Example code for an ActionBar mini app

mini_app.ijm

// Example code for an ActionBar mini app. 
// Save this in Plugins>ActionBar
// Launch it at statup using run("mini app"); in Options>Startup... 
// Action Bar description file :mini_app

run("Action Bar","/plugins/ActionBar/mini_app.ijm");
exit;

<main>

// Optional example drag and Drop action
<DnDAction>
file=getArgument();
open(file);
run("8-bit");
</DnDAction>

<line>

// Optional button that shows/hides the main ImageJ toolbar
<button>
label=Toggle IJ
arg=<hide>

// Example button
<button>
label=hello
arg=<macro>
showMessage("hello");
</macro>

</line>