Files
app_Settings/src/com/android/settings/wfd/WifiDisplaySettings.java
hoffc 0304a0e88b Settings: Optimize the selected WFD route preference summary
RouteInfo has several status values, such as unavailable status. But according to current logic, unavailable status will be displayed as connnected. it is not reasonable.

Update and optimize the route preference summary with the real WFD status value.

Change-Id: Iacd10e0133d06ef0b86da38cf763fe7def6ed7de
Buganizer: 231656030
2022-05-09 09:22:57 +08:00

779 lines
29 KiB
Java
Executable File

/*
* Copyright (C) 2012 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 com.android.settings.wfd;
import android.app.settings.SettingsEnums;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.database.ContentObserver;
import android.hardware.display.DisplayManager;
import android.hardware.display.WifiDisplay;
import android.hardware.display.WifiDisplayStatus;
import android.media.MediaRouter;
import android.media.MediaRouter.RouteInfo;
import android.net.Uri;
import android.net.wifi.WpsInfo;
import android.net.wifi.p2p.WifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager.ActionListener;
import android.net.wifi.p2p.WifiP2pManager.Channel;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Slog;
import android.util.TypedValue;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.appcompat.app.AlertDialog;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import androidx.preference.Preference.OnPreferenceChangeListener;
import androidx.preference.PreferenceCategory;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceScreen;
import androidx.preference.PreferenceViewHolder;
import androidx.preference.SwitchPreference;
import com.android.internal.app.MediaRouteDialogPresenter;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settingslib.search.Indexable;
import com.android.settingslib.search.SearchIndexable;
import com.android.settingslib.widget.TwoTargetPreference;
/**
* The Settings screen for WifiDisplay configuration and connection management.
*
* The wifi display routes are integrated together with other remote display routes
* from the media router. It may happen that wifi display isn't actually available
* on the system. In that case, the enable option will not be shown but other
* remote display routes will continue to be made available.
*/
@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
public final class WifiDisplaySettings extends SettingsPreferenceFragment implements Indexable {
private static final String TAG = "WifiDisplaySettings";
private static final boolean DEBUG = false;
private static final int MENU_ID_ENABLE_WIFI_DISPLAY = Menu.FIRST;
private static final int CHANGE_SETTINGS = 1 << 0;
private static final int CHANGE_ROUTES = 1 << 1;
private static final int CHANGE_WIFI_DISPLAY_STATUS = 1 << 2;
private static final int CHANGE_ALL = -1;
private static final int ORDER_CERTIFICATION = 1;
private static final int ORDER_CONNECTED = 2;
private static final int ORDER_AVAILABLE = 3;
private static final int ORDER_UNAVAILABLE = 4;
private final Handler mHandler;
private MediaRouter mRouter;
private DisplayManager mDisplayManager;
private boolean mStarted;
private int mPendingChanges;
private boolean mWifiDisplayOnSetting;
private WifiDisplayStatus mWifiDisplayStatus;
private TextView mEmptyView;
/* certification */
private boolean mWifiDisplayCertificationOn;
private WifiP2pManager mWifiP2pManager;
private Channel mWifiP2pChannel;
private PreferenceGroup mCertCategory;
private boolean mListen;
private boolean mAutoGO;
private int mWpsConfig = WpsInfo.INVALID;
private int mListenChannel;
private int mOperatingChannel;
public WifiDisplaySettings() {
mHandler = new Handler();
}
@Override
public int getMetricsCategory() {
return SettingsEnums.WFD_WIFI_DISPLAY;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
final Context context = getActivity();
mRouter = (MediaRouter) context.getSystemService(Context.MEDIA_ROUTER_SERVICE);
mRouter.setRouterGroupId(MediaRouter.MIRRORING_GROUP_ID);
mDisplayManager = (DisplayManager) context.getSystemService(Context.DISPLAY_SERVICE);
mWifiP2pManager = (WifiP2pManager) context.getSystemService(Context.WIFI_P2P_SERVICE);
mWifiP2pChannel = mWifiP2pManager.initialize(context, Looper.getMainLooper(), null);
addPreferencesFromResource(R.xml.wifi_display_settings);
setHasOptionsMenu(true);
}
