* Activity in the result Intent.
*/
public class DeviceListActivity extends Activity {
- // Debugging
- private static final String TAG = "DeviceListActivity";
- private static final boolean D = true;
-
- // Return Intent extra
- public static String EXTRA_DEVICE_ADDRESS = "device_address";
-
- // Member fields
- private BluetoothAdapter mBtAdapter;
- private ArrayAdapter<String> mPairedDevicesArrayAdapter;
- private ArrayAdapter<String> mNewDevicesArrayAdapter;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- // Setup the window
- requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
- setContentView(R.layout.device_list);
-
- // Set result CANCELED incase the user backs out
- setResult(Activity.RESULT_CANCELED);
-
- // Initialize the button to perform device discovery
- Button scanButton = (Button) findViewById(R.id.button_scan);
- scanButton.setOnClickListener(new OnClickListener() {
- public void onClick(View v) {
- doDiscovery();
- v.setVisibility(View.GONE);
- }
- });
-
- // Initialize array adapters. One for already paired devices and
- // one for newly discovered devices
- mPairedDevicesArrayAdapter = new ArrayAdapter<String>(this, R.layout.device_name);
- mNewDevicesArrayAdapter = new ArrayAdapter<String>(this, R.layout.device_name);
-
- // Find and set up the ListView for paired devices
- ListView pairedListView = (ListView) findViewById(R.id.paired_devices);
- pairedListView.setAdapter(mPairedDevicesArrayAdapter);
- pairedListView.setOnItemClickListener(mDeviceClickListener);
-
- // Find and set up the ListView for newly discovered devices
- ListView newDevicesListView = (ListView) findViewById(R.id.new_devices);
- newDevicesListView.setAdapter(mNewDevicesArrayAdapter);
- newDevicesListView.setOnItemClickListener(mDeviceClickListener);
-
- // Register for broadcasts when a device is discovered
- IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
- this.registerReceiver(mReceiver, filter);
-
- // Register for broadcasts when discovery has finished
- filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
- this.registerReceiver(mReceiver, filter);
-
- // Get the local Bluetooth adapter
- mBtAdapter = BluetoothAdapter.getDefaultAdapter();
-
- // Get a set of currently paired devices
- Set<BluetoothDevice> pairedDevices = mBtAdapter.getBondedDevices();
-
- // If there are paired devices, add each one to the ArrayAdapter
- if (pairedDevices.size() > 0) {
- findViewById(R.id.title_paired_devices).setVisibility(View.VISIBLE);
- for (BluetoothDevice device : pairedDevices) {
- mPairedDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
- }
- } else {
- String noDevices = getResources().getText(R.string.none_paired).toString();
- mPairedDevicesArrayAdapter.add(noDevices);
- }
- }
-
- @Override
- protected void onDestroy() {
- super.onDestroy();
-
- // Make sure we're not doing discovery anymore
- if (mBtAdapter != null) {
- mBtAdapter.cancelDiscovery();
- }
-
- // Unregister broadcast listeners
- this.unregisterReceiver(mReceiver);
- }
-
- /**
- * Start device discover with the BluetoothAdapter
- */
- private void doDiscovery() {
- if (D) Log.d(TAG, "doDiscovery()");
-
- // Indicate scanning in the title
- setProgressBarIndeterminateVisibility(true);
- setTitle(R.string.scanning);
-
- // Turn on sub-title for new devices
- findViewById(R.id.title_new_devices).setVisibility(View.VISIBLE);
-
- // If we're already discovering, stop it
- if (mBtAdapter.isDiscovering()) {
- mBtAdapter.cancelDiscovery();
- }
-
- // Request discover from BluetoothAdapter
- mBtAdapter.startDiscovery();
- }
-
- // The on-click listener for all devices in the ListViews
- private OnItemClickListener mDeviceClickListener = new OnItemClickListener() {
- public void onItemClick(AdapterView<?> av, View v, int arg2, long arg3) {
- // Cancel discovery because it's costly and we're about to connect
- mBtAdapter.cancelDiscovery();
-
- // Get the device MAC address, which is the last 17 chars in the View
- String info = ((TextView) v).getText().toString();
- String address = info.substring(info.length() - 17);
-
- // Create the result Intent and include the MAC address
- Intent intent = new Intent();
- intent.putExtra(EXTRA_DEVICE_ADDRESS, address);
-
- // Set result and finish this Activity
- setResult(Activity.RESULT_OK, intent);
- finish();
- }
- };
-
- // The BroadcastReceiver that listens for discovered devices and
- // changes the title when discovery is finished
- private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
- @Override
- 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);
- // If it's already paired, skip it, because it's been listed already
- if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
- mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
- }
- // When discovery is finished, change the Activity title
- } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
- setProgressBarIndeterminateVisibility(false);
- setTitle(R.string.select_device);
- if (mNewDevicesArrayAdapter.getCount() == 0) {
- String noDevices = getResources().getText(R.string.none_found).toString();
- mNewDevicesArrayAdapter.add(noDevices);
