Java 多活动蓝牙
我正试着用蓝牙连接几项活动 （DeviceList.java和LedControl.java的来源：） 这是我的密码： DeviceList.javaJava 多活动蓝牙,java,android,bluetooth,Java,Android,Bluetooth,我正试着用蓝牙连接几项活动 （DeviceList.java和LedControl.java的来源：） 这是我的密码： DeviceList.java public class DeviceList extends AppCompatActivity { Button btnPaired; ListView devicelist; private BluetoothAdapter myBluetooth = null; private Set<BluetoothDevice> p
public class DeviceList extends AppCompatActivity {
Button btnPaired;
ListView devicelist;
private BluetoothAdapter myBluetooth = null;
private Set<BluetoothDevice> pairedDevices;
public static String EXTRA_ADDRESS = "device_address";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_device_list);
btnPaired = (Button) findViewById(R.id.button);
devicelist = (ListView) findViewById(R.id.listView);
myBluetooth = BluetoothAdapter.getDefaultAdapter();
if ( myBluetooth==null ) {
Toast.makeText(getApplicationContext(), "Bluetooth device not available", Toast.LENGTH_LONG).show();
finish();
} else if ( !myBluetooth.isEnabled() ) {
Intent turnBTon = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(turnBTon, 1);
}
btnPaired.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
pairedDevicesList();
}
});
}
private void pairedDevicesList () {
pairedDevices = myBluetooth.getBondedDevices();
ArrayList list = new ArrayList();
if ( pairedDevices.size() > 0 ) {
for ( BluetoothDevice bt : pairedDevices ) {
list.add(bt.getName().toString() + "\n" + bt.getAddress().toString());
}
} else {
Toast.makeText(getApplicationContext(), "No Paired Bluetooth Devices Found.", Toast.LENGTH_LONG).show();
}
final ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, list);
devicelist.setAdapter(adapter);
devicelist.setOnItemClickListener(myListClickListener);
}
private AdapterView.OnItemClickListener myListClickListener = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String info = ((TextView) view).getText().toString();
String address = info.substring(info.length()-17);
Intent i = new Intent(DeviceList.this, ledControl.class);
i.putExtra(EXTRA_ADDRESS, address);
startActivity(i);
}
};
public class ledControl extends AppCompatActivity {
Button btn1, btn2, btn3, btn4, btn5, btnDis;
String address = null;
TextView lumn;
private ProgressDialog progress;
BluetoothAdapter myBluetooth = null;
BluetoothSocket btSocket = null;
private boolean isBtConnected = false;
static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent newint = getIntent();
address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS);
setContentView(R.layout.activity_led_control);
btn1 = (Button) findViewById(R.id.button2);
btn2 = (Button) findViewById(R.id.button3);
btn3 = (Button) findViewById(R.id.button5);
btn4 = (Button) findViewById(R.id.button6);
btn5 = (Button) findViewById(R.id.button7);
btnDis = (Button) findViewById(R.id.button4);
lumn = (TextView) findViewById(R.id.textView2);
new ConnectBT().execute();
btn1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent i = new Intent(ledControl.this, test.class);
i.putExtra(DeviceList.EXTRA_ADDRESS, address);
startActivity(i);
}
});
}
private void sendSignal ( String number ) {
if ( btSocket != null ) {
try {
btSocket.getOutputStream().write(number.toString().getBytes());
} catch (IOException e) {
msg("Error");
}
}
}
private void Disconnect () {
if ( btSocket!=null ) {
try {
btSocket.close();
} catch(IOException e) {
msg("Error");
}
}
finish();
}
private void msg (String s) {
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
}
private class ConnectBT extends AsyncTask<Void, Void, Void> {
private boolean ConnectSuccess = true;
@Override
protected void onPreExecute () {
progress = ProgressDialog.show(ledControl.this, "Connecting...", "Please Wait!!!");
}
@Override
protected Void doInBackground (Void... devices) {
try {
if ( btSocket==null || !isBtConnected ) {
myBluetooth = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice dispositivo = myBluetooth.getRemoteDevice(address);
btSocket = dispositivo.createInsecureRfcommSocketToServiceRecord(myUUID);
BluetoothAdapter.getDefaultAdapter().cancelDiscovery();
