Flutter NoSQL Database – SEMBAST Tutorial (w/ BLoC)

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Persistently storing data in Flutter is not one of the easiest experiences if you're just starting out. If you want to move beyond simple "Preferences", which are only key-value pairs, you are probably looking at a library like SQFLite. The problem with this library is that it's very low level and maybe you really don't need to use structured data. What about NoSQL in Flutter?

In this tutorial you're going to learn about SEMBAST (Simple Embedded Application Store) which is a very powerful, yet simple to use library for storing, querying, ordering, paginating and even encrypting data.

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[StefanGallerAT]

Exactly what I was looking for. Thank you so much for this awesome tutorial. Keep up the great work!

[jhonromero]

Thanks a lot!!! Just what I needed. It works perfect!

[aissamouajib]

Awesome work bro!
One of my favorite Youtube channels ever, you really did a great job explaining the code. Expecting some Firebase tutorials soon hopefully!!
Thanks for all the help.

[quickflutterfixes]

Very beautiful video looking forward for many more

[theroosafamily]

Looks good. How would you use sembast with a more realistic data set? Nested data, related data, array fields, etc? For example, say I had a Playlist class that stored a id and name and a Song class that had songs that belonged to the Playlist. Can I do something like that with sembast? How would the queries work?

[Krrish]

What is completer doing exactly? Isn't it the same as creating a Future if it does not exist and returning that always. As the Future will resolve or reject only once and the class is a singleton, it should serve the purpose. Is Completer just syntactic sugar? (new to dart)

[yonasmelesse]

what if there is not List of fruit? what if there is one Fruit and you want to store that, what will you do get the fruit, you won't do List<Fruit> right?

[marcosarria]

I would also be interested in seeing this example with nested data, related data like Mike Roosa mentioned. Thank you

[thepowerdigger]

What would be the correct way to automatically refresh the list to check if new data was added? For example if we were to source the data from a server, how would we check if new data was added on the server every 5 minutes? Adding Timer.periodic to rebuild the widget does not seem to be a good idea, how would we do it from the bloc?

[Ls-dfmf]

Hi U have not explained how to create leaves class and do nested list in sembast... Please help me

[barfbarfomellow]

awesome . just what I need. tho there have been some changes to the flutter_bloc package (I'm using 0.20.0) instead of BlocProvider(bloc : FruitBloc ... I had to use a builder : BlocProvider(
builder: (BuildContext context ) => FruitBloc(),

[kristopherkivutha]

Can SEMBAST be used to create offline first applications? Creating applications where connectivity is not always guaranteed? I was thinking of using MONGODB Realm but it does not work yet for Flutter!

[mateenmehmood]

You are awesome. Thank you soo much <3

[happynewyearw]

Can't we just use RxDart instead of using completer?

[rockinouttt]

Thank you for this video! That was very helpful. One question I've had, is there a way to pre-seed the db with data from a json file when the user install the app, or just is referenced when opening the db?

[fahamarahmani]

Sambast is good or hive for nosql database?

[creative-commons-videos]

how to sync data with server ?? like offline first app ??

[darthvader]

Sir can you please make a video on how to implement the functionality of add to favorites to local database using sqflite (or any other database) where data is coming from JSON API.

[nictanghe]

Omg what is is vscode theme it looks amazeballs.

[peekpt]

Flutter needs a builtin database like coredata on ios. If you have all this trouble to write one entity, I can't imagine if you have to do relationship databases...