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The source code is released under:
GNU General Public License
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package beta.ArduinoidBlue; /*from w w w .j a va 2 s . c o m*/ import android.app.Activity; 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.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import java.util.Set; public class ActivityMain extends Activity { private static final int REQUEST_ENABLE_BT = 1; private Button onBtn; private Button offBtn; private Button listBtn; private Button findBtn; private TextView text; private BluetoothAdapter myBluetoothAdapter; private Set<BluetoothDevice> pairedDevices; private ListView myListView; private ArrayAdapter<String> BTArrayAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // take an instance of BluetoothAdapter - Bluetooth radio myBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); if(myBluetoothAdapter == null) { onBtn.setEnabled(false); offBtn.setEnabled(false); listBtn.setEnabled(false); findBtn.setEnabled(false); text.setText("Status: not supported"); Toast.makeText(getApplicationContext(),"Your device does not support Bluetooth", Toast.LENGTH_LONG).show(); } else { text = (TextView) findViewById(R.id.text); onBtn = (Button)findViewById(R.id.turnOn); onBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub on(v); } }); offBtn = (Button)findViewById(R.id.turnOff); offBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub off(v); } }); listBtn = (Button)findViewById(R.id.paired); listBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub list(v); } }); findBtn = (Button)findViewById(R.id.search); findBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub find(v); } }); myListView = (ListView)findViewById(R.id.listView1); // create the arrayAdapter that contains the BTDevices, and set it to the ListView BTArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1); myListView.setAdapter(BTArrayAdapter); } } public void on(View view){ if (!myBluetoothAdapter.isEnabled()) { Intent turnOnIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(turnOnIntent, REQUEST_ENABLE_BT); Toast.makeText(getApplicationContext(),"Bluetooth turned on" , Toast.LENGTH_LONG).show(); } else{ Toast.makeText(getApplicationContext(),"Bluetooth is already on", Toast.LENGTH_LONG).show(); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub if(requestCode == REQUEST_ENABLE_BT){ if(myBluetoothAdapter.isEnabled()) { text.setText("Status: Enabled"); } else { text.setText("Status: Disabled"); } } } public void list(View view){ // get paired devices pairedDevices = myBluetoothAdapter.getBondedDevices(); // put it's one to the adapter for(BluetoothDevice device : pairedDevices) BTArrayAdapter.add(device.getName()+ "\n" + device.getAddress()); Toast.makeText(getApplicationContext(),"Show Paired Devices", Toast.LENGTH_SHORT).show(); } final BroadcastReceiver bReceiver = new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { String action = intent.getAction(); // When discovery finds a device if (BluetoothDevice.ACTION_FOUND.equals(action)) { // Get the BluetoothDevice object from the Intent BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); // add the name and the MAC address of the object to the arrayAdapter BTArrayAdapter.add(device.getName() + "\n" + device.getAddress()); BTArrayAdapter.notifyDataSetChanged(); } } }; public void find(View view) { if (myBluetoothAdapter.isDiscovering()) { // the button is pressed when it discovers, so cancel the discovery myBluetoothAdapter.cancelDiscovery(); } else { BTArrayAdapter.clear(); myBluetoothAdapter.startDiscovery(); registerReceiver(bReceiver, new IntentFilter(BluetoothDevice.ACTION_FOUND)); } } public void off(View view){ myBluetoothAdapter.disable(); text.setText("Status: Disconnected"); Toast.makeText(getApplicationContext(),"Bluetooth turned off", Toast.LENGTH_LONG).show(); } @Override protected void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); unregisterReceiver(bReceiver); } } /*import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothSocket; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.widget.TextView; import android.widget.EditText; import android.widget.Button; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Set; import java.util.UUID; public class ActivityMain extends Activity { TextView myLabel; EditText myTextbox; BluetoothAdapter mBluetoothAdapter; BluetoothSocket mmSocket; BluetoothDevice mmDevice; OutputStream mmOutputStream; InputStream mmInputStream; Thread workerThread; byte[] readBuffer; int readBufferPosition; int counter; volatile boolean stopWorker; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button openButton = (Button)findViewById(R.id.open); Button sendButton = (Button)findViewById(R.id.send); Button closeButton = (Button)findViewById(R.id.close); myLabel = (TextView)findViewById(R.id.label); myTextbox = (EditText)findViewById(R.id.entry); //Open Button openButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { findBT(); openBT(); } catch (IOException ex) { } } }); //Send Button sendButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { sendData(); } catch (IOException ex) { } } }); //Close button closeButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { closeBT(); } catch (IOException ex) { } } }); } void findBT() { mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); if(mBluetoothAdapter == null) { myLabel.setText("No bluetooth adapter available"); } if(!mBluetoothAdapter.isEnabled()) { Intent enableBluetooth = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableBluetooth, 0); } Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDevices(); if(pairedDevices.size() > 0) { for(BluetoothDevice device : pairedDevices) { if(device.getName().equals("MattsBlueTooth")) { mmDevice = device; break; } } } myLabel.setText("Bluetooth Device Found"); } void openBT() throws IOException { UUID uuid = UUID.fromString("00001101-0000-1000-8000-00805f9b34fb"); //Standard SerialPortService ID mmSocket = mmDevice.createRfcommSocketToServiceRecord(uuid); mmSocket.connect(); mmOutputStream = mmSocket.getOutputStream(); mmInputStream = mmSocket.getInputStream(); beginListenForData(); myLabel.setText("Bluetooth Opened"); } void beginListenForData() { final Handler handler = new Handler(); final byte delimiter = 10; //This is the ASCII code for a newline character stopWorker = false; readBufferPosition = 0; readBuffer = new byte[1024]; workerThread = new Thread(new Runnable() { public void run() { while(!Thread.currentThread().isInterrupted() && !stopWorker) { try { int bytesAvailable = mmInputStream.available(); if(bytesAvailable > 0) { byte[] packetBytes = new byte[bytesAvailable]; mmInputStream.read(packetBytes); for(int i=0;i<bytesAvailable;i++) { byte b = packetBytes[i]; if(b == delimiter) { byte[] encodedBytes = new byte[readBufferPosition]; System.arraycopy(readBuffer, 0, encodedBytes, 0, encodedBytes.length); final String data = new String(encodedBytes, "US-ASCII"); readBufferPosition = 0; handler.post(new Runnable() { public void run() { myLabel.setText(data); } }); } else { readBuffer[readBufferPosition++] = b; } } } } catch (IOException ex) { stopWorker = true; } } } }); workerThread.start(); } void sendData() throws IOException { String msg = myTextbox.getText().toString(); msg += "\n"; mmOutputStream.write(msg.getBytes()); myLabel.setText("Data Sent"); } void closeBT() throws IOException { stopWorker = true; mmOutputStream.close(); mmInputStream.close(); mmSocket.close(); myLabel.setText("Bluetooth Closed"); } }*/ /*import java.util.Locale; import android.support.v7.app.ActionBarActivity; import android.support.v7.app.ActionBar; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.support.v4.app.FragmentPagerAdapter; import android.os.Bundle; import android.support.v4.view.ViewPager; import android.view.Gravity; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; public class ActivityMain extends ActionBarActivity implements ActionBar.TabListener { *//** * The {@link android.support.v4.view.PagerAdapter} that will provide * fragments for each of the sections. We use a * {@link FragmentPagerAdapter} derivative, which will keep every * loaded fragment in memory. If this becomes too memory intensive, it * may be best to switch to a * {@link android.support.v4.app.FragmentStatePagerAdapter}. *//* SectionsPagerAdapter mSectionsPagerAdapter; *//** * The {@link ViewPager} that will host the section contents. *//* ViewPager mViewPager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Set up the action bar. final ActionBar actionBar = getSupportActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); // Create the adapter that will return a fragment for each of the three // primary sections of the activity. mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); // Set up the ViewPager with the sections adapter. mViewPager = (ViewPager) findViewById(R.id.pager); mViewPager.setAdapter(mSectionsPagerAdapter); // When swiping between different sections, select the corresponding // tab. We can also use ActionBar.Tab#select() to do this if we have // a reference to the Tab. mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { actionBar.setSelectedNavigationItem(position); } }); // For each of the sections in the app, add a tab to the action bar. for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) { // Create a tab with text corresponding to the page title defined by // the adapter. Also specify this Activity object, which implements // the TabListener interface, as the callback (listener) for when // this tab is selected. actionBar.addTab( actionBar.newTab() .setText(mSectionsPagerAdapter.getPageTitle(i)) .setTabListener(this)); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { // When the given tab is selected, switch to the corresponding page in // the ViewPager. mViewPager.setCurrentItem(tab.getPosition()); } @Override public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { } @Override public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { } *//** * A {@link FragmentPagerAdapter} that returns a fragment corresponding to * one of the sections/tabs/pages. *//* public class SectionsPagerAdapter extends FragmentPagerAdapter { public SectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { // getItem is called to instantiate the fragment for the given page. // Return a PlaceholderFragment (defined as a static inner class below). return PlaceholderFragment.newInstance(position + 1); } @Override public int getCount() { // Show 3 total pages. return 3; } @Override public CharSequence getPageTitle(int position) { Locale l = Locale.getDefault(); switch (position) { case 0: return getString(R.string.title_section1).toUpperCase(l); case 1: return getString(R.string.title_section2).toUpperCase(l); case 2: return getString(R.string.title_section3).toUpperCase(l); } return null; } } *//** * A placeholder fragment containing a simple view. *//* public static class PlaceholderFragment extends Fragment { *//** * The fragment argument representing the section number for this * fragment. *//* private static final String ARG_SECTION_NUMBER = "section_number"; *//** * Returns a new instance of this fragment for the given section * number. *//* public static PlaceholderFragment newInstance(int sectionNumber) { PlaceholderFragment fragment = new PlaceholderFragment(); Bundle args = new Bundle(); args.putInt(ARG_SECTION_NUMBER, sectionNumber); fragment.setArguments(args); return fragment; } public PlaceholderFragment() { } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_activity_main, container, false); return rootView; } } }*/