下面列出了android.view.KeyEvent#getEventTime ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private boolean isDownEventInterruptsActionSequence(KeyEvent keyEvent) {
if (mDoubleButtonPresses != 0
&& keyEvent.getEventTime() - mLastDoubleButtonPressEndTimestamp > MULTIPLE_TAP_TIMEOUT) {
// too long timeout between previous double volume buttons pushes
return true;
}
VolumeButtonAction otherAction = getOtherAction(keyEvent);
//noinspection RedundantIfStatement
if (otherAction != null && !otherAction.pressed) {
// other button was released before current action pressed
return true;
}
return false;
}
/**
* Method to start tracking processing latency for a key event.
*
* @param event A key event just received by TalkBack
* @return An event id that can be used to track performance through later stages.
*/
public EventId onEventReceived(@NonNull KeyEvent event) {
int keycode = event.getKeyCode();
EventId eventId = new EventId(event.getEventTime(), EVENT_TYPE_KEY, keycode);
if (!mEnabled) {
return eventId;
}
// Segment key events based on key groups.
String label = "KeyEvent-other";
if (KeyEvent.KEYCODE_0 <= keycode && keycode <= KeyEvent.KEYCODE_9) {
label = "KeyEvent-numeric";
} else if (KeyEvent.KEYCODE_A <= keycode && keycode <= KeyEvent.KEYCODE_Z) {
label = "KeyEvent-alpha";
} else if (KeyEvent.KEYCODE_DPAD_UP <= keycode && keycode <= KeyEvent.KEYCODE_DPAD_CENTER) {
label = "KeyEvent-dpad";
} else if (KeyEvent.KEYCODE_VOLUME_UP <= keycode && keycode <= KeyEvent.KEYCODE_VOLUME_DOWN) {
label = "KeyEvent-volume";
}
String[] labels = {label};
onEventReceived(eventId, labels);
return eventId;
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() != KeyEvent.ACTION_DOWN) return false;
Runnable listener;
if (isVolumeKey(keyCode, KeyEvent.KEYCODE_VOLUME_DOWN)) {
listener = onVolumeDownListener;
} else if (isVolumeKey(keyCode, KeyEvent.KEYCODE_VOLUME_UP)) {
listener = onVolumeUpListener;
} else if (keyCode == KeyEvent.KEYCODE_BACK) {
listener = onBackListener;
} else {
return false;
}
if (event.getRepeatCount() == 0) {
listener.run();
nextNotifyTime = event.getEventTime() + cooldown;
} else if (event.getEventTime() >= nextNotifyTime) {
listener.run();
nextNotifyTime = event.getEventTime() + (isTurboEnabled ? turboCooldown : cooldown);
}
return true;
}
@Override
public boolean onKeyLongPress(int keyCode, KeyEvent event) {
boolean handled = false;
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_NUMPAD_ENTER:
case KeyEvent.KEYCODE_ENTER:
mLastLongPress = event.getEventTime();
performItemLongClick(getSelectedView(), getSelectedItemPosition(), getSelectedItemId());
handled = true;
break;
}
return handled || super.onKeyLongPress(keyCode, event);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event){
DrawerLayout drawer = findViewById(R.id.drawer_layout);
if(event.getKeyCode() == KeyEvent.KEYCODE_BACK){
if(drawer.isDrawerOpen(GravityCompat.START)){
switch(event.getAction()){
case KeyEvent.ACTION_DOWN:
if(event.getDownTime() - lastPressedTime < PERIOD){
finish();
}else{
Toast.makeText(context, R.string.press_again_to_exit, Toast.LENGTH_SHORT).show();
lastPressedTime = event.getEventTime();
}
return true;
}
}else if(!drawer.isDrawerOpen(GravityCompat.START)){
drawer.openDrawer(GravityCompat.START);
}
}
return false;
}
/**
* Send a key event to the currently focused window/view and wait for it to
* be processed. Finished at some point after the recipient has returned
* from its event processing, though it may <em>not</em> have completely
* finished reacting from the event -- for example, if it needs to update
* its display as a result, it may still be in the process of doing that.
*
* @param event The event to send to the current focus.
