View 生命周期方法
2014-12-09 15:05
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/**
* This is called when the view is attached to a window. At this point it
* has a Surface and will start drawing. Note that this function is
* guaranteed to be called before {@link #onDraw(android.graphics.Canvas)},
* however it may be called any time before the first onDraw -- including
* before or after {@link #onMeasure(int, int)}.
*
* @see #onDetachedFromWindow()
*/
onAttachedToWindow() //关联到window时调用
/**
* This is called when the view is detached from a window. At this point it
* no longer has a surface for drawing.
*
* @see #onAttachedToWindow()
*/
onDetachedFromWindow() //从window中分离出来时调用，做资源缩放的相关操作
* This is called when the view is attached to a window. At this point it
* has a Surface and will start drawing. Note that this function is
* guaranteed to be called before {@link #onDraw(android.graphics.Canvas)},
* however it may be called any time before the first onDraw -- including
* before or after {@link #onMeasure(int, int)}.
*
* @see #onDetachedFromWindow()
*/
onAttachedToWindow() //关联到window时调用
/**
* This is called when the view is detached from a window. At this point it
* no longer has a surface for drawing.
*
* @see #onAttachedToWindow()
*/
onDetachedFromWindow() //从window中分离出来时调用，做资源缩放的相关操作
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