android-bluetooth

In our app, I'd like to connect to a previously paired A2DP Bluetooth Speaker and direct audio playback to it, using Android v4.2 or later. I can successfully create an A2DP profile object using this code to start the process: /* Manifest permissions */ <uses-permission android:name="android.permission.BLUETOOTH"/> <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/> // Get the default adapter BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); // Establish connection to the proxy. mBluetoothAdapter.getProfileProxy(this, mProfileListener, BluetoothProfile

i am working on a VoIP-Android-App. I would like to accept and decline Calls via a connnected Bluetooth Headset in an Activity. What I have tried so far: Using a Media Session to receive Media Button clicks. Problem: If we start BluetoothSCO we do not receive any Media Button clicks. If we do not start BluetoothSCO we do receive Media Button clicks but we cannot differentiate long and short button clicks because downtime is always 0, the keycode is always KEYCODE_MEDIA_PLAY and the ACTION_DOWN is immediately followed by ACTION_UP. Those problems only occur if we are connected via Bluetooth. If

My application is working perfect in wifi and mobile networks, but fails to detect when connected through bluetooth tethering. public boolean isNetworkAvailable() { ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = cm.getActiveNetworkInfo(); if (networkInfo != null && networkInfo.isConnected()) { return true; } return false; } I tried running a few other applications . they also shows no network connectivity, But google applications works perfect and so as some other apps like whatsap. Wondering how they are doing it, and

A bit stuck here, might need your help. I want to read several BLE characteristics at once, some people suggest using PriorityQueue for that. I already know all the uuids, etc. just need a way to read several at once. Could anyone explain how exactly should it look like? Or maybe there is yet another easier solution? Thanks in advance, here is my code: public static final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() { PriorityQueue<BluetoothGattCharacteristic> queue = new PriorityQueue<BluetoothGattCharacteristic>(); // When connection state changes @Override public void

In a simple app project at GitHub I have only 2 custom Java-files: MainActivity.java contains Bluetooth- and UI-related source code DeviceListAdapter.java contains an Adapter and ViewHolder for displaying Bluetooth devices in a RecyclerView The MainActivity.java contains a method to be called, when user taps on a Bluetooth device in the RecyclerView : public void confirmConnection(String address) { final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address); AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage("Do you want to pair to " + device + "?");

I am no Bluetooth specialist and wondering what possibilities are available to find already paired Bluetooth devices automatically when they are range of each other. Background : In our case an Android application needs to connect to a dedicated accessory via Bluetooth (Rfcomm). Both devices are known to each other (they are paired). The Android application registers a broadcast receiver. During the startup of the application, the app initiates a discovery to find the dedicated accessory. If the accessory is in range everything works great. Problem : The user starts the application outside the

I've got a Bluetooth device that has connected on all versions of Android that I have tried prior to 4.4.2. Now, it's not connecting on the Galaxy Tab 4 or the S3. The Tab 3 connects fine with 4.1.2. The problem seems to occur in the AcceptThread while trying to initialize the BluetoothSocket . The code I'm using is based off of the chat example in the sdk. My Accept code private class AcceptThread extends Thread { // The local server socket private BluetoothServerSocket mmServerSocket; public boolean successInit = false; public AcceptThread() { closeAllConnections(); BluetoothServerSocket tmp

Recently I tried to get a pairing process to work programatically and I succeded. But I recently found out that the users of my application can be connected to several of "interesting" devices. So I have to prompt the user to choose a device to connect to So I have to connect the user to a already paired bluetooth device. But none of my efforts work. I tried running the pairing process again using the: tmp = device.createRfcommSocketToServiceRecord(MY_UUID); and also the following: Method m = mmDevice.getClass().getMethod("createRfcommSocket", new Class[] {int.class}); mmSocket =