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@@ -0,0 +1,334 @@
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+/** 本地存储：为 true 时用系统浏览器打开链接，否则用内置 WebView */
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+export const OPEN_URL_IN_SYSTEM_BROWSER_KEY = 'open_url_in_system_browser'
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+
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+/** 是否已做过「首次启动弱机默认」检测（全应用仅一次） */
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+export const OPEN_URL_DEVICE_DEFAULT_APPLIED_KEY = 'open_url_device_default_applied'
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+
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+/** 用户在「应用设置」里手动改过开关后为 true，不再自动覆盖 */
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+export const OPEN_URL_USER_EXPLICIT_SET_KEY = 'open_url_user_explicit_set'
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+
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+/** 首次/刷新时写入的检测结果（JSON） */
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+export const OPEN_URL_DEVICE_SNAPSHOT_KEY = 'open_url_device_snapshot'
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+
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+/** Android 12 对应 API 31 */
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+const ANDROID_12_API_LEVEL = 31
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+/** 物理内存低于此值（GB）视为弱机，默认用系统浏览器打开链接 */
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+const WEAK_DEVICE_RAM_GB = 8
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+
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+/**
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+ * Java Long / 任意桥接值为字节数
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+ * @param {*} v
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+ * @returns {number}
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+ */
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+function javaLongishToNumber(v) {
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+ if (v == null || v === undefined) return 0
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+ if (typeof v === 'number' && Number.isFinite(v)) return v
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+ if (typeof v === 'string') {
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+ const n = parseFloat(v)
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+ return Number.isFinite(n) ? n : 0
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+ }
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+ try {
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+ if (typeof plus !== 'undefined' && plus.android && plus.android.invoke) {
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+ const lv = plus.android.invoke(v, 'longValue')
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+ if (typeof lv === 'number' && Number.isFinite(lv)) return lv
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+ }
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+ } catch (e) {}
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+ try {
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+ const n = Number(v)
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+ return Number.isFinite(n) ? n : 0
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+ } catch (e2) {}
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+ return 0
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+}
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+
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+/**
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+ * 读取 /proc/meminfo 中 MemTotal（kB）换算为字节（多数机型可用，作 ActivityManager 失败时的回退）
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+ * @returns {number}
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+ */
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+function readMemTotalBytesFromProc() {
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+ // #ifdef APP-PLUS
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+ let br = null
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+ try {
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+ const FileReader = plus.android.importClass('java.io.FileReader')
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+ const BufferedReader = plus.android.importClass('java.io.BufferedReader')
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+ const fr = new FileReader('/proc/meminfo')
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+ br = new BufferedReader(fr)
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+ let line = br.readLine()
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+ let guard = 0
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+ while (line != null && guard < 400) {
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+ guard++
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+ const s = String(line)
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+ if (s.indexOf('MemTotal:') === 0) {
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+ const parts = s.trim().split(/\s+/)
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+ const kb = parseInt(parts[1], 10)
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+ if (Number.isFinite(kb) && kb > 0) return kb * 1024
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+ return 0
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+ }
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+ line = br.readLine()
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+ }
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+ } catch (e) {
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+ } finally {
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+ try {
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+ if (br) br.close()
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+ } catch (e2) {}
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+ }
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+ // #endif
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+ return 0
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+}
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+
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+/**
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+ * 物理内存总字节数（Android App）
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+ * @returns {{ bytes: number, source: string }}
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+ */
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+function readAndroidTotalRamBytes() {
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+ const empty = { bytes: 0, source: '' }
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+ // #ifdef APP-PLUS
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+ try {
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+ const main = plus.android.runtimeMainActivity()
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+ const ActivityManager = plus.android.importClass('android.app.ActivityManager')
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+ const Context = plus.android.importClass('android.content.Context')
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+ const MemoryInfo = plus.android.importClass('android.app.ActivityManager$MemoryInfo')
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+ const am = main.getSystemService(Context.ACTIVITY_SERVICE)
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+ const memInfo = new MemoryInfo()
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+
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+ try {
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+ plus.android.invoke(am, 'getMemoryInfo', memInfo)
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+ } catch (e) {
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+ try {
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+ am.getMemoryInfo(memInfo)
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+ } catch (e2) {}
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+ }
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+
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+ let raw = null
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+ try {
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+ raw = plus.android.invoke(memInfo, 'totalMem')
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+ } catch (e) {}
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+ if (raw == null || raw === undefined) {
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+ try {
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+ raw = memInfo.totalMem
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+ } catch (e2) {}
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+ }
