@ohos.telephony.observer (电话服务状态监听)

import { observer } from '@kit.TelephonyKit';

try {
    observer.on('networkStateChange', (data: observer.NetworkState) => {
        console.info("on networkStateChange, data:" + JSON.stringify(data));
    });
} catch (err) {
    console.error(`observer.on networkStateChange failed: ${JSON.stringify(err)}`);
}

// 设置订阅参数，指定卡槽ID为0（卡槽1）
let options: observer.ObserverOptions = {
    slotId: 0
}
// 订阅指定卡槽的网络状态变化事件
observer.on('networkStateChange', options, (data: observer.NetworkState) => {
    console.info("on networkStateChange, data:" + JSON.stringify(data));
});

let callback: (data: observer.NetworkState) => void = (data: observer.NetworkState) => {
    console.info("on networkStateChange, data:" + JSON.stringify(data));
}
observer.on('networkStateChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('networkStateChange', callback);
observer.off('networkStateChange');

import { radio } from '@kit.TelephonyKit';

observer.on('signalInfoChange', (data: Array<radio.SignalInformation>) => {
    console.info("on signalInfoChange, data:" + JSON.stringify(data));
});

import { radio } from '@kit.TelephonyKit';

let options: observer.ObserverOptions = {
    slotId: 0
}
observer.on('signalInfoChange', options, (data: Array<radio.SignalInformation>) => {
    console.info("on signalInfoChange, data:" + JSON.stringify(data));
});

import { radio } from '@kit.TelephonyKit';

let callback: (data: Array<radio.SignalInformation>) => void = (data: Array<radio.SignalInformation>) => {
    console.info("on signalInfoChange, data:" + JSON.stringify(data));
}
observer.on('signalInfoChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('signalInfoChange', callback);
observer.off('signalInfoChange');

observer.on('callStateChange', (data: observer.CallStateInfo) => {
    console.info("on callStateChange, data:" + JSON.stringify(data));
});

let options: observer.ObserverOptions = {
    slotId: 0
}
observer.on('callStateChange', options, (data: observer.CallStateInfo) => {
    console.info("on callStateChange, data:" + JSON.stringify(data));
});

let callback: (data: observer.CallStateInfo) => void = (data: observer.CallStateInfo) => {
    console.info("on callStateChange, data:" + JSON.stringify(data));
}
observer.on('callStateChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('callStateChange', callback);
observer.off('callStateChange');

import { call } from '@kit.TelephonyKit';

// 定义通话状态变化拓展事件回调
let callback: (data: call.TelCallState) => void = (data: call.TelCallState) => {
    console.info("on callStateChangeEx, data:" + JSON.stringify(data));
}
// 设置订阅参数，指定卡槽ID
let options: observer.ObserverOptions = {
    slotId: 0
}

try {
    // 订阅通话状态变化拓展事件（指定卡槽）
    observer.on('callStateChangeEx', callback, options);
    // 订阅通话状态变化拓展事件（不指定卡槽，监听所有卡槽）
    observer.on('callStateChangeEx', callback);
} catch (err) {
    console.error(`observer.on callStateChangeEx failed: ${JSON.stringify(err)}`);
}

import { call } from '@kit.TelephonyKit';
let callback: (data: call.TelCallState) => void = (data: call.TelCallState) => {
    console.info("on callStateChangeEx, data:" + JSON.stringify(data));
}
observer.on('callStateChangeEx', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('callStateChangeEx', callback);
observer.off('callStateChangeEx');

observer.on('cellularDataConnectionStateChange', (data: observer.DataConnectionStateInfo) => {
    console.info("on cellularDataConnectionStateChange, data:" + JSON.stringify(data));
});

let options: observer.ObserverOptions = {
    slotId: 0
}
observer.on('cellularDataConnectionStateChange', options, (data: observer.DataConnectionStateInfo) => {
    console.info("on cellularDataConnectionStateChange, data:" + JSON.stringify(data));
});

let callback: (data: observer.DataConnectionStateInfo) => void = (data: observer.DataConnectionStateInfo) => {
    console.info("on cellularDataConnectionStateChange, data:" + JSON.stringify(data));
}
observer.on('cellularDataConnectionStateChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('cellularDataConnectionStateChange', callback);
observer.off('cellularDataConnectionStateChange');

import { data } from '@kit.TelephonyKit';