btSocket.connect();
}
} catch (IOException e) {
ConnectSuccess = false;
}
return null;
}
@Override
protected void onPostExecute (Void result) {
super.onPostExecute(result);
if (!ConnectSuccess) {
msg("Connection Failed. Is it a SPP Bluetooth? Try again.");
finish();
} else {
msg("Connected");
isBtConnected = true;
}
progress.dismiss();
}
}}
public class test extends AppCompatActivity {
String address = null;
private ProgressDialog progress;
BluetoothAdapter myBluetooth = null;
BluetoothSocket btSocket = null;
private boolean isBtConnected = false;
static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private TextView connect;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent newint = getIntent();
address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS);
setContentView(R.layout.activity_test);
connect = (TextView) findViewById(R.id.textView4);
new ConnectBT().execute();
}
private void msg (String s) {
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
}
private class ConnectBT extends AsyncTask<Void, Void, Void> {
private boolean ConnectSuccess = true;
@Override
protected Void doInBackground (Void... devices) {
try {
if ( btSocket==null || !isBtConnected ) {
myBluetooth = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice dispositivo = myBluetooth.getRemoteDevice(address);
btSocket = dispositivo.createInsecureRfcommSocketToServiceRecord(myUUID);
BluetoothAdapter.getDefaultAdapter().cancelDiscovery();
btSocket.connect();
}
} catch (IOException e) {
ConnectSuccess = false;
}
return null;
}
@Override
protected void onPostExecute (Void result) {
super.onPostExecute(result);
if (!ConnectSuccess) {
msg("Connection Failed. Is it a SPP Bluetooth? Try again.");
finish();
} else {
msg("Connected");
isBtConnected = true;
}
progress.dismiss();
}
}}
公共类设备列表扩展了AppCompative活动{
按钮btnPaired；
列表视图设备主义者；
专用蓝牙适配器myBluetooth=null；
专用配对设备；
公共静态字符串EXTRA_ADDRESS=“设备地址”；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity\u device\u list）；
btnPaired=（按钮）findviewbyd（R.id.Button）；
devicelist=（ListView）findViewById（R.id.ListView）；
myBluetooth=BluetoothAdapter.getDefaultAdapter（）；
如果（myBluetooth==null）{
Toast.makeText（getApplicationContext（），“蓝牙设备不可用”，Toast.LENGTH_LONG.show（）；
完成（）；
}如果（！myBluetooth.isEnabled（）），则为else{
Intent-turnBTon=新的Intent（BluetoothAdapter.ACTION\u REQUEST\u ENABLE）；
startActivityForResult（turnBTon，1）；
}
btnPaired.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）{
PairedDeviceList（）；
}
});
}
私有无效PairedDeviceList（）{
pairedDevices=myBluetooth.getBondedDevices（）；
ArrayList=新建ArrayList（）；
如果（pairedDevices.size（）>0）{
用于（蓝牙设备bt:pairedDevices）{
添加（bt.getName（）.toString（）+“\n”+bt.getAddress（）.toString（））；
}
}否则{
Toast.makeText（getApplicationContext（），“未找到配对的蓝牙设备。”，Toast.LENGTH_LONG.show（）；
}
最终ArrayAdapter=新的ArrayAdapter（这是android.R.layout.simple\u list\u item\u 1，list）；
devicelist.setAdapter（适配器）；
devicelist.setOnItemClickListener（myListClickListener）；
}
私有AdapterView.OnItemClickListener myListClickListener=new AdapterView.OnItemClickListener（）{
@凌驾
public void onItemClick（AdapterView父对象、视图、整型位置、长id）{
字符串信息=（（TextView）视图）.getText（）.toString（）；
字符串地址=信息子字符串（信息长度（）-17）；
意图i=新意图（DeviceList.this，ledControl.class）；
i、 putExtra（额外地址，地址）；
星触觉（i）；
}
};
public class DeviceList extends AppCompatActivity {
Button btnPaired;
ListView devicelist;
private BluetoothAdapter myBluetooth = null;
private Set<BluetoothDevice> pairedDevices;
public static String EXTRA_ADDRESS = "device_address";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_device_list);
btnPaired = (Button) findViewById(R.id.button);
devicelist = (ListView) findViewById(R.id.listView);
myBluetooth = BluetoothAdapter.getDefaultAdapter();
if ( myBluetooth==null ) {
Toast.makeText(getApplicationContext(), "Bluetooth device not available", Toast.LENGTH_LONG).show();
finish();
} else if ( !myBluetooth.isEnabled() ) {
Intent turnBTon = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(turnBTon, 1);
}
btnPaired.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
pairedDevicesList();
}
});
}
private void pairedDevicesList () {
