下面列出了android.view.KeyEvent#ACTION_MULTIPLE 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。
@Override
public boolean onKeyOther(TextView widget, Spannable text, KeyEvent event) {
final int movementMetaState = getMovementMetaState(text, event);
final int keyCode = event.getKeyCode();
if (keyCode != KeyEvent.KEYCODE_UNKNOWN
&& event.getAction() == KeyEvent.ACTION_MULTIPLE) {
final int repeat = event.getRepeatCount();
boolean handled = false;
for (int i = 0; i < repeat; i++) {
if (!handleMovementKey(widget, text, keyCode, movementMetaState, event)) {
break;
}
handled = true;
}
if (handled) {
MetaKeyKeyListener.adjustMetaAfterKeypress(text);
MetaKeyKeyListener.resetLockedMeta(text);
}
return handled;
}
return false;
}
/**
* Base implementation handles ACTION_MULTIPLE KEYCODE_UNKNOWN by inserting
* the event's text into the content.
*/
public boolean onKeyOther(View view, Editable content, KeyEvent event) {
if (event.getAction() != KeyEvent.ACTION_MULTIPLE
|| event.getKeyCode() != KeyEvent.KEYCODE_UNKNOWN) {
// Not something we are interested in.
return false;
}
int selectionStart = Selection.getSelectionStart(content);
int selectionEnd = Selection.getSelectionEnd(content);
if (selectionEnd < selectionStart) {
int temp = selectionEnd;
selectionEnd = selectionStart;
selectionStart = temp;
}
CharSequence text = event.getCharacters();
if (text == null) {
return false;
}
content.replace(selectionStart, selectionEnd, text);
return true;
}
/**
* Handles incoming key events. May intercept keys if the user seems to be performing a key combo.
*
* @param event The key event.
* @return {@code true} if the key was intercepted.
*/
@Override
public boolean onKeyEvent(KeyEvent event, EventId eventId) {
if (mKeyEventDelegate != null) {
if (mKeyEventDelegate.onKeyEvent(event, eventId)) {
return true;
}
}
if (!mHasPartialMatch && !mPerformedCombo && (!mMatchKeyCombo || mListeners.isEmpty())) {
return false;
}
switch (event.getAction()) {
case KeyEvent.ACTION_DOWN:
return onKeyDown(event);
case KeyEvent.ACTION_MULTIPLE:
return mHasPartialMatch;
case KeyEvent.ACTION_UP:
return onKeyUp(event);
default:
return false;
}
}
public boolean onKeyOther(TextView view, Spannable text, KeyEvent event) {
int code = event.getKeyCode();
if (code != KeyEvent.KEYCODE_UNKNOWN
&& event.getAction() == KeyEvent.ACTION_MULTIPLE) {
int repeat = event.getRepeatCount();
boolean handled = false;
while ((--repeat) > 0) {
handled |= executeDown(view, text, code,event);
}
return handled;
}
return false;
}
private ReturnObject keyEventToJs(KeyEvent event) {
ReturnObject o = new ReturnObject();
o.put("key", event.getKeyCode());
o.put("id", event.getDeviceId());
String action = "unknown";
switch (event.getAction()) {
case KeyEvent.ACTION_DOWN:
action = "down";
break;
case KeyEvent.ACTION_UP:
action = "up";
break;
case KeyEvent.ACTION_MULTIPLE:
action = "multiple";
break;
}
o.put("action", action);
o.put("alt", event.isAltPressed());
o.put("ctrl", event.isCtrlPressed());
o.put("fn", event.isFunctionPressed());
o.put("meta", event.isMetaPressed());
o.put("chars", event.getCharacters());
o.put("number", event.getNumber());
return o;
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_MULTIPLE) {
evaluateJavascript("document.activeElement.value = document.activeElement.value + '" + event.getCharacters() + "';", null);
return false;
}
return super.dispatchKeyEvent(event);
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
boolean isKeyOfInterest = keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER;
boolean isReleased = event.getAction() == KeyEvent.ACTION_UP;
boolean isPressed = event.getAction() == KeyEvent.ACTION_DOWN
&& event.getAction() != KeyEvent.ACTION_MULTIPLE;
if (isKeyOfInterest && isReleased) {
stopUpdating();
} else if (isKeyOfInterest && isPressed) {
startUpdating(v == plusImage);
}
return false;
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
