///Android & iOS 环境下直接判定不是 Shell,返回空函数 const ifCurEnvIsShell = false; dynamic callShellMethod(String method, List? args) {} dynamic callShellGetClipPlaneData(msg) { return null; } dynamic callShellGetVesselClipPlanePoints(msg) { return null; } dynamic callShellSwitchMeasureMode(res, params) => null;