pairedDevices = myBluetooth.getBondedDevices();
ArrayList list = new ArrayList();
if ( pairedDevices.size() > 0 ) {
for ( BluetoothDevice bt : pairedDevices ) {
list.add(bt.getName().toString() + "\n" + bt.getAddress().toString());
}
} else {
Toast.makeText(getApplicationContext(), "No Paired Bluetooth Devices Found.", Toast.LENGTH_LONG).show();
}
final ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, list);
devicelist.setAdapter(adapter);
devicelist.setOnItemClickListener(myListClickListener);
}
private AdapterView.OnItemClickListener myListClickListener = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String info = ((TextView) view).getText().toString();
String address = info.substring(info.length()-17);
Intent i = new Intent(DeviceList.this, ledControl.class);
i.putExtra(EXTRA_ADDRESS, address);
startActivity(i);
}
};
public class ledControl extends AppCompatActivity {
Button btn1, btn2, btn3, btn4, btn5, btnDis;
String address = null;
TextView lumn;
private ProgressDialog progress;
BluetoothAdapter myBluetooth = null;
BluetoothSocket btSocket = null;
private boolean isBtConnected = false;
static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent newint = getIntent();
address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS);
setContentView(R.layout.activity_led_control);
btn1 = (Button) findViewById(R.id.button2);
btn2 = (Button) findViewById(R.id.button3);
btn3 = (Button) findViewById(R.id.button5);
btn4 = (Button) findViewById(R.id.button6);
btn5 = (Button) findViewById(R.id.button7);
btnDis = (Button) findViewById(R.id.button4);
lumn = (TextView) findViewById(R.id.textView2);
new ConnectBT().execute();
btn1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent i = new Intent(ledControl.this, test.class);
i.putExtra(DeviceList.EXTRA_ADDRESS, address);
startActivity(i);
}
});
}
private void sendSignal ( String number ) {
if ( btSocket != null ) {
try {
btSocket.getOutputStream().write(number.toString().getBytes());
} catch (IOException e) {
msg("Error");
}
}
}
private void Disconnect () {
if ( btSocket!=null ) {
try {
btSocket.close();
} catch(IOException e) {
msg("Error");
}
}
finish();
}
private void msg (String s) {
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
}
private class ConnectBT extends AsyncTask<Void, Void, Void> {
private boolean ConnectSuccess = true;
@Override
protected void onPreExecute () {
progress = ProgressDialog.show(ledControl.this, "Connecting...", "Please Wait!!!");
}
@Override
protected Void doInBackground (Void... devices) {
try {
if ( btSocket==null || !isBtConnected ) {
myBluetooth = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice dispositivo = myBluetooth.getRemoteDevice(address);
btSocket = dispositivo.createInsecureRfcommSocketToServiceRecord(myUUID);
BluetoothAdapter.getDefaultAdapter().cancelDiscovery();
btSocket.connect();
}
} catch (IOException e) {
ConnectSuccess = false;
}
return null;
}
@Override
protected void onPostExecute (Void result) {
super.onPostExecute(result);
if (!ConnectSuccess) {
msg("Connection Failed. Is it a SPP Bluetooth? Try again.");
finish();
} else {
msg("Connected");
isBtConnected = true;
}
progress.dismiss();
}
}}
public class test extends AppCompatActivity {
String address = null;
private ProgressDialog progress;
BluetoothAdapter myBluetooth = null;
BluetoothSocket btSocket = null;
private boolean isBtConnected = false;
static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private TextView connect;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent newint = getIntent();
address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS);
setContentView(R.layout.activity_test);
connect = (TextView) findViewById(R.id.textView4);
new ConnectBT().execute();
}
private void msg (String s) {
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
}
private class ConnectBT extends AsyncTask<Void, Void, Void> {
private boolean ConnectSuccess = true;
@Override
protected Void doInBackground (Void... devices) {
try {
if ( btSocket==null || !isBtConnected ) {
