adds activityResult to improve promise usability on Android

[setoba1192]

Adds usability to then promise in the method NativeSettings.open

Platform:

Android

testMethod = () => {
    const options = {
      optionAndroid: AndroidSettings.ApplicationDetails,
      optionIOS: IOSSettings.App,
    };
    /**
     * Current Behavior: Then promise execute immediately
     * New Behavior: Then promise wait to user gets back to screen
     */
    NativeSettings.open(options).then((data) => {
      this.presentAlert('then execution', JSON.stringify(data), '');
    });
  };

video5044381772813435674.mp4

[RaphaelWoude]

Thank you for your contribution. I will review & test your PR in the next couple days.

[RaphaelWoude]

LGTM!

[RaphaelWoude]

This functionality will be available with the capacitor 5 build that is coming very soon. See #32