*/
public void sendKeySync(KeyEvent event) {
validateNotAppThread();
long downTime = event.getDownTime();
long eventTime = event.getEventTime();
int action = event.getAction();
int code = event.getKeyCode();
int repeatCount = event.getRepeatCount();
int metaState = event.getMetaState();
int deviceId = event.getDeviceId();
int scancode = event.getScanCode();
int source = event.getSource();
int flags = event.getFlags();
if (source == InputDevice.SOURCE_UNKNOWN) {
source = InputDevice.SOURCE_KEYBOARD;
}
if (eventTime == 0) {
eventTime = SystemClock.uptimeMillis();
}
if (downTime == 0) {
downTime = eventTime;
}
KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
InputManager.getInstance().injectInputEvent(newEvent,
InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
/**
* Send a key event to the currently focused window/view and wait for it to
* be processed. Finished at some point after the recipient has returned
* from its event processing, though it may <em>not</em> have completely
* finished reacting from the event -- for example, if it needs to update
* its display as a result, it may still be in the process of doing that.
*
* @param event The event to send to the current focus.
*/
public void sendKeySync(KeyEvent event) {
validateNotAppThread();
long downTime = event.getDownTime();
long eventTime = event.getEventTime();
int action = event.getAction();
int code = event.getKeyCode();
int repeatCount = event.getRepeatCount();
int metaState = event.getMetaState();
int deviceId = event.getDeviceId();
int scancode = event.getScanCode();
int source = event.getSource();
int flags = event.getFlags();
if (source == InputDevice.SOURCE_UNKNOWN) {
source = InputDevice.SOURCE_KEYBOARD;
}
if (eventTime == 0) {
eventTime = SystemClock.uptimeMillis();
}
if (downTime == 0) {
downTime = eventTime;
}
KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
InputManager.getInstance().injectInputEvent(newEvent,
InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
private void handleActionUpEvent(KeyEvent event) {
if (lastAction != null) {
lastAction.pressed = false;
lastAction.endTimestamp = event.getEventTime();
}
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event)
{
// If back key
if (keyCode == KeyEvent.KEYCODE_BACK) {
// A custom view is currently displayed (e.g. playing a video)
if(mCustomView != null) {
this.hideCustomView();
} else {
// The webview is currently displayed
// If back key is bound, then send event to JavaScript
if (this.bound) {
this.loadUrl("javascript:cordova.fireDocumentEvent('backbutton');");
return true;
} else {
// If not bound
// Go to previous page in webview if it is possible to go back
if (this.backHistory()) {
return true;
}
// If not, then invoke default behaviour
else {
//this.activityState = ACTIVITY_EXITING;
//return false;
// If they hit back button when app is initializing, app should exit instead of hang until initilazation (CB2-458)
this.cordova.getActivity().finish();
}
}
}
}
// Legacy
else if (keyCode == KeyEvent.KEYCODE_MENU) {
if (this.lastMenuEventTime < event.getEventTime()) {
this.loadUrl("javascript:cordova.fireDocumentEvent('menubutton');");
}
this.lastMenuEventTime = event.getEventTime();
return super.onKeyUp(keyCode, event);
}
// If search key
else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
this.loadUrl("javascript:cordova.fireDocumentEvent('searchbutton');");
return true;
}
else if(keyUpCodes.contains(keyCode))
{
//What the hell should this do?
return super.onKeyUp(keyCode, event);
}
//Does webkit change this behavior?
return super.onKeyUp(keyCode, event);
}
private void handleActionUpEvent(KeyEvent event) {
if (mAction != null) {
mAction.pressed = false;
mAction.endTimestamp = event.getEventTime();
}
}
public static boolean handleIntent(final Context context, final Intent intent) {
final String intentAction = intent.getAction();
if (Intent.ACTION_MEDIA_BUTTON.equals(intentAction)) {
final KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
if (event == null) {
return false;
}
final int keycode = event.getKeyCode();
final int action = event.getAction();
// Fallback to system time if event time was not available.
