protected boolean touchEvent(TouchEvent te) {
System.out.println("touchEvent type " + Integer.toString(te.getEvent()));
if (te.getEvent() == TouchEvent.CANCEL) return true;
int x = te.getX(1);
int y = te.getY(1);
if (x < 0 || x > this.getWidth() || y < 0 || y > this.getHeight()) {
Logger.log(
"touchedEvent type "
+ Integer.toString(te.getEvent())
+ " x="
+ Integer.toString(x)
+ " y="
+ Integer.toString(x)
+ " outside "
+ Integer.toString(getWidth())
+ "x"
+ Integer.toString(getHeight()));
return super.touchEvent(te);
}
switch (te.getEvent()) {
case TouchEvent.DOWN:
touchDownEvent(x, y);
break;
case TouchEvent.UP:
touchUpEvent(x, y);
break;
case TouchEvent.MOVE:
touchMovedEvent(x, y);
break;
default:
return super.touchEvent(te);
}
return true;
}
protected boolean touchEvent(TouchEvent message) {
boolean isConsumed = false;
boolean isOutOfBounds = false;
int x = message.getX(1);
int y = message.getY(1);
// Check to ensure point is within this field
if (x < 0 || y < 0 || x > getExtent().width || y > getExtent().height) {
isOutOfBounds = true;
}
switch (message.getEvent()) {
case TouchEvent.CLICK:
case TouchEvent.MOVE:
if (isOutOfBounds) return true; // consume
_selected = true; // Pressed effect
// update state
int stateWidth = getExtent().width / _numStates;
int numerator = x / stateWidth;
int denominator = x % stateWidth;
if (denominator > stateWidth / 2) {
numerator++;
}
_currentState = numerator;
invalidate();
isConsumed = true;
break;
case TouchEvent.UNCLICK:
if (isOutOfBounds) {
_selected = false; // Reset presssed effect
return true;
}
// A field change notification is only sent on UNCLICK to allow for recovery
// should the user cancel, i.e. click and move off the button
_selected = false; // Reset pressed effect
// Update state
stateWidth = getExtent().width / _numStates;
numerator = x / stateWidth;
denominator = x % stateWidth;
if (denominator > stateWidth / 2) {
numerator++;
}
_currentState = numerator;
invalidate();
fieldChangeNotify(0);
isConsumed = true;
break;
}
return isConsumed;
}
/** 多点 */
public synchronized void multiTouch(List<TouchEvent> events) {
if (preTouch) {
touchUp(mTouchX, mTouchY);
} else {
performMultiPointerUp();
}
Log.d(TAG, "touchUp: " + mTouchX + "," + mTouchY);
if (events.isEmpty()) {
return;
}
List<PointerCoords[]> coordsList = new ArrayList<PointerCoords[]>();
for (TouchEvent event : events) {
switch (event.getAction()) {
case TouchEvent.ACTION_DOWN:
PointerCoords[] pointers = new PointerCoords[1];
pointers[0] = createPoint(event.getX(), event.getY());
coordsList.add(pointers);
break;
case TouchEvent.ACTION_UP:
break;
case TouchEvent.ACTION_SWIPE:
break;
}
}
PointerCoords[][] pointers = coordsList.toArray(new PointerCoords[1][2]);
Log.d(TAG, "Size: " + coordsList.size());
if (coordsList.size() > 1) {
performMultiPointers(pointers);
performMultiPointerDown();
preTouch = false;
} else if (coordsList.size() == 1) {
if (coordsList.get(0) != null && coordsList.get(0).length > 0) {
mTouchX = (int) pointers[0][0].x;
mTouchY = (int) pointers[0][0].y;
touchDown(mTouchX, mTouchY, 0);
preTouch = true;
Log.d(TAG, "touchDown: " + mTouchX + "," + mTouchY);
}
} else {
Log.d(TAG, "tap: ");
}
}