我想混合一个包含这样的地图的列表:
initTask() async {
List tasks = await ourDb.rawQuery("SELECT * FROM level1");
Random random = Random();
tasks.shuffle(random);
}
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然后我收到了这个错误:
E/flutter (15953): [ERROR:flutter/shell/common/shell.cc(184)] Dart Error: Unhandled exception:
E/flutter (15953): Unsupported operation: read-only
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有人可以帮忙吗?
flutter ×1