1、update every things to ionic3  uninstall, install , update npm….etc

2、use ionic 3, create new project, run, sure can run on android.

3、copy old config.xml data to new config.xml

4、change new project src -> src1, then copy old project src.

4.1、 code have any  ionic-native  change @ionic-native/xxxxxxxxx

4.2 、src/app/app.module.ts

．top add import { BrowserModule } from ‘@angular/platform-browser’;

．import、providers same 4.1

4.3、copy new project src/index.html 、 src/service-worker.js

then try   ionic cordova android –emulator