alabiboo

 // Install file chooser and file transfer API from ionic 2 and import them into your page.ts. and don't forget to add providers in 
app.component.ts

 
 
 import { Component } from '@angular/core';
import { NavController, NavParams} from 'ionic-angular';
import { Home } from '../../homemodule/home';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { UserProfileService } from '../../services/login.service';

alabiboo

    public void fitToScreen(){
        mSaveScale = 1;

        float scale;
        Drawable drawable = getDrawable();
        if (drawable == null || drawable.getIntrinsicWidth() == 0
                || drawable.getIntrinsicHeight() == 0)
            return;
        int bmWidth = drawable.getIntrinsicWidth();
        int bmHeight = drawable.getIntrinsicHeight();