Stuck on retrieveServices (not connected after connection?) #831
Description
Describtion
Hi, I've got this annoying bug it appears inconsistently every few times. It's really similar to this Issue [#402]
(#402)
It looks something like this:
- Connect do device
- Retrieve services -> and at this point the code hangs up
I never found out this bug after first run of my app (first connect). Only at second, etc. connection.
I can't find any mistakes because one time it works like a charm and other time it has a problem.
I found out that disabling and enabling Bluetooth on the phone and retrying connecting works
(But I can't make my users to disable and enable Bluetooth. Or can I ;) ha-ha).
My code
I've tried writing my code in 2 ways both have this bug.
async function internalConnect() {
await BleManager.connect(item.id);
console.log('after conn');
await BleManager.retrieveServices(item.id);
console.log('after retrive'); // <---if the bug appears I never get to see this log
await BleManager.write(
item.id,
global.GATTS_SECURITY_UUID,
global.GATTC_ACCESS_CODE_UUID,
stringToIntArray(code),
);
console.log('after write');
await BleManager.read(
item.id,
global.GATTS_SECURITY_UUID,
global.GATTC_ACCESS_CODE_UUID,
)
.then(readData => {
console.log('access code response: ' + readData);
//My other stuff here
})
.catch(error => {
// Failure code
console.log(error);
});
}
And this way:
BleManager.connect(item.id)
.then(() => {
console.log('connected to device');
setTimeout(() => {
BleManager.isPeripheralConnected(item.id, []).then(isConnected => {
//do not remove
if (isConnected) {
console.log('Peripheral is connected!');
} else {
console.log('Peripheral is NOT connected!');
Connect(); //<--- run the same function
return;
}
});
}, 900);
setTimeout(() => {
console.log('timeout');
BleManager.retrieveServices(item.id)
.then(PeripheralInfo => {
console.log(PeripheralInfo);
BleManager.write(
item.id,
global.GATTS_SECURITY_UUID,
global.GATTC_ACCESS_CODE_UUID,
stringToIntArray(code),
)
.then(() => {
console.log('written');
BleManager.read(
item.id,
global.GATTS_SECURITY_UUID,
global.GATTC_ACCESS_CODE_UUID,
)
.then(readData => {
console.log('access code response: ' + readData);
//My stuff here
})
.catch(error => {
handleConnectionErrors(error);
return;
});
})
.catch(error => {
handleConnectionErrors(error);
return;
});
})
.catch(error => {
handleConnectionErrors(error);
return;
});
}, 900);
})
.catch(error => {
handleConnectionErrors(error);
return;
});
In this way when the bug appears after running isPeripheralConnected I get Peripheral is NOT connected! So I've tried to resolve this by running this function again, but it just loops in this place and doesn't work.
How to Reproduce
Accually I don't know. It appears so random, I can't control it. I only know that it appears at second or next connections.
Smartphone:
- Device: xiaomi redmi note 7
- OS: android 10 QKQ1.190910.002
- react-native-cli: 2.0.1
- react-native: 0.66.4
- ble-manager: 8.0.1s
Btw, I really like this library. It's really intuitive :)