Answers for "if then else inside child in flutter"

conditionalstatement in widget flutter

Container(
  color: Colors.white,
  child: ('condition')
  ? Widget1(...)
  : Widget2(...)
)

flutter conditional statement

condition? Text("True"): null,

if then else inside child in flutter

Container(
  color: Colors.white,
  child: ('condition')
  ? Widget1(...)
  : Widget2(...)
)