Flutter sarrafa ishara na taɓawa (taɓawa, zamewa, ja, pinch) ta hanyar widgets da ke gano ishara kamar GestureDetector da InkWell, sannan da alamomin jiya-jiya na widget. Fahimtar sarrafan ishara shine mahimmi don gina ƙarfin jiga.
GestureDetector — gano ishara
// GestureDetector wraps a widget and detects gestures on it
GestureDetector(
onTap: () => print('tapped'),
onDoubleTap: () => print('double tapped'),
onLongPress: () => print('long pressed'),
onPanUpdate: (details) => print('dragging: ${details.delta}'), // drag
onScaleUpdate: (details) => print('pinch: ${details.scale}'), // pinch/zoom
child: Container(width: 100, height: 100, color: Colors.blue),
)
