Medium - Android/Java Interfaces like a Boss! - Markers (Usage)

OpenFileHelper.java

public class OpenFileHelper {

    private final Logger myLogger;

    public OpenFileHelper() {
        // logs strategies
        SystemsLogger systemsLogger = new SystemsLoggerImpl();
        LogCatLogger logCatLogger = new LogCatLoggerImpl("OpenFileHelper");

        // log manager
        myLogger = new LoggerDispatcher(systemsLogger, logCatLogger);

        init();
    }

    private void init() {
        myLogger.logMessage("Starting helper");
        // some code here

        openFile();
    }

    private void openFile() {
        myLogger.logMessage("Opening task");
        // some code here
    }
}