/**
* 用法:
* import jsBridge from 'fileName.js'
*
* 1、給 APP 端發送數據
* jsBridge.callHandler(eventName, data, callback(reponseData))
* 參數說明:
* eventName (string): 必傳, 與 APP 端約定的事件名
* data (object): 非必傳, 發送給 APP 端的數據
* callback (function): 通信完成後,前端的回調,reponseData,是APP端返回的數據
*
* 2、接收 APP 端的數據
* jsBridge.registerHandler(eventName, callback(data, responseCallback))
* 參數說明:
* eventName (string): 必傳,與 APP 端約定的事件名
* callback (function): data: 是接收到的數據,responseCallback,通信完成後,傳給 APP 端的回調
*/
const isAndroid = navigator.userAgent.indexOf('Android') > -1 || navigator.userAgent.indexOf('Adr') > -1;
const isiOS = !!navigator.userAgent.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
//這是必須要寫的,用來創建一些設置
function setupWebViewJavascriptBridge(callback) {
if (isAndroid) {
if (window.WebViewJavascriptBridge) {
callback(WebViewJavascriptBridge)
} else {
document.addEventListener(
'WebViewJavascriptBridgeReady',
function () {
callback(WebViewJavascriptBridge)
},
false
);
}
}
if (isiOS) {
if (window.WebViewJavascriptBridge) {
return callback(WebViewJavascriptBridge);
}
if (window.WVJBCallbacks) {
return window.WVJBCallbacks.push(callback);
}
window.WVJBCallbacks = [callback];
let WVJBIframe = document.createElement('iframe');
WVJBIframe.style.display = 'none';
WVJBIframe.src = 'wvjbscheme://__BRIDGE_LOADED__';
document.documentElement.appendChild(WVJBIframe);
setTimeout(function () {
document.documentElement.removeChild(WVJBIframe)
}, 0);
}
}
setupWebViewJavascriptBridge(function (bridge) {
if (isAndroid) {
//安卓端,接收數據時,需要先進行初始化
bridge.init(function (message, responseCallback) {
const data = {
'Javascript Responds': 'Wee!'
};
responseCallback(data);
})
}
})
export default {
// 給APP發送數據
callHandler(name, data, callback) {
setupWebViewJavascriptBridge(function (bridge) {
bridge.callHandler(name, data, callback)
})
},
// 接收APP端的數據
registerHandler(name, callback) {
setupWebViewJavascriptBridge(function (bridge) {
bridge.registerHandler(name, function (data, responseCallback) {
callback(data, responseCallback)
})
})
}
}