The application closes when I try to use the camera, GPS or other.
Try placing permissions on AndroidManifest and also use AndroidPermission.
I only have this problem on android 9
Ionic:
Ionic CLI : 5.4.7 (/usr/local/lib/node_modules/ionic)
Ionic Framework : @ionic/angular 4.11.5
@angular-devkit/build-angular : 0.803.19
@angular-devkit/schematics : 8.3.19
@angular/cli : 8.3.19
@ionic/angular-toolkit : 2.1.1
Cordova:
Cordova CLI : 9.0.0 (cordova-lib@9.0.1)
Cordova Platforms : android 8.1.0
Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.1.3, (and 13 other plugins)
Utility:
cordova-res : not installed
native-run : 0.2.9
System:
Android SDK Tools : 26.1.1 (/Users/simonmunoz/Library/Android/sdk)
NodeJS : v13.1.0 (/usr/local/bin/node)
npm : 6.12.1
OS : macOS Mojave