App crash

[lucian-ma]

flutter: ++++++++++++++++++
flutter: Pointer: address=0x2835a9a00
flutter: ++++++++++++++++++
[ 3][t 0][1615194033.101557016][Client.cpp:267][&td_requests] Begin to wait for updates with timeout 60.000000
[ 3][t 0][1615194033.102303982][Client.cpp:273][&td_requests] End to wait for updates, returning object 0 0x281994e90
flutter: --------------result---------------
flutter: {@type: updateConnectionState, state: {@type: connectionStateReady}}
flutter: ++++++++++++++++++
flutter: Pointer: address=0x2835a9a00
flutter: ++++++++++++++++++
[ 3][t 0][1615194033.108127117][Client.cpp:267][&td_requests] Begin to wait for updates with timeout 60.000000
[ 3][t 4][1615194043.064913988][ConnectionCreator.cpp:1150][#1][!ConnectionCreator] [hash:0x5a4a91c8e92c41ac] wakeup
[ 3][t 4][1615194043.065031052][ConnectionCreator.cpp:925][#1][!ConnectionCreator][&connections] In client_loop: [client:0x5a4a91c8e92c41ac]
[ 3][t 4][1615194043.065084934][ConnectionCreator.cpp:932][#1][!ConnectionCreator][&connections drop] Drop expired [connection:0x14fe073e0]
[ 3][t 4][1615194043.065135241][ConnectionCreator.cpp:932][#1][!ConnectionCreator][&connections drop] Drop expired [connection:0x14fe172d0]
[ 3][t 4][1615194049.542001963][ConfigManager.cpp:561][#1][!Recoverer][&config_recoverer] Successfully connected
[ 3][t 4][1615194049.542123079][ConfigManager.cpp:622][#1][!Recoverer][&config_recoverer] Wakeup NEVER
[ 4][t 4][1615194063.018689156][BufferedFd.h:184][#1][!Session:5:main] Flush write: +220B[left:0B]
[ 4][t 4][1615194063.018831968][Session.cpp:1226][#1][!Session:5:main] Wakeup after 59.999589
[ 4][t 4][1615194063.020509005][Session.cpp:1226][#1][!Session:5:main] Wakeup after 59.997916
[ 3][t 0][1615194093.113466263][Client.cpp:273][&td_requests] End to wait for updates, returning object 0 0x0

• thread Building shared object for JNI #9, name = 'io.flutter.1.ui', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
  frame #0: 0x0000000115bb15e0
  -> 0x115bb15e0: ldrb w1, [x16]
  0x115bb15e4: lsl x0, x1, macOS build error (readline) #1
  0x115bb15e8: ret
  0x115bb15ec: ldur x6, [x24, #0x37]
  Target 0: (Runner) stopped.
  Lost connection to device.

  while(true){
  print('++++++++++++++++++');
  print(_client);
  print('++++++++++++++++++');
  var res = await TdClient.clientReceive(_client);
  _onEvent(res);
  }

i donot konw why crash

[levlam]

You are trying to access null in your Flutter code, because clientReceive response isn't checked against null.

[lucian-ma]

You are trying to access null in your Flutter code, because clientReceive response isn't checked against null.
thanks,you are right, it works