@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// Register the BroadcastReceiver
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
filter.addAction(BluetoothDevice.ACTION_UUID);
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
registerReceiver(mReceiver, filter); // Don't forget to unregister
// during onDestroy
// Editing beyond this point
// Get local Bluetooth adapter
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
// If the adapter is null, then Bluetooth is not supported
if (mBluetoothAdapter == null) {
Toast.makeText(this, "Bluetooth is not supported on this device.", Toast.LENGTH_LONG).show();
finish();
}
// This if-else statement is a request to turn Bluetooth on
// The body of the 'if' section should go in the on-create after login
// The else section should go in the onCreate of the "Play" activity.
if (!mBluetoothAdapter.isEnabled()) {
Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
// Else it is on, so let's make some magic happen
} else {
// Initialize ArrayAdapters for comparison
mScannedDevices = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
mListUsers = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
mNearbyUsers_MAC = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
mNearbyUsers_NAME = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
mListGames = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
// Scan for unpaired devices
scanForPlayers();
// Finally set the value of the ListView to the value of the
// mScannedDevices
// This is just a placeholder to make sure that the scan is behaving
// the correct way
listView = (ListView) findViewById(R.id.listOfPlayers);
listView.setAdapter(mScannedDevices);
}
// This code sets the Play button to INVISIBLE and then after 12 seconds
// (the length of time needed to scan for player) it sets it to VISIBLE
findViewById(R.id.playButton).setVisibility(View.INVISIBLE);
findViewById(R.id.playButton)
.postDelayed(
new Runnable() {
public void run() {
findViewById(R.id.playButton).setVisibility(View.VISIBLE);
}
},
12000);
}
public void scanForPlayers() {
// Start discovery of Bluetooth devices
if (!mBluetoothAdapter.isDiscovering()) mBluetoothAdapter.startDiscovery();
}