Dupe BluetoothSettings and DeviceListPreferenceFragment
Create the obsolete version of the belowing fragments, so we could flip between old page and new page. BluetoothSettingsObsolete and DeviceListPreferenceObsoleteFragment contains all the old logic but: 1. Logic about BluetoothPairingPreferenceController(ag/2239482), since this preference shouldn't be checked in without the flag :( This cl also adds logic in MasterSwitchPreferenceController to flip these two pages. Following cl will refactor these fragment to make it compatible to new framework. Bug: 35877041 Test: RunSettingsRoboTests Change-Id: I1cc1bc2d49d8a3e11c3127e56f6409fbc84028d8
This commit is contained in:
jackqdyulei
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/*
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* Copyright (C) 2017 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 android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.os.Bundle;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceCategory;
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import android.support.v7.preference.PreferenceGroup;
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import android.util.Log;
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import com.android.settings.dashboard.RestrictedDashboardFragment;
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import com.android.settingslib.bluetooth.BluetoothCallback;
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import com.android.settingslib.bluetooth.BluetoothDeviceFilter;
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import com.android.settingslib.bluetooth.CachedBluetoothDevice;
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import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
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import com.android.settingslib.bluetooth.LocalBluetoothManager;
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import java.util.Collection;
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import java.util.WeakHashMap;
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/**
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* Parent class for settings fragments that contain a list of Bluetooth
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* devices.
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*
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* This fragment stores old implementation of {@link DeviceListPreferenceFragment} and is
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* deprecated, please use {@link DeviceListPreferenceFragment} instead.
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*
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* @see BluetoothSettingsObsolete
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* @see DevicePickerFragment
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*/
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@Deprecated
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public abstract class DeviceListPreferenceObsoleteFragment extends
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RestrictedDashboardFragment implements BluetoothCallback {
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private static final String TAG = "DeviceListPreferenceFragment";
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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_SCAN = "bt_scan";
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private BluetoothDeviceFilter.Filter mFilter;
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BluetoothDevice mSelectedDevice;
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LocalBluetoothAdapter mLocalAdapter;
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LocalBluetoothManager mLocalManager;
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private PreferenceGroup mDeviceListGroup;
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final WeakHashMap<CachedBluetoothDevice, BluetoothDevicePreference> mDevicePreferenceMap =
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new WeakHashMap<CachedBluetoothDevice, BluetoothDevicePreference>();
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DeviceListPreferenceObsoleteFragment(String restrictedKey) {
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super(restrictedKey);
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mFilter = BluetoothDeviceFilter.ALL_FILTER;
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}
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final void setFilter(BluetoothDeviceFilter.Filter filter) {
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mFilter = filter;
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}
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final void setFilter(int filterType) {
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mFilter = BluetoothDeviceFilter.getFilter(filterType);
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mLocalManager = Utils.getLocalBtManager(getActivity());
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if (mLocalManager == null) {
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Log.e(TAG, "Bluetooth is not supported on this device");
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return;
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}
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mLocalAdapter = mLocalManager.getBluetoothAdapter();
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addPreferencesForActivity();
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mDeviceListGroup = (PreferenceCategory) findPreference(KEY_BT_DEVICE_LIST);
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}
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void setDeviceListGroup(PreferenceGroup preferenceGroup) {
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mDeviceListGroup = preferenceGroup;
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}
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/** Add preferences from the subclass. */
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abstract void addPreferencesForActivity();
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@Override
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public void onStart() {
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super.onStart();
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if (mLocalManager == null || isUiRestricted()) return;
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mLocalManager.setForegroundActivity(getActivity());
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mLocalManager.getEventManager().registerCallback(this);
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updateProgressUi(mLocalAdapter.isDiscovering());
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}
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@Override
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public void onStop() {
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super.onStop();
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if (mLocalManager == null || isUiRestricted()) {
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return;
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}
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removeAllDevices();
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mLocalManager.setForegroundActivity(null);
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mLocalManager.getEventManager().unregisterCallback(this);
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}
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void removeAllDevices() {
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mLocalAdapter.stopScanning();
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mDevicePreferenceMap.clear();
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mDeviceListGroup.removeAll();
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}
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void addCachedDevices() {
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Collection<CachedBluetoothDevice> cachedDevices =
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mLocalManager.getCachedDeviceManager().getCachedDevicesCopy();
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for (CachedBluetoothDevice cachedDevice : cachedDevices) {
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onDeviceAdded(cachedDevice);
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}
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}
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@Override
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public boolean onPreferenceTreeClick(Preference preference) {
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if (KEY_BT_SCAN.equals(preference.getKey())) {
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mLocalAdapter.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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CachedBluetoothDevice device = btPreference.getCachedDevice();
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mSelectedDevice = device.getDevice();
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onDevicePreferenceClick(btPreference);
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return true;
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}
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return super.onPreferenceTreeClick(preference);
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}
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void onDevicePreferenceClick(BluetoothDevicePreference btPreference) {
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btPreference.onClicked();
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}
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public void onDeviceAdded(CachedBluetoothDevice cachedDevice) {
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if (mDevicePreferenceMap.get(cachedDevice) != null) {
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return;
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}
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// Prevent updates while the list shows one of the state messages
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if (mLocalAdapter.getBluetoothState() != BluetoothAdapter.STATE_ON) return;
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if (mFilter.matches(cachedDevice.getDevice())) {
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createDevicePreference(cachedDevice);
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}
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}
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void createDevicePreference(CachedBluetoothDevice cachedDevice) {
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if (mDeviceListGroup == null) {
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Log.w(TAG, "Trying to create a device preference before the list group/category "
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+ "exists!");
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return;
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}
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String key = cachedDevice.getDevice().getAddress();
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BluetoothDevicePreference preference = (BluetoothDevicePreference) getCachedPreference(key);
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if (preference == null) {
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preference = new BluetoothDevicePreference(getPrefContext(), cachedDevice);
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preference.setKey(key);
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mDeviceListGroup.addPreference(preference);
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} else {
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// Tell the preference it is being re-used in case there is new info in the
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// cached device.
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preference.rebind();
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}
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initDevicePreference(preference);
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mDevicePreferenceMap.put(cachedDevice, preference);
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}
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/**
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* Overridden in {@link BluetoothSettings} to add a listener.
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* @param preference the newly added preference
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*/
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void initDevicePreference(BluetoothDevicePreference preference) {
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// Does nothing by default
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}
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public void onDeviceDeleted(CachedBluetoothDevice cachedDevice) {
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BluetoothDevicePreference preference = mDevicePreferenceMap.remove(cachedDevice);
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if (preference != null) {
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mDeviceListGroup.removePreference(preference);
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}
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}
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public void onScanningStateChanged(boolean started) {
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updateProgressUi(started);
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}
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private void updateProgressUi(boolean start) {
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if (mDeviceListGroup instanceof BluetoothProgressCategory) {
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((BluetoothProgressCategory) mDeviceListGroup).setProgress(start);
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}
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}
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public void onBluetoothStateChanged(int bluetoothState) {
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if (bluetoothState == BluetoothAdapter.STATE_OFF) {
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updateProgressUi(false);
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}
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}
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public void onConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) { }
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}
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