88 lines
2.2 KiB
TypeScript
88 lines
2.2 KiB
TypeScript
/**
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* Sample React Native App
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* https://github.com/facebook/react-native
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*
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* @format
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*/
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import React, {useState, useEffect} from 'react';
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import Navigation from './src/navigation';
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import {ThemeProvider} from './src/contexts/ThemeContext';
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import MaterialIcons from 'react-native-vector-icons/MaterialIcons';
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import {View, Text, ActivityIndicator, StyleSheet} from 'react-native';
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function App(): JSX.Element {
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const [fontLoaded, setFontLoaded] = useState(false);
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const [fontError, setFontError] = useState<string | null>(null);
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useEffect(() => {
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const loadFont = async () => {
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try {
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// 先检查字体是否已加载
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const isLoaded = await MaterialIcons.hasIcon('home');
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if (!isLoaded) {
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console.log('Material Icons not loaded. Loading now...');
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await MaterialIcons.loadFont();
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}
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// 确认字体是否加载成功
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const fontName = MaterialIcons.getFontFamily();
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console.log(`Font loaded successfully: ${fontName}`);
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setFontLoaded(true);
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} catch (error) {
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console.error('Font loading failed:', error);
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setFontError('Failed to load icon fonts');
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}
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};
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// 加入延迟以解决模拟器启动时的问题
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const timeout = setTimeout(() => {
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loadFont();
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}, 500);
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return () => clearTimeout(timeout);
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}, []);
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// 显示加载状态或错误信息
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if (!fontLoaded || fontError) {
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return (
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<View style={styles.container}>
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<ActivityIndicator size="large" />
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<Text style={styles.statusText}>{fontError || 'Loading icons...'}</Text>
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<Text style={styles.debugText}>
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Using MaterialIcons font family: {MaterialIcons.getFontFamily()}
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</Text>
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</View>
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);
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}
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return (
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<ThemeProvider>
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<Navigation />
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</ThemeProvider>
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);
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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justifyContent: 'center',
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alignItems: 'center',
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backgroundColor: '#f5f5f5',
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},
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statusText: {
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marginTop: 20,
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fontSize: 16,
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color: '#333',
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},
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debugText: {
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marginTop: 10,
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fontSize: 12,
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color: '#666',
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fontFamily: 'monospace',
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},
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});
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export default App;
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