本文整理汇总了Java中android.view.KeyEvent.KEYCODE_UNKNOWN属性的典型用法代码示例。如果您正苦于以下问题:Java KeyEvent.KEYCODE_UNKNOWN属性的具体用法?Java KeyEvent.KEYCODE_UNKNOWN怎么用?Java KeyEvent.KEYCODE_UNKNOWN使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类android.view.KeyEvent
的用法示例。
在下文中一共展示了KeyEvent.KEYCODE_UNKNOWN属性的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: sendKeyEvent
public void sendKeyEvent(final KeyEvent keyEvent) {
if (DEBUG_BATCH_NESTING) checkBatchEdit();
if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
// This method is only called for enter or backspace when speaking to old applications
// (target SDK <= 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)), or for digits.
// When talking to new applications we never use this method because it's inherently
// racy and has unpredictable results, but for backward compatibility we continue
// sending the key events for only Enter and Backspace because some applications
// mistakenly catch them to do some stuff.
switch (keyEvent.getKeyCode()) {
case KeyEvent.KEYCODE_ENTER:
mCommittedTextBeforeComposingText.append("\n");
mExpectedSelStart += 1;
mExpectedSelEnd = mExpectedSelStart;
break;
case KeyEvent.KEYCODE_DEL:
if (0 == mComposingText.length()) {
if (mCommittedTextBeforeComposingText.length() > 0) {
mCommittedTextBeforeComposingText.delete(
mCommittedTextBeforeComposingText.length() - 1,
mCommittedTextBeforeComposingText.length());
}
} else {
mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
}
if (mExpectedSelStart > 0 && mExpectedSelStart == mExpectedSelEnd) {
// TODO: Handle surrogate pairs.
mExpectedSelStart -= 1;
}
mExpectedSelEnd = mExpectedSelStart;
break;
case KeyEvent.KEYCODE_UNKNOWN:
if (null != keyEvent.getCharacters()) {
mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
mExpectedSelStart += keyEvent.getCharacters().length();
mExpectedSelEnd = mExpectedSelStart;
}
break;
default:
final String text = StringUtils.newSingleCodePointString(keyEvent.getUnicodeChar());
mCommittedTextBeforeComposingText.append(text);
mExpectedSelStart += text.length();
mExpectedSelEnd = mExpectedSelStart;
break;
}
}
if (isConnected()) {
mIC.sendKeyEvent(keyEvent);
}
}
示例2: createIntent
/**
* Constructs an intent from the given information and the search dialog state.
*
* @param action Intent action.
* @param data Intent data, or <code>null</code>.
* @param extraData Data for {@link SearchManager#EXTRA_DATA_KEY} or <code>null</code>.
* @param query Intent query, or <code>null</code>.
* @param actionKey The key code of the action key that was pressed,
* or {@link KeyEvent#KEYCODE_UNKNOWN} if none.
* @param actionMsg The message for the action key that was pressed,
* or <code>null</code> if none.
* @return The intent.
*/
private Intent createIntent(String action, Uri data, String extraData, String query,
int actionKey, String actionMsg) {
// Now build the Intent
Intent intent = new Intent(action);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// We need CLEAR_TOP to avoid reusing an old task that has other activities
// on top of the one we want. We don't want to do this in in-app search though,
// as it can be destructive to the activity stack.
if (data != null) {
intent.setData(data);
}
intent.putExtra(SearchManager.USER_QUERY, mUserQuery);
if (query != null) {
intent.putExtra(SearchManager.QUERY, query);
}
if (extraData != null) {
intent.putExtra(SearchManager.EXTRA_DATA_KEY, extraData);
}
if (mAppSearchData != null) {
intent.putExtra(SearchManager.APP_DATA, mAppSearchData);
}
if (actionKey != KeyEvent.KEYCODE_UNKNOWN) {
intent.putExtra(SearchManager.ACTION_KEY, actionKey);
intent.putExtra(SearchManager.ACTION_MSG, actionMsg);
}
intent.setComponent(mSearchable.getSearchActivity());
return intent;
}
示例3: onKey
@Override
public boolean onKey(View view, int keyCode, KeyEvent keyEvent) {
int action = keyEvent.getAction();
// Work-around for spurious key event from IME, bug #1639445
if(action == KeyEvent.ACTION_MULTIPLE && keyCode == KeyEvent.KEYCODE_UNKNOWN) {
return true; // eat it
}
if(keyEvent.getUnicodeChar() == '=') {
if(action == KeyEvent.ACTION_UP) {
mHandler.onEnter();
}
return true;
}
if(keyCode != KeyEvent.KEYCODE_DPAD_CENTER && keyCode != KeyEvent.KEYCODE_DPAD_UP && keyCode != KeyEvent.KEYCODE_DPAD_DOWN
&& keyCode != KeyEvent.KEYCODE_ENTER) {
if(keyEvent.isPrintingKey() && action == KeyEvent.ACTION_UP) {
// Tell the handler that text was updated.