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+
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+ const fromAm = javaLongishToNumber(raw)
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+ if (fromAm > 0) return { bytes: fromAm, source: 'ActivityManager' }
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+
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+ const fromProc = readMemTotalBytesFromProc()
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+ if (fromProc > 0) return { bytes: fromProc, source: '/proc/meminfo' }
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+
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+ return empty
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+ } catch (e) {
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+ const fromProc = readMemTotalBytesFromProc()
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+ if (fromProc > 0) return { bytes: fromProc, source: '/proc/meminfo' }
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+ return empty
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+ }
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+ // #endif
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+ return empty
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+}
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+
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+/**
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+ * 读取 Android 设备信息（App 端）。用于快照与弱机判断。
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+ * @returns {object|null}
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+ */
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+function collectAndroidSnapshot() {
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+ // #ifdef APP-PLUS
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+ try {
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+ if (uni.getSystemInfoSync().platform !== 'android') return null
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+
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+ const out = {
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+ platform: 'android',
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+ at: Date.now(),
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+ androidSdkInt: null,
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+ androidRelease: '',
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+ totalRamBytes: null,
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+ totalRamGb: null,
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+ ramSource: '',
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+ weakOs: false,
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+ weakRam: false,
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+ weakDevice: false
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+ }
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+
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+ const VERSION = plus.android.importClass('android.os.Build$VERSION')
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+ out.androidSdkInt = Number(VERSION.SDK_INT)
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+ out.androidRelease = String(VERSION.RELEASE || '')
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+ out.weakOs = out.androidSdkInt < ANDROID_12_API_LEVEL
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+
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+ const ram = readAndroidTotalRamBytes()
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+ if (ram.bytes > 0) {
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+ out.totalRamBytes = ram.bytes
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+ out.totalRamGb = Math.round((ram.bytes / (1024 * 1024 * 1024)) * 100) / 100
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+ out.weakRam = out.totalRamGb < WEAK_DEVICE_RAM_GB
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+ out.ramSource = ram.source || ''
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+ }
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+
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+ out.weakDevice = !!(out.weakOs || out.weakRam)
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+ return out
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+ } catch (e) {
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+ return {
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+ platform: 'android',
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+ at: Date.now(),
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+ error: String((e && e.message) || e)
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+ }
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+ }
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+ // #endif
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+ return null
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+}
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+
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+function persistSnapshot(snap) {
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+ if (!snap) return
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+ try {
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+ uni.setStorageSync(OPEN_URL_DEVICE_SNAPSHOT_KEY, JSON.stringify(snap))
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+ } catch (e) {}
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+}
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+
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+/**
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+ * 供应用设置页展示多行说明
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+ * @param {object|null} s getOpenUrlDeviceSnapshot() 返回值
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+ * @returns {string[]}
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+ */
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+export function formatOpenUrlDeviceSnapshotLines(s) {
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+ if (!s || typeof s !== 'object') return []
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+ if (s.platform === 'android') {
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+ const lines = ['本机检测（已保存；进入本页会刷新内存与系统信息）']
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+ if (s.androidSdkInt != null) {
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+ lines.push(`Android API：${s.androidSdkInt}（低于 31 视为系统版本偏低）`)
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+ }
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+ lines.push(`Android 版本：${s.androidRelease || '—'}`)
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+ if (s.totalRamGb != null) {
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+ const src = s.ramSource ? `，来源：${s.ramSource}` : ''
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+ lines.push(`物理内存：约 ${s.totalRamGb} GB（低于 8 GB 视为内存偏低）${src}`)
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+ } else {
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+ lines.push('物理内存：未能读取（ActivityManager 与 /proc/meminfo 均失败）')
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+ }
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+ lines.push(`弱机判定：${s.weakDevice ? '是' : '否'}（系统偏低或内存偏低）`)
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+ if (s.error) lines.push(`读取异常：${s.error}`)
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+ return lines
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+ }
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+ if (s.note) return [String(s.note)]
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+ return []
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+}
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+
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+/**
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+ * 进入应用设置等页面时刷新并保存检测快照（不改变首次默认逻辑）。
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+ */
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+export function refreshAndroidOpenUrlDeviceSnapshot() {
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+ // #ifdef APP-PLUS
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+ const snap = collectAndroidSnapshot()
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+ persistSnapshot(snap)
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+ // #endif
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+}
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+
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+/**
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+ * @returns {object|null}
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+ */
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+export function getOpenUrlDeviceSnapshot() {
