"Android Interface Effect 46" Custom view frequently processed callback method

Onfinishinflate () triggers when all child controls in view are mapped to XML

onmeasure (int, int) determines the size of all child elements

OnLayout (boolean, int, int, int, int) triggered when view allocates the size and position of all child elements

onsizechanged (int, int, int, int) triggered when the size of the view changes

OnDraw (Canvas) View details of rendered content

OnKeyDown (int, keyevent) has a button pressed and then triggered

onKeyUp (int, keyevent) triggers when the button is pressed and bounced

Ontrackballevent (motionevent) trackball Event

Ontouchevent (motionevent) Touch screen Event

Onfocuschanged (boolean, int, Rect) triggers when view Gets or loses focus

Onwindowfocuschanged (Boolean) Triggers when a window contains a view that gets or loses focus

Onattachedtowindow () Triggers when view is attached to a window

Ondetachedfromwindow () Fires when view leaves an attached window, which is the opposite of Onattachedtowindow ().

onwindowvisibilitychanged (int) triggers when the visible view that is contained in the window has changed

"Android Interface Effect 46" Custom view frequently processed callback method