Open
Description
Duplicate Check
- I have searched the opened issues and there are no duplicates
Describe the bug
This bug did not occur in flet 0.24.x versions, just in recent 0.25.x versions. Once I located this bug today, I tried removing try/except clause and there was information about error oddly enough. Still in it's current form it crashes all android apps with generic message.
Code sample
Code
import flet as ft
async def main(page: ft.Page):
# crash android app start
try:
token = None
await page.client_storage.set_async("crystaltunes.token", token)
except Exception as e:
print(f"Exception occurred {e}")
# crash android app end
page.add(ft.Text("Hello, Flet!"))
ft.app(main)```
</details>
### To reproduce
flet create someapp
cd someapp
(toss code into main.py)
flet build apk
### Expected behavior
Exception should have shown at least something. What is strange is that code was working for long time up to 0.24.x.
### Screenshots / Videos
_No response_
### Operating System
Linux
### Operating system details
Android
### Flet version
Name: flet Version: 0.25.0.dev3614
### Regression
Yes, it used to work in a previous Flet version (please specify the version in additional details)
### Suggestions
Need a more fine tuned approached to not let this error pass into dart code to crash the app as debugging this was a nightmare.
### Logs
<details open><summary>Logs</summary>
```console
10-30 17:06:50.373 24940 24962 E flutter : [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: type 'Null' is not a subtype of type 'String' in type cast
10-30 17:06:50.373 24940 24962 E flutter : #0 new LinkedHashMap.from.<anonymous closure> (dart:collection/linked_hash_map.dart:187)
10-30 17:06:50.373 24940 24962 E flutter : #1 _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:633)
10-30 17:06:50.373 24940 24962 E flutter : #2 new LinkedHashMap.from (dart:collection/linked_hash_map.dart:186)
10-30 17:06:50.373 24940 24962 E flutter : #3 new InvokeMethodPayload.fromJson (package:flet/src/protocol/invoke_method_payload.dart:19)
10-30 17:06:50.373 24940 24962 E flutter : #4 FletServer._onMessage (package:flet/src/flet_server.dart:238)
10-30 17:06:50.373 24940 24962 E flutter : #5 FletTcpSocketServerProtocol._onMessage (package:flet/src/flet_server_protocol_tcp_socket.dart:125)
10-30 17:06:50.373 24940 24962 E flutter : #6 FletTcpSocketServerProtocol.connect.<anonymous closure> (package:flet/src/flet_server_protocol_tcp_socket.dart:94)
10-30 17:06:50.373 24940 24962 E flutter : #7 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594)
10-30 17:06:50.373 24940 24962 E flutter : #8 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:365)
10-30 17:06:50.373 24940 24962 E flutter : #9 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:297)
10-30 17:06:50.373 24940 24962 E flutter : #10 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:784)
10-30 17:06:50.373 24940 24962 E flutter : #11 _StreamController._add (dart:async/stream_controller.dart:658)
10-30 17:06:50.373 24940 24962 E flutter : #12 _StreamController.add (dart:async/stream_controller.dart:606)
10-30 17:06:50.373 24940 24962 E flutter : #13 _Socket._onData (dart:io-patch/socket_patch.dart:2455)
10-30 17:06:50.373 24940 24962 E flutter : #14 _RootZone.runUnaryGuarded (dart:async/zone.dart:1594)
10-30 17:06:50.373 24940 24962 E flutter : #15 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:365)
10-30 17:06:50.373 24940 24962 E flutter : #16 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:297)
10-30 17:06:50.373 24940 24962 E flutter : #17 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:784)
10-30 17:06:50.373 24940 24962 E flutter : #18 _StreamController._add (dart:async/stream_controller.dart:658)
10-30 17:06:50.373 24940 24962 E flutter : #19 _StreamController.add (dart:async/stream_controller.dart:606)
10-30 17:06:50.373 24940 24962 E flutter : #20 new _RawSocket.<anonymous closure> (dart:io-patch/socket_patch.dart:1942)
10-30 17:06:50.373 24940 24962 E flutter : #21 _NativeSocket.issueReadEvent.issue (dart:io-patch/socket_patch.dart:1385)
10-30 17:06:50.373 24940 24962 E flutter : #22 _microtaskLoop (dart:async/schedule_microtask.dart:40)
10-30 17:06:50.373 24940 24962 E flutter : #23 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49)
10-30 17:06:50.373 24940 24962 E flutter :
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