myBluetooth = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice dispositivo = myBluetooth.getRemoteDevice(address);
btSocket = dispositivo.createInsecureRfcommSocketToServiceRecord(myUUID);
BluetoothAdapter.getDefaultAdapter().cancelDiscovery();
btSocket.connect();
}
} catch (IOException e) {
ConnectSuccess = false;
}
return null;
}
@Override
protected void onPostExecute (Void result) {
super.onPostExecute(result);
if (!ConnectSuccess) {
msg("Connection Failed. Is it a SPP Bluetooth? Try again.");
finish();
} else {
msg("Connected");
isBtConnected = true;
}
progress.dismiss();
}
}}
公共类ledControl扩展了AppCompative活动{
按钮btn1、btn2、btn3、btn4、btn5、btnDis；
字符串地址=空；
文本视图列；
私人进展对话进展；
蓝牙适配器myBluetooth=null；
BluetoothSocket btSocket=null；
私有布尔值isBtConnected=false；
静态最终UUID myUUID=UUID.fromString（“00001101-0000-1000-8000-00805F9B34FB”）；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
Intent newint=getIntent（）；
地址=newint.getStringExtra（DeviceList.EXTRA_地址）；
setContentView（R.layout.activity\u led\u控件）；
btn1=（按钮）findViewById（R.id.button2）；
btn2=（按钮）findViewById（R.id.button3）；
btn3=（按钮）findViewById（R.id.button5）；
btn4=（按钮）findViewById（R.id.button6）；
btn5=（按钮）findViewById（R.id.button7）；
btnDis=（按钮）findViewById（R.id.button4）；
列=（TextView）findViewById（R.id.textView2）；
新建ConnectBT（）.execute（）；
btn1.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图）{
意图i=新意图（ledControl.this，test.class）；
i、 putExtra（DeviceList.EXTRA\u地址，地址）；
星触觉（i）；
}
});
}
专用无效发送信号（字符串编号）{
if（btSocket！=null）{
试一试{
btSocket.getOutputStream（）.write（number.toString（）.getBytes（））；
}捕获（IOE异常）{
msg（“错误”）；
}
}
}
私有无效断开连接（）{
if（btSocket！=null）{
试一试{
btSocket.close（）；
}捕获（IOE异常）{
msg（“错误”）；
}
}
完成（）；
}
私有void消息（字符串s）{
Toast.makeText（getApplicationContext（），s，Toast.LENGTH_LONG.show（）；
}
私有类ConnectBT扩展异步任务{
private boolean ConnectSuccess=true；
@凌驾
受保护的void onPreExecute（）{
progress=ProgressDialog.show（ledControl.this，“正在连接…”，“请稍候！！！”；
}
@凌驾
受保护的Void doInBackground（Void…设备）{
试一试{
if（btSocket==null | |！isBtConnected）{
myBluetooth=BluetoothAdapter.getDefaultAdapter（）；
BluetoothDevice dispositivo=myBluetooth.getRemoteDevice（地址）；
btSocket=dispositivo.createInsurerCommsocketToServiceRecord（myUUID）；
BluetoothAdapter.getDefaultAdapter（）.cancelDiscovery（）；
btSocket.connect（）；
}
}捕获（IOE异常）{
成功=错误；
}
返回null；
}
@凌驾
受保护的void onPostExecute（void结果）{
super.onPostExecute（结果）；
如果（！连接成功）{
msg（“连接失败。是SPP蓝牙吗？请重试”）；
完成（）；
}否则{
msg（“已连接”）；
isBtConnected=true；
}
进步。解散（）；
}
}}
public class DeviceList extends AppCompatActivity {
Button btnPaired;
ListView devicelist;
private BluetoothAdapter myBluetooth = null;
private Set<BluetoothDevice> pairedDevices;
public static String EXTRA_ADDRESS = "device_address";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_device_list);
btnPaired = (Button) findViewById(R.id.button);
devicelist = (ListView) findViewById(R.id.listView);
myBluetooth = BluetoothAdapter.getDefaultAdapter();
if ( myBluetooth==null ) {
Toast.makeText(getApplicationContext(), "Bluetooth device not available", Toast.LENGTH_LONG).show();
finish();
} else if ( !myBluetooth.isEnabled() ) {
Intent turnBTon = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(turnBTon, 1);
}
btnPaired.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
pairedDevicesList();
}
});
}
private void pairedDevicesList () {
pairedDevices = myBluetooth.getBondedDevices();
ArrayList list = new ArrayList();
if ( pairedDevices.size() > 0 ) {
for ( BluetoothDevice bt : pairedDevices ) {
list.add(bt.getName().toString() + "\n" + bt.getAddress().toString());
}
} else {
Toast.makeText(getApplicationContext(), "No Paired Bluetooth Devices Found.", Toast.LENGTH_LONG).show();
}
final ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, list);
devicelist.setAdapter(adapter);
devicelist.setOnItemClickListener(myListClickListener);
}
private AdapterView.OnItemClickListener myListClickListener = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String info = ((TextView) view).getText().toString();
String address = info.substring(info.length()-17);
Intent i = new Intent(DeviceList.this, ledControl.class);