mHandler.onTextChanged();
}
return false;
}
/*
* We should act on KeyEvent.ACTION_DOWN, but strangely sometimes the
* DOWN event isn't received, only the UP. So the workaround is to act
* on UP... http://b/issue?id=1022478
*/
if(action == KeyEvent.ACTION_UP) {
switch(keyCode) {
case KeyEvent.KEYCODE_ENTER:
case KeyEvent.KEYCODE_DPAD_CENTER:
mHandler.onEnter();
break;
case KeyEvent.KEYCODE_DPAD_UP:
mHandler.onUp();
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
mHandler.onDown();
break;
}
}
return true;
}
示例4: onKeyDown
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (LOG_KEY_EVENTS)
Log.i(EmulatorDebug.LOG_TAG, "onKeyDown(keyCode=" + keyCode + ", isSystem()=" + event.isSystem() + ", event=" + event + ")");
if (mEmulator == null) return true;
if (mClient.onKeyDown(keyCode, event, mTermSession)) {
invalidate();
return true;
} else if (event.isSystem() && (!mClient.shouldBackButtonBeMappedToEscape() || keyCode != KeyEvent.KEYCODE_BACK)) {
return super.onKeyDown(keyCode, event);
} else if (event.getAction() == KeyEvent.ACTION_MULTIPLE && keyCode == KeyEvent.KEYCODE_UNKNOWN) {
mTermSession.write(event.getCharacters());
return true;
}
final int metaState = event.getMetaState();
final boolean controlDownFromEvent = event.isCtrlPressed();
final boolean leftAltDownFromEvent = (metaState & KeyEvent.META_ALT_LEFT_ON) != 0;
final boolean rightAltDownFromEvent = (metaState & KeyEvent.META_ALT_RIGHT_ON) != 0;
int keyMod = 0;
if (controlDownFromEvent) keyMod |= KeyHandler.KEYMOD_CTRL;
if (event.isAltPressed()) keyMod |= KeyHandler.KEYMOD_ALT;
if (event.isShiftPressed()) keyMod |= KeyHandler.KEYMOD_SHIFT;
if (handleKeyCode(keyCode, keyMod)) {
if (LOG_KEY_EVENTS) Log.i(EmulatorDebug.LOG_TAG, "handleKeyCode() took key event");
return true;
}
// Clear Ctrl since we handle that ourselves:
int bitsToClear = KeyEvent.META_CTRL_MASK;
if (rightAltDownFromEvent) {
// Let right Alt/Alt Gr be used to compose characters.
} else {
// Use left alt to send to terminal (e.g. Left Alt+B to jump back a word), so remove:
bitsToClear |= KeyEvent.META_ALT_ON | KeyEvent.META_ALT_LEFT_ON;
}
int effectiveMetaState = event.getMetaState() & ~bitsToClear;
int result = event.getUnicodeChar(effectiveMetaState);
if (LOG_KEY_EVENTS)
Log.i(EmulatorDebug.LOG_TAG, "KeyEvent#getUnicodeChar(" + effectiveMetaState + ") returned: " + result);
if (result == 0) {
return true;
}
int oldCombiningAccent = mCombiningAccent;
if ((result & KeyCharacterMap.COMBINING_ACCENT) != 0) {
// If entered combining accent previously, write it out:
if (mCombiningAccent != 0)
inputCodePoint(mCombiningAccent, controlDownFromEvent, leftAltDownFromEvent);
mCombiningAccent = result & KeyCharacterMap.COMBINING_ACCENT_MASK;
} else {
if (mCombiningAccent != 0) {
int combinedChar = KeyCharacterMap.getDeadChar(mCombiningAccent, result);
if (combinedChar > 0) result = combinedChar;
mCombiningAccent = 0;
}
inputCodePoint(result, controlDownFromEvent, leftAltDownFromEvent);
}
if (mCombiningAccent != oldCombiningAccent) invalidate();
if (onAutoCompleteListener != null) {
if (event.isPrintingKey()) {
char printingChar = (char) event.getUnicodeChar(metaState);
if (printingChar != '\b') {
// ASCII chars
onAutoCompleteListener.onCompletionRequired(new String(new char[]{printingChar}));
}
}
}
return true;
}