Click a input field. whole app jumps down and back to the original place

yes i solve this issue you need to install corodva keyboard pluggin

cordova plugin add ionic-plugin-keyboard

then after in app.js

.run(function ($ionicPlatform) {
$ionicPlatform.ready(function () {
// Hide the accessory bar by default (remove this to show the accessory bar above the keyboard
// for form inputs)
if (window.cordova && window.cordova.plugins.Keyboard) {

main thing here is