative reviews and a loss of trust in the app.
• Store ratings: ANR issues can lead to low store ratings, making it harder to attract new users.
• Revenue loss: ANR issues can lead to a loss of revenue, as users may be unable to complete their intended actions, such as booking a ride.

Examples of ANR Issues in Ride Hailing Apps

Here are 7 specific examples of how ANR issues can manifest in ride hailing apps:

1. Booking a ride: The app becomes unresponsive when a user tries to book a ride, causing the user to wait for an extended period or restart the app.
2. Tracking a driver: The app becomes unresponsive when a user tries to track the location of their driver, causing the user to lose visibility into the status of their ride.
3. Payment processing: The app becomes unresponsive when a user tries to pay for their ride, causing the user to wait for an extended period or restart the app.
4. Rating a driver: The app becomes unresponsive when a user tries to rate their driver, causing the user to wait for an extended period or restart the app.
5. Viewing ride history: The app becomes unresponsive when a user tries to view their ride history, causing the user to wait for an extended period or restart the app.
6. Searching for a destination: The app becomes unresponsive when a user tries to search for a destination, causing the user to wait for an extended period or restart the app.
7. Logging in: The app becomes unresponsive when a user tries to log in, causing the user to wait for an extended period or restart the app.

Detecting ANR Issues

To detect ANR issues, you can use tools such as:

• Android Debug Bridge (ADB): ADB can be used to monitor the app's performance and detect ANR issues.
• Android Studio: Android Studio provides a range of tools for monitoring and debugging app performance, including the ability to detect ANR issues.
• Third-party testing tools: Tools such as SUSA can be used to automate testing and detect ANR issues.

When detecting ANR issues, look for:

• Long-running operations: Operations that take a long time to complete can cause ANR issues.
• Unresponsive UI: If the app's UI is unresponsive, it may be a sign of an ANR issue.
• Error messages: Error messages can indicate that an ANR issue has occurred.

Fixing ANR Issues

To fix ANR issues, you can:

• Use asynchronous programming: Asynchronous programming can help to prevent long-running operations from blocking the main thread.
• Optimize database queries: Optimizing database queries can help to reduce the time it takes to complete operations.
• Use caching: Caching can help to reduce the number of network requests and improve performance.

Here are some code-level examples of how to fix ANR issues:

• Use AsyncTask: AsyncTask can be used to run long-running operations in the background, preventing them from blocking the main thread.
• Use RxJava: RxJava can be used to handle asynchronous operations and prevent ANR issues.
• Use coroutines: Coroutines can be used to run long-running operations in the background, preventing them from blocking the main thread.

Preventing ANR Issues

To prevent ANR issues, you can:

• Use automated testing: Automated testing can help to detect ANR issues before they reach production.
• Monitor app performance: Monitoring app performance can help to detect ANR issues and prevent them from occurring.
• Optimize app code: Optimizing app code can help to prevent ANR issues and improve overall app performance.

Tools such as SUSA can be used to automate testing and detect ANR issues before release. By using these tools and techniques, you can help to prevent ANR issues and improve the overall quality of your ride hailing app.

By integrating SUSA into your CI/CD pipeline using GitHub Actions, JUnit XML, or the CLI tool (pip install susatest-agent), you can ensure that your app is thoroughly tested and ANR issues are detected before release.

Additionally, SUSA's cross-session learning capabilities allow it to get smarter about your app every run, providing more accurate and comprehensive testing results.

With SUSA, you can also track the flow of your app, including login, registration, checkout, and search, and receive PASS/FAIL verdicts to ensure that your app is functioning as expected.

Furthermore, SUSA's coverage analytics provide per-screen element coverage and untapped element lists, helping you to identify areas of your app that need improvement.

By using SUSA, you can ensure that your ride hailing app is thoroughly tested, and ANR issues are detected and fixed before release.