Flutter is the most popular cross-platform mobile SDK
I’ve been using flutter in anger for a cross platform web &#x2F; iOS &#x2F; android music app. I love it!<p>I see lots of Dart skeptics here. I was too when I started but Dart is great and better than JS.<p>I’m a Go developer by profession and Dart feels similar in ways. Simple language, simple type system, easy to learn, only one way to do things. Great compiler, great debugger, good ecosystem, good performance.<p>The complaints about widgets feeling off on different platforms is fair. My app is a totally custom UI so it doesn’t matter.<p>My favorite feature is the widget testing framework. It’s really easy to run the actual app and interact with it and verify UI interactions, UI state, app state and even UI pixels.<p>My frustrations are:<p>- cross platform system packages are of various quality and feature support. Someone in the ecosystem has to build the libraries with native bird and message passing to the flutter interface. I’m constantly surprised how much exists but when there are bugs or features missing on one platform it’s some major work to get it addressed.<p>- app initialization, lifecycle and navigation and routing took a long time to get right. Some more conventions on overall project structure and better getting started templates would go a long way.<p>The monolithic language and framework will be an advantage to some and a turn off to others. As a solo hobbyist, it’s a super power to get all these platforms at once.