final long eventTime = event.getEventTime() != 0 ? event.getEventTime() : System.currentTimeMillis();
String command = null;
switch (keycode) {
case KeyEvent.KEYCODE_MEDIA_STOP:
command = MediaPlayerService.ACTION_STOP;
break;
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
command = MediaPlayerService.ACTION_TOGGLE_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_NEXT:
command = MediaPlayerService.ACTION_FORWARD;
break;
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
command = MediaPlayerService.ACTION_BACKWARD;
break;
case KeyEvent.KEYCODE_MEDIA_PAUSE:
command = MediaPlayerService.ACTION_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_PLAY:
command = MediaPlayerService.ACTION_PLAY;
break;
}
if (command != null) {
if (action == KeyEvent.ACTION_DOWN) {
if (event.getRepeatCount() == 0) {
// Only consider the first event in a sequence, not the repeat events,
// so that we don't trigger in cases where the first event went to
// a different app (e.g. when the user ends a phone call by
// long pressing the headset button)
// The service may or may not be running, but we need to send it
// a command.
if (keycode == KeyEvent.KEYCODE_HEADSETHOOK || keycode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
if (eventTime - mLastClickTime >= DOUBLE_CLICK) {
mClickCounter = 0;
}
mClickCounter++;
mHandler.removeMessages(MSG_HEADSET_DOUBLE_CLICK_TIMEOUT);
Message msg = mHandler.obtainMessage(MSG_HEADSET_DOUBLE_CLICK_TIMEOUT, mClickCounter, 0, context);
long delay = mClickCounter < 3 ? DOUBLE_CLICK : 0;
if (mClickCounter >= 3) {
mClickCounter = 0;
}
mLastClickTime = eventTime;
acquireWakeLockAndSendMessage(context, msg, delay);
} else {
startService(context, command);
}
return true;
}
}
}
}
return false;
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event)
{
// If back key
if (keyCode == KeyEvent.KEYCODE_BACK) {
// A custom view is currently displayed (e.g. playing a video)
if(mCustomView != null) {
this.hideCustomView();
} else {
// The webview is currently displayed
// If back key is bound, then send event to JavaScript
if (this.bound) {
this.loadUrl("javascript:cordova.fireDocumentEvent('backbutton');");
return true;
} else {
// If not bound
// Go to previous page in webview if it is possible to go back
if (this.backHistory()) {
return true;
}
// If not, then invoke default behaviour
else {
//this.activityState = ACTIVITY_EXITING;
//return false;
// If they hit back button when app is initializing, app should exit instead of hang until initilazation (CB2-458)
this.cordova.getActivity().finish();
}
}
}
}
// Legacy
else if (keyCode == KeyEvent.KEYCODE_MENU) {
if (this.lastMenuEventTime < event.getEventTime()) {
this.loadUrl("javascript:cordova.fireDocumentEvent('menubutton');");
}
this.lastMenuEventTime = event.getEventTime();
return super.onKeyUp(keyCode, event);
}
// If search key
else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
this.loadUrl("javascript:cordova.fireDocumentEvent('searchbutton');");
return true;
}
else if(keyUpCodes.contains(keyCode))
{
//What the hell should this do?
return super.onKeyUp(keyCode, event);
}
//Does webkit change this behavior?
