使 UIButton 占屏幕大小的百分比

问题描述

我注意到某些按钮尺寸在 iPhone 5 模拟器上看起来很棒，但在 iPhone 6 模拟器上看起来不那么好，这是因为我放置在 UIButtons 上的高度或约束最终会留下很多空白空间我的应用屏幕底部.

I noticed certain button sizes look great on one the iPhone 5 simulator but do not look as good on the iPhone 6 simulator and this is because the heights or constraints that I place on the UIButtons end up leaving a lot of blank space down the bottom of my App Screen.

无论我在什么设备上模拟，我都希望有一个屏幕大小为 40% 的按钮.

I would like to have a button that is 40% of the screen size regardless of what device I am simulating on.

关于如何使按钮的大小保持在屏幕大小的 40% 而与设备无关的任何想法?

Any ideas on how to make the size of the button stay 40% of the screen size regardless of the device?

推荐答案

1. Ctrl 从按钮拖到 superview 并选择 Equal Widths

2. Open Size Inspector 编辑 Equal Widths 约束并将乘数设置为 0.4.你会看到这样的东西:

1. Ctrl drag from button to superview and select Equal Widths

2. Open Size Inspector edit Equal Widths constraint and set multiplier to 0.4.And you will see something like this:

添加缺失的约束并更新帧.

Add missing constraints and update frames.

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