Ion-input type does not work

Ionic Framework
1

Hi, i´m new in a ionic apps and i have a problem, please, anybady can help me?
i Have a ionic form, a login form, but the input type fields doesn´t work, in a computer i can´t write in them, in an android emulator the keyboard dont appear.

This is my html code

E mail: Password: 
  <ion-button
    color="primary"
    expand="block"
    [disabled]="!userForm.valid"
    (click)="loginForm()">Login</ion-button>

This is my json package

{
“name”: “todo”,
“version”: “0.0.1”,
“description”: “An Ionic project”,
“devDependencies”: {
“@ionic/v1-toolkit”: “^1.0.0”,
“gulp”: “^3.5.6”,
“gulp-clean-css”: “^3.7.0”,
“gulp-rename”: “^1.2.0”,
“gulp-sass”: “^3.1.0”
},
“dependencies”: {
“@ionic/pro”: “2.0.3”,
“cordova-android”: “7.1.1”,
“cordova-ios”: “4.5.5”,
“cordova-plugin-device”: “^2.0.2”,
“cordova-plugin-ionic-keyboard”: “^2.1.3”,
“cordova-plugin-ionic-webview”: “^2.2.0”,
“cordova-plugin-splashscreen”: “^5.0.2”,
“cordova-plugin-statusbar”: “^2.4.2”,
“cordova-plugin-whitelist”: “^1.3.3”
},
“cordova”: {
“plugins”: {
“cordova-plugin-whitelist”: {},
“cordova-plugin-statusbar”: {},
“cordova-plugin-device”: {},
“cordova-plugin-splashscreen”: {},
“cordova-plugin-ionic-webview”: {},
“cordova-plugin-ionic-keyboard”: {}
},
“platforms”: [
“ios”,
“android”
]
}
}

Thanks a lot