修改启动白屏

main.js

@@ -29,7 +29,7 @@ export function createApp() {
 	app.config.globalProperties.$system = plus.os.name;
 	// #endif
 	app.config.globalProperties.$systemInfo = systemInfo
-	uni.setStorageSync('version', '1.0.4.sp17')
+	uni.setStorageSync('version', '1.0.4.sp21')
 	app.config.globalProperties.$version = uni.getStorageSync('version')
 	app.use(globalMethods);
 	return {

pages/index/index.nvue

@@ -1,9 +1,9 @@
 <template>
 	<view class="container" :style="{ height: data.windowHeight + 'px' }">
-		<image class="index-bg-img" :style="{ width: windowWidth + 'px' }" src="/static/image/index/index-bg.png"
+		<image v-if="isReady" class="index-bg-img" :style="{ width: windowWidth + 'px' }"
-			mode="widthFix">
+			src="/static/image/index/index-bg.png" mode="widthFix">
 		</image>
-		<view class="nav-bar-box" :style="{ backgroundColor: data.navBarBgColor }">
+		<view v-if="isReady" class="nav-bar-box" :style="{ backgroundColor: data.navBarBgColor }">
 			<view class="status-box" :style="{ height: statusBarHeight + 'px' }"></view>
 			<view class="nav-box">
 				<view class="left-box" @click="exit" @tap="exit" @touchstart.stop="exit">
@@ -15,7 +15,7 @@
 			</view>
 
 		</view>
-		<view class="content-box" :style="{ height: windowHeight + 'px' }">
+		<view v-if="isReady" class="content-box" :style="{ height: windowHeight + 'px' }">
 			<scroll-view scroll-y="true" class="scroll-view"
 				:style="{ height: (windowHeight - statusBarHeight - 44) + 'px', marginTop: (statusBarHeight + 44) + 'px' }"
 				@scroll="handleScroll">
@@ -39,7 +39,7 @@
 							:src="`/static/image/index/${userInfo.vip > 1 ? (userInfo.vip == 3 ? 'lifetime-vip-bg' : 'vip-bg') : 'no-vip-bg'}.png`"
 							mode=""></image>
 						<view class="user-info-box" :style="{ width: (windowWidth - 32) + 'px' }">
-							<image class="user-avatar" :src="userInfo.avater"></image>
+							<image v-if="userInfo.avater" class="user-avatar" :src="userInfo.avater"></image>
 							<view class="user-info">
 								<view class="name-box">
 									<text class="phone-text">ID：{{ userInfo.user_id }}</text>
@@ -161,12 +161,11 @@ import {
 } from '@dcloudio/uni-app';
 
 onReady(() => {
-	// NVUE 挂载极快，但给它 100~200ms 的喘息让原生视图确认渲染
 	setTimeout(() => {
 		// #ifdef APP-PLUS
 		plus.navigator.closeSplashscreen();
 		// #endif
-	}, 150);
+	}, 500);
 });
 
 // 内部埋点方法
@@ -292,10 +291,11 @@ const otherList = [{
 ]
 
 const data = reactive({
+	isReady: false,
 	navBarBgColor: 'transparent',
 	statusBarHeight: 0,
-	windowWidth: 0,
+	windowWidth: 390, // 防0导致初次Weex负数高度白屏崩溃
-	windowHeight: 0,
+	windowHeight: 844, // 防0导致初次Weex负数高度白屏崩溃
 	userInfo: {},
 	videoHelpList: [],
 	noticeInfo: {},
@@ -305,6 +305,7 @@ const data = reactive({
 })
 
 const {
+	isReady,
 	statusBarHeight,
 	windowWidth,
 	windowHeight,
@@ -336,21 +337,41 @@ onLoad(async () => {
 	data.vision = uni.getStorageSync('version')
 })
 
+const updateSystemSize = () => {
+	try {
+		const systemInfo = uni.getSystemInfoSync();
+		// 防止安卓宿主中首次热更新进入，短暂状态下获取宽高均为0导致的白屏bug
+		if (systemInfo.windowHeight > 0 && systemInfo.windowWidth > 0) {
+			data.statusBarHeight = systemInfo.statusBarHeight;
+			data.windowWidth = systemInfo.windowWidth;
+			data.windowHeight = systemInfo.windowHeight;
+
+			// 针对部分小米/底层ROM的顽疾：
+			// 强制延迟挂载超重DOM，让其宿主完全完成测绘后再放入节点，避免Weex渲染主线程卡死白屏
+			setTimeout(() => {
+				data.isReady = true;
+			}, 300);
+		} else {
+			// 未获取到正常宽高，延迟再次进行重试
+			setTimeout(updateSystemSize, 100);
+		}
+	} catch (error) {
+		setTimeout(updateSystemSize, 100);
+	}
+}
+
 onShow(() => {
 	// 启动时获取数据
 	fetchUserData()
 	// 每次显示时刷新数据
 	setUserData()
-	// 获取系统信息
+	// 循环检测更新真实屏幕宽高
-	const systemInfo = uni.getSystemInfoSync();
+	updateSystemSize();
-	data.statusBarHeight = systemInfo.statusBarHeight;
-	data.windowWidth = systemInfo.windowWidth;
-	data.windowHeight = systemInfo.windowHeight;
 	// #ifdef APP-PLUS
-	util.setAndroidSystemBarColor('#F0F4F9')
 	setTimeout(() => {
-		plus.navigator.setStatusBarStyle("dark");
+		// util.setAndroidSystemBarColor('#F0F4F9');
-	}, 500)
+		// plus.navigator.setStatusBarStyle("dark");
+	}, 800);
 	// #endif
 })
 
@@ -434,7 +455,7 @@ const setUserData = () => {
 	const userInfoData = storage.get("userInfo")
 	data.userInfo = userInfoData || {
 		user_id: '加载中...',
-		avater: '/static/default-avatar.png',
+		avater: '',
 		vip: 0,
 		vip_expire: ''
 	}