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So there we are, we're done with the Weatherup, I hope you enjoyed that.

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Now you can use API calls using Jason Jaeson, retrofit a bunch of new third party libraries that we

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have not used before.

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We use Dexter again for getting permissions and we use the Internet connection on the phone.

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So of the users so that we can get data from the Internet so that we can display the data in the right

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format.

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All right.

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So that's what we've done.

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And I hope you enjoyed this chapter.

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It's a bunch of new features that you have learned, a bunch of new functionality that is so, so important

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when it comes to developing applications, because now the applications are even more complex.

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The ones that you can build, you can now actually do a lot of contract work because most applications

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will use this feature or many of them will use this feature.

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And many of the applications that your customers need are going to use this kind of data.

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So you need data from somewhere in most applications.

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So either you build the data yourself and you have it in the application or you use an API call.

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So you download the data from the web and you use it.

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And those API calls, sometimes you have to pay for it.

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It really depends on what kind of data you need because somebody has to prepare the data and that is

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super powerful because now you can even send data and you can retrieve back the result of whatever you

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have sent.

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OK, so that's it for this video.

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In the next chapter, we are going to look at our most advanced application, which is the pro Menasche.

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I used the most stupid name that I came up with, and that's it.

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So we're going to build a project management tool, which is a clone, so to speak, of Trello.

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So it's going to have most of the core functionality of Trello and it's going to have a lot of advanced

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stuff.

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And it's a super long chapter because there is so much stuff to learn.

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It's amazing.

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It's just so much interesting content and many features that you will need when you want to build an

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application with a many to many relationship.

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So when a user can have multiple boards but a board can have multiple users, so.

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I'd say let's dive right into the next chapter, so you there.