return super.onKeyUp(keyCode, event);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event){
DrawerLayout drawer = findViewById(R.id.drawer_layout);
Fragment fragment = this.getFragmentManager().findFragmentById(R.id.fragmentHolder);
FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
if(event.getKeyCode() == KeyEvent.KEYCODE_BACK){
if(fragment instanceof DashBoard){
if(drawer.isDrawerOpen(GravityCompat.START)){
switch(event.getAction()){
case KeyEvent.ACTION_DOWN:
if(event.getDownTime() - lastPressedTime < PERIOD){
finish();
}else{
Toast.makeText(context, R.string.press_again_to_exit, Toast.LENGTH_SHORT).show();
lastPressedTime = event.getEventTime();
}
return true;
}
}else if(!drawer.isDrawerOpen(GravityCompat.START)){
drawer.openDrawer(GravityCompat.START);
}
}else if(fragment instanceof About){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof DesktopEnvironment){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof WindowManager){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof SSH){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof Uninstaller){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof Patches){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof SU){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}else if(fragment instanceof RootfsDownload){
fragment = new DashBoard();
fragmentTransaction.replace(R.id.fragmentHolder, fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
}
return false;
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event)
{
// If back key
if (keyCode == KeyEvent.KEYCODE_BACK) {
// A custom view is currently displayed (e.g. playing a video)
if(mCustomView != null) {
this.hideCustomView();
} else {
// The webview is currently displayed
// If back key is bound, then send event to JavaScript
if (this.bound) {
this.loadUrl("javascript:cordova.fireDocumentEvent('backbutton');");
return true;
} else {
// If not bound
// Go to previous page in webview if it is possible to go back
if (this.backHistory()) {
return true;
}
// If not, then invoke default behavior
else {
//this.activityState = ACTIVITY_EXITING;
//return false;
// If they hit back button when app is initializing, app should exit instead of hang until initialization (CB2-458)
this.cordova.getActivity().finish();
}
}
}
}
// Legacy
else if (keyCode == KeyEvent.KEYCODE_MENU) {
if (this.lastMenuEventTime < event.getEventTime()) {
this.loadUrl("javascript:cordova.fireDocumentEvent('menubutton');");
}
this.lastMenuEventTime = event.getEventTime();
return super.onKeyUp(keyCode, event);
}
// If search key
else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
this.loadUrl("javascript:cordova.fireDocumentEvent('searchbutton');");
return true;
}
else if(keyUpCodes.contains(keyCode))
{
//What the hell should this do?
return super.onKeyUp(keyCode, event);
}
//Does webkit change this behavior?
return super.onKeyUp(keyCode, event);
}
public static boolean handleIntent(final Context context, final Intent intent) {
final String intentAction = intent.getAction();
if (Intent.ACTION_MEDIA_BUTTON.equals(intentAction)) {
final KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
if (event == null) {
return false;
}
final int keycode = event.getKeyCode();
final int action = event.getAction();
final long eventTime = event.getEventTime() != 0 ?
event.getEventTime() : System.currentTimeMillis();
// Fallback to system time if event time was not available.
String command = null;
switch (keycode) {
case KeyEvent.KEYCODE_MEDIA_STOP:
command = MusicService.ACTION_STOP;
break;
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
command = MusicService.ACTION_TOGGLE_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_NEXT:
command = MusicService.ACTION_SKIP;
break;
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
command = MusicService.ACTION_REWIND;
break;
case KeyEvent.KEYCODE_MEDIA_PAUSE:
command = MusicService.ACTION_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_PLAY:
command = MusicService.ACTION_PLAY;
break;
}
if (command != null) {
if (action == KeyEvent.ACTION_DOWN) {
if (event.getRepeatCount() == 0) {
// Only consider the first event in a sequence, not the repeat events,
// so that we don't trigger in cases where the first event went to
// a different app (e.g. when the user ends a phone call by
// long pressing the headset button)
// The service may or may not be running, but we need to send it
// a command.
if (keycode == KeyEvent.KEYCODE_HEADSETHOOK || keycode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
if (eventTime - mLastClickTime >= DOUBLE_CLICK) {
mClickCounter = 0;
}
mClickCounter++;
if (DEBUG) Log.v(TAG, "Got headset click, count = " + mClickCounter);
mHandler.removeMessages(MSG_HEADSET_DOUBLE_CLICK_TIMEOUT);
Message msg = mHandler.obtainMessage(
MSG_HEADSET_DOUBLE_CLICK_TIMEOUT, mClickCounter, 0, context);
long delay = mClickCounter < 3 ? DOUBLE_CLICK : 0;
if (mClickCounter >= 3) {
mClickCounter = 0;
}
mLastClickTime = eventTime;
acquireWakeLockAndSendMessage(context, msg, delay);
} else {
startService(context, command);
}
return true;
}
}
}
}
return false;
}
private boolean isDownEventInterruptsActionSequence(KeyEvent keyEvent) {
// Too long timeout between previous buttons pushes.
