Progress Bars Example in Flutter

Introduce the idea of progress bars and their significance in a Flutter app for displaying the status of ongoing tasks or processes.

Draw attention to how progress bars can enhance user experience by giving visual feedback and informing users.

There are two different forms of progress indicators in Flutter: linear and circular.

Types of Progress Bars

Both indeterminate and determined indicators are available for linear and circular systems.

Until the procedure is finished, indeterminate operations show the indicator expanding and contracting continuously along the track.
Determined operations show the indicator’s width progressing with the process from 0 to 100% of the track.

We only need to call the widgets LinearProgressIndicator() or CircularProgressIndicator() to produce the Indeterminate. As a result, the indicator will run nonstop forever because we didn’t call the property value.

Here are a few progress bar examples :

Basic Linear Progress Bar Example

LinearProgressIndicator(
  value: 0.6, // Progress value between 0.0 and 1.0
  backgroundColor: Colors.grey,
  valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
)

Customized Linear Progress Bar Example

Container(
  height: 10,
  child: LinearProgressIndicator(
    value: 0.8,
    backgroundColor: Colors.grey,
    valueColor: AlwaysStoppedAnimation<Color>(Colors.green),
  ),
)

Circular Progress Indicator Example

CircularProgressIndicator(
  value: 0.5,
  backgroundColor: Colors.grey,
  valueColor: AlwaysStoppedAnimation<Color>(Colors.orange),
)

Indeterminate Progress Indicator Example

CircularProgressIndicator(
  backgroundColor: Colors.grey,
)

Progress message with linear progress indicator Example

Column(
  children: [
    LinearProgressIndicator(
      value: 0.6,
      backgroundColor: Colors.grey,
      valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
    ),
    SizedBox(height: 8),
    Text(
      'Upload All file...',
      style: TextStyle(
        fontSize: 16,
        fontWeight: FontWeight.bold,
      ),
    ),
  ],
)

These examples show how Flutter’s progress bars may be customised to include both linear and circular progress indications.

To complement the design of your app, you can alter a number of settings, including the progress value, colour, height, and backdrop colour.

Along with the progress bar, you can also include progress messages to give the user informative updates.

To construct the ideal progress bar for your app, feel free to change these examples to meet your individual needs and explore other customization options offered by Flutter.

I hope you found this Flutter lesson to be useful. Please check out this website’s other Flutter Project with Example if you’re interested in learning the language. Some of them come with video guides.

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