WEIWEI

> How to build the android lib or ios framework from the trust wallet core, what we should modify the code of trust wallet core repo to build succesful for...

> How to connect to network? wallet-core only handle local things, create wallet, sign transaction etc, your can broadcast your sign output to any network you like.

> Thanks. Please point me to any resource I can read up on broadcasting on a network. Thanks for the work. For ETH below link may help [https://infura.io/product/ethereum](https://infura.io/product/ethereum) [https://docs.etherscan.io/](https://docs.etherscan.io/)

> yes， if you want to use in your own project just add this in your yaml ``` flutter_trust_wallet_core: git: url: https://github.com/weishirongzhen/flutter_trust_wallet_core_lib_include.git ```

if you are worry , you can build your own lib to use. for android only need to change CMakeList.txt line 14 , from "hidden" to "default", and follow the...

yep, that's all you need to do

> Understood, thank you so much for information. And thank you for all your work. Please, keep going your excellent work. Thanks, there still are lots of code to do,...

> Hello. I try to launch on Android and its crashed. I built trustwalletcore.aar from wallet-core repo, put in /android/libs but error occured. Do you know how can I fix...

> 构建 ios 需要 调整这个值吗？ ` set(CMAKE_CXX_VISIBILITY_PRESET default)` @weishirongzhen 不需要

> > > 构建 ios 需要 调整这个值吗？ ` set(CMAKE_CXX_VISIBILITY_PRESET default)` @weishirongzhen > > > 不需要 > > 好的，多谢。可以帮看看这个问题吗？ [trustwallet/wallet-core#3319](https://github.com/trustwallet/wallet-core/discussions/3319) > > 我根据官方文档构建出来的 WalletCore.xcframework, 没办法解密keystore，但是官方直接提供的可以解密，是不是我哪个步骤走错了？最后 WalletCore.xcframework 是从 swift/build/WalletCore.xcframework 取的。 @weishirongzhen 请提供下具体的代码调用过程