@Override
public int getHelpResource() {
return R.string.help_url_remote_display;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mEmptyView = (TextView) getView().findViewById(android.R.id.empty);
mEmptyView.setText(R.string.wifi_display_no_devices_found);
setEmptyView(mEmptyView);
}
@Override
public void onStart() {
super.onStart();
mStarted = true;
final Context context = getActivity();
IntentFilter filter = new IntentFilter();
filter.addAction(DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED);
context.registerReceiver(mReceiver, filter);
getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.WIFI_DISPLAY_ON), false, mSettingsObserver);
getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON), false, mSettingsObserver);
getContentResolver().registerContentObserver(Settings.Global.getUriFor(
Settings.Global.WIFI_DISPLAY_WPS_CONFIG), false, mSettingsObserver);
mRouter.addCallback(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, mRouterCallback,
MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
update(CHANGE_ALL);
}
@Override
public void onStop() {
super.onStop();
mStarted = false;
final Context context = getActivity();
context.unregisterReceiver(mReceiver);
getContentResolver().unregisterContentObserver(mSettingsObserver);
mRouter.removeCallback(mRouterCallback);
unscheduleUpdate();
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
if (mWifiDisplayStatus != null && mWifiDisplayStatus.getFeatureState()
!= WifiDisplayStatus.FEATURE_STATE_UNAVAILABLE) {
MenuItem item = menu.add(Menu.NONE, MENU_ID_ENABLE_WIFI_DISPLAY, 0,
R.string.wifi_display_enable_menu_item);
item.setCheckable(true);
item.setChecked(mWifiDisplayOnSetting);
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_ID_ENABLE_WIFI_DISPLAY:
mWifiDisplayOnSetting = !item.isChecked();
item.setChecked(mWifiDisplayOnSetting);
Settings.Global.putInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_ON, mWifiDisplayOnSetting ? 1 : 0);
return true;
}
return super.onOptionsItemSelected(item);
}
public static boolean isAvailable(Context context) {
return context.getSystemService(Context.DISPLAY_SERVICE) != null
&& context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI_DIRECT)
&& context.getSystemService(Context.WIFI_P2P_SERVICE) != null;
}
private void scheduleUpdate(int changes) {
if (mStarted) {
if (mPendingChanges == 0) {
mHandler.post(mUpdateRunnable);
}
mPendingChanges |= changes;
}
}
private void unscheduleUpdate() {
if (mPendingChanges != 0) {
mPendingChanges = 0;
mHandler.removeCallbacks(mUpdateRunnable);
}
}
private void update(int changes) {
boolean invalidateOptions = false;
// Update settings.
if ((changes & CHANGE_SETTINGS) != 0) {
mWifiDisplayOnSetting = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_ON, 0) != 0;
mWifiDisplayCertificationOn = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0;
mWpsConfig = Settings.Global.getInt(getContentResolver(),
Settings.Global.WIFI_DISPLAY_WPS_CONFIG, WpsInfo.INVALID);
// The wifi display enabled setting may have changed.
invalidateOptions = true;
}
// Update wifi display state.
if ((changes & CHANGE_WIFI_DISPLAY_STATUS) != 0) {
mWifiDisplayStatus = mDisplayManager.getWifiDisplayStatus();
// The wifi display feature state may have changed.
invalidateOptions = true;
}
// Rebuild the routes.
final PreferenceScreen preferenceScreen = getPreferenceScreen();
preferenceScreen.removeAll();
// Add all known remote display routes.
final int routeCount = mRouter.getRouteCount();
for (int i = 0; i < routeCount; i++) {
MediaRouter.RouteInfo route = mRouter.getRouteAt(i);
if (route.matchesTypes(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY)) {
preferenceScreen.addPreference(createRoutePreference(route));
}
}
// Additional features for wifi display routes.
if (mWifiDisplayStatus != null
&& mWifiDisplayStatus.getFeatureState() == WifiDisplayStatus.FEATURE_STATE_ON) {
// Add all unpaired wifi displays.
for (WifiDisplay display : mWifiDisplayStatus.getDisplays()) {
if (!display.isRemembered() && display.isAvailable()
&& !display.equals(mWifiDisplayStatus.getActiveDisplay())) {
preferenceScreen.addPreference(new UnpairedWifiDisplayPreference(
getPrefContext(), display));
}
}
// Add the certification menu if enabled in developer options.
if (mWifiDisplayCertificationOn) {
buildCertificationMenu(preferenceScreen);
}
}
// Invalidate menu options if needed.
