是否FILL_PARENT或为RelativeLayout的对象match_parent属性的工作真的 [英] Does the fill_parent or match_parent attributes work for a relativeLayout object really

问题描述

请问FILL_PARENT或match_parent属性为 RelativeLayout的对象的工作真的？

Does the fill_parent or match_parent attributes work for a relativeLayout object really?

请参阅下图：

推荐答案

match_parent 适用于任何看法。
只要你没有分配来抵消你的看法的利润，这将扩大到其父的大小。

match_parent works on any view. As long as you don't have margins assigned to offset your view, it will expand to its parent size.

至于为什么你看到它这样的 - 不依赖于Android Studio设计太多。它的存在来显示画面粗糙，但不是precise工具的依靠。
最好的情况下看东西都是精品：

As for why you see it like this - do not rely too much on Android Studio designer. It is there to show a rough picture but is not a precise tool to rely on. Best case to see things are fine:

• 设置临时不同的背景颜色为你（你的情况 RelativeLayout的）查看与其父布局


• 加载应用程序，并检查是否在你的相对布局显示父颜色

• set a temporary different background color for your view (RelativeLayout in your case) and its parent layout
• load the app and check if the parent color is shown around your relative layout

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