[General] [add] - Add openSettings method to Linking module

[estevaolucas]

Summary

This will create a cross-platform and safe way to programmatically open the app's settings into the iOS /Android Settings app.

Right now it's possible to open the app's settings, but only for iOS via Linking.openURL("app-settings:")

To do the same for Android, you need to either create NodeModule or install a dependency such as react-native-open-settings.

Why this new method is useful: since Android 6, app permissions work similar to iOS. It's granular and it's requested in the app runtime.

https://developer.android.com/guide/topics/permissions/overview#runtime_requests_android_60_and_higher

If the device is running Android 6.0 (API level 23) or higher, and the app's targetSdkVersion is 23 or higher, the user isn't notified of any app permissions at install time. Your app must ask the user to grant the dangerous permissions at runtime. When your app requests permission, the user sees a system dialog telling the user which permission group your app is trying to access. The dialog includes a Deny and Allow button.

Thus, if the user checks the "Never ask again box" and taps "Deny", for some specific permission, the only way to change the permission is going to the Android Setting app.

And that's where this new method becomes useful. It'll allow our apps to programmatically send the the user to settings app.

Also, openSettings() doesn't receive a parameter to redirect to specific subsections of the Settings app because there's no public API to do it on iOS (there's a way to have, via private API, but it causes the app to get rejected.)

Changelog

Create Linking.openSettings() for iOS and Android;

[General] [add ] - Add openSetting method to Linking module

Test Plan

With <Button onPress={() => Linking.openSettings()} title="Settings" color="#841584" /> it's possible to test this new method.

TODO:

• In case of approval, create the PR updating the documentation. (Update Linking adding the brand new openSettings method react-native-website#839)
• Update Linking mock

[pull-bot]

Messages

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📋 Changelog Format - Did you include a Changelog? A changelog entry has the following format: [CATEGORY] [TYPE] - Message. CATEGORY may be: General iOS Android TYPE may be: Added, for new features. Changed, for changes in existing functionality. Deprecated, for soon-to-be removed features. Removed, for now removed features. Fixed, for any bug fixes. Security, in case of vulnerabilities. MESSAGE may answer "what and why" on a feature level. Use this to briefly tell React Native users about notable changes.

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[cpojer]

Thanks for your PR. I think it makes sense to have this cross platform feature right out of the box.

[facebook-github-bot]

@cpojer is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[estevaolucas]

@cpojer I ended up overriding your commit by mistake with my force push. I just updated it including a commit doing the same you did. Thanks

[facebook-github-bot]

@cpojer is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[cpojer]

That's alright, thanks for letting me know :)

[react-native-bot]

This pull request was successfully merged by @elucaswork in fa426cf.

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