Drawable getIntrinsicWidth() and getIntrinsicHeight()

本文介绍了Drawable类中的两个关键尺寸属性:getIntrinsicWidth()与getIntrinsicHeight()。这两个方法分别用于获取Drawable对象的固有宽度和高度,包括任何内在的填充。如果Drawable没有固有尺寸(例如纯色),则返回-1。

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getIntrinsicWidth

Added in  API level 1
int getIntrinsicWidth ()

Returns the drawable's intrinsic width.

Intrinsic width is the width at which the drawable would like to be laid out, including any inherent padding. If the drawable has no intrinsic width, such as a solid color, this method returns -1.

getIntrinsicHeight

Added in  API level 1
int getIntrinsicHeight ()

Returns the drawable's intrinsic height.

Intrinsic height is the height at which the drawable would like to be laid out, including any inherent padding. If the drawable has no intrinsic height, such as a solid color, this method returns -1.


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原文URL:http://stackoverflow.com/questions/6536418/why-are-the-width-height-of-the-drawable-in-imageview-wrong

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