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Flutter で画像が取得できなかったときにデフォルトの画像を表示する

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FlutterでImageウィジットを使って画像を表示するときに、asset に存在しない画像があった場合にデフォルトの画像を表示する方法

Check if asset exist in flutter

Image.asset(
  'assets/sample.jpeg',
  errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
    return Image.asset('assets/default.jpeg');
  },
),
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