feat: `weekday` support in LocalNotifications

[littke]

Feature Request

Describe the Feature Request

I'd like to schedule recurring local notifications on Tuesdays and Thursdays at a given hour.

Platform Support Requested

• Android
• iOS

Describe Preferred Solution

I'd like to schedule it using the on keyword together with a (new) weekday (0-6) keyword.

Describe Alternatives

I don't see a way around this, as day is only 0-30. I could use every — but that doesn't let me set the hour of delivery. https://github.com/ionic-team/capacitor/issues/2752 goes into further detail.

Related Code

schedule: {
  on: {
    hour: 20,
    weekday: 2
  }
},
...
schedule: {
  on: {
    hour: 20,
    weekday: 4
  }
},

Additional Context

• iOS: DateComponent has weekday, support so it could easily be added in LocalNotifications.swift from what I gather.
• Android: I don't know Java but it seems in LocalNotificationsSchedule.java we are using SimpleDateFormat which has a u — day number of week (1-7) support.

[MarekGogol]

Would be really great to have this feature! Thanks.

[dahyui]

@littke Just wondering if you managed to work around this? If so, what did you do?

I managed to fix it for iOS and get it working by adding weekday in the DateComponent. I'm having trouble getting Java (Android) working as I'm not familiar with Java either.

[littke]

@dahyui I never got it to work! I gave up. Sorry!

[kim-jos]

I was able to add weekday functionality for the on keyword for Android . I created a pull request, but if you need it before it merges you should check out the following link and copy and paste the pertinent files. #601

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