我想在Cocoapod中使用自定义字体,但在静态库中使用自定义字体时找不到任何内容。由于没有info.plist文件,因此无法告诉应用程序使用什么字体。
有什么想法吗?
答案 0 :(得分:10)
如果我理解正确,您正在尝试使用Cocoapod提供字体,并且您希望包含该pod的iOS应用程序能够使用您的自定义字体。
此post_install
挂钩似乎有效:
Pod::Spec.new do |s|
# ...
s.resources = "Resources/*.otf"
# ...
s.post_install do |library_representation|
require 'rexml/document'
library = library_representation.library
proj_path = library.user_project_path
proj = Xcodeproj::Project.new(proj_path)
target = proj.targets.first # good guess for simple projects
info_plists = target.build_configurations.inject([]) do |memo, item|
memo << item.build_settings['INFOPLIST_FILE']
end.uniq
info_plists = info_plists.map { |plist| File.join(File.dirname(proj_path), plist) }
resources = library.file_accessors.collect(&:resources).flatten
fonts = resources.find_all { |file| File.extname(file) == '.otf' || File.extname(file) == '.ttf' }
fonts = fonts.map { |f| File.basename(f) }
info_plists.each do |plist|
doc = REXML::Document.new(File.open(plist))
main_dict = doc.elements["plist"].elements["dict"]
app_fonts = main_dict.get_elements("key[text()='UIAppFonts']").first
if app_fonts.nil?
elem = REXML::Element.new 'key'
elem.text = 'UIAppFonts'
main_dict.add_element(elem)
font_array = REXML::Element.new 'array'
main_dict.add_element(font_array)
else
font_array = app_fonts.next_element
end
fonts.each do |font|
if font_array.get_elements("string[text()='#{font}']").empty?
font_elem = REXML::Element.new 'string'
font_elem.text = font
font_array.add_element(font_elem)
end
end
doc.write(File.open(plist, 'wb'))
end
end
钩子找到用户项目,并且在第一个目标中(您可能通过要求CocoaPods为您提供真正的目标来完成此解决方案)它会查找其Info.plist
文件(通常只有一)。最后,它查找文件的UIAppFonts
键,如果找不到则创建它,并在数组中填入字体名称(如果它们不在那里)。
答案 1 :(得分:8)
对于那些在2018年以上发现这一点的人,我通过这两个步骤获得了自定义字体和界面构建器支持(XCode 9):
将您的字体添加到资源包
s.resource_bundles = {
'PodName' => ['PodName/**/*.{ttf}']
}
使用上面的Adam回答
在运行时加载字体#import <CoreText/CoreText.h>
void CFSafeRelease(CFTypeRef cf) { // redefine this
if (cf != NULL) {
CFRelease(cf);
}
}
+ (void) loadFonts {
NSBundle *frameworkBundle = [NSBundle bundleForClass:self.classForCoder];
NSURL *bundleURL = [[frameworkBundle resourceURL] URLByAppendingPathComponent:@"PodName.bundle"];
NSBundle *bundle = [NSBundle bundleWithURL:bundleURL];
NSURL *fontURL = [bundle URLForResource:@"HindMadurai-SemiBold" withExtension:@"ttf"];
NSData *inData = [NSData dataWithContentsOfURL:fontURL];
CFErrorRef error;
CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)inData);
CGFontRef font = CGFontCreateWithDataProvider(provider);
if (!CTFontManagerRegisterGraphicsFont(font, &error)) {
CFStringRef errorDescription = CFErrorCopyDescription(error);
NSLog(@"Failed to load font: %@", errorDescription);
CFRelease(errorDescription);
}
CFSafeRelease(font);
CFSafeRelease(provider);
}
答案 2 :(得分:6)
有一种方法可以使用自定义字体而不向plist文件添加任何内容。
var str = "abc abc ab a";
var i = -1;
var result = [];
while (true) {
i = str.indexOf("abc", i + 1);
if (i == -1) break;
result.push(i);
}
document.write(result);
您还需要 NSBundle *bundle = [NSBundle bundleForClass:[self class]];
NSURL *fontURL = [bundle URLForResource:<#fontName#> withExtension:@"otf"/*or TTF*/];
NSData *inData = [NSData dataWithContentsOfURL:fontURL];
CFErrorRef error;
CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)inData);
CGFontRef font = CGFontCreateWithDataProvider(provider);
if (!CTFontManagerRegisterGraphicsFont(font, &error)) {
CFStringRef errorDescription = CFErrorCopyDescription(error);
NSLog(@"Failed to load font: %@", errorDescription);
CFRelease(errorDescription);
}
CFSafeRelease(font);
CFSafeRelease(provider);
功能才能实现此功能。
CFSafeRelease
来源:Loading iOS fonts dynamically。
Swift等价物:
void CFSafeRelease(CFTypeRef cf) {
if (cf != NULL) {
CFRelease(cf);
}
}
答案 3 :(得分:1)
好吧,idk如果可以回答的话,但是您也可以 查找需要字体的cocoapod,如下所示: https://github.com/parakeety/GoogleFontsiOS
库包含许多字体,我需要Chivo,因此我添加了pod'GoogleFontsiOS / Chivo' 并用它代替自己编写字体加载代码。
答案 4 :(得分:0)
迅速实施5
我能够通过在Cocoapod中创建以下类,然后从主应用程序CustomFonts.loadAll()
中调用AppDelegate.swift
来解决此问题。之后,我可以在我的应用中使用这样的字体:
let myFont = CustomFonts.Style.regular.font
请注意,Style
枚举不是必需的,只是分离关注点的便捷方法。您也可以致电:
let myFont = UIFont(name: "SourceSansPro-SemiBold", size: 14)
import CoreText
public class CustomFonts: NSObject {
public enum Style: CaseIterable {
case mono
case regular
case semibold
public var value: String {
switch self {
case .mono: return "SourceCodePro-Medium"
case .regular: return "SourceSansPro-Regular"
case .semibold: return "SourceSansPro-SemiBold"
}
}
public var font: UIFont {
return UIFont(name: self.value, size: 14) ?? UIFont.init()
}
}
// Lazy var instead of method so it's only ever called once per app session.
public static var loadFonts: () -> Void = {
let fontNames = Style.allCases.map { $0.value }
for fontName in fontNames {
loadFont(withName: fontName)
}
return {}
}()
private static func loadFont(withName fontName: String) {
guard
let bundleURL = Bundle(for: self).url(forResource: "[CococpodName]", withExtension: "bundle"),
let bundle = Bundle(url: bundleURL),
let fontURL = bundle.url(forResource: fontName, withExtension: "ttf"),
let fontData = try? Data(contentsOf: fontURL) as CFData,
let provider = CGDataProvider(data: fontData),
let font = CGFont(provider) else {
return
}
CTFontManagerRegisterGraphicsFont(font, nil)
}
}