• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1/*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import hilog from '../model/Logger'
17import { WifiView } from '../component/WifiView'
18import wifi from '@ohos.wifiManager'
19
20const TAG = 'AvailableWiFi'
21let self: AvailableWifi | null = null;
22@Entry
23@Component
24export struct AvailableWifi {
25  @State wifilist: Array<wifi.WifiScanInfo> = []
26  @State wifilisttest: Array<wifi.WifiScanInfo> = []
27  @State isSwitchOn: boolean = false;
28  private linkedInfo: wifi.WifiLinkedInfo | null = null;
29  @State isLinked: boolean = false;
30
31  // 扫描wifi
32  async getScanInfos() {
33    // 不停地扫描wifi
34    let result: wifi.WifiScanInfo[] = await wifi.getScanInfoList();
35
36    if (this.isSwitchOn) {
37      setTimeout(async () => {
38        this.wifilist = result
39        await this.getScanInfos();
40      }, 3000)
41    }
42  }
43
44  addListener() {
45      // 连接状态改变时，修改连接信息
46      wifi.on('wifiConnectionChange', async state => {
47        hilog.info(TAG, `wifiConnectionChange: ${state}`);
48        await this.getLinkedInfo();
49      })
50    // wifi状态改变时，先清空wifi列表，然后判断是否是开启状态，如果是就扫描
51    wifi.on('wifiStateChange', state => {
52      hilog.info(TAG, `wifiStateLisener state: ${state}`);
53      if (state === 1) { // 1: wifi is enable, 0:wifi is disable
54        this.isSwitchOn = true;
55        this.getScanInfos();
56      }
57      if (state === 0) { // 1: wifi is enable, 0:wifi is disable
58        this.isSwitchOn = false;
59      }
60    })
61  }
62
63  async getLinkedInfo() {
64    try {
65      let wifiLinkedInfo = await wifi.getLinkedInfo();
66      if (wifiLinkedInfo === null || wifiLinkedInfo.bssid === '') {
67        this.isLinked = false;
68        this.linkedInfo = null;
69        return;
70      }
71      this.isLinked = true;
72      this.linkedInfo = wifiLinkedInfo;
73    } catch (err) {
74      hilog.info(`getLinkedInfo failed err is ${JSON.stringify(err)}`);
75    }
76  }
77
78  aboutToAppear() {
79    if (wifi.isWifiActive()) {
80      hilog.info(TAG, 'wifi is active');
81      this.isSwitchOn = true;
82      this.getScanInfos();
83      this.getLinkedInfo();
84    }
85    hilog.info(TAG, 'wifi is disabled');
86    // 启动监听
87    this.addListener();
88  }
89
90  aboutToDisappear() {
91    wifi.off('wifiConnectionChange');
92    wifi.off('wifiStateChange');
93  }
94
95  build() {
96    Column() {
97      Row() {
98        Text($r('app.string.wlan'))
99          .fontSize(22)
100          .fontWeight(FontWeight.Bold)
101          .height(40)
102        Column() {
103          Toggle({ type: ToggleType.Switch, isOn: this.isSwitchOn })
104            .id('switch')
105            .onChange((isOn: boolean) => {
106              hilog.info(`wifi swtich is: ${isOn}`);
107              this.wifilist = this.wifilisttest
108            })
109        }
110      }
111      .width('100%')
112      .padding({ left: 16, right: 16 })
113
114      List({ space: 5 }) {
115        ForEach(this.isSwitchOn ? this.wifilist : this.wifilisttest, (wifiItem: wifi.WifiScanInfo) => {
116          ListItem() {
117            WifiView({ wifi: wifiItem })
118          }
119        }, (wifiItem: wifi.WifiScanInfo) => JSON.stringify(wifiItem));
120      }
121    }
122    .width('100%')
123    .height('100%')
124    .backgroundColor($r('app.color.index_bg'))
125  }
126}