if (invalidateOptions) {
getActivity().invalidateOptionsMenu();
}
}
private RoutePreference createRoutePreference(MediaRouter.RouteInfo route) {
WifiDisplay display = findWifiDisplay(route.getDeviceAddress());
if (display != null) {
return new WifiDisplayRoutePreference(getPrefContext(), route, display);
} else {
return new RoutePreference(getPrefContext(), route);
}
}
private WifiDisplay findWifiDisplay(String deviceAddress) {
if (mWifiDisplayStatus != null && deviceAddress != null) {
for (WifiDisplay display : mWifiDisplayStatus.getDisplays()) {
if (display.getDeviceAddress().equals(deviceAddress)) {
return display;
}
}
}
return null;
}
private void buildCertificationMenu(final PreferenceScreen preferenceScreen) {
if (mCertCategory == null) {
mCertCategory = new PreferenceCategory(getPrefContext());
mCertCategory.setTitle(R.string.wifi_display_certification_heading);
mCertCategory.setOrder(ORDER_CERTIFICATION);
} else {
mCertCategory.removeAll();
}
preferenceScreen.addPreference(mCertCategory);
// display session info if there is an active p2p session
if (!mWifiDisplayStatus.getSessionInfo().getGroupId().isEmpty()) {
Preference p = new Preference(getPrefContext());
p.setTitle(R.string.wifi_display_session_info);
p.setSummary(mWifiDisplayStatus.getSessionInfo().toString());
mCertCategory.addPreference(p);
// show buttons for Pause/Resume when a WFD session is established
if (mWifiDisplayStatus.getSessionInfo().getSessionId() != 0) {
mCertCategory.addPreference(new Preference(getPrefContext()) {
@Override
public void onBindViewHolder(PreferenceViewHolder view) {
super.onBindViewHolder(view);
Button b = (Button) view.findViewById(R.id.left_button);
b.setText(R.string.wifi_display_pause);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mDisplayManager.pauseWifiDisplay();
}
});
b = (Button) view.findViewById(R.id.right_button);
b.setText(R.string.wifi_display_resume);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mDisplayManager.resumeWifiDisplay();
}
});
}
});
mCertCategory.setLayoutResource(R.layout.two_buttons_panel);
}
}
// switch for Listen Mode
SwitchPreference pref = new SwitchPreference(getPrefContext()) {
@Override
protected void onClick() {
mListen = !mListen;
setListenMode(mListen);
setChecked(mListen);
}
};
pref.setTitle(R.string.wifi_display_listen_mode);
pref.setChecked(mListen);
mCertCategory.addPreference(pref);
// switch for Autonomous GO
pref = new SwitchPreference(getPrefContext()) {
@Override
protected void onClick() {
mAutoGO = !mAutoGO;
if (mAutoGO) {
startAutoGO();
} else {
stopAutoGO();
}
setChecked(mAutoGO);
}
};
pref.setTitle(R.string.wifi_display_autonomous_go);
pref.setChecked(mAutoGO);
mCertCategory.addPreference(pref);
// Drop down list for choosing WPS method (PBC/KEYPAD/DISPLAY)
ListPreference lp = new ListPreference(getPrefContext());
lp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
int wpsConfig = Integer.parseInt((String) value);
if (wpsConfig != mWpsConfig) {
mWpsConfig = wpsConfig;
getActivity().invalidateOptionsMenu();
Settings.Global.putInt(getActivity().getContentResolver(),
Settings.Global.WIFI_DISPLAY_WPS_CONFIG, mWpsConfig);
}
return true;
}
});
mWpsConfig = Settings.Global.getInt(getActivity().getContentResolver(),
Settings.Global.WIFI_DISPLAY_WPS_CONFIG, WpsInfo.INVALID);
String[] wpsEntries = {"Default", "PBC", "KEYPAD", "DISPLAY"};
String[] wpsValues = {
"" + WpsInfo.INVALID,
"" + WpsInfo.PBC,
"" + WpsInfo.KEYPAD,
"" + WpsInfo.DISPLAY};
lp.setKey("wps");
lp.setTitle(R.string.wifi_display_wps_config);
lp.setEntries(wpsEntries);
lp.setEntryValues(wpsValues);
lp.setValue("" + mWpsConfig);
lp.setSummary("%1$s");
mCertCategory.addPreference(lp);
// Drop down list for choosing listen channel
lp = new ListPreference(getPrefContext());
lp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
int channel = Integer.parseInt((String) value);
if (channel != mListenChannel) {
mListenChannel = channel;
getActivity().invalidateOptionsMenu();
