Input box and components around flickers when scrolling & focusing the input

Apologies in advance if this is not the correct place to posting the issue.

Short description of the problem

Issue 1: Flickers when tapping on an input box after long scrolling. Emulator Gif:

<ion-item *ngIf="hasil.opsi == '' || hasil.opsi == null || hasil.opsi == undefined " [ngClass]="itemClass(hasil.value,hasil.parameter)"> <ion-label class="label-input" text-capitalize text-wrap> {{ hasil.parameter }} <br/> <small *ngIf="hasil.tagNo != ''" > ( {{hasil.tagNo}} )</small> </ion-label> <ion-input [ngClass]="changeClass(hasil.value,'','',hasil.min,hasil.max)" type="number" placeholder="{{hasil.min}} / {{hasil.max}} - {{ hasil.satuan }}" [(ngModel)]="hasil.value"></ion-input> </ion-item> Run ionic info from terminal/cmd prompt: My system information:

Ionic:

ionic (Ionic CLI) : 4.10.1 (/usr/lib/node_modules/ionic) Ionic Framework : ionic-angular 3.9.2 @ionic/app-scripts : 3.2.2

Cordova:

cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1) Cordova Platforms : android 7.1.4 Cordova Plugins : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 2.2.0, (and 19 other plugins)

System:

NodeJS : v8.11.2 (/usr/bin/node) npm : 6.7.0 OS : Linux 4.15

[itshazlan]

@liamdebeasi here is check on my repository, https://github.com/hamzahalvanaa/bocplus/blob/master/src/pages/scanner/scanner.html

[ionitron-bot[bot]]

Issue moved to: https://github.com/ionic-team/ionic-v3/issues/964