Calculator App in Flutter Step by Step | Taking user input | Adding Events

This is a tutorial about doing basic mathematic operations like Add, Subtract, Multiply and Divide.
In this, we have used following Widgets:
- MaterialApp
- Scaffold
- AppBar
- Container
- Column
- Row
- SizedBox
- Text
- TextField
- ElevatedButton
The basics are covered step by step that how to take user input, perform calculation on that and update the UI with calculated result.

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[AmirZinoon]

can u help me to add another feature to this
like to search saved contacts

[AmirZinoon]

can u help me to add another feature to this
like to search saved contacts