material-foundation/material-internationalization-ios

Name: material-internationalization-ios

Owner: material-foundation

Description: MDFInternationalization assists in internationalizing your IOS app or components.

Created: 2016-11-09 18:36:49.0

Updated: 2018-01-04 14:31:36.0

Pushed: 2018-01-05 22:03:45.0

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Size: 826

Language: Objective-C

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README

MDFInternationalization assists in internationalizing your iOS app or components' user interface.

Right-to-Left calculations for CGRects and UIEdgeInsets

A UIView is positioned within its superview in terms of a frame (CGRect) consisting of an origin and a size. When a device is set to a language that is written from Right-to-Left (RTL), we often want to mirror the interface around the vertical axis. This library contains functions to assist in modifying frames and edge insets for RTL.

o flip a subview's frame horizontally, pass in subview.frame and the width of its parent.
ct originalFrame = childView.frame;
ct flippedFrame = MDFRectFlippedHorizontally(originalFrame, CGRectGetWidth(self.bounds));
dView.frame = flippedFrame;

Mirroring Images

A category on UIImage backports iOS 10's [UIImage imageWithHorizontallyFlippedOrientation] to earlier versions of iOS.

o mirror on image, invoke mdf_imageWithHorizontallyFlippedOrientation.
age *mirroredImage = [originalImage mdf_imageWithHorizontallyFlippedOrientation];

Adding semantic context

A category on UIView backports iOS 9's -[UIView semanticContentAttribute] and iOS 10's -[UIView effectiveUserInterfaceLayoutDirection] to earlier versions of iOS.

o set a semantic content attribute, set the mdf_semanticContentAttribute property.
edLTRView.mdf_semanticContentAttribute = UISemanticContentAttributeForceLeftToRight;

df_semanticContentAttribute is used to calculate the mdf_effectiveUserInterfaceLayoutDirection
customView.mdf_effectiveUserInterfaceLayoutDirection == UIUserInterfaceLayoutDirectionRightToLeft) {
 Update customView's layout to be in RTL mode.

Usage

See Examples/Flags for a detailed example of how to use the functionality provided by this library.

License

MDFInternationalization is licensed under the Apache License Version 2.0.