是真的DP设备无关？ [英] is dp really device independent?

问题描述

这听起来很愚蠢，但我有困惑。
我已经定义了具有图像的条带的布局。条的高度被设定为有些X的DP。但
我可以看到的高度差，在不同的手机（三星注2它看起来比的Nexus 4大）。有人可以解释或提供一些有用的链接？

This sounds stupid , but I have confusion. I have defined a layout which have a stripe of images . Strip height is set as some x dp. But I can see difference in height , in difference phones (in samsung note2 it looks bigger than nexus 4). Can someone explain or provide some useful links ?

先谢谢了。

推荐答案

仅供参考，DP代表的密度独立的像素即可。

FYI, DP stands for Density independent pixel.

这里是屏幕像素密度的定义：

And Here is definition of Screen density:

屏幕密度

像素的一个物理区域内的量
  屏幕;通常被称为DPI（每英寸点数）。例如，一个
  低密度屏幕上有一个特定的物理区域内较少的像素，
  相比于正常或高密度的屏幕。

The quantity of pixels within a physical area of the screen; usually referred to as dpi (dots per inch). For example, a "low" density screen has fewer pixels within a given physical area, compared to a "normal" or "high" density screen.

参考： http://developer.android.com/guide/practices/screens_support。 HTML

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