no print in android

[ghost]

I/flutter ( 7963): config...............{width: 40, height: 35, gap: 3}
E/DisplayEventDispatcher( 7963): dispatcher 0x6f68c97d40 ~ last event processed while scheduling was for 41732203
E/DisplayEventDispatcher( 7963): dispatcher 0x6f68c97d40 ~ last event processed while scheduling was for 41732270
E/BluetoothPort( 7963): read length1
E/DeviceConnFactoryManager( 7963): ******************* read 1
E/DeviceConnFactoryManager( 7963): ******************* wait read

stops by this message. nothing is printing

[nishant678]

blutooth_print not working, nothing is printing