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Flutter_meetup_tokyo__10.pdf

shogo.yamada
July 16, 2019
5.4k

 Flutter_meetup_tokyo__10.pdf

shogo.yamada

July 16, 2019
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Transcript

  1. Widget _drackableWidget(Widget widget, ValueNotifier<Matrix4> notifier) { return MatrixGestureDetector( onMatrixUpdate: (m,

    tm, sm, rm) { notifier.value = m; }, child: AnimatedBuilder( animation: notifier, builder: (ctx, child) { return Transform( transform: notifier.value, child: Stack( children: <Widget>[ Positioned.fill( child: Container( child: FittedBox( child: widget, ), ),