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Log a warning only when the size of both axes are undefined

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This commit is contained in:
Drew Olbrich
2019-02-03 12:52:15 -08:00
parent f109e56dda
commit 44d4c7003c
1 changed files with 7 additions and 5 deletions
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Source/ScrollingContentViewManager.swift
+7 -5
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@@ -233,11 +233,13 @@ public class ScrollingContentViewManager: KeyboardObservering, ScrollViewBounceC
let contentViewSystemLayoutSize = contentView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
let contentViewIntrinsicContentSize = contentView.intrinsicContentSize
if contentViewSystemLayoutSize.width <= 0 && contentViewIntrinsicContentSize.width == UIView.noIntrinsicMetric {
NSLog("Warning: The content view's width is undefined. You must have an unbroken chain of constraints and views stretching from the content view’s left edge to its right edge or the content view's intrinsic content size must be defined.")
}
if contentViewSystemLayoutSize.height <= 0 && contentViewIntrinsicContentSize.height == UIView.noIntrinsicMetric {
NSLog("Warning: The content view's height is undefined. You must have an unbroken chain of constraints and views stretching from the content view’s top edge to its bottom edge or the content view's intrinsic content size must be defined.")
let widthIsDefined = contentViewSystemLayoutSize.width > 0 || contentViewIntrinsicContentSize.width != UIView.noIntrinsicMetric
let heightIsDefined = contentViewSystemLayoutSize.height > 0 || contentViewIntrinsicContentSize.height != UIView.noIntrinsicMetric
// Warnings are reported only if both the width and height are undefined. When a
// layout is intended to scroll along only one axis, it is convenient to leave the
// size of the other axis undefined.
if !widthIsDefined && !heightIsDefined {
NSLog("Warning: The content view's size is undefined. You must have an unbroken chain of constraints and views stretching across at least one axis of the content view or the content view's intrinsic content size must be defined.")
}
if contentView.superview == nil {