У меня есть простой вопрос:Bluetooth отправить текст на другое устройство
первых, это все мой код:
пакет com.example.mybluetoothapp;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.view.Menu;
import android.widget.Toast;
public class MainActivity extends Activity {
List<BluetoothDevice> devices = new ArrayList<BluetoothDevice>();
BroadcastReceiver broadcastReceiver;
BluetoothAdapter bluetoothAdapter;
public UUID serverUuid = UUID.fromString("SERVEUR");
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (bluetoothAdapter == null) {
Toast.makeText(this, "Votre appareil n'a pas de Bluetooth",
Toast.LENGTH_LONG).show();
finish();
}
if (!bluetoothAdapter.isEnabled()) {
Intent bluetoothIntent = new Intent(
BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(bluetoothIntent, 1);
}
Set<BluetoothDevice> pairedDevices = bluetoothAdapter
.getBondedDevices();
if (pairedDevices.size() > 0) {
for (BluetoothDevice bluetoothDevice : pairedDevices) {
devices.add(bluetoothDevice);
}
}
broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
devices.add(device);
}
}
};
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(broadcastReceiver, filter);
Intent dicoverableIntent = new Intent(
BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
dicoverableIntent.putExtra(
BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
startActivity(dicoverableIntent);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
protected void onDestroy() {
unregisterReceiver(broadcastReceiver);
super.onDestroy();
}
private class AcceptThread extends Thread {
BluetoothServerSocket bluetoothServerSocket;
public AcceptThread() {
BluetoothServerSocket serverSocketTmp = null;
try {
serverSocketTmp = bluetoothAdapter
.listenUsingRfcommWithServiceRecord("Bluetooth APP",
serverUuid);
bluetoothServerSocket = serverSocketTmp;
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void run() {
BluetoothSocket socket = null;
while (true) {
try {
socket = bluetoothServerSocket.accept();
} catch (IOException e) {
e.printStackTrace();
}
if (socket != null) {
// TODO: Managed Connection
// TODO: Envoyer Bonjour et Bienvenue
try {
bluetoothServerSocket.close();
break;
} catch (IOException e) {
e.printStackTrace();
}
}
}
super.run();
}
private void cancel() {
try {
bluetoothServerSocket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
private class ConnectThread extends Thread {
BluetoothSocket socket;
BluetoothDevice device;
public ConnectThread(BluetoothDevice device) {
this.device = device;
BluetoothSocket socketTmp = null;
try {
socketTmp = device
.createRfcommSocketToServiceRecord(serverUuid);
socket = socketTmp;
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void run() {
bluetoothAdapter.cancelDiscovery();
try {
socket.connect();
} catch (IOException e) {
try {
socket.close();
} catch (IOException e1) {
e1.printStackTrace();
}
e.printStackTrace();
return;
}
// TODO: Manage connection
super.run();
}
private void cancel() {
try {
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private class ConnectedThread extends Thread {
private BluetoothSocket bluetoothSocket;
InputStream inputStream = null;
OutputStream outputStream = null;
public ConnectedThread(BluetoothSocket socket) {
bluetoothSocket = socket;
InputStream inputStreamTmp = null;
OutputStream outputStreamTmp = null;
try {
inputStreamTmp = bluetoothSocket.getInputStream();
outputStreamTmp = bluetoothSocket.getOutputStream();
} catch (IOException e) {
e.printStackTrace();
}
inputStream = inputStreamTmp;
outputStream = outputStreamTmp;
}
@Override
public void run() {
byte[] buffer = new byte[1024];
int bytes;
while (true) {
try {
bytes = inputStream.read(buffer);
// TODO: Envoyer message à l'affichage
} catch (IOException e) {
e.printStackTrace();
break;
}
}
super.run();
}
public void write(byte[] bytes) {
try {
outputStream.write(bytes);
} catch (IOException e) {
e.printStackTrace();
}
}
public void cancel() {
try {
bluetoothSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
я получить этот код с веб-сайта, пожалуйста, как я могу это нам послать «привет мир» bettween два смартфона?
пожалуйста, мне нужна помощь
спасибо
Попробуйте что-нибудь перед публикацией на SO. Мы поможем вам, если увидим усилия. –
Я клянусь все тесты, но я не знаю, как отправить текст, пожалуйста, помогите мне пожалуйста – Misskaty
Вы пробовали смотреть за этим [ссылка] (http://grepcode.com/file/repository.grepcode.com/java/ext/com .google.android/андроид-приложений/4.2_r1/ком/пример/Android/BluetoothChat/BluetoothChat.java). –