return buttonPresses != 0
&& keyEvent.getEventTime() - lastButtonPressEndTimestamp > MULTIPLE_TAP_TIMEOUT;
}
public static boolean handleIntent(final Context context, final Intent intent) {
final String intentAction = intent.getAction();
if (Intent.ACTION_MEDIA_BUTTON.equals(intentAction)) {
final KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
if (event == null) {
return false;
}
final int keycode = event.getKeyCode();
final int action = event.getAction();
final long eventTime = event.getEventTime();
String command = null;
switch (keycode) {
case KeyEvent.KEYCODE_MEDIA_STOP:
command = ACTION_STOP;
break;
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
command = ACTION_TOGGLE_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_NEXT:
command = ACTION_SKIP;
break;
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
command = ACTION_REWIND;
break;
case KeyEvent.KEYCODE_MEDIA_PAUSE:
command = ACTION_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_PLAY:
command = ACTION_PLAY;
break;
}
if (command != null) {
if (action == KeyEvent.ACTION_DOWN) {
if (event.getRepeatCount() == 0) {
// Only consider the first event in a sequence, not the repeat events,
// so that we don't trigger in cases where the first event went to
// a different app (e.g. when the user ends a phone call by
// long pressing the headset button)
// The service may or may not be running, but we need to send it
// a command.
if (keycode == KeyEvent.KEYCODE_HEADSETHOOK) {
if (eventTime - mLastClickTime >= DOUBLE_CLICK) {
mClickCounter = 0;
}
mClickCounter++;
if (DEBUG) Log.v(TAG, "Got headset click, count = " + mClickCounter);
mHandler.removeMessages(MSG_HEADSET_DOUBLE_CLICK_TIMEOUT);
Message msg = mHandler.obtainMessage(
MSG_HEADSET_DOUBLE_CLICK_TIMEOUT, mClickCounter, 0, context);
long delay = mClickCounter < 3 ? DOUBLE_CLICK : 0;
if (mClickCounter >= 3) {
mClickCounter = 0;
}
mLastClickTime = eventTime;
acquireWakeLockAndSendMessage(context, msg, delay);
} else {
startService(context, command);
}
return true;
}
}
}
}
return false;
}
@Override
public void onReceive(final Context context, final Intent intent) {
final String intentAction = intent.getAction();
if (AudioManager.ACTION_AUDIO_BECOMING_NOISY.equals(intentAction)) {
if (PreferencesUtility.getInstance(context).pauseEnabledOnDetach())
startService(context, MusicService.CMDPAUSE);
} else if (Intent.ACTION_MEDIA_BUTTON.equals(intentAction)) {
final KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
if (event == null) {
return;
}
final int keycode = event.getKeyCode();
final int action = event.getAction();
final long eventtime = event.getEventTime();
String command = null;
switch (keycode) {
case KeyEvent.KEYCODE_MEDIA_STOP:
command = MusicService.CMDSTOP;
break;
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
command = MusicService.CMDTOGGLEPAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_NEXT:
command = MusicService.CMDNEXT;
break;
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
command = MusicService.CMDPREVIOUS;
break;
case KeyEvent.KEYCODE_MEDIA_PAUSE:
command = MusicService.CMDPAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_PLAY:
command = MusicService.CMDPLAY;
break;
}
if (command != null) {
if (action == KeyEvent.ACTION_DOWN) {
if (mDown) {
if (MusicService.CMDTOGGLEPAUSE.equals(command)
|| MusicService.CMDPLAY.equals(command)) {
if (mLastClickTime != 0
&& eventtime - mLastClickTime > LONG_PRESS_DELAY) {
acquireWakeLockAndSendMessage(context,
mHandler.obtainMessage(MSG_LONGPRESS_TIMEOUT, context), 0);
}
}
} else if (event.getRepeatCount() == 0) {
if (keycode == KeyEvent.KEYCODE_HEADSETHOOK) {
if (eventtime - mLastClickTime >= DOUBLE_CLICK) {
mClickCounter = 0;
}
mClickCounter++;
if (DEBUG) Log.v(TAG, "Got headset click, count = " + mClickCounter);
