Java Intensive Webinar (2020-08-10)

A multithread program that takes desktop screenshots in background and send them to the Dropbox server.

Program of webinar

• Exception Handling.
• Threads and Processes.
• Starting and stopping streams.
• Connecting external libraries.
• Sending files to a remote server.

Homework task

• The program should start a thread that takes a screenshot every 5 seconds
• After obtaining the screenshot a new separate thread should upload the image to the Dropbox server.
• The uploading of images have to be in dedicated thread
• File names must be in the format <yyyyMMdd_HHmmss>.png

Installation

• Obtain your own DropBox Access Token
• Copy your token to screentaker.properties file
• Tune any other properties like interval (in milliseconds), formatter or image type
• Tune logging properties in logging.properties file.

Run the program

Open the terminal and type a command:

java -jar ScreenTaker-1.1.0.jar 

If you prefer to run the program in the background (linux) add an ampersand in the end:

java -jar ScreenTaker-1.1.0.jar &