Ionic serve not working in Ionic 3

Question

My Ionic info:

cli packages: (/usr/lib/node_modules)

@ionic/cli-utils  : 1.9.2
ionic (Ionic CLI) : 3.9.2

global packages:

Cordova CLI : 7.0.1 

local pack         


        

Answer 1

For update changes in platform file you have to run ionic cordova prepare and then run ionic serve it works.. ionic cordova prepare copy all files of www into platform directory that will reflect in your apk or ipa