我需要从.ttf文件设置字体 [英] I need To Set Font from .ttf File

问题描述

我正在尝试将字体设置为系统并在我的应用程序中使用它在android上工作正常，但不适用于IOS -首先，我在IOS项目的资源中添加了.ttf文件

I'm Trying to set font to my system and use it in my application it works fine for android but it does not apply for IOS - First I Added .ttf File to Resources in IOS Project

然后将该字体添加到Entitlements.plist

Then Added This Font to Entitlements.plist

对于Android，我已添加到资产文件夹

For Android, I Added to Assets Folder

然后在主应用程序中的应用程序文件中，我将此代码添加到字典资源中

Then App File in the Main Application I added this Code in dictionary Resources

 <Style x:Key="LableStyle" TargetType="Label" >
        <Setter Property="Label.FontFamily">
            <Setter.Value>
                <OnPlatform x:TypeArguments="x:String">
                    <OnPlatform.Android>
                        DroidSansArabic.ttf#DroidSansArabic
                            </OnPlatform.Android>
                    <OnPlatform.iOS>
                        DroidSansArabic
                    </OnPlatform.iOS>
                </OnPlatform>
            </Setter.Value>
        </Setter>
    </Style>

对于标签，我添加了这样的样式

And for The Label I Added the Style like this

<Label HorizontalOptions="StartAndExpand" 
   Margin="20,5,0,0"
   x:Name="lblForgotPassword"
   Text="Forgot Password"
   Style="{StaticResource LableStyle}">
</Label>

但是它在Android中可以正常运行，但在IOS中却不能运行，为什么?

But it works fine in Android but not working in IOS Why ?

推荐答案

我认为您的字体系列名称在iOS上不正确. macOS/iOS字体名称不是带扩展名的文件名，名称是在ttf本身内定义的.

I would assume your font family name is incorrect on iOS. The macOS/iOS font names are not the filename sans extension, the names are defined within the ttf itself.

我的macOS上的DroidSansArabic.ttf和我在iOS上使用的DroidSansArabic.ttf使用家族名称 B Tabassom

The DroidSansArabic.ttf on my macOS and the one that I have used on iOS uses the family name of B Tabassom

因此它在Forms中的用法将是:

So the usage of it in Forms would be:

label.FontFamily = Device.OnPlatform(
    iOS: "B Tabassom",
    Android: "DroidSansArabic.ttf#DroidSansArabic",
    WinPhone: null
);

由于周围有许多DroidSansArabic.ttf，请通过在macOS的字体簿"中打开ttf并查看标题栏来验证您的字体系列名称是什么.

As there are a number of DroidSansArabic.ttf floating around, verify what your font family name is by opening the ttf in macOS's Font Book and looking at the title bar:

如果您的macOS已经安装了它，请查看名称列:

If your macOS has it already installed, look in the name column:

更新:您还用UIAppFonts键输入了错误的.plist，它出现在Info.plist中:

Update: You also the UIAppFonts key in the wrong .plist, it goes in the Info.plist:

<key>UIAppFonts</key>
        <array>
                <string>DroidSansArabic.ttf</string>
        </array>
</dict>

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