Android 10 ble connection issues BleClient. I have an LED on the device to indicate connection state. Jan 28, 2020 · It used to work just fine but we now have problems when using Samsung devices with Android 10. I'm trying to do a little different than this tutorial by using a List Picker to open a new list with all BT (nicer would be to open the app Oct 20, 2016 · NEW CHANGE IN ANDROID 10. Apr 17, 2024 · This report resulted in a fix in Android 13 QPR1 that we helped test when QPR1 was in Beta 2, and we have other reports that Google is still working on at the time of writing: Android 13: Unable to read value from an encrypted Bluetooth Low Energy GATT characteristic and Android 13: onCharacteristicRead status 133 upon confirming OS bonding dialog. I can disconnect the connection on both sides by exiting the app, and running the connection kill command on the RN4871, but when I set the app in advertising mode again, and try to connect to the newly listed bonded device, the connection never happens and it just cycles. Did anyone have similar issues or know how to debug at a deeper level? I'm writing an Android app to connect to a BLE peripheral device. It appears that we can connect to the device and send few small-ish messages, but when trying to send something a bit bigger (around 40 bytes), writing to the BLE characterisics fails. The issue is the duration from connectGatt() call to the point of receiving onConnectionStateChange STATE_CONNECTED are so inconsistent. Differences I found after comparision: For some reason OnePlus with Android 9 doesn't seem to be using White List at all, where Android 10 Pixel always adds the device to the White List before the connection. 0 Module that includes Bluetooth Low Energy (BLE) , the app connect with it through "Ble Connection" and each time the device push a new data the app will notify about it, the app Also has a generate pdf report feature. On Android 9 connections occur happily and without issue however since users have started moving to Android 10 we have been receiving complaints (from S10 users) that BLE is no longer working. Issue: After setting MTU>23 on Samsung Device (S10e) running Android 10 and writing data to a characteristic the connection times-out and is closed. Jan 13, 2016 · Using the BlueZ btmon tool I see no HCI traffic when trying to connect. The problem was introduced with Learn how to check your Android version. On Android 10 (API 29), permissions changed and now require ACCESS_FINE_LOCATION for BLE scanning if it is your compilation target. There is no onConnectionStateChange called after a long period of 'attempting to connect to device' and I've found no obvious way to cancel the connecton attempt if this goes on too long either, which leaves me concerned that if I attempt to connect to a different device by starting a connect with it, this previous connect attempt with the Jun 8, 2020 · Samsung Android 10 DFU + BLE Connection issues. connect call thereafter from connecting to the peripheral. 5ms. Oct 17, 2019 · Android 10 is not working, anyone please answer the question for the version 10 issues for scanning BLE Bluetooth. Hm10 - Device May 20, 2014 · 1- Changing the connection interval: Currently Android uses 7. I did not yet try a different Android device but I will do so as soon as possible. Since the computation on BLE chip takes time, packets are not sent or received during the computation. That makes me guess the problem is somewhere in my BlueZ HCI configuration or inside Android or my Android hardware. On Android 10 (API 29), permissions changed and now require ACCESS_FINE_LOCATION for BLE scanning if it is your compilation target. Confirm that your devices are paired and connected. It's mean that you must use GATT functionality for communication. So, few code lines for example, how work with BLE: 1. 1) as well as iPhones. The issue appears to be that GATT connections start returning status 133 and the only way we have found to Apr 2, 2019 · I'm building an android app to make BLE payments (contactless payments). Android 4. 2, Galaxy Nexus. ACCESS_COARSE_LOCATION doesn't work anymore in Android 10. Root cause : The reason for the timeout is the phone hardware is not actually sending anythingso the end device does not respond(ack). Learn how to turn Bluetooth on and off. The App Is Connect With Hm10 Device which is a Bluetooth 4. Some time it is very quick but most of the time it takes Apr 1, 2021 · When I get back, I need to disable and enable the connection via app to receive another permission from android to acces the BLE. Jul 11, 2022 · Having a similar issue with Android 11. Oct 31, 2019 · android 10 for BLE Bluetooth connection is not connected , i will set all permission also but i get connection status 133 issues ,how to solve this issues ,here i declare the scanning and callback code ,please check and give your idea Nov 12, 2019 · I've prepared similar log package from Android 9 where this problem doesn't occur. Android version 10. Created issue 359 which details what I'm experiencing. Much of the stuff in android BLE communication is asynchronous. . Apr 18, 2023 · If you're experiencing any Bluetooth connection problems, then don't worry. connectGatt(), you need to wait for the onConnectionStateChange callback before doing the next thing. Mar 8, 2021 · But then the app seems to freeze. Only workaround we have found for now - is not to request MTU at all, but it makes data uploading too slow. This is because direct connect now uses the white list just like auto connects. We have an mobile app that uses BLE to connect to a remote device that we manufacture. But if you target Android 10 then you need ACCESS_FINE_LOCATION to scan BLE. I have found that for Android, the default connection interval is fixed to 7. Jul 16, 2014 · I'm not sure, but HM -10 don't support rfcom. I have a few questions/doubts: 1) Is there a way to set/override the connection or notification interval of BLE central device. Turn Bluetooth off and then on again. Entity of BLE is usage of minimum data package as it possible, so BLE don't hold the connection all times and use something like statuses [attributes]. I have two apps to build : One which will play the role of the gatt server ( advertising and providing services with characteristics), and the other one to scan advertising devices, connect to the first one and start a request. You don't provide any information in what way it fails. 4. Feb 4, 2020 · Hi. I'm not sure where to even begin addressing this issue. 5 msec as connection interval. Since Android 10, the direct connect queue is removed and will not temporarily pause auto connects any more. Jan 12, 2021 · Attempting the exact same actions on other phones all work perfectly, including other phones running the same version of Android (10) and the same Bluetooth version (5. However, if you've compiled against API 28, and have ACCESS_COARSE_LOCATION, it should continue to work on Android 10. I have tested the BLE connection and DFU update with various phones such as the Nexus, Pixel Dec 24, 2024 · Hi everyone, I'm trying to write a very simple app to connect my Arduino Nano 33 IoT with my phone (P30 Pro) using the bluetooth. Everything is fixable — especially with our 11 suggestions. Nov 6, 2019 · The issue is triggered after the attempt to connect to the first bonded device which seems to corrupts all future connection attempts for both devices. Work Around: The connection gets succeeded if the mobile phone goes for a restart or Flight mode ON/OFF toggle happens. I found a very nice guide in a [previous post] (First MIT App Inventor Project - Arduino BLE) explaning exactly what I want. Oct 5, 2020 · Scenario : First time connection works fine, but second time onwards connection is NOT working if we switch OFF and ON in between. Learn how to pair and Feb 16, 2020 · Requesting MTU causes 100% disconnect (Reason 0x8 - Timeout), while sending large data blocks over BLE. I am developing a BLE application on Nexus 4 using Android BLE API. So when you call Device. disconnect disconnects from BLE peripheral, but there's some setting that isn't fully implemented which prevents the first BleClient. And now, after updating the extension, the old versions of Android are unable to see the list of devices, so I need to make two versions of the same application, one for Andoid 10 and one for the older ones. Increasing the connection interval will decrease the number of lost packets. The scan window/interval is improved while a direct connect is ongoing. ompsljm gogcxgg txlodugk fayilvim tumty bdgz qkigt mhxva itzxvf ypkp