Bluetooth Low Energy max simultaneous connections [36993728]

Obsolete

Bug

Status Update

No update yet.

Description

np...@gmail.com

created issue #1

Apr 14, 2014 07:29PM

Using the Bluetooth Low energy stack I am able to connect simultaneously 6 peripherals, however the conection always fails at the 7th peripheral with the generic error code 257.

Looking at the debugger messages the failing function is registerClient() inside registerApp(). The function fails with the error code 133.

It seems that is imposed a limit of six periplherals, but the BLE specification states no limits on simultaneous connections.
Some workaround?

Is it a bug or an explicitely imposed limit?

I am using Android 4.4.2 on a Nexus 5 devices

Comments

se...@gmail.com <se...@gmail.com> #2Apr 30, 2014 04:49PM

[Comment deleted]

se...@gmail.com <se...@gmail.com> #3Apr 30, 2014 04:53PM

me too. The reason is my locate setting is off.

np...@gmail.com <np...@gmail.com> #4Apr 30, 2014 10:28PM

I have the same issue and I thought that my piece of code were wrong. It seems that this is a common mistake. Do you know how to solve it ?

en...@google.com <en...@google.com> Apr 1, 2015 05:00PM

Assigned to ma...@android.com.

ma...@android.com <ma...@android.com> Aug 24, 2015 07:46AM

Reassigned to ei...@google.com.

vi...@gmail.com <vi...@gmail.com> #5Sep 6, 2015 09:35PM

Ask user to enable the location settings and try to scan it.

he...@gmail.com <he...@gmail.com> #6Dec 4, 2015 11:41PM

The development team has fixed the issue that you have reported and it will be available in a future build.

ma...@gmail.com <ma...@gmail.com> #7Dec 21, 2015 04:36PM

If scanned results can expose user location, At least give us an interface that can provide basic information about the network such as name and a way to connect them. Even if we one can't scan for available networks, he can still connect to a particular known network by adding the known network configurations (wifiManager.addNetwork(conf)). So, at least, you can only give a boolean value determining the presence of known network devices.

zh...@gmail.com <zh...@gmail.com> #8Jun 29, 2018 06:09AM

WifiManager#getScanResults() returns null if GPS is turned off.

- Steps to reproduce the problem (including sample code if appropriate).
1. Use Nexus 5 (or 6) with M preview 3.
2. Turn on Wi-Fi of the smartphone.
3. Turn off GPS of the smartphone.
4. Prepare some APs around the smartphone, and activate them.

- What happened.
WifiManager#getScanResults() returns an empty array list.
(Wi-Fi setting of "Settings" also shows no APs and says "Searching for Wi-Fi networks...".)

- What you think the correct behavior should be.
WifiManager#getScanResults() returns a valid array list of currently found APs.

- Device and OS
Nexus 5, 6 with M preview 3

ei...@google.com <ei...@google.com> Oct 17, 2018 08:03PM

Status: Won't Fix (Obsolete)

pa...@gmail.com <pa...@gmail.com> #9Oct 17, 2018 08:57PM

I had confirmed the same with Nexus 5 Preview 3 (build num.: MPA44G).