I have faced issue while displaying auto suggestions after searchbar on top of ion-content below header on ionic2.I have created this repo now it's working fine.I am able to show suggestions after scrolling the ionic content too.
After clone this repository
$ sudo npm install -g ionic cordova
$npm install
Then, to run it
In the Browser
$ionic lab
For Android Platform
$ cordova platform add android
$cordova run android
For Ios platform
$ cordova platform add ios
$ cordova run ios