Send Flutter Data To Online Server

Here's a concise and professional guide to sending data using the POST method from a Flutter screen using http package. This guide covers all major form data types used in API communication:

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Step 1: Add http Dependency

Add this to your pubspec.yaml:

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Step 2: Import the Library

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Step 3: Define the Endpoint and Headers

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Form Types and POST Method Examples

1. Send JSON Data

2. Send Form URL Encoded Data

3. Send Multipart/Form-Data (e.g., Image Upload)

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Step 4: Error Handling and Status Code Check

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