- }
- }
- }
- };
+ // Debugging
+ private static final String TAG = "DeviceListActivity";
+ private static final boolean D = true;
+
+ // Return Intent extra
+ public static String EXTRA_DEVICE_ADDRESS = "device_address";
+
+ // Member fields
+ private BluetoothAdapter mBtAdapter;
+ private ArrayAdapter<String> mPairedDevicesArrayAdapter;
+ private ArrayAdapter<String> mNewDevicesArrayAdapter;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // Setup the window
+ requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
+ setContentView(R.layout.device_list);
+
+ // Set result CANCELED incase the user backs out
+ setResult(Activity.RESULT_CANCELED);
+
+ // Initialize the button to perform device discovery
+ Button scanButton = (Button) findViewById(R.id.button_scan);
+ scanButton.setOnClickListener(new OnClickListener() {
+ public void onClick(View v) {
+ doDiscovery();
+ v.setVisibility(View.GONE);
+ }
+ });
+
+ // Initialize array adapters. One for already paired devices and
+ // one for newly discovered devices
+ mPairedDevicesArrayAdapter = new ArrayAdapter<String>(this, R.layout.device_name);
+ mNewDevicesArrayAdapter = new ArrayAdapter<String>(this, R.layout.device_name);
+
+ // Find and set up the ListView for paired devices
+ ListView pairedListView = (ListView) findViewById(R.id.paired_devices);
+ pairedListView.setAdapter(mPairedDevicesArrayAdapter);
+ pairedListView.setOnItemClickListener(mDeviceClickListener);
+
+ // Find and set up the ListView for newly discovered devices
+ ListView newDevicesListView = (ListView) findViewById(R.id.new_devices);
+ newDevicesListView.setAdapter(mNewDevicesArrayAdapter);
+ newDevicesListView.setOnItemClickListener(mDeviceClickListener);
+
+ // Register for broadcasts when a device is discovered
+ IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
+ this.registerReceiver(mReceiver, filter);
+
+ // Register for broadcasts when discovery has finished
+ filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
+ this.registerReceiver(mReceiver, filter);
+
+ // Get the local Bluetooth adapter
+ mBtAdapter = BluetoothAdapter.getDefaultAdapter();
+
+ // Get a set of currently paired devices
+ Set<BluetoothDevice> pairedDevices = mBtAdapter.getBondedDevices();
+
+ // If there are paired devices, add each one to the ArrayAdapter
+ if (pairedDevices.size() > 0) {
+ findViewById(R.id.title_paired_devices).setVisibility(View.VISIBLE);
+ for (BluetoothDevice device : pairedDevices) {
+ mPairedDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
+ }
+ } else {
+ String noDevices = getResources().getText(R.string.none_paired).toString();
+ mPairedDevicesArrayAdapter.add(noDevices);
+ }
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+
+ // Make sure we're not doing discovery anymore
+ if (mBtAdapter != null) {
+ mBtAdapter.cancelDiscovery();
+ }
+
+ // Unregister broadcast listeners
+ this.unregisterReceiver(mReceiver);
+ }
+
+ /**
+ * Start device discover with the BluetoothAdapter
+ */
+ private void doDiscovery() {
+ if (D) Log.d(TAG, "doDiscovery()");
+
+ // Indicate scanning in the title
+ setProgressBarIndeterminateVisibility(true);
+ setTitle(R.string.scanning);
+
+ // Turn on sub-title for new devices
+ findViewById(R.id.title_new_devices).setVisibility(View.VISIBLE);
+
+ // If we're already discovering, stop it
+ if (mBtAdapter.isDiscovering()) {
+ mBtAdapter.cancelDiscovery();
+ }
+
+ // Request discover from BluetoothAdapter
+ mBtAdapter.startDiscovery();
+ }
+
+ // The on-click listener for all devices in the ListViews
+ private OnItemClickListener mDeviceClickListener = new OnItemClickListener() {
+ public void onItemClick(AdapterView<?> av, View v, int arg2, long arg3) {
+ // Cancel discovery because it's costly and we're about to connect
+ mBtAdapter.cancelDiscovery();
+
+ // Get the device MAC address, which is the last 17 chars in the View
+ String info = ((TextView) v).getText().toString();
+ String address = info.substring(info.length() - 17);
+
+ // Create the result Intent and include the MAC address
+ Intent intent = new Intent();
+ intent.putExtra(EXTRA_DEVICE_ADDRESS, address);
+
+ // Set result and finish this Activity
+ setResult(Activity.RESULT_OK, intent);
+ finish();
+ }
+ };
+
+ // The BroadcastReceiver that listens for discovered devices and
+ // changes the title when discovery is finished
+ private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+ @Override
+ 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);
+ // If it's already paired, skip it, because it's been listed already
+ if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
+ mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
+ }
+ // When discovery is finished, change the Activity title
+ } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
+ setProgressBarIndeterminateVisibility(false);
+ setTitle(R.string.select_device);
+ if (mNewDevicesArrayAdapter.getCount() == 0) {
+ String noDevices = getResources().getText(R.string.none_found).toString();
+ mNewDevicesArrayAdapter.add(noDevices);
+ }
+ }
+ }
+ };
}
projects / fw / altos / blobdiff