How to programmatically make cocoa application active

Question

I\'ve got a background process that makes a transparent window appear when a hotkey is pressed:

[window makeKeyAndOrderFront:nil];
[[content animator] setAlp         


        

Answer 1

For 10.6 or greater

[[NSRunningApplication currentApplication] activateWithOptions:(NSApplicationActivateAllWindows | NSApplicationActivateIgnoringOtherApps)];

Answer 2

Look at [[NSApplication sharedApplication] activateIgnoringOtherApps : YES];.

Answer 3

Swift 4.2+ of @Arvin answer

NSRunningApplication.current.activate(options: [.activateIgnoringOtherApps, .activateAllWindows])