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// Unregister broadcast listeners
this.unregisterReceiver(mReceiver);
}

/**
* Start device discover with the BluetoothAdapter
*/
private void doDiscovery() {
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 AdapterView.OnItemClickListener mDeviceClickListener
= new AdapterView.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

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