/*------------------------------------------------------------------------ * (The MIT License) * * Copyright (c) 2008-2011 Rhomobile, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * http://rhomobile.com *------------------------------------------------------------------------*/ package com.rhomobile.rhodes.bluetooth; import java.util.Set; import com.rhomobile.rhodes.R; import com.rhomobile.rhodes.BaseActivity; 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.util.Log; import android.view.View; import android.view.Window; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.AdapterView.OnItemClickListener; /** * This Activity appears as a dialog. It lists any paired devices and * devices detected in the area after discovery. When a device is chosen * by the user, the MAC address of the device is sent back to the parent * Activity in the result Intent. */ public class RhoBluetoothDeviceListActivity extends BaseActivity { // Debugging private static final String TAG = "RhoBluetoothDeviceListActivity"; // Return Intent extra public static String EXTRA_DEVICE_ADDRESS = "device_address"; // Member fields private BluetoothAdapter mBtAdapter; private ArrayAdapter mPairedDevicesArrayAdapter; private ArrayAdapter mNewDevicesArrayAdapter; private String mReturnAdress = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); RhoBluetoothManager.logi(TAG, "onCreate()"); // Setup the window requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.bt_device_list); // Set result CANCELED incase the user backs out //setResult(Activity.RESULT_CANCELED); mReturnAdress = null; //RhoBluetoothManager.sharedInstance().onDeviceListActivityFinished(false, ""); // 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(this, R.layout.bt_device_name); mNewDevicesArrayAdapter = new ArrayAdapter(this, R.layout.bt_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 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); RhoBluetoothManager.logi(TAG, " List of paired device :"); for (BluetoothDevice device : pairedDevices) { mPairedDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress()); RhoBluetoothManager.logi(TAG, " - name["+device.getName()+"] adress["+device.getAddress()+"]"); } } else { RhoBluetoothManager.logi(TAG, " no any paired device found !"); String noDevices = getResources().getText(R.string.none_paired).toString(); mPairedDevicesArrayAdapter.add(noDevices); } } @Override protected void onDestroy() { RhoBluetoothManager.logi(TAG, "onDestroy()"); super.onDestroy(); // Make sure we're not doing discovery anymore if (mBtAdapter != null) { mBtAdapter.cancelDiscovery(); } // Unregister broadcast listeners this.unregisterReceiver(mReceiver); if (mReturnAdress == null) { RhoBluetoothManager.sharedInstance().onDeviceListActivityFinished(false, ""); } else { RhoBluetoothManager.sharedInstance().onDeviceListActivityFinished(true, mReturnAdress); } } /** * Start device discover with the BluetoothAdapter */ private void doDiscovery() { RhoBluetoothManager.logi(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); mReturnAdress = address; // Set result and finish this Activity //setResult(Activity.RESULT_OK, intent); //RhoBluetoothManager.sharedInstance().onDeviceListActivityFinished(true, address); RhoBluetoothManager.logi(TAG, "item selected - address["+mReturnAdress+"]"); 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)) { RhoBluetoothManager.logi(TAG, "found devices (exclude already bonded :"); // 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()); RhoBluetoothManager.logi(TAG, " - name["+device.getName()+"] adress["+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); } } } }; }