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hello in this video I will be showing you how to use radio widgets in flutter as usual I will be starting with an empty template and this is the demo of the app that we are going to build so lets jump into the code so Im going to add a button bar with alignment Center and children Im going to add a radio jet which will take a value Im going to lets set it as 1 and second one is a group value so actually as you know that radio pad buttons normally comes to the groups so whenever the group value will becomes equal to the value of that radio button it will become selected all right so our idea is to make the group value dynamic so that it will select on click so there is another property called on change so when the value changes on the radio button that will return a value so thats a value that we sit in the value property of the radio button so here it will return 1 as we see the value is 1 lets run the app so it is selected lets make it 2-0 and we run the app now it becomes be
