ngcordova 監控網絡制式改變

keywords

cordova,phonegap,ionic,network,網絡制式

API參考

http://ngcordova.com/docs/plugins/network/

安裝

cordova plugin add cordova-plugin-network-information

使用場景

適用於但網絡制式發生變化，需要動態改變APP運行參數，例如提醒網絡切換，圖片的加載，圖片質量或者服務器API地址的切換。

例子

使用

module.controller('MyCtrl', function($rootScope, $cordovaNetwork,$ionicLoading) {
  document.addEventListener("deviceready", function () {	
    //var type = $cordovaNetwork.getNetwork()
    var isOnline = $cordovaNetwork.isOnline()	
    var isOffline = $cordovaNetwork.isOffline()

    // listen for Online event
    $rootScope.$on('$cordovaNetwork:online', function(event, networkState){
	  var type = $cordovaNetwork.getNetwork()
      var onlineState = networkState;
	  if (type == Connection.WIFI) {
		//TODO something
	  }else if (type == Connection.CELL_4G || type == Connection.CELL_3G){
	  	//TODO something
	  }
    })

    // listen for Offline event
    $rootScope.$on('$cordovaNetwork:offline', function(event, networkState){
      var offlineState = networkState;
	  $ionicLoading.show({
          template: '網絡異常，不能連接到服務器！'
      });
    })

  }, false);
});

Connection類型

Connection.UNKNOWN
Connection.ETHERNET
Connection.WIFI	WiFi
Connection.CELL_2G
Connection.CELL_3G
Connection.CELL_4G
Connection.CELL
Connection.NONE