I met a problem while sending usdt with intent #2

Samsung Blockchain
3

is there transfer api with samsungblockchain api without intent?

Yes, there is.
You can transfer Tokens/TRX using the APIs:

  • sendTransaction
  • sendTokenTransaction
  • sendSmartContractTransaction

Check out the references:
Programming Guides
API References
Sample Application: AeroWallet




And about the “WindowLeaked” Issue, please check out the discussions/solutions on this regard over the Internet. like this one, or the specific ones regarding react-native.

Try following the example usage of ‘PaymentSheetIntent’ from the guides and the Sample app.