auto import from //depot/cupcake/@135843
This commit is contained in:
The Android Open Source Project
260
src/com/android/settings/bluetooth/BluetoothSettings.java
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260
src/com/android/settings/bluetooth/BluetoothSettings.java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.bluetooth;
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import com.android.settings.ProgressCategory;
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import com.android.settings.R;
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import com.android.settings.bluetooth.LocalBluetoothManager.ExtendedBluetoothState;
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import java.util.List;
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import java.util.WeakHashMap;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceScreen;
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import android.view.ContextMenu;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.widget.AdapterView.AdapterContextMenuInfo;
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/**
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* BluetoothSettings is the Settings screen for Bluetooth configuration and
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* connection management.
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*/
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public class BluetoothSettings extends PreferenceActivity
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implements LocalBluetoothManager.Callback {
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private static final String TAG = "BluetoothSettings";
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private static final int MENU_SCAN = Menu.FIRST;
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private static final String KEY_BT_CHECKBOX = "bt_checkbox";
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private static final String KEY_BT_DISCOVERABLE = "bt_discoverable";
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private static final String KEY_BT_DEVICE_LIST = "bt_device_list";
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private static final String KEY_BT_NAME = "bt_name";
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private static final String KEY_BT_SCAN = "bt_scan";
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private LocalBluetoothManager mLocalManager;
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private BluetoothEnabler mEnabler;
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private BluetoothDiscoverableEnabler mDiscoverableEnabler;
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private BluetoothNamePreference mNamePreference;
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private ProgressCategory mDeviceList;
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private WeakHashMap<LocalBluetoothDevice, BluetoothDevicePreference> mDevicePreferenceMap =
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new WeakHashMap<LocalBluetoothDevice, BluetoothDevicePreference>();
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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// TODO: put this in callback instead of receiving
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onBluetoothStateChanged(mLocalManager.getBluetoothState());
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mLocalManager = LocalBluetoothManager.getInstance(this);
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if (mLocalManager == null) finish();
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addPreferencesFromResource(R.xml.bluetooth_settings);
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mEnabler = new BluetoothEnabler(
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this,
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(CheckBoxPreference) findPreference(KEY_BT_CHECKBOX));
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mDiscoverableEnabler = new BluetoothDiscoverableEnabler(
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this,
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(CheckBoxPreference) findPreference(KEY_BT_DISCOVERABLE));
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mNamePreference = (BluetoothNamePreference) findPreference(KEY_BT_NAME);
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mDeviceList = (ProgressCategory) findPreference(KEY_BT_DEVICE_LIST);
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registerForContextMenu(getListView());
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}
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@Override
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protected void onResume() {
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super.onResume();
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// Repopulate (which isn't too bad since it's cached in the settings
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// bluetooth manager
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mDevicePreferenceMap.clear();
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mDeviceList.removeAll();
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addDevices();
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mEnabler.resume();
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mDiscoverableEnabler.resume();
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mNamePreference.resume();
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mLocalManager.registerCallback(this);
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mLocalManager.startScanning(false);
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registerReceiver(mReceiver,
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new IntentFilter(LocalBluetoothManager.EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION));
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mLocalManager.setForegroundActivity(this);
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}
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@Override
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protected void onPause() {
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super.onPause();
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mLocalManager.setForegroundActivity(null);
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unregisterReceiver(mReceiver);
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mLocalManager.unregisterCallback(this);
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mNamePreference.pause();
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mDiscoverableEnabler.pause();
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mEnabler.pause();
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}
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private void addDevices() {
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List<LocalBluetoothDevice> devices = mLocalManager.getLocalDeviceManager().getDevicesCopy();
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for (LocalBluetoothDevice device : devices) {
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onDeviceAdded(device);
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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menu.add(0, MENU_SCAN, 0, R.string.bluetooth_scan_for_devices)
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.setIcon(com.android.internal.R.drawable.ic_menu_refresh)
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.setAlphabeticShortcut('r');
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return true;
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}
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@Override
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public boolean onPrepareOptionsMenu(Menu menu) {
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menu.findItem(MENU_SCAN).setEnabled(mLocalManager.getBluetoothManager().isEnabled());
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case MENU_SCAN:
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mLocalManager.startScanning(true);
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return true;
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default:
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return false;
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}
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
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Preference preference) {
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if (KEY_BT_SCAN.equals(preference.getKey())) {
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mLocalManager.startScanning(true);
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return true;
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}
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if (preference instanceof BluetoothDevicePreference) {
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BluetoothDevicePreference btPreference = (BluetoothDevicePreference) preference;
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btPreference.getDevice().onClicked();
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return true;
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}
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View v,
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ContextMenuInfo menuInfo) {
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LocalBluetoothDevice device = getDeviceFromMenuInfo(menuInfo);
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if (device == null) return;
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device.onCreateContextMenu(menu);
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}
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@Override
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public boolean onContextItemSelected(MenuItem item) {
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LocalBluetoothDevice device = getDeviceFromMenuInfo(item.getMenuInfo());
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if (device == null) return false;
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device.onContextItemSelected(item);
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return true;
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}
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private LocalBluetoothDevice getDeviceFromMenuInfo(ContextMenuInfo menuInfo) {
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if ((menuInfo == null) || !(menuInfo instanceof AdapterContextMenuInfo)) {
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return null;
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}
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AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
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Preference pref = (Preference) getPreferenceScreen().getRootAdapter().getItem(
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adapterMenuInfo.position);
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if (pref == null || !(pref instanceof BluetoothDevicePreference)) {
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return null;
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}
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return ((BluetoothDevicePreference) pref).getDevice();
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}
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public void onDeviceAdded(LocalBluetoothDevice device) {
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if (mDevicePreferenceMap.get(device) != null) {
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throw new IllegalStateException("Got onDeviceAdded, but device already exists");
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}
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createDevicePreference(device);
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}
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private void createDevicePreference(LocalBluetoothDevice device) {
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BluetoothDevicePreference preference = new BluetoothDevicePreference(this, device);
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mDeviceList.addPreference(preference);
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mDevicePreferenceMap.put(device, preference);
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}
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public void onDeviceDeleted(LocalBluetoothDevice device) {
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BluetoothDevicePreference preference = mDevicePreferenceMap.remove(device);
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if (preference != null) {
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mDeviceList.removePreference(preference);
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}
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}
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public void onScanningStateChanged(boolean started) {
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mDeviceList.setProgress(started);
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}
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private void onBluetoothStateChanged(ExtendedBluetoothState bluetoothState) {
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// When bluetooth is enabled (and we are in the activity, which we are),
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// we should start a scan
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if (bluetoothState == ExtendedBluetoothState.ENABLED) {
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mLocalManager.startScanning(false);
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} else if (bluetoothState == ExtendedBluetoothState.DISABLED) {
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mDeviceList.setProgress(false);
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}
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}
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}
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