ionic project creation

ionic start myApp tabs 
ionic generate page contact
for services ::: ionic generate provider
httpclientModule in ionic3
https://www.npmjs.com/package/ngx-http-client https://www.tutorialspoint.com/ionic/ionic_camera.htm import { HttpClient } from '@angular/common/http';
import { Injectable } from '@angular/core';
import {
toPromise
} from 'rxjs/operator/toPromise';
import { AlertController, MenuController, ToastController } from 'ionic-angular';
/*
Generated class for the CallsProvider provider.

See https://angular.io/guide/dependency-injection for more info on providers
and Angular DI.
*/
@Injectable()
export class CallsProvider {
SERVER_IP="http://209.126.98.38/EverestHome/public/api/v1/"
constructor(public http: HttpClient) {
console.log('Hello CallsProvider Provider');
}
post(api: string , requestData: any) {
debugger;
console.log(requestData);
return this.http.post(this.SERVER_IP + api, requestData,
{}).toPromise();
}
get(api: string) {
return this.http.get(this.SERVER_IP + api,
{}).toPromise();
}

}


service call::
this.callsProvider.post('saveImage', {
userid: this.uId,
})
.then((res: any) => {
console.log(res);
});