How to integrate and expand the function of the Timber framework in the Java class library
The function of integrated and expand the Timber framework in the Java class library
Overview:
Timber is a Java log framework that provides a simple and easy -to -use log record interface that can help developers perform log records in the application.This article will introduce the function of how to integrate and expand the Timber framework in the Java library.
Step 1: Add Timber dependencies
First of all, you need to add a Timber framework to the project's construction file (such as Pom.xml or Build.gradle).You can add dependencies through building tools such as Maven or Gradle.The following is the example code of the Gradle project:
groovy
dependencies {
implementation 'com.jakewharton.timber:timber:4.7.1'
}
Step 2: Create a timber log initialization class
To use the Timber framework, we need to create a initialization class to configure and initialize Timber.In the initialization class, we can specify the configuration of Timber, such as log levels, log output formats, etc.The following is the initialization class of an example:
import timber.log.Timber;
public class TimberInitializer {
public void init() {
Timber.plant(new Timber.DebugTree() {
@Override
protected void log(int priority, String tag, String message, Throwable t) {
// Custom logic logic, such as writing log information into files
super.log(priority, tag, message, t);
}
});
}
}
In the above example code, we set a Debugtree instance as the default log output tree by calling the method of calling the `timber.plant ()` method.In the subclasses of Debugtree, you can rewrite the log method for custom logic logic, such as writing log information into files.
Step 3: Use timber in the class library
Once we have created the initialization class of the Timber, we can use Timber to record the log in the class library.For example, we can add the following code to a certain method in a class library:
import timber.log.Timber;
public class LibraryClass {
public void performAction() {
Timber.i("Performing action in LibraryClass");
}
}
In the above example code, we use the `timber.i ()` method of the Timber framework in the method of `PerformAction ()` to record a information level log message.You can use different logs (such as V, D, W, E, etc.) as needed to record different levels of log messages.
Step 4: Initialize timber in the application
In order to make Timber take effect in the library, we need to call the initialized class `init ()" method in the application to initialize the Timber.For example, we can call the initialized class of the initialized class at the entrance of the application:
public class MyApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
TimberInitializer timberInitializer = new TimberInitializer();
timberInitializer.init();
}
}
In the above example code, we call the initialized class `init ()`) in the `OnCreate ()" method to initialize the Timber.This will make Timber record the log in the application.
Summarize:
By adding Timber dependencies, creating initialization classes, using Timber in the class library, and initializing Timber in the application, we can easily integrate and expand the Timber framework.Using the Timber framework, developers can easily record the logs and customize the log output.