mHandler.removeMessages(MSG_HEADSET_DOUBLE_CLICK_TIMEOUT);
Message msg = mHandler.obtainMessage(
MSG_HEADSET_DOUBLE_CLICK_TIMEOUT, mClickCounter, 0, context);
long delay = mClickCounter < 3 ? DOUBLE_CLICK : 0;
if (mClickCounter >= 3) {
mClickCounter = 0;
}
mLastClickTime = eventtime;
acquireWakeLockAndSendMessage(context, msg, delay);
} else {
startService(context, command);
}
mLaunched = false;
mDown = true;
}
} else {
mHandler.removeMessages(MSG_LONGPRESS_TIMEOUT);
mDown = false;
}
if (isOrderedBroadcast()) {
abortBroadcast();
}
releaseWakeLockIfHandlerIdle();
}
}
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event)
{
// If back key
if (keyCode == KeyEvent.KEYCODE_BACK) {
// A custom view is currently displayed (e.g. playing a video)
if(mCustomView != null) {
this.hideCustomView();
return true;
} else {
// The webview is currently displayed
// If back key is bound, then send event to JavaScript
if (isButtonPlumbedToJs(KeyEvent.KEYCODE_BACK)) {
sendJavascriptEvent("backbutton");
return true;
} else {
// If not bound
// Go to previous page in webview if it is possible to go back
if (this.backHistory()) {
return true;
}
// If not, then invoke default behavior
}
}
}
// Legacy
else if (keyCode == KeyEvent.KEYCODE_MENU) {
if (this.lastMenuEventTime < event.getEventTime()) {
sendJavascriptEvent("menubutton");
}
this.lastMenuEventTime = event.getEventTime();
return super.onKeyUp(keyCode, event);
}
// If search key
else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
sendJavascriptEvent("searchbutton");
return true;
}
//Does webkit change this behavior?
return super.onKeyUp(keyCode, event);
}
public static boolean handleIntent(final Context context, final Intent intent) {
final String intentAction = intent.getAction();
if (Intent.ACTION_MEDIA_BUTTON.equals(intentAction)) {
final KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
if (event == null) {
return false;
}
final int keycode = event.getKeyCode();
final int action = event.getAction();
final long eventTime = event.getEventTime() != 0 ?
event.getEventTime() : System.currentTimeMillis();
// Fallback to system time if event time was not available.
String command = null;
switch (keycode) {
case KeyEvent.KEYCODE_MEDIA_STOP:
command = MusicService.ACTION_STOP;
break;
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
command = MusicService.ACTION_TOGGLE_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_NEXT:
command = MusicService.ACTION_SKIP;
break;
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
command = MusicService.ACTION_REWIND;
break;
case KeyEvent.KEYCODE_MEDIA_PAUSE:
command = MusicService.ACTION_PAUSE;
break;
case KeyEvent.KEYCODE_MEDIA_PLAY:
command = MusicService.ACTION_PLAY;
break;
}
if (command != null) {
if (action == KeyEvent.ACTION_DOWN) {
if (event.getRepeatCount() == 0) {
// Only consider the first event in a sequence, not the repeat events,
// so that we don't trigger in cases where the first event went to
// a different app (e.g. when the user ends a phone call by
// long pressing the headset button)
// The service may or may not be running, but we need to send it
// a command.
if (keycode == KeyEvent.KEYCODE_HEADSETHOOK || keycode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
if (eventTime - mLastClickTime >= DOUBLE_CLICK) {
mClickCounter = 0;
}
mClickCounter++;
if (DEBUG) Log.v(TAG, "Got headset click, count = " + mClickCounter);
mHandler.removeMessages(MSG_HEADSET_DOUBLE_CLICK_TIMEOUT);
Message msg = mHandler.obtainMessage(
MSG_HEADSET_DOUBLE_CLICK_TIMEOUT, mClickCounter, 0, context);
long delay = mClickCounter < 3 ? DOUBLE_CLICK : 0;
if (mClickCounter >= 3) {
mClickCounter = 0;
}
mLastClickTime = eventTime;
acquireWakeLockAndSendMessage(context, msg, delay);
} else {
startService(context, command);
}
return true;
}
}
}
}
return false;
}