+++ /dev/null
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.altusmetrum.AltosDroid;
-
-import java.util.Set;
-import org.altusmetrum.AltosDroid.R;
-
-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.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 DeviceListActivity extends Activity {
-
- // Return Intent extra
- public static final String EXTRA_DEVICE_ADDRESS = "device_address";
- public static final String EXTRA_DEVICE_NAME = "device_name";
-
- // 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)
- if (device.getName().startsWith("TeleBT"))
- 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() {
- AltosDebug.debug("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);
-
- int newline = info.indexOf('\n');
-
- String name = null;
- if (newline > 0)
- name = info.substring(0, newline);
- else
- name = info;
-
- AltosDebug.debug("******* selected item '%s'", info);
-
- // Create the result Intent and include the MAC address
- Intent intent = new Intent();
- intent.putExtra(EXTRA_DEVICE_ADDRESS, address);
- intent.putExtra(EXTRA_DEVICE_NAME, name);
-
- // 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 != null && device.getBondState() != BluetoothDevice.BOND_BONDED)
- {
- String name = device.getName();
- if (name != null && name.startsWith("TeleBT"))
- 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