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Questions tagged [react-native-ble-manager]

35 questions
2
votes
1 answer

react native - crash the app when I call scan function with react-native-ble-manager

I used for the first time react-native-ble-manager. The app has all the permissions, however when I run the BleManager.scan() the app is closing without any error or logs. I know the code is a little ugly but it's just for testing, the first second…
damooo
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2
votes
0 answers

React-Native BLE Manager works on Android but not IOS (could not find service with uuid)

I coded a JavaScript react-native project and ran it on my Android phone & iPhone. It works on android phone but it doesn't work on iPhone. I am Using BLE manager Library. I can find & connect devices using ios and android. I can subscrible and…
HUV
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1
vote
1 answer

Using react native blemanager I am getting permission problems

I am making an app and part of it is detecting nearby bluetooth devices. When I press scan for bluetooth devices. I get this error on android, it said, need android.permission.BLUETOOTH_SCAN permission for AttributionSource {uid= 10162, packageName…
Griffin Doherty
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1
vote
1 answer

BleManager not work on Android Api Level 31

I have a app which scans the bluetooth devices. It was working well until android says api level must be 31 or higher. So i change my code like below: buildscript { ext { buildToolsVersion = "29.0.3" minSdkVersion = 21 …
Furkan KARABABA
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1
vote
1 answer

listen to click-event from connected button BLE peripheral, while app is in background

As the title suggests, im trying to listen for click-event from my connected BLE peripheral device even after my react-native app is killed/background mode. While connected i have a notification subscription on my BLE peripheral device and everytime…
cc_9313
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vote
0 answers

How to decode BleManager.read response?

I am trying to do this: const readGlucose = (id, serviceUUID, charasteristicUUID) => { BleManager.read(id, serviceUUID, charasteristicUUID) .then(res => { console.log('read response', res); // [229, 7, 7, 27, 12, 19, 0] if (res) { …
Marcus Vinicius
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1
vote
0 answers

ReactNative ble manager is not reading data from peripheral on IOS

I am building a ReactNative application for both IOS and Android platforms. My app needs to read data from another device via BLE communication. I am using this package for implementing BLE communication,…
Wai Yan Hein
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vote
0 answers

how to fetch the heart rate of a smartband with react-native-ble-manager

how to fetch the heart rate of a smartband with react-native-ble-manager, I need a method to capture the heart rate react-native react-native-ble-manager
Anderson
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1
vote
1 answer

I can't make run the blemanager.start because promise rejection id:0 null is not an object

I can't start the ble manager in my code. I use expo. I tried a lot of solutions I found on internet but none worked for me. When i get out the blemanager.start my app run correctly. I don't find any kind of doc about promise in React native...…
Grégoire Antoine
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1
vote
1 answer

BLE Connection failure : Connection is refused due to unacceptable BD_ADDR

My setup is as follows: BLE Peripheral in Raspberry Pi 3 nRF tool in Android Phone My App in the same Android Phone (uses react-native-ble-manager) When I connect to the Raspberry Pi using nRF tool, it connects successfully. But, when I connect…
spockshr
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0
votes
0 answers

react native android app crash after paired with ble device

I am using react-native-ble-manager to connect ble device. After I connected with my app, I try to paired the ble device and my phone with BleManager.createBond and return a success message. However, after a few second, my app crash without any…
tommyt4a
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votes
0 answers

Using react-native-ble-plx in Expo, creating a new BleManager gets me: "TypeError: Cannot read properties of undefined (reading 'createClient')"

I'm using the react-native-ble-plx library for a React Native project in Expo, but every time get the same error. Console error I've written my own app, and I've also cloned projects on GitHub that use react-native-ble-plx, but I always get this…
Moineau _
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0
votes
0 answers

Bluetooth enable not working on android 12 React native

According to android api leavel 31 I have updated code. before I am trying to enable bluetooth using PermissionsAndroid.request(PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION). for android 12 I have tried with multiple request like this const…
Ravindra Nakrani
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0 answers

Issues with yarn test using react-native-ble-manager

the problem I've created a BLE project and I'm facing several issues when trying to perform basic unit tests with the dependency. I couldn't find any resources on YouTube or the official library repository regarding this matter. I'm not sure how to…
mizerski
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0
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2 answers

I am using react-native-ble-manager, BleManager.scan() is not returning a peripheral id or uuid on Android 12, but it is working on iOS

Using react-native-ble-manager package -- when performing BleManager.scan(), I am not getting back a peripheral uuid or id on Android 12. I am correctly passing through params of (serviceUuid, scan seconds, boolean). I am getting back a peripheral…
Wafflewaffle
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