i.putExtra(EXTRA_ADDRESS, address);
startActivity(i);
}
};
public class ledControl extends AppCompatActivity {
Button btn1, btn2, btn3, btn4, btn5, btnDis;
String address = null;
TextView lumn;
private ProgressDialog progress;
BluetoothAdapter myBluetooth = null;
BluetoothSocket btSocket = null;
private boolean isBtConnected = false;
static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent newint = getIntent();
address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS);
setContentView(R.layout.activity_led_control);
btn1 = (Button) findViewById(R.id.button2);
btn2 = (Button) findViewById(R.id.button3);
btn3 = (Button) findViewById(R.id.button5);
btn4 = (Button) findViewById(R.id.button6);
btn5 = (Button) findViewById(R.id.button7);
btnDis = (Button) findViewById(R.id.button4);
lumn = (TextView) findViewById(R.id.textView2);
new ConnectBT().execute();
btn1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent i = new Intent(ledControl.this, test.class);
i.putExtra(DeviceList.EXTRA_ADDRESS, address);
startActivity(i);
}
});
}
private void sendSignal ( String number ) {
if ( btSocket != null ) {
try {
btSocket.getOutputStream().write(number.toString().getBytes());
} catch (IOException e) {
msg("Error");
}
}
}
private void Disconnect () {
if ( btSocket!=null ) {
try {
btSocket.close();
} catch(IOException e) {
msg("Error");
}
}
finish();
}
private void msg (String s) {
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
}
private class ConnectBT extends AsyncTask<Void, Void, Void> {
private boolean ConnectSuccess = true;
@Override
protected void onPreExecute () {
progress = ProgressDialog.show(ledControl.this, "Connecting...", "Please Wait!!!");
}
@Override
protected Void doInBackground (Void... devices) {
try {
if ( btSocket==null || !isBtConnected ) {
myBluetooth = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice dispositivo = myBluetooth.getRemoteDevice(address);
btSocket = dispositivo.createInsecureRfcommSocketToServiceRecord(myUUID);
BluetoothAdapter.getDefaultAdapter().cancelDiscovery();
btSocket.connect();
}
} catch (IOException e) {
ConnectSuccess = false;
}
return null;
}
@Override
protected void onPostExecute (Void result) {
super.onPostExecute(result);
if (!ConnectSuccess) {
msg("Connection Failed. Is it a SPP Bluetooth? Try again.");
finish();
} else {
msg("Connected");
isBtConnected = true;
}
progress.dismiss();
}
}}
public class test extends AppCompatActivity {
String address = null;
private ProgressDialog progress;
BluetoothAdapter myBluetooth = null;
BluetoothSocket btSocket = null;
private boolean isBtConnected = false;
static final UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private TextView connect;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent newint = getIntent();
address = newint.getStringExtra(DeviceList.EXTRA_ADDRESS);
setContentView(R.layout.activity_test);
connect = (TextView) findViewById(R.id.textView4);
new ConnectBT().execute();
}
private void msg (String s) {
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_LONG).show();
}
private class ConnectBT extends AsyncTask<Void, Void, Void> {
private boolean ConnectSuccess = true;
@Override
protected Void doInBackground (Void... devices) {
try {
if ( btSocket==null || !isBtConnected ) {
myBluetooth = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice dispositivo = myBluetooth.getRemoteDevice(address);
btSocket = dispositivo.createInsecureRfcommSocketToServiceRecord(myUUID);
BluetoothAdapter.getDefaultAdapter().cancelDiscovery();
btSocket.connect();
}
} catch (IOException e) {
ConnectSuccess = false;
}
return null;
}
@Override
protected void onPostExecute (Void result) {
super.onPostExecute(result);
if (!ConnectSuccess) {
msg("Connection Failed. Is it a SPP Bluetooth? Try again.");
finish();
} else {
msg("Connected");
isBtConnected = true;
}
progress.dismiss();
}
}}
公共类测试扩展了AppCompatActivity{
字符串地址=空；
私人进展对话进展；
蓝牙适配器myBluetooth=null；
BluetoothSocket btSocket=null；
私有布尔值isBtConnected=false；
静态最终UUID myUUID=UUID.fromString（“00001101-0000-1000-8000-00805F9B34FB”）；
私有文本视图连接