observer.on('cellularDataFlowChange', (data: data.DataFlowType) => {
    console.info("on cellularDataFlowChange, data:" + JSON.stringify(data));
});

import { data } from '@kit.TelephonyKit';

let options: observer.ObserverOptions = {
    slotId: 0
}
observer.on('cellularDataFlowChange', options, (data: data.DataFlowType) => {
    console.info("on cellularDataFlowChange, data:" + JSON.stringify(data));
});

import { data } from '@kit.TelephonyKit';

let callback: (data: data.DataFlowType) => void = (data: data.DataFlowType) => {
    console.info("on cellularDataFlowChange, data:" + JSON.stringify(data));
}
observer.on('cellularDataFlowChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('cellularDataFlowChange', callback);
observer.off('cellularDataFlowChange');

observer.on('simStateChange', (data: observer.SimStateData) => {
    console.info("on simStateChange, data:" + JSON.stringify(data));
});

let options: observer.ObserverOptions = {
    slotId: 0
}
observer.on('simStateChange', options, (data: observer.SimStateData) => {
    console.info("on simStateChange, data:" + JSON.stringify(data));
});

let callback: (data: observer.SimStateData) => void = (data: observer.SimStateData) => {
    console.info("on simStateChange, data:" + JSON.stringify(data));
}
observer.on('simStateChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('simStateChange', callback);
observer.off('simStateChange');

observer.on('iccAccountInfoChange', () => {
    console.info("on iccAccountInfoChange success");
});

let callback: () => void = () => {
    console.info("on iccAccountInfoChange success");
}
observer.on('iccAccountInfoChange', callback);
// 可以指定传入on中的callback取消一个订阅，也可以不指定callback清空所有订阅。
observer.off('iccAccountInfoChange', callback);
observer.off('iccAccountInfoChange');

import { BusinessError } from '@kit.BasicServicesKit';
import { sim } from '@kit.TelephonyKit';

let sislotId = 0;
let simActiveState: Callback<boolean> = (isSimActive: boolean) => {
    console.info(`simActiveState slotId ${JSON.stringify(isSimActive)}`);
}
observer.onGetSimActiveState(sislotId, simActiveState);

import { BusinessError } from '@kit.BasicServicesKit';
import { sim } from '@kit.TelephonyKit';

let simActiveState: Callback<boolean> = (isSimActive: boolean) => {
    console.info(`simActiveState slotId ${JSON.stringify(isSimActive)}`);
}
observer.offGetSimActiveState(simActiveState);

import { call, observer } from '@kit.TelephonyKit';

// 定义运营商通话状态变化回调
let callback: (data: observer.CCallStateInfo) => void = (data: observer.CCallStateInfo) => {
    console.info("onCCallStateChange, data:" + JSON.stringify(data));
};
// 设置订阅参数，指定卡槽ID
let options: observer.ObserverOptions = {
    slotId: 0
};

try {
    // 监听运营商通话状态（指定卡槽）
    observer.onCCallStateChange(callback, options);
    // 监听运营商通话状态（不指定卡槽）
    observer.onCCallStateChange(callback);
} catch (err) {
    console.error(`observer.onCCallStateChange failed: ${JSON.stringify(err)}`);
}

import { observer } from '@kit.TelephonyKit';

let callback: (data: observer.CCallStateInfo) => void = (data: observer.CCallStateInfo) => {
    console.info("onCCallStateChange, data:" + JSON.stringify(data));
}

observer.offCCallStateChange(callback);
observer.offCCallStateChange();

// 设置订阅参数，指定卡槽ID
let options: observer.ObserverOptions = {
    slotId: 0
}
// 定义5A网络状态变化回调
let callback: Callback<boolean> = (isCommunicationStateOn: boolean) => {
    console.info(`communicationStateChanged ${JSON.stringify(isCommunicationStateOn)}`);
}
try {
    // 订阅5A网络状态变化事件
    observer.onCommunicationStateChange(callback, options);
} catch (err) {
    console.error(`observer.onCommunicationStateChange failed: ${JSON.stringify(err)}`);
}

let options: observer.ObserverOptions = {
    slotId: 0
}
let callback: Callback<boolean> = (isCommunicationStateOn: boolean) => {
    console.info(`communicationStateChanged ${JSON.stringify(isCommunicationStateOn)}`);
}
observer.onCommunicationStateChange(callback, options);
observer.offCommunicationStateChange(callback, options);