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In this Discussion
question about the return value of keydown event
alexzheng
Guru
This is the method handle the keydown event in java.
public boolean onKeyDown(int keyCode, KeyEvent event)
{
GiderosApplication app = GiderosApplication.getInstance();
if (app != null && app.onKeyDown(keyCode, event) == true)
return true;
//I want to add my back handler here if the return value is false in lua code
return super.onKeyDown(keyCode, event);
}
is app.onKeyDown always return true for back key, can I determined it in the keydown event listener of lua code?
For example, in some scene I will handle the back keydown event in lua, but in main menu scene I will just handle it in this java method.
stage:addEventListener(Event.KEY_DOWN, function()
if event.keyCode == KeyCode.BACK then
return false ---then app.onKeyDown in java will return false
end
end)
public boolean onKeyDown(int keyCode, KeyEvent event)
{
GiderosApplication app = GiderosApplication.getInstance();
if (app != null && app.onKeyDown(keyCode, event) == true)
return true;
//I want to add my back handler here if the return value is false in lua code
return super.onKeyDown(keyCode, event);
}
is app.onKeyDown always return true for back key, can I determined it in the keydown event listener of lua code?
For example, in some scene I will handle the back keydown event in lua, but in main menu scene I will just handle it in this java method.
stage:addEventListener(Event.KEY_DOWN, function()
if event.keyCode == KeyCode.BACK then
return false ---then app.onKeyDown in java will return false
end
end)
Comments
But it depends on the purpose you want to use button in java.
For example you can do something like:
https://sites.google.com/site/xraystudiogame