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javaswingjframescreenvisible
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Reputation: 61

Java: determine visibility of JFrame on screen

I have a custom Java Swing application that displays its content in two separate and independent JFrames. How can I determine if one of my frames - or any displayable Java component in gereneral - is actually really visible on screen? I am speaking of "real visibility" in the meaning that I can actually see it.

Example: my application has been made visible using setVisible(true), but when I move any other window or application in front of my application, it gets hidden behind that new window and I am no longer able to see it.

I have used: frame.isVisible(), frame.isShowing() and frame.isDisplayable().

All three evaluate to true no matter if my JFrame is actually visible on top of the screen, minimized in the task bar or hidden behind any other window.

Upvotes: 1

Views: 230

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