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ObscureWidget() blurs its child when the screen is being captured. ObscureWidget.builder() gives extra control to add custom handling when recording the screen. currently supported on only the iOS platform.

Example

Demo	Initial	While Recording

Usages

Let's look at how to use the ObscureWidget, ObscureWidget.builder(), and .obscured() extensions.

ObscureWidget

supported parameters blur, blurColor, borderRadius, and colorOpacity

ObscureWidget(
    child: Container(
    width: double.infinity,
    color: Colors.amber,
    padding: const EdgeInsets.all(18.0),
    child: Text(
        'Secure Text',
        style: Theme.of(context).textTheme.headline6,
        ),
    ),
)

with .obscured() extension

 Container(
    width: double.infinity,
    color: Colors.amber,
    padding: const EdgeInsets.all(18.0),
    child: Text(
    'Other Secure Text with extension',
    style: Theme.of(context).textTheme.headline6,
    ),
).obscured(blur: 2, blurColor: Colors.red),

ObscureWidget.builder()

use this for custom implementation

ObscureWidget.builder(
    obscureBuilder: (context, isCaptured, child) {
    return Container(
        decoration: BoxDecoration(
        border: Border.all(
            width: 4,
            color: isCaptured ? Colors.red : Colors.green,
            ),
        ),
        child: child,
    );
    },
    child: Container(
    width: double.infinity,
    color: Colors.black,
    padding: const EdgeInsets.all(18.0),
    child: Text(
        'Other Secure Text with builder constructor',
        style: Theme.of(context).textTheme.headline6?.copyWith(color: Colors.white),
        ),
    ),
)