import Context from "android.content.Context"; import { getAppContext,getUniActivity } from "io.dcloud.uts.android"; import WifiManager from "android.net.wifi.WifiManager"; import Manifest from "android.Manifest"; import PackageManager from "android.content.pm.PackageManager"; import ScanResult from "android.net.wifi.ScanResult"; import BroadcastReceiver from "android.content.BroadcastReceiver"; import ActivityCompat from "androidx.core.app.ActivityCompat"; import Toast from "android.widget.Toast"; import IntentFilter from "android.content.IntentFilter"; import Gson from "com.google.gson.Gson"; import JSONObject from "com.alibaba.fastjson.JSONObject"; import Intent from "android.content.Intent"; /** * Wifi 函数通用入参封装 */ type WifiOption = { success?: (res: object) => void; fail?: (res: object) => void; complete?: (res: object) => void; }; /** * Wifi信息统一数据结构 */ class UniWifiInfo { SSID:String = ""; BSSID:String = ""; secure:boolean = false; signalStrength:Number = 0; frequency:Number = 0; constructor(scanResult?:ScanResult){ if(scanResult != null){ // 如果是通过扫描列表得到的数据，进行封装 this.BSSID = scanResult.BSSID; this.SSID = scanResult.SSID; this.signalStrength = scanResult.level; this.frequency = scanResult.frequency; // 是否安全，微信的标准是是否需要密码。 来源:https://developers.weixin.qq.com/community/develop/doc/00064cf1790458db19cddf9925ac00?highLine=WifiInfo this.secure = false; let capabilities = scanResult.capabilities.trim(); if (capabilities != null && (capabilities.equals(Global.WIFI_AUTH_OPEN) || capabilities.equals(Global.WIFI_AUTH_ROAM))) { this.secure = false; }else{ this.secure = true; } } } } /** * 获取当前链接的wifi信息 */ type GetConnectedWifiOptions = { partialInfo?:boolean success?: (res: UTSJSONObject) => void fail?: (res: UTSJSONObject) => void complete?: (res: UTSJSONObject) => void } /** * 全局数据储存 */ class Global{ static mReceiver?:CustomBroadcastReceiver = null; static scanList:UniWifiInfo[] = [] static WIFI_AUTH_OPEN:String = ""; static WIFI_AUTH_ROAM:String = "[ESS]"; static getWifiListCallbackList:UTSCallback[] = [] } /** * 自定义wifi变化广播监听器 */ class CustomBroadcastReceiver extends BroadcastReceiver{ mWifiManager?:WifiManager = null; constructor(wifiManager: WifiManager){ super(); this.mWifiManager = wifiManager; } override onReceive(context: Context, intent: Intent) :void { if (intent.action == WifiManager.SCAN_RESULTS_AVAILABLE_ACTION) { let results = mWifiManager!.scanResults; if (results != null) { Global.scanList = [] for(scanResult in results){ if(scanResult.SSID == null){ continue; } Global.scanList.add(new UniWifiInfo(scanResult)); } // 挨个通知，所有的监听器 for(perCallback in Global.getWifiListCallbackList){ const data = new JSONObject(); let mainJsonStr = Gson().toJson(Global.scanList); data["wifiList"] = mainJsonStr perCallback(data); } } } } } /************************* 下面是对外提供的函数 *************************/ /** * 获取wifi列表 */ export function getWifiList(option:WifiOption) { let wifiManager: WifiManager = getAppContext()!.getSystemService(Context.WIFI_SERVICE) as WifiManager wifiManager.startScan() let ret = { errNo:0, errCode:0, errMsg:"getWifiList:ok" } option?.success?.(ret) option?.complete?.