Android custom control (4) methods in view

Source: Internet
Author: User

Onfinishinflate () is triggered when all the child controls in the view are mapped to XML


Onmeasure (INT, INT) determines the size of all child elements


Onlayout (Boolean, Int, INT) is triggered when the view allocates the size and position of all child elements.


Onsizechanged (INT, Int, Int, INT) is triggered when the View Size changes


Ondraw (canvas) view rendering content details


Onkeydown (INT, keyevent) is triggered when a key is pressed.


Onkeyup (INT, keyevent) triggered when a key is pressed and then popped up


Ontrackballevent (motionevent) trackball event


Ontouchevent (motionevent) touch screen event


Onfocuschanged (Boolean, Int, rect) is triggered when the view gets or loses focus.


Onwindowfocuschanged (Boolean) is triggered when the view contained in the window gets or loses focus.


Onattachedtowindow () is triggered when a view is attached to a window.


Ondetachedfromwindow () is triggered when the view leaves the attached window. This method is opposite to onattachedtowindow.

Onwindowvisibilitychanged (INT) is triggered when the visible view contained in the window changes

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