I am developing a app in which I am receiving data from a BLE Device. These data is received periodically inside an overriden method named onCharacteristicChange() which is the method of my created class BLEGattCallBack. Now, I want this data in my particular fragment, whenever I navigate to that Fragment. How can I access that ..
Category : bluetooth-lowenergy
this Android App is aimed to detect two BLE Beacons, this two different UUIDs. This is a pretty interesting project, able to detect different beacons and react accordingly to this. As far as I’m using more than one BLE beacon I try to use Threads to solve the issue, but the Thread 02 does not ..
Android "Share it" app use bluetooth to pair two device. Which method use by SHAREit. Simple Bluetooth. Bluetooth Low Energy. Bluetooth Advertising. Or Other. Thank..you Source: Android Studio..
I am working on a mobile app where I am doing the following to get the data from my sensors. Running a BLE scan in the foreground service. Detect bluetooth on/off states and automatically starting and stopping the BLE scan. Restart BLE scan every 3mins (I read somewhere that BLE scans automatically stops when run ..
I try to connect my Android phone to a BLE device (Bluefruit Feather 32u4 board), but I get immediately disconnected in the onServicesDiscovered() function in the Gatt Callback. I successfully connect to the device in the onConnectionStateChange() method so I call onServicesDiscovered() and then get disconnected. Any idea why? I’d be grateful for any ideas. ..
I need to find out if the phone my app is running on supports the BT 4.2 bluetooth privacy extensions. If so, it will tell a BT connected device to do the same, if not it will not enable it. Is there a way to find out programmatically if the underlying Android supports the privacy ..
I have an access system based on BLE controllers and a cloud service. We’re going to implement the "hands-free" mode for getting access to the restricted area. It means: user don’t need to get a smartphone to enable the access (it should work the whole work day) the smartphone should scan/find BLE controllers in the ..
I am new to android studio and am able to receive the following data in Logcat but now need to be able to see that data in the app. How am I able to change this code to do that? @Override public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { super.onCharacteristicChanged(gatt, characteristic); byte[] value = characteristic.getValue(); Log.i(“BLE”, ..
I’m working on an android app to get data from a ble device. I have my BluetoothDevice as object. When i get type, adress and name i have no problema but when i use the method getUuids i get null as result. I don’t know what the problem is. Maybe i should use fetchUuidsWithSdp? When ..
I am developed one BLE project in android, In that i Connect, disconnect and write command successfully. But problem is that in some of the android device i need to pair up ble device from the Android mobile Bluetooth setting. Only after that i successfully connect and write. While some of mobile don’t required this ..
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