デバイスをペアリングして接続したいのですが、問題があります。デバイスをペアリングできますが、接続できません。この問題を解決する方法を知りたいです。恐れ入りますが、問題について十分に説明していません。手段を接続できません。スマートフォンをBluetoothヘッドセットに接続し、ペアリングすることしかできません。コードは次のとおりです。
if (btAdapt.isEnabled()) {
tbtnSwitch.setChecked(false);
} else {
tbtnSwitch.setChecked(true);
}
// ============================================================
IntentFilter intent = new IntentFilter();
intent.addAction(BluetoothDevice.ACTION_FOUND);
intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
registerReceiver(searchDevices, intent);
}
private BroadcastReceiver searchDevices = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Bundle b = intent.getExtras();
Object[] lstName = b.keySet().toArray();
for (int i = 0; i < lstName.length; i++) {
String keyName = lstName[i].toString();
Log.e(keyName, String.valueOf(b.get(keyName)));
}
BluetoothDevice device = null;
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
device = intent
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (device.getBondState() == BluetoothDevice.BOND_NONE) {
String str = "no pair|" + device.getName() + "|"
+ device.getAddress();
if (lstDevices.indexOf(str) == -1)
lstDevices.add(str);
adtDevices.notifyDataSetChanged();
}
}else if(BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)){
device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
switch (device.getBondState()) {
case BluetoothDevice.BOND_BONDING:
Log.d("BlueToothTestActivity", "it is pairing");
break;
case BluetoothDevice.BOND_BONDED:
Log.d("BlueToothTestActivity", "finish");
connect(device);
break;
case BluetoothDevice.BOND_NONE:
Log.d("BlueToothTestActivity", "cancel");
default:
break;
}
}
}
};
@Override
protected void onDestroy() {
this.unregisterReceiver(searchDevices);
super.onDestroy();
android.os.Process.killProcess(android.os.Process.myPid());
}
class ItemClickEvent implements AdapterView.OnItemClickListener {
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3)
{
if(btAdapt.isDiscovering())btAdapt.cancelDiscovery();
String str = lstDevices.get(arg2);
String[] values = str.split("\\|");
String address = values[2];
Log.e("address", values[2]);
BluetoothDevice btDev = btAdapt.getRemoteDevice(address);
try {
Boolean returnValue = false;
if (btDev.getBondState() == BluetoothDevice.BOND_NONE) {
BluetoothDevice.createBond(BluetoothDevice remoteDevice);
Method createBondMethod = BluetoothDevice.class
.getMethod("createBond");
Log.d("BlueToothTestActivity", "start");
returnValue = (Boolean) createBondMethod.invoke(btDev);
}else if(btDev.getBondState() == BluetoothDevice.BOND_BONDED){
connect(btDev);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
private void connect(BluetoothDevice btDev) {
UUID uuid = UUID.fromString(SPP_UUID);
try {
btSocket = btDev.createInsecureRfcommSocketToServiceRecord(uuid);
Log.d("BlueToothTestActivity", "connecting...");
btSocket.connect();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
class ClickEvent implements View.OnClickListener {
public void onClick(View v) {
if (v == btnSearch)
{
if (btAdapt.getState() == BluetoothAdapter.STATE_OFF) {
Toast.makeText(BlueToothTestActivity.this, "please open", 1000)
.show();
return;
}
if (btAdapt.isDiscovering())
btAdapt.cancelDiscovery();
lstDevices.clear();
Object[] lstDevice = btAdapt.getBondedDevices().toArray();
for (int i = 0; i < lstDevice.length; i++) {
BluetoothDevice device = (BluetoothDevice) lstDevice[i];
String str = "pair|" + device.getName() + "|"
+ device.getAddress();
lstDevices.add(str);
adtDevices.notifyDataSetChanged();
}
setTitle("address：" + btAdapt.getAddress());
btAdapt.startDiscovery();
} else if (v == tbtnSwitch) {
if (tbtnSwitch.isChecked() == false)
btAdapt.enable();
else if (tbtnSwitch.isChecked() == true)
btAdapt.disable();
} else if (v == btnDis)
{
Intent discoverableIntent = new Intent(
BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoverableIntent.putExtra(
BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
startActivity(discoverableIntent);
} else if (v == btnExit) {
try {
if (btSocket != null)
btSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
BlueToothTestActivity.this.finish();
}
}
}
}