Android tutorials for intermediate developers?

[fotolaino]

Hello, I was looking for some intermediate-level tutorial resources on general android development. But every time I seem to find a valid resource its either outdated or too difficult for me to understand.
Specifically I was interested in learning about:
Notifications, both permanent and instant ones
Services
Doing something every x amount of time
Broadcasts
but I can't seem to find a good resource. I gave up un udacity at about half of the developing android apps course since I got lost, it seems complete gibberish to me form that point on. I finished the big nerd ranch but again I skipped the last few chapters as the learning curve got unreasonably steep. Also the problem with those tutorials is that they guide you through building the same app for a long series of chapters, and if you miss a few you have no idea about the context of the implementations.
If I look for tutorials on youtu be instead they are still outdated or aimed at absolute beginners.
I just want to learn those topics on their own, explained in an understandable way. What could I do?

 

[Rukbat]

Once you reach intermediate level, assuming you learned programming before you learned "android" (if you didn't, start with Algorithms and Data Structures - it's not an easy subject, it can take 6 months to get through), you don't need any tutorials, you can figure it out and write them. Something tells me that you've confused "intermediate level Android programmer" with "spent as much time programming an Android as an intermediate level programmer would have". Just writing code for Android for a year doesn't teach you how to program Android phones. Sorry.

 

[fotolaino]

I don't understand your reply. What has knowing algoritms have to do with using the android framework? How can I build a service if I don't know how does the Service class work?

I've started learning java along with android programming in june. Now I have released an app on the play store and I know well all the android basics: activities and fragemtns, api calls, json parsing, helper classes, SQLite and so on but I want to implement notifications and such in my app, which can be done with services (I think).

 

[fotolaino]

I don't understand your reply. What has knowing algoritms have to do with using the android framework? How can I build a service if I don't know how does the Service class work?

I've started learning java along with android programming in june. Now I have released an app on the play store and I know well all the android basics: activities and fragemtns, api calls, json parsing, helper classes, SQLite and so on but I want to implement notifications and such in my app, which can be done with services (I think).