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+ try {
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+ const raw = uni.getStorageSync(OPEN_URL_DEVICE_SNAPSHOT_KEY)
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+ if (raw == null || raw === '') return null
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+ if (typeof raw === 'object') return raw
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+ return JSON.parse(String(raw))
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+ } catch (e) {
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+ return null
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+ }
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+}
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+
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+function userHasExplicitOpenUrlPreference() {
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+ try {
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+ return !!uni.getStorageSync(OPEN_URL_USER_EXPLICIT_SET_KEY)
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+ } catch (e) {
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+ return false
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+ }
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+}
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+
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+/**
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+ * 应用首次启动执行一次（见 App.vue onLaunch）：
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+ * 仅 Android：系统版本低于 12 或物理内存低于 8GB 时，若用户未在设置里手动改过，则默认开启「用手机浏览器打开」。
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+ */
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+export function maybeApplyAndroidWeakDeviceOpenUrlDefault() {
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+ // #ifdef APP-PLUS
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+ try {
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+ if (uni.getStorageSync(OPEN_URL_DEVICE_DEFAULT_APPLIED_KEY)) return
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+
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+ const platform = uni.getSystemInfoSync().platform
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+ if (platform !== 'android') {
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+ try {
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+ uni.setStorageSync(OPEN_URL_DEVICE_SNAPSHOT_KEY, JSON.stringify({
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+ platform,
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+ at: Date.now(),
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+ note: '弱机默认仅 Android 检测'
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+ }))
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+ } catch (e) {}
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+ uni.setStorageSync(OPEN_URL_DEVICE_DEFAULT_APPLIED_KEY, true)
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+ return
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+ }
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+
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+ const snap = collectAndroidSnapshot()
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+ persistSnapshot(snap)
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+
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+ const weak =
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+ snap &&
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+ !snap.error &&
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+ (snap.weakOs || snap.weakRam)
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+
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+ if (weak && !userHasExplicitOpenUrlPreference()) {
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+ setOpenUrlInSystemBrowser(true)
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+ }
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+ uni.setStorageSync(OPEN_URL_DEVICE_DEFAULT_APPLIED_KEY, true)
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+ } catch (e) {
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+ try {
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+ uni.setStorageSync(OPEN_URL_DEVICE_DEFAULT_APPLIED_KEY, true)
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+ } catch (e2) {}
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+ }
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+ // #endif
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+}
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+
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+export function getOpenUrlInSystemBrowser() {
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+ try {
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+ const v = uni.getStorageSync(OPEN_URL_IN_SYSTEM_BROWSER_KEY)
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+ return v === true || v === 'true' || v === 1
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+ } catch (e) {
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+ return false
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+ }
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+}
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+
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+/**
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+ * @param {boolean} value
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+ * @param {{ fromUser?: boolean }} [options] fromUser 为 true 时表示用户在应用设置中操作，之后不再被弱机默认覆盖
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+ */
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+export function setOpenUrlInSystemBrowser(value, options) {
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+ try {
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+ uni.setStorageSync(OPEN_URL_IN_SYSTEM_BROWSER_KEY, !!value)
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+ if (options && options.fromUser) {
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+ uni.setStorageSync(OPEN_URL_USER_EXPLICIT_SET_KEY, true)
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+ }
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+ } catch (e) {}
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+}
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+
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+/**
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+ * 按用户偏好：系统浏览器或内置 WebView。
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+ * @param {string} url
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+ * @param {string} [title] 内置 WebView 标题
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+ */
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+export function openEmbeddedOrSystemBrowser(url, title) {
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+ const u = String(url || '').trim()
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+ if (!u) return
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+ const encTitle = encodeURIComponent(title || '页面')
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+ const pageUrl =
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+ '/pages/webview/index?url=' + encodeURIComponent(u) + '&title=' + encTitle
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+
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+ if (getOpenUrlInSystemBrowser()) {
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+ // #ifdef APP-PLUS
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+ try {
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+ if (typeof plus !== 'undefined' && plus.runtime && typeof plus.runtime.openURL === 'function') {
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+ plus.runtime.openURL(u)
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+ return
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+ }
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+ } catch (e) {}
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+ // #endif
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+ // #ifdef H5
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+ if (typeof window !== 'undefined' && typeof window.open === 'function') {
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+ window.open(u, '_blank')
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+ return
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+ }
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+ // #endif
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+ }
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+ uni.navigateTo({ url: pageUrl })
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+}
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liuq