Added bluetooth discover activity

LocMessClient/app/src/main/java/pt/ulisboa/tecnico/cmu/tg14/locmessclient/BluetoothPairingActivity.java

@@ -0,0 +1,92 @@
+package pt.ulisboa.tecnico.cmu.tg14.locmessclient;
+
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ListView;
+import android.widget.SeekBar;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import pt.ulisboa.tecnico.cmu.tg14.locmessclient.DataObjects.ServicesDataHolder;
+import pt.ulisboa.tecnico.cmu.tg14.locmessclient.Services.BluetoothOperations;
+
+public class BluetoothPairingActivity extends AppCompatActivity {
+    private static final String TAG = "Pairing BT";
+    private ListView deviceList;
+    private Button refreshButton;
+    private ArrayAdapter<String> mDeviceListAdapter;
+    private List<String>  names;
+    private BluetoothAdapter mBluetoothAdapter;
+
+    private ServicesDataHolder dataHolder;
+
+    private BroadcastReceiver mBroadcastReceiver3 = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            final String action = intent.getAction();
+            Log.d(TAG, "onReceive: ACTION FOUND.");
+
+            if (action.equals(BluetoothDevice.ACTION_FOUND)){
+                BluetoothDevice device = intent.getParcelableExtra (BluetoothDevice.EXTRA_DEVICE);
+                List<BluetoothDevice> list = dataHolder.getBleContent();
+                list.add(device);
+                dataHolder.setBleContent(list);
+                names = dataHolder.getBleNames();
+                mDeviceListAdapter.notifyDataSetChanged();
+            }
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_bluetooth_pairing);
+
+        dataHolder = ServicesDataHolder.getInstance();
+
+        refreshButton = (Button) findViewById(R.id.button_refresh);
+        deviceList = (ListView) findViewById(R.id.list_bt_devices);
+
+        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+
+        // Enable discoverable
+        Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
+        discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
+        startActivity(discoverableIntent);
+
+
+        final ServicesDataHolder dataHolder = ServicesDataHolder.getInstance();
+        BluetoothOperations bluetoothOperations = BluetoothOperations.getInstance(this);
+        bluetoothOperations.stop();
+        names = dataHolder.getBleNames();
+        mDeviceListAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,names);
+        deviceList.setAdapter(mDeviceListAdapter);
+
+    }
+
+
+
+    public void btnDiscover(View view) {
+        Log.d(TAG, "btnDiscover: Looking for unpaired devices.");
+
+        if(mBluetoothAdapter.isDiscovering()){
+            mBluetoothAdapter.cancelDiscovery();
+            Log.d(TAG, "btnDiscover: Canceling discovery.");
+        }
+
+        mBluetoothAdapter.startDiscovery();
+        IntentFilter discoverDevicesIntent = new IntentFilter(BluetoothDevice.ACTION_FOUND);
+        registerReceiver(mBroadcastReceiver3, discoverDevicesIntent);
+    }
+}