How to Read/Write Text, JSON, and Image Files in Flutter

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In this video, I discuss in detail how to read and write local files in Flutter.This includes basic text, json data, and images.

  1. The Flutter Factory
  2. cross-platform app tutorials
  3. cheetah coding
  4. Flutter file storage
  5. Flutter directory
  6. Flutter external storage
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Комментарии
Автор

I'm implementing a user data backup on Google Drive and this tutorial works for implementing the backup on local storage as well. Thank you very much.

leoMC
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Thank you brother - helped me add this into my app

MrDyll
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i get a null error when i do readjson file in read data
The argument type 'Map<String, dynamic>?' can't be assigned to the parameter type 'Map<String, dynamic>

Malang
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Is there any difference or advantage of using
Hive?
Or do you mean to explain the concept in general and its original steps in Dart?

الادهم-صظ
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If I open my App at the first time the text is null. After a hot reload my values are displayed

techandmore
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Hello, i dont understand those computer tools and documents. But if there is a random fhir.json 2 file with a scrypt on my iphone (and i did not put it there) is it a possible spyware? It is really important for me to know if that is possible or not. Thank you in advance!

sharence
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Is it possible to make the local file hidden?

Meaning users won't be able to go to files and delete the folder. Cuz for caches, sometimes user does that.

So if a hidden file can be created, we can store it in 2 files, one that user can see the file the other user can't change

zaimanza
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In the file contreoller User _user; gives error: Non-nullable instance field '_user' must be initialized. How to solve this?

NavidRahman
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Hi, Man. How can I connect for a business colab? Twitter does not exist.

danielm
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Flutter firebase complete advanced tuotorial with English Caption

kamalCode