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The source code is released under:
Apache License
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package com.fizzbuzz.android.bluetooth; //from ww w . ja va 2s . c o m import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import com.fizzbuzz.android.dagger.InjectingBroadcastReceiver; import java.util.HashSet; import java.util.Set; /** * A BroadcastReceiver which can be used to listen for and process bluetooth discovery intents */ public class BluetoothDiscoveryBroadcastReceiver extends InjectingBroadcastReceiver { private Set<BluetoothDevice> mDiscoveredUnpairedDevices = new HashSet<BluetoothDevice>(); public BluetoothDiscoveryBroadcastReceiver() { } public void register(final Context context) { // Register for broadcasts when a device is discovered IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND); context.registerReceiver(this, filter); // Register for broadcasts when discovery has finished filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED); context.registerReceiver(this, filter); } public void unregister(final Context context) { context.unregisterReceiver(this); } @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); // When a device is discovered, if it was not already paired, add it to the set if (BluetoothDevice.ACTION_FOUND.equals(action)) { BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); if (device.getBondState() != BluetoothDevice.BOND_BONDED) { mDiscoveredUnpairedDevices.add(device); } } // if discovery has finished, invoke the handler method and unregister this receiver else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) { onDiscoveryFinished(mDiscoveredUnpairedDevices); unregister(context); } } protected void onDiscoveryFinished(final Set<BluetoothDevice> discoveredUnpairedDevices) { } }