Android代码Flutter repo for testing ui

nc_flutter_utilAnewFlutterapplication.GettingStartedForhelpgettingstartedwithFlutter,viewouronlinedocumentation.Sourcetag:Demo1Fluttercustomindicatoranimationsimple:https://medium.com/p/2c487489040bDemo2Fluttercurvessimulation:https://medium.com/p/f935bb225ad2Demo3Fluttersimpleparticlemotion:ht