keylistener

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KeyListener, keyPressed versus keyTyped

I have a JFrame (well, a class which extends JFrame) and I want to do an action when I press the F5 key. So, I made the class implement KeyListener. And with that, came three me开发者_运维知识库thods,[详细]

2023-03-28 02:31 分类：问答
onKeyDown not working

I am writing code to change a TextView when the volume up/down key gets pressed to update the TextView of the system volume % set.I now have this code which works once but it Overrides the functionali[详细]

2023-03-27 18:07 分类：问答
KeyListener not working?

I\'m having trouble with a KeyListener. I add the KeyListener to the JPanel that I create, but the KeyListener isn\'t working.[详细]

2023-03-26 14:27 分类：问答
KeyEventDispatcher works in one application, but not another

I have on one hand a complex, multi-threaded application, and on the other a single threaded test application that I was hoping to use to debug the first one.I am trying to use A KeyEventDispatcher as[详细]

2023-03-26 09:14 分类：问答
Detect on/off Key Press Android

How can I d开发者_Python百科etect the power button or lock screen button being pressed? When my game is paused in this way, it can cause the game to crash because I need to pause a thread when it happ[详细]

2023-03-23 20:48 分类：问答
Is it possible to make a JComponent default to not-focusable?

I know you can call JComponent.setFocusable(false) to make a Java component not be focusable. But since I have a 开发者_Python百科LOT of components in my application that I want to be that way, I was[详细]

2023-03-23 08:52 分类：问答
add KeyListener to JLabel

I want to make a class extend from JLabel and implement KeyListener, but KeyListener doesn\'t work. Now MouseListener works but KeyListner doesn\'t work, but why?[详细]

2023-03-18 20:08 分类：问答
Actionscript 3.0 Keyboard event listener doesn't call on function or even fire

The keyBoard event listeners call on the rotate and unrotate functions and based on the key inputs(A and D) will implement either of the functions and rotate the image or return it to the original upr[详细]

2023-03-18 18:38 分类：问答
capture key press within frame

This seems like a simp开发者_C百科le behavior, but I\'m having difficulty making it happen.I\'m working on software which graphs data.I want to redraw the graph when the user hits enter.Well more accu[详细]

2023-03-16 02:18 分类：问答
How to remove a row in JTable via pressing on DELETE on the keyboard

I know that I can use KeyListener to check if DELETE (char) 127 is pressed or not, but how can I add keyListener to the selectedRow in JTable?[详细]

2023-03-15 06:19 分类：问答