How can I use ng-upgrade in ionic 2 framework - angularjs

I have a code written in AngularJS1.5 and I want to use this code in another app that will be built on ionic 2 framework. I tried to follow the guidelines of using the ngupgrade module to make the AngularJS1.5 code compatible with ionic 2 framework which uses the AngularJS 2.0.
My question is when using the ngupgrade we must call the bootstrap method from UpgradeAdapter, but the ionic framework calls its own bootrstrap method. So any ideas on how to achieve that?

According to the Ionic Team, ngUpgrade won't work to convert Ionic 1 to Ionic 2:
Ionic1 and Ionic2 will not work with ngUpgrade.

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Ionic React - do you have to use Ionic UI components and routing?

Looking at the ionic documentation they are pushing very heavily towards using Ionic components for UI and routing.
Is it possible to use your own components and frameworks instead of Ionic and simply use Ionic for its native feature support?
Actually, You can just use Cordova. Because the Ionic is built on top of Cordova (It's just the wrapper). So you can reuse all Libs of Ionic with Cordova.
You can check these repositories:
https://github.com/unimonkiez/react-cordova-boilerplate
https://github.com/gitsad/react-cordova-boilerplate

can i build apps with ionic using angular version 1

I want to know that can i use ionic with angular version 1 to builds App.
If yes than which version of ionic will matter in that case, means which version of ionic have to use with angular version 1.
Can i use the latest ionic version with angular version 1.I searched out but did not find any detail answer
Ionic V1 docs supports angular version1. You need to install the Ionic version 2.2.1 and you can use the ionic framework docs v1 in your application with angular 1.
npm install -g ionic#2.2.1
use this command to install ionic.
I hope this will help you.

How do I load Angular 4 into an AngularJS app using SystemJS?

I want to convert an AngularJS app to Angular 4. I'm reading the official Angular documentation for upgrading from AngularJS at https://angular.io/guide/upgrade. It states this:
To begin converting your AngularJS application to a hybrid, you need
to load the Angular framework. You can see how this can be done with
SystemJS by following the instructions in Setup, selectively copying
code from the QuickStart github repository.
The 'Setup' link however leads to a page which doesn't mention SystemJS. How do I use SystemJS to load/build the Angular 4 framework into the existing AngularJS app?
The link you specified points to the Angular quickstart project which uses systemjs. https://github.com/angular/quickstart
Although the project is marked as deprecated it is currently still valid in how you can setup Angular with systemjs.
You can then use the quickstart as the basis for porting your code across and will enable you to follow the additional instructions in that setup steps.
That quote I gave from the Angular documentation is very confusing. What you actually need to do when upgrading is to somehow set up the scaffolding for an Angular 4 app within your project, then use SystemJS as the module loader that will load the Angular 4 modules at runtime (since there is currently incomplete native browser support for the EcmaScript module system).
I figured out by reading further through the upgrade guide (specifically the 'PhoneCat Upgrade Tutorial - https://angular.io/guide/upgrade#phonecat-upgrade-tutorial) that what you're expected to do is set up the QuickStart project in an independent location, somehow move most of it into your existing AngularJS project to provide the scaffolding for an Angular 4 project, then wire up SystemJS as the module loader by selectively using some of the SystemJS configuration that is inside your 'built' QuickStart project.

Create an Ionic Plugin not with Native Java code

Hi I've developed one plugin for Emojis in Ionic that I want should be available to everyone.
But After searching on internet, the creation of Ionic plugin I got posts like making native code of Java to Cordova and Ionic capable.
I have pure JS code in my Ionic project. I tried to find but didn't get any success.
Any help will be appreciated.
Thanks

Hybrid applications

I am a beginner to hybrid app development. I know there are Ionic version 1 and 2(unofficial release). There is also a Angular JS version 1 and 2 (unofficial release). my questions is Can I use Angular js 2 with Ionic version 1 instead of Angular JS 1?

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