Logging is a crucial aspect of Android development. It helps you debug applications and track data efficiently. One great tool for this purpose is the HyperLog library. In this guide, we will walk you through the installation, initialization, and usage of HyperLog, as well as some troubleshooting tips.

What is HyperLog?

HyperLog is a utility logger library for Android built on top of the standard Android Log class. It allows developers to store logs in a database and later retrieve them into a file or push them to a remote server.

Installation

To get started, you’ll need to include HyperLog in your project. Use the following code in your build.gradle file:

dependencies {
    implementation 'com.hypertrack:hyperlog:0.0.10'
    implementation 'com.android.volley:volley:1.0.0'
    implementation 'com.google.code.gson:gson:2.8.1'
}

Initialization

You need to initialize HyperLog in the onCreate method of your application’s main activity or the Application class:

HyperLog.initialize(this);
HyperLog.setLogLevel(Log.VERBOSE);

Usage

To log messages, simply use the following calls:

HyperLog.d(TAG, "Debug Log");
HyperLog.i(TAG, "Informational Log");
HyperLog.e(TAG, "Error Log");
HyperLog.w(TAG, "Warning Log");
HyperLog.a(TAG, "Assert Log");
HyperLog.exception(TAG, "Exception message", throwable);

Getting Logs in a File

If you wish to retrieve logs in a file format, use:

File file = HyperLog.getDeviceLogsInFile(this);

Pushing Logs to a Remote Server

HyperLog allows you to push logs to a remote server, enhancing your debugging capabilities. To do so, follow these steps:

1. Set the API endpoint URL: HyperLog.setURL(API_URL);
2. Push the logs using: HyperLog.pushLogs(this, false, callback);

Custom Log Message Format

You can customize the log message format by extending the LogFormat class and overriding the getFormattedLogMessage method:

class CustomLogMessageFormat extends LogFormat {
    public String getFormattedLogMessage(String logLevelName, String message, String timeStamp, String senderName, String osVersion, String deviceUUID) {
        return timeStamp + " : " + logLevelName + " : " + deviceUUID + " : " + message;
    }
}

How the Code Works: A Fun Analogy

Think of your logging process as a meticulous librarian organizing books. The process of initializing HyperLog is like setting up the library: arranging the shelves and putting in place the order of books. Each log entry you create is like a new book that the librarian adds to the shelf. When you call to retrieve logs or push them to a server, you’re asking the librarian to either fetch a specific book you’re interested in or send a collection of books to another library for further analysis.

Troubleshooting

If you encounter issues while using HyperLog, consider these troubleshooting tips:

• Make sure you have added the necessary permissions in your AndroidManifest.xml: <uses-permission android:name="android.permission.INTERNET" />
• Check that your API endpoint is correct if you get connection errors.
• Ensure that your log level is set correctly to capture all desired logs.
• If you run into any other issues, please refer to the issues tracker for common problems or to raise your own.

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Conclusion

With HyperLog, logging in Android becomes a breeze. Whether you’re tracking simple debug logs or pushing complex log files to a server, this library greatly enhances your development experience. Dive in, and happy logging!