Flutter onTap method for Containers

Screenshot:

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You can use both GestureDetector and InkWell but I'll suggest you to go for InkWell as it can show ripple effects which a GestureDetector can't.

Differences between GestureDetector and InkWell:

1. Both share many features in common like onTap, onLongPress etc. The main difference is that GestureDetector has more controls like dragging and so on. On the other hand, InkWell provides some nice ripple effects.

2. You can use either of them according to your needs. If you want ripple effect choose InkWell, and if you need more controls then go with GestureDetector or even combine both of them.

   Material(
     color: Colors.blue, // Background color
     child: InkWell(
       splashColor: Colors.grey, // Splash color
       onTap: () => print("Container pressed"), // Handle your onTap here.
       child: Container(height: 200, width: 200),
     ),
   )
   

You could wrap container inside an Inkwell() or in GestureDetector() as below

InkWell(                        
  child: Container(...),                        
  onTap: () {                          
  print("tapped on container");
  },                      
);

Using the Gesture Detector

GestureDetector(
  onTap: () { print("Container was tapped"); },
  child: Container(...),
)

The only difference between the two is InkWell provides a ripple effect when the pointer is in contact with the screen while this is no such visual feedback with GestureDetector.

You can wrap your Container in an InkWell or GestureDetector. The difference is that InkWell is a material widget that shows a visual indication that the touch was received, whereas GestureDetector is a more general-purpose widget that shows no visual indicator.