title: ionic application is not working in real device android 9 when it is downloaded from playstore
body: <p>i  developed an application using ionic 4 and ionic 3. it is working fine when i installed it using ionic cordova run android, it also worked for all versions of android . but after uploading it to playstore the app is not working   on android 9 mobiles the request to the server is not happening</p>
  
  <p>i tried to change my android platform to 8.0.0 but it doesn't work,</p>
  
  <p>i also tried to add  android:usesCleartextTraffic="true" for application selector  in AndroidManifest.xml,  the application is totally crashed when i tried to download it from playstore .</p>