[英]Font is not loading on either IOS or Android
It says I can use Expo.Apploading but I have no idea about that.
它说我可以使用 Expo.Apploading 但我对此一无所知。 If someone could help it would be great.
如果有人可以提供帮助,那就太好了。 This happens in either of device I am running.
这发生在我正在运行的任一设备中。 Below is code for App.js
下面是 App.js 的代码
import React, {useState}from 'react';
import {Text, View } from 'react-native';
import *as Font from 'expo-font';
import {AppLoading} from 'expo';
import {enableScreens} from 'react-native-screens';
import EstesGuideNavigator from './navigation/EstesGuideNavigator';
enableScreens(); // useScreens has been changed to enableScreens - this helps screens load faster in background
const fetchFonts = () => { //fetching costum fonts for my app using Async
Font.loadAsync({
'raleway-blackItalic' : require('./assets/fonts/Raleway-BlackItalic.ttf'),
'raleway-bold' : require('./assets/fonts/Raleway-Bold.ttf'),
'raleway-regular' : require('./assets/fonts/Raleway-Regular.ttf'),
'raleway-thin' : require('./assets/fonts/Raleway-Thin.ttf')
});
};
export default function App() {
const [fontLoaded, setFontLoaded] = useState(false); //initially it's false because app hasn't been loaded
if (!fontLoaded) {
return(
<AppLoading
startAsync = {fetchFonts}
onFinish = {() => setFontLoaded(true) }
/> //if assets(fonts here) is not loaded we display loading screen and load assets for app
);
}
return <EstesGuideNavigator/>;
}
I don't know what's wrong but this is how i handle my font loading, Works perfectly我不知道出了什么问题,但这就是我处理字体加载的方式,完美运行
import { AppLoading } from "expo";
import { Asset } from "expo-asset";
import * as Font from "expo-font";
import React, { useState } from "react";
import { Platform, StatusBar, StyleSheet, View } from "react-native";
import { Ionicons } from "@expo/vector-icons";
import AppNavigator from "./navigation/AppNavigator";
export default function App(props) {
const [isLoadingComplete, setLoadingComplete] = useState(false);
if (!isLoadingComplete && !props.skipLoadingScreen) {
return (
<AppLoading
startAsync={loadResourcesAsync}
onError={handleLoadingError}
onFinish={() => handleFinishLoading(setLoadingComplete)}
/>
);
} else {
return (
<View style={styles.container}>
{Platform.OS === "ios" && <StatusBar barStyle="default" />}
<AppNavigator />
</View>
);
}
}
async function loadResourcesAsync() {
await Promise.all([
Asset.loadAsync([
require("./assets/images/tick.png"),
require("./assets/images/error.png")
]),
Font.loadAsync({
// This is the font that we are using for our tab bar
...Ionicons.font,
// We include SpaceMono because we use it in HomeScreen.js. Feel free to
// remove this if you are not using it in your app
"space-mono": require("./assets/fonts/SpaceMono-Regular.ttf"),
"Gilroy-Bold": require("./assets/fonts/Gilroy-Bold.otf"),
"Gilroy-Medium": require("./assets/fonts/Gilroy-Medium.otf"),
"Gilroy-Heavy": require("./assets/fonts/Gilroy-Heavy.otf")
})
]);
}
function handleLoadingError(error) {
// In this case, you might want to report the error to your error reporting
// service, for example Sentry
console.warn(error);
}
function handleFinishLoading(setLoadingComplete) {
setLoadingComplete(true);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: "#fff"
}
});
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