setWifiP2pChannels(mListenChannel, mOperatingChannel);
}
return true;
}
});
String[] lcEntries = {"Auto", "1", "6", "11"};
String[] lcValues = {"0", "1", "6", "11"};
lp.setKey("listening_channel");
lp.setTitle(R.string.wifi_display_listen_channel);
lp.setEntries(lcEntries);
lp.setEntryValues(lcValues);
lp.setValue("" + mListenChannel);
lp.setSummary("%1$s");
mCertCategory.addPreference(lp);
// Drop down list for choosing operating channel
lp = new ListPreference(getPrefContext());
lp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
int channel = Integer.parseInt((String) value);
if (channel != mOperatingChannel) {
mOperatingChannel = channel;
getActivity().invalidateOptionsMenu();
setWifiP2pChannels(mListenChannel, mOperatingChannel);
}
return true;
}
});
String[] ocEntries = {"Auto", "1", "6", "11", "36"};
String[] ocValues = {"0", "1", "6", "11", "36"};
lp.setKey("operating_channel");
lp.setTitle(R.string.wifi_display_operating_channel);
lp.setEntries(ocEntries);
lp.setEntryValues(ocValues);
lp.setValue("" + mOperatingChannel);
lp.setSummary("%1$s");
mCertCategory.addPreference(lp);
}
private void startAutoGO() {
if (DEBUG) {
Slog.d(TAG, "Starting Autonomous GO...");
}
mWifiP2pManager.createGroup(mWifiP2pChannel, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully started AutoGO.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to start AutoGO with reason " + reason + ".");
}
});
}
private void stopAutoGO() {
if (DEBUG) {
Slog.d(TAG, "Stopping Autonomous GO...");
}
mWifiP2pManager.removeGroup(mWifiP2pChannel, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully stopped AutoGO.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to stop AutoGO with reason " + reason + ".");
}
});
}
private void setListenMode(final boolean enable) {
if (DEBUG) {
Slog.d(TAG, "Setting listen mode to: " + enable);
}
final ActionListener listener = new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully " + (enable ? "entered" : "exited")
+ " listen mode.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to " + (enable ? "entered" : "exited")
+ " listen mode with reason " + reason + ".");
}
};
if (enable) {
mWifiP2pManager.startListening(mWifiP2pChannel, listener);
} else {
mWifiP2pManager.stopListening(mWifiP2pChannel, listener);
}
}
private void setWifiP2pChannels(final int lc, final int oc) {
if (DEBUG) {
Slog.d(TAG, "Setting wifi p2p channel: lc=" + lc + ", oc=" + oc);
}
mWifiP2pManager.setWifiP2pChannels(mWifiP2pChannel,
lc, oc, new ActionListener() {
@Override
public void onSuccess() {
if (DEBUG) {
Slog.d(TAG, "Successfully set wifi p2p channels.");
}
}
@Override
public void onFailure(int reason) {
Slog.e(TAG, "Failed to set wifi p2p channels with reason " + reason + ".");
}
});
}
private void toggleRoute(MediaRouter.RouteInfo route) {
if (route.isSelected()) {
MediaRouteDialogPresenter.showDialogFragment(getActivity(),
MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, null);
} else {
route.select();
}
}
private void pairWifiDisplay(WifiDisplay display) {
if (display.canConnect()) {
mDisplayManager.connectWifiDisplay(display.getDeviceAddress());
}
}
private void showWifiDisplayOptionsDialog(final WifiDisplay display) {
View view = getActivity().getLayoutInflater().inflate(R.layout.wifi_display_options, null);
final EditText nameEditText = (EditText) view.findViewById(R.id.name);
nameEditText.setText(display.getFriendlyDisplayName());
DialogInterface.OnClickListener done = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String name = nameEditText.getText().toString().trim();
if (name.isEmpty() || name.equals(display.getDeviceName())) {
name = null;
}
mDisplayManager.renameWifiDisplay(display.getDeviceAddress(), name);
}
};
DialogInterface.OnClickListener forget = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
mDisplayManager.forgetWifiDisplay(display.getDeviceAddress());
}
};
AlertDialog dialog = new AlertDialog.Builder(getActivity())
.setCancelable(true)
.setTitle(R.string.wifi_display_options_title)