(ret) } /** * 注册Wifi列表的监听事件 */ export function onGetWifiList(callback: UTSCallback) { Global.getWifiListCallbackList.push(callback) } /** * 取消注册Wifi列表的监听事件 */ export function offGetWifiList(callback: UTSCallback) { let callbackIndex = Global.getWifiListCallbackList.indexOf(callback) if(callbackIndex > 0){ Global.getWifiListCallbackList.splice(callbackIndex, 1); } } /** * 开启wifi */ export function startWifi(option:WifiOption) { // 需要先开启wifi,才能使用后续的功能 let requestCode = 1001; let permissionWifi = arrayOf("android.permission.ACCESS_FINE_LOCATION"); // 检查权限 if (ActivityCompat.checkSelfPermission(getUniActivity()!, Manifest.permission.ACCESS_FINE_LOCATION)!= PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(getUniActivity()!, permissionWifi, requestCode) // 尚不具备权限，返回错误 var result = { errNo:0, errCode:0, errMsg:"startWifi:premission loss" } option.fail?.(result) option.complete?.(result) return; } // 具备了权限，继续前进 let wifiManager: WifiManager = getAppContext()!.getSystemService(Context.WIFI_SERVICE) as WifiManager if (Global.mReceiver == null) { Global.mReceiver = new CustomBroadcastReceiver(wifiManager) } let filter = new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION) getUniActivity()!.registerReceiver(Global.mReceiver, filter) wifiManager.startScan() var result = { errNo:0, errCode:0, errMsg:"startWifi:ok" } option.success?.(result) option.complete?.(result) } /** * 关闭wifi */ export function stopWifi(option:WifiOption) { // 需要先开启wifi,才能使用后续的功能 if (Global.mReceiver == null) { var result = { errNo:12000, errCode:12000, errMsg:"stopWifi:not init" } option.fail?.(result) option.complete?.(result) return } getUniActivity()!.unregisterReceiver(Global.mReceiver) var result = { errNo:0, errCode:0, errMsg:"stopWifi:ok" } option.success?.(result) option.complete?.(result) } /** * 获取当前连接中的wifi信息 */ export function getConnectedWifi(option: GetConnectedWifiOptions) { console.log(option); let WifiInfo = new UniWifiInfo(null) let res = { errMsg: 'getConnectedWifi:fail. please check permission about location or enable wifi or connect wifi', errCode: -1, wifi: WifiInfo } if (ActivityCompat.checkSelfPermission(getUniActivity()!, Manifest.permission.ACCESS_FINE_LOCATION)!= PackageManager.PERMISSION_GRANTED) { // 尚不具备权限，返回错误 option.fail?.(res) option.complete?.(res) return; } // TODO 应该try catch一下，把系统的错误码给返回来，然后和微信的错误码拉齐 // 需要先校验权限，没有位置权限无法获取wifi const context = getAppContext(); if (context != null) { const wm = context.getSystemService( Context.WIFI_SERVICE ) as WifiManager; const winfo = wm.getConnectionInfo(); // TODO 这个方法在Android12标记为已废弃。替代方法还没找到 if (winfo != null) { let s = winfo.getSSID(); // 微信不带，这里需要去掉 if (s.length > 2 && s.charAt(0) == '"' && s.charAt(s.length - 1) == '"') { s = s.substring(1, s.length - 1); } WifiInfo.SSID = s; WifiInfo.BSSID = winfo.getBSSID(); WifiInfo.signalStrength = winfo.getRssi()+100; //Android返回的值是-100~0，而微信API规范是0~100，值越大信号越好，需要+100拉齐 WifiInfo.frequency = winfo.getFrequency(); // WifiInfo.macAddress = winfo.getMacAddress(); //注意此代码涉及隐私，首先需要配置权限，没有权限会返回"02:00:00:00:00:00"；然后需要在隐私协议中声明用途。如不需要，可注释掉本行 res.errCode = 0 res.errMsg = "getConnectedWifi:ok" res.wifi = WifiInfo; option.success?.(res) option.complete?.(res) return } } option.fail?.(res) option.complete?.(res) }