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AspectRatio鐨勬瀯閫犲嚱鏁板涓嬶細

AspectRatio({
Key key,
@required double aspectRatio,
Widget child,
})

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涓嬮潰鏄竴涓畝鍗曠殑渚嬪瓙锛屽睍绀轰簡AspectRatio鐨勪娇鐢ㄦ柟寮忥細

AspectRatio(
aspectRatio: 16/9,
child: Container(
color: Colors.blue,
),
)

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