boolean isKeyOfInterest = keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER;
boolean isReleased = event.getAction() == KeyEvent.ACTION_UP;
boolean isPressed = event.getAction() == KeyEvent.ACTION_DOWN
&& event.getAction() != KeyEvent.ACTION_MULTIPLE;
if (isKeyOfInterest && isReleased) {
stopUpdating();
} else if (isKeyOfInterest && isPressed) {
startUpdating(v == plusButton);
}
return false;
}
public boolean onKeyOther(TextView view, Spannable text, KeyEvent event) {
int code = event.getKeyCode();
if (code != KeyEvent.KEYCODE_UNKNOWN
&& event.getAction() == KeyEvent.ACTION_MULTIPLE) {
int repeat = event.getRepeatCount();
boolean handled = false;
while ((--repeat) > 0) {
handled |= executeDown(view, text, code,event);
}
return handled;
}
return false;
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
boolean isKeyOfInterest = keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER;
boolean isReleased = event.getAction() == KeyEvent.ACTION_UP;
boolean isPressed = event.getAction() == KeyEvent.ACTION_DOWN
&& event.getAction() != KeyEvent.ACTION_MULTIPLE;
if (isKeyOfInterest && isReleased) {
stopUpdating();
} else if (isKeyOfInterest && isPressed) {
startUpdating(v == mView, mHandler);
}
return false;
}
@Override public boolean dispatchKeyEvent(KeyEvent event)
{
if (event.getAction() == KeyEvent.ACTION_MULTIPLE)
return mUnityPlayer.injectEvent(event);
return super.dispatchKeyEvent(event);
}
private boolean commonKey(int keyCode, int count, KeyEvent event) {
if (mAdapter == null) {
return false;
}
if (mDataChanged) {
layoutChildren();
}
boolean handled = false;
int action = event.getAction();
if (action != KeyEvent.ACTION_UP) {
if (mSelectedPosition < 0) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_UP:
case KeyEvent.KEYCODE_DPAD_DOWN:
case KeyEvent.KEYCODE_DPAD_LEFT:
case KeyEvent.KEYCODE_DPAD_RIGHT:
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_SPACE:
case KeyEvent.KEYCODE_ENTER:
resurrectSelection();
return true;
}
}
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (!event.isAltPressed()) {
handled = mGridBuilder.arrowScroll(FOCUS_LEFT);
} else {
handled = fullScroll(FOCUS_UP);
}
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (!event.isAltPressed()) {
handled = mGridBuilder.arrowScroll(FOCUS_RIGHT);
} else {
handled = fullScroll(FOCUS_DOWN);
}
break;
case KeyEvent.KEYCODE_DPAD_UP:
if (!event.isAltPressed()) {
handled = mGridBuilder.arrowScroll(FOCUS_UP);
} else {
handled = fullScroll(FOCUS_UP);
}
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
if (!event.isAltPressed()) {
handled = mGridBuilder.arrowScroll(FOCUS_DOWN);
} else {
handled = fullScroll(FOCUS_DOWN);
}
break;
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER: {
if (getChildCount() > 0 && event.getRepeatCount() == 0) {
keyPressed();
}
return true;
}
case KeyEvent.KEYCODE_SPACE:
//if (mPopup == null || !mPopup.isShowing()) {
if (!event.isShiftPressed()) {
handled = pageScroll(FOCUS_DOWN);
} else {
handled = pageScroll(FOCUS_UP);
}
//}
break;
}
}
//if (!handled) {
// handled = sendToTextFilter(keyCode, count, event);
//}
if (handled) {
return true;
} else {
switch (action) {
case KeyEvent.ACTION_DOWN:
return super.onKeyDown(keyCode, event);
case KeyEvent.ACTION_UP:
return super.onKeyUp(keyCode, event);
case KeyEvent.ACTION_MULTIPLE:
return super.onKeyMultiple(keyCode, count, event);
default:
return false;
}
}
}
@Override
public boolean onKey(View v, final int keyCode, KeyEvent event) {
LOGI("VolumePanel", "onKey(" + keyCode + ")");
// Don't handle ANYTHING when a call is in progress!
if (mCallState != TelephonyManager.CALL_STATE_IDLE)
return super.onKey(v, keyCode, event);
switch (keyCode) {
// Handle the DOWN + MULTIPLE action (holding down).
case KeyEvent.KEYCODE_VOLUME_UP:
case KeyEvent.KEYCODE_VOLUME_DOWN:
final int adjust = ((keyCode == KeyEvent.KEYCODE_VOLUME_UP) ?
AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER);
switch (event.getAction()) {
case KeyEvent.ACTION_DOWN:
// If another key was pressed while holding on to
// one volume key, we'll need to abort mission.
if (mKeyCodeDown != 0) {
mIgnoreNextKeyUp = true;
mHandler.removeMessages(MSG_VOLUME_LONG_PRESS);
return super.onKey(v, keyCode, event);
}
mKeyCodeDown = event.getKeyCode();
mKeyTimeDown = System.currentTimeMillis();
event.startTracking();
// NOTE: we'll allow long press events if we've set an action.
boolean callIdle = (mCallState == TelephonyManager.CALL_STATE_IDLE);
if (!noLongPress || hasLongPressAction(keyCode)) {
mHandler.sendMessageDelayed(mHandler.obtainMessage(
MSG_VOLUME_LONG_PRESS, event), ((callIdle && hasLongPressAction(keyCode)) ?
mLongPressTimeout : mLongPressTimeout / 2));
}
break;
case KeyEvent.ACTION_UP:
case KeyEvent.ACTION_MULTIPLE:
boolean hasLongPress = mHandler.hasMessages(MSG_VOLUME_LONG_PRESS);
mHandler.removeMessages(MSG_VOLUME_LONG_PRESS);
boolean ignoreNextKeyUp = mIgnoreNextKeyUp;
mIgnoreNextKeyUp = false;
mKeyCodeDown = 0;
// We've been told to let this one go.
if (ignoreNextKeyUp || event.isCanceled()) {
mKeyTimeDown = 0;
return true;
}
if ((hasLongPress || noLongPress) && (System.currentTimeMillis() -
mKeyTimeDown) < mLongPressTimeout) {
mVolumeDirty = true;
mKeyTimeDown = 0;
if (!firstReveal || (firstReveal && isShowing())) {
adjustVolume(adjust);
show();
} else {
reveal();
}
}
break;
}
break;
case KeyEvent.KEYCODE_VOLUME_MUTE:
switch (event.getAction()) {
case KeyEvent.ACTION_UP:
boolean mute = isMuted(STREAM_RING);
mAudioManager.setStreamMute(STREAM_RING, !mute);
mAudioManager.setStreamMute(STREAM_NOTIFICATION, !mute);
mVolumeDirty = true;
show();
break;
}
break;
}
return super.onKey(v, keyCode, event);
}
@Override
public boolean onKey(View v, final int keyCode, KeyEvent event) {
LOGI("VolumePanel", "onKey(" + keyCode + ")");
// Don't handle ANYTHING when a call is in progress!
if (mCallState != TelephonyManager.CALL_STATE_IDLE)
return super.onKey(v, keyCode, event);
switch (keyCode) {
// Handle the DOWN + MULTIPLE action (holding down).
case KeyEvent.KEYCODE_VOLUME_UP:
case KeyEvent.KEYCODE_VOLUME_DOWN:
final int adjust = ((keyCode == KeyEvent.KEYCODE_VOLUME_UP) ?
AudioManager.ADJUST_RAISE : AudioManager.ADJUST_LOWER);
switch (event.getAction()) {
case KeyEvent.ACTION_DOWN:
// If another key was pressed while holding on to
// one volume key, we'll need to abort mission.
if (mKeyCodeDown != 0) {
mIgnoreNextKeyUp = true;
mHandler.removeMessages(MSG_VOLUME_LONG_PRESS);
return super.onKey(v, keyCode, event);
}
mKeyCodeDown = event.getKeyCode();
mKeyTimeDown = System.currentTimeMillis();
event.startTracking();
// NOTE: we'll allow long press events if we've set an action.
boolean callIdle = (mCallState == TelephonyManager.CALL_STATE_IDLE);
if (!noLongPress || hasLongPressAction(keyCode)) {
mHandler.sendMessageDelayed(mHandler.obtainMessage(
MSG_VOLUME_LONG_PRESS, event), ((callIdle && hasLongPressAction(keyCode)) ?
mLongPressTimeout : mLongPressTimeout / 2));
}
break;
case KeyEvent.ACTION_UP:
case KeyEvent.ACTION_MULTIPLE:
boolean hasLongPress = mHandler.hasMessages(MSG_VOLUME_LONG_PRESS);
mHandler.removeMessages(MSG_VOLUME_LONG_PRESS);
boolean ignoreNextKeyUp = mIgnoreNextKeyUp;
mIgnoreNextKeyUp = false;
mKeyCodeDown = 0;
// We've been told to let this one go.
if (ignoreNextKeyUp || event.isCanceled()) {
mKeyTimeDown = 0;
return true;
}
if ((hasLongPress || noLongPress) && (System.currentTimeMillis() -
mKeyTimeDown) < mLongPressTimeout) {
mVolumeDirty = true;
mKeyTimeDown = 0;
if (!firstReveal || (firstReveal && isShowing())) {
adjustVolume(adjust);
show();
} else {
reveal();
}
}
break;
}
break;
case KeyEvent.KEYCODE_VOLUME_MUTE:
switch (event.getAction()) {
case KeyEvent.ACTION_UP:
boolean mute = isMuted(STREAM_RING);
mAudioManager.setStreamMute(STREAM_RING, !mute);
mAudioManager.setStreamMute(STREAM_NOTIFICATION, !mute);
mVolumeDirty = true;
show();
break;
}
break;
}
return super.onKey(v, keyCode, event);
}