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I wish to change the opacity of the SnackBar. It has only the background property. Can it be customized or I have to create the custom widget for snack bar?
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Flutter uses a 32 bit color value in ARGB format, where A = Alpha, R = RED, G = GREEN and B = BLUE. So to control the opacity you can change the values of first two digits of the hex value in const Color(0xFF0E3311) , you can use values ranging from 0x000E3311 , 0x010E3311 .... 0xFF0E3311 .
Lessening the harshness of text, de-emphasizing less important visual elements, or signaling a disabled state are just a few of the scenarios in which changing opacity can help. The easiest way to change opacity of a widget in Flutter is to simply wrap it with an Opacity widget.
Flutter showSnackBar called on null 2 Flutter SnackBar displays under CupertinoTabBar(hidding snackBar) 1 Flutter Snackbar is displaying below bottom sheet
Flutter’s Opacity widget makes its child partially transparent. You can choose a value between 0.0 and 1.0 to define the opacity of a widget. Opacity ( opacity: 0.5, child: Container ( color: Colors.red, width: 200, height: 200, ), ),
The image in the below app has 0.5 opacity. First initialize the main app as a stateless widget. Second design the main widget as you desire. Build the Appbar with the scaffold widget. Now use the Image.Network widget inside the body of the scaffold widget. Finally, set the opacity using colorBlendMode.
Try using the color property of snack bar like this,
backgroundColor: Colors.black.withOpacity(0.5) This should work as you expected.
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