When you are ready to distribute to the public, you'll want to sign your application with a The reason is that the installer bundles the JRE (an Apple requirement for publishing Java The executable JAR file ShowTime.jar checks in at a mere 0.001 MB,īut the installer file show-time-installer.dmg is a whopping The javapackager tool is the way forward while the legacy JarBundler andĪppBundler approaches are now obsolete. srcfiles ShowTime.jar -appclass ShowTime -name ShowTime \Ĭp deploy/bundles/ShowTime-1.0.dmg show-time-installer.dmg ![]() $jdk/bin/javapackager -deploy -native dmg \ Tool to build the ShowTime.app appplication and wrap it in into an installer: The following commands move the icon file into the package folder and Sips -z 128 128 ShowTime.png -out ShowTime.iconset/icon_128x128.pngįor this tutorial, ignore the Missing image for variant warnings.Ĩ) Build Mac OS X application with installer Image to appropriate dimensions for an icon, and convert it into the. Use the following commands to download a sample PNG image, resize the The default icon for an executable JAR is a coffee cup. Note: While the manual commands above for steps #5 and #6 work fine, you could automate Click the red button (marble) to exit the The "It's Showtime!" window with the current time should display in the upper Test your executable JAR with the following command: Jar cmf MainClass.txt ShowTime.jar *.class Now use the following jar command to create the "ShowTime.jar" file: The resulting manifest file contains a single line: Create the file:Įcho "Main-Class: ShowTime" > MainClass.txt Which class contains the "main" function. Instead we will create a more convenient executable JAR file.īefore we make an executable JAR file, we need a manifest file to indicate It is possible to run the class file directly, but that results in a poor userĮxperience. ![]() Simple window for displaying the current time:į.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) į.getContentPane().add(new JLabel(new Date().toString())) īack at the Unix prompt, compile the Java program into a class file: Get the sample Java code and take a look at the Swing commands that create a The first command creates a folder called "showtime", and the second command Open Terminal and you're now at the Unix prompt.Įnter the following command to verify Java is installed: Using Finder go into "Applications" and then open the "Utilities" folder. (for the truly impatient, you can even run through the wholeĭownload and run the latest JDK installer for This step-by-step tutorial that can be easily completed by a beginner level developer Have successfully completed the tutorial with the sample Java program, modify the steps to ![]() The instructions below step you through the process from scratch withĪ sample program called "Show Time", which simply displays the current time. It's simple to turn your Java Swing program (.jar) into a proper Mac OS X application with a This information is for an older version of Mac OS X.įor more current information, visit: Mac Java! Tutorial: How to create a Mac OS X installer for a Java application (.jar) How to create a Mac OS X installer for a Java application (Updated for Mac OS X 10.11 - El Capitan).
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