.setView(view)
.setPositiveButton(R.string.wifi_display_options_done, done)
.setNegativeButton(R.string.wifi_display_options_forget, forget)
.create();
dialog.show();
}
private final Runnable mUpdateRunnable = new Runnable() {
@Override
public void run() {
final int changes = mPendingChanges;
mPendingChanges = 0;
update(changes);
}
};
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED)) {
scheduleUpdate(CHANGE_WIFI_DISPLAY_STATUS);
}
}
};
private final ContentObserver mSettingsObserver = new ContentObserver(new Handler()) {
@Override
public void onChange(boolean selfChange, Uri uri) {
scheduleUpdate(CHANGE_SETTINGS);
}
};
private final MediaRouter.Callback mRouterCallback = new MediaRouter.SimpleCallback() {
@Override
public void onRouteAdded(MediaRouter router, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteChanged(MediaRouter router, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteRemoved(MediaRouter router, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteSelected(MediaRouter router, int type, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
@Override
public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) {
scheduleUpdate(CHANGE_ROUTES);
}
};
private class RoutePreference extends TwoTargetPreference
implements Preference.OnPreferenceClickListener {
private final MediaRouter.RouteInfo mRoute;
public RoutePreference(Context context, MediaRouter.RouteInfo route) {
super(context);
mRoute = route;
setTitle(route.getName());
setSummary(route.getDescription());
setEnabled(route.isEnabled());
if (route.isSelected()) {
setOrder(ORDER_CONNECTED);
if (route.isConnecting()) {
setSummary(R.string.wifi_display_status_connecting);
} else {
CharSequence status = route.getStatus();
if (!TextUtils.isEmpty(status)) {
setSummary(status);
} else {
setSummary(R.string.wifi_display_status_connected);
}
}
} else {
if (isEnabled()) {
setOrder(ORDER_AVAILABLE);
} else {
setOrder(ORDER_UNAVAILABLE);
if (route.getStatusCode() == MediaRouter.RouteInfo.STATUS_IN_USE) {
setSummary(R.string.wifi_display_status_in_use);
} else {
setSummary(R.string.wifi_display_status_not_available);
}
}
}
setOnPreferenceClickListener(this);
}
@Override
public boolean onPreferenceClick(Preference preference) {
toggleRoute(mRoute);
return true;
}
}
private class WifiDisplayRoutePreference extends RoutePreference
implements View.OnClickListener {
private final WifiDisplay mDisplay;
@Override
protected int getSecondTargetResId() {
return R.layout.preference_widget_gear;
}
public WifiDisplayRoutePreference(Context context, MediaRouter.RouteInfo route,
WifiDisplay display) {
super(context, route);
mDisplay = display;
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
final ImageView gear = (ImageView) holder.findViewById(R.id.settings_button);
if (gear != null) {
gear.setOnClickListener(this);
if (!isEnabled()) {
TypedValue value = new TypedValue();
getContext().getTheme().resolveAttribute(android.R.attr.disabledAlpha,
value, true);
gear.setImageAlpha((int) (value.getFloat() * 255));
gear.setEnabled(true); // always allow button to be pressed
}
}
}
@Override
public void onClick(View v) {
showWifiDisplayOptionsDialog(mDisplay);
}
}
private class UnpairedWifiDisplayPreference extends Preference
implements Preference.OnPreferenceClickListener {
private final WifiDisplay mDisplay;
public UnpairedWifiDisplayPreference(Context context, WifiDisplay display) {
super(context);
mDisplay = display;
setTitle(display.getFriendlyDisplayName());
setSummary(com.android.internal.R.string.wireless_display_route_description);
setEnabled(display.canConnect());
if (isEnabled()) {
setOrder(ORDER_AVAILABLE);
} else {
setOrder(ORDER_UNAVAILABLE);
setSummary(R.string.wifi_display_status_in_use);
}
setOnPreferenceClickListener(this);
}
@Override
public boolean onPreferenceClick(Preference preference) {
pairWifiDisplay(mDisplay);
return true;
}
}
public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider(R.xml.wifi_display_settings);
}