alt236 / bluetooth-le-library---android Goto Github PK

I am new to this android development. I am making an app to detect the BLE attributes of my Eddystone beacon.

It is showing an error in onLeScan method. I would really appreciate if someone can help.

Thanks

The service or characteristic id may have some error, for example:
public static final String LINK_LOSS = "00001804-0000-1000-8000-00805f9b34fb";
it should be 1803 for LINK_LOSS

Hi,
I am trying to make this sample supportable for multiple devices but not able to successfully connect with multiple ones.
I read some where to create Multiple Gatt instances to support multiple devices but still got random disconnect.
Can you help me for this assignment, i am not expecting code but guidance will be more precious.

A leading '0' is being omitted when an integer value of uuid[i] is less than 0x0F.

How would you compute the distance if there's no txPower?

Can you explain what to use to send some data over BT?
Is it writing/reading characteristic that will do the trick?

Thanks

hi all,
in my beacon device , can't assert as BeaconType.IBEACON.
how to revise it ?

02,0x1 04,no connected
1A,data len
FF,Manufacture
uuid ,major and minor id .
590002150112233445566778899AABBCCDDEEFF001020304

beacon raw data:
0x0201041AFF590002150112233445566778899AABBCCDDEEFF001020304C3

android ,6.0
android studio 3.01

05-11 10:54:58.546 26445-26445/uk.co.alt236.btlescan E/libc++abi: terminating with uncaught exception of type std::bad_alloc: std::bad_alloc
05-11 10:54:58.546 26445-26445/uk.co.alt236.btlescan A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 26445 (alt236.btlescan)

please can the device scan work as a service? so it can detect devices when the phone is not in use.

In Android 6.0 appear information log below:
D/BluetoothAdapter: startLeScan(): null
And the program not in LeScanCallback (onLeScan), what's wrong with it ?
thanks~

This shows #9 Name having 26 characters when shown "As String", which is correct.
But the display "As Array" only shows the last 24 characters.

This would make it much easier for devices without access to the Play Store (e.g. BlackBerry).

Since in Java all primitive types are signed, we could receive a negative advertisement length. In that case, the library doesn't consider this case and it must be converted to unsigned int.

Everything is resolving properly except for objectcursor. I went through code, searched on GitHub and googled. But I couldn't find a reference anywhere. What do I do? How do I resolve this properly?

Equipment is beside, "Distance" has 20 M

...in this method:

protected static double calculateAccuracy(int txPower, double rssi) {
  if (rssi == 0) {
    return -1.0; // if we cannot determine accuracy, return -1.
  }

  double ratio = rssi*1.0/txPower;
  if (ratio < 1.0) {
    return Math.pow(ratio,10);
  }
  else {
    double accuracy =  (0.89976)*Math.pow(ratio,7.7095) + 0.111;    //these
    return accuracy;
  }
}   

thanks

Hi

I am using the sample here with the library, and i came across a situation where in, the beacon gets detected when the cell is put into it, but when removed, the list is not refreshed until i press the scan button. is there a way i could be able to track that a beacon device is no longer part of the list? Please assist?

i notice that onScanResult log also stops when the beacon is not detected,but i could not track the log anywhere in the code.

Thanks

Beacon Scanning stops after 30 minutes

It says critical batteries but its not dead help

When the application starts, I first open the intentservice to download the audio, then opened the service to scan the Bluetooth equipment ibeacon. At this point, I found the picture from the server to download very slowly, in the local load is not affected.

I think the child thread may be blocked, how to solve it.

android os: huawei 6.0 and xiaomi 5.0

The README says to run ant jar in the library/ directory - however there is no library/build.xml for Ant to work with.