12 questions
1
vote
2
answers
718
views
FLUTTER - DropzoneView: TargetPlatform.windows is not supported appears when hosted in firebase
I was using flutter_dropzone which supports flutter web application.
When run locally the Flutter Dropzone works normally wherein I can attach file. Please see attachment
enter image description here
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0
votes
0
answers
254
views
How to do batch transaction request to Ethereum in flutter?
What i actually need is a way to create a batch request to ethereum for my transections in flutter web.
There are 2 specific library that i am following. One of them is web3dart which i see most ppl ...
0
votes
0
answers
84
views
Geofencing in flutter web
I tried Geofence in Flutter web and Easy Geofencing, but both automatically trigger an exit event. I don't know why. If anyone knows, please tell me. Thanks in advance
3
votes
1
answer
745
views
How can I connect Flutter Crossplatform app (mobile and web) to Metamask?
I've been trying for a while to connect Flutter App to Metamask wallet, but most packages are only for one platform either mobile or web.
I've tried installing Metamask and WalletConnect_dart packages,...
1
vote
0
answers
339
views
Redirection to link in webview_flutter: ^4.2.1 is not working in android build
Redirection to a link in side webview of webview_flutter: ^4.2.1 is not working on android build but its working fine on Ipad and Iphone
here Is the controller i have used
controller....
1
vote
0
answers
226
views
Refusing to load URL as it exceeds 2097152 characters
I try to load index.html file, javascript file and css file in my project flutter with package flutter_webview. I found this error
[WARNING:navigation_controller_impl.cc(285)] Refusing to load URL as ...
1
vote
0
answers
228
views
From Solidity To Dart : how reproduce an Solidity Address type construction in Dart
I have not managed to convert a line of code I have in one a Smart Contract of the back end of my DAPP into the Dart syntax for the front end part of it.
SOLIDITY :
address account = address(uint160(...
0
votes
0
answers
114
views
Set Variable is null in compute function
I set a variable to an instance of BIP32 in a function, but accessing the varialble in a compute returns null
Map checkRoot(a) {
print(root); // null
}
Map calculateSeed(String seedPhrase) {
seed =...
1
vote
1
answer
886
views
How to ask user for signing a message using the flutter_web3 plugin
I am trying to build an app where user is asked to connect with Ethereum Browser Wallet (Metamask) and in the next step would like ask for the use to sign a message (not signing a transaction).
The ...
1
vote
1
answer
817
views
How do I interact with ERC721 smart contracts using Flutter?
I am looking to create a dapp with Flutter that lets users mint NFT's. I know that there is the Web3 package and I have seen also examples how to interact with ERC contracts. But is it possible to ...
5
votes
1
answer
2k
views
Problems with Dapp Development with Flutter and web3
I need to clarify a doubt in the development of Dapp, when creating a mobile app with flutter can I use web3 to connect with the wallet and the blockchain?
2
votes
1
answer
476
views
How to include another Contract as dependency?
A function in a contract that is spawning a new contract executes fine from Remix but fails when called from my custom app, without giving any details except "transaction failed". I'm pretty ...