Java MotionEvent.ACTION_UP属性代码示例

@Override
public void onInputEvent(Event e, MotionEvent motionEvent) {
    int action = motionEvent.getAction();
    if (action == MotionEvent.ACTION_DOWN) {
        downX = motionEvent.getX() - mMap.getWidth() / 2;
        downY = motionEvent.getY() - mMap.getHeight() / 2;
    }
    if (mActiveMarker == null)
        return;
    if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
        // Update corresponding waypoint
        Waypoint waypoint = (Waypoint) mActiveMarker.getUid();
        waypoint.setCoordinates(mActiveMarker.getPoint());
        onWaypointSave(waypoint);
        mActiveMarker = null;
        // Unshift map to its original position
        mMap.animator().animateTo(MAP_POSITION_ANIMATION_DURATION / 2, mMap.viewport().fromScreenPoint(mMap.getWidth() / 2, mMap.getHeight() / 2 - mFingerTipSize), 1, true);
        mMap.getEventLayer().enableMove(true);
    } else if (action == MotionEvent.ACTION_MOVE) {
        float eventX = motionEvent.getX() - deltaX;
        float eventY = motionEvent.getY() - deltaY - 3 * mFingerTipSize;
        mActiveMarker.setPoint(mMap.viewport().fromScreenPoint(eventX, eventY));
        mMarkerLayer.updateItems();
        mMap.updateMap(true);
    }
}
 

@Override
public void onInputEvent(Event event, MotionEvent motionEvent) {
    if ((motionEvent.getAction() == MotionEvent.ACTION_CANCEL || motionEvent.getAction() == MotionEvent.ACTION_UP) && currentlyDraggedItem != null) {
        currentlyDraggedItem.onDragStop();
        currentlyDraggedItem = null;
    }
    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
        dragLastX = motionEvent.getX();
        dragLastY = motionEvent.getY();
    }
    if (motionEvent.getAction() == MotionEvent.ACTION_MOVE && currentlyDraggedItem != null) {
        Point out = new Point();
        mapView.map().viewport().toScreenPoint(GmsMapsTypeHelper.fromLatLng(currentlyDraggedItem.getPosition()), out);
        out.x += mapView.getWidth() / 2;
        out.y += mapView.getHeight() / 2;
        float mx = motionEvent.getX() - dragLastX;
        float my = motionEvent.getY() - dragLastY;
        currentlyDraggedItem.setPosition(GmsMapsTypeHelper.toLatLng(mapView.map().viewport().fromScreenPoint((float) out.getX() + mx, (float) out.getY() + my)));
        currentlyDraggedItem.onDragProgress();
        dragLastX += mx;
        dragLastY += my;
    }
}
 

@Override
public boolean touchUp(int screenX, int screenY, int pointer, int button) {
	if (pointer >= 10)
		return true;

	if (button != Buttons.LEFT)
		return false;

	if (mPointerDown == 0)
		return true;

	mTime = Gdx.input.getCurrentEventTime();
	mType = (--mPointerDown == 0) ?
	        MotionEvent.ACTION_UP :
	        MotionEvent.ACTION_POINTER_UP;

	mPointerX[pointer] = mCurX = screenX;
	mPointerY[pointer] = mCurY = screenY;
	mPointer = pointer;

	//GdxMap.log.debug("up  " + screenX + ":" + screenY
	//        + " / " + pointer + " " + mPointerDown
	//        + "  " + (getTime() - mDownTime));

	mMap.input.fire(null, this);
	return true;
}
 

public boolean onTouchEvent(MotionEvent e) {

		int action = getAction(e);

		if (action == MotionEvent.ACTION_DOWN) {
			mMap.animator().cancel();

			mStartMove = -1;
			mDoubleTap = false;
			mDragZoom = false;

			mPrevX1 = e.getX(0);
			mPrevY1 = e.getY(0);

			mDown = true;
			return true;
		}
		if (!(mDown || mDoubleTap)) {
			/* no down event received */
			return false;
		}

		if (action == MotionEvent.ACTION_MOVE) {
			onActionMove(e);
			return true;
		}
		if (action == MotionEvent.ACTION_UP) {
			mDown = false;
			if (mDoubleTap && !mDragZoom) {
				float pivotX = 0, pivotY = 0;
				if (!mFixOnCenter) {
					pivotX = mPrevX1 - mMap.getWidth() / 2;
					pivotY = mPrevY1 - mMap.getHeight() / 2;
				}

				/* handle double tap zoom */
				mMap.animator().animateZoom(300, 2, pivotX, pivotY);

			} else if (mStartMove > 0) {
				/* handle fling gesture */
				mTracker.update(e.getX(), e.getY(), e.getTime());
				float vx = mTracker.getVelocityX();
				float vy = mTracker.getVelocityY();

				/* reduce velocity for short moves */
				float t = e.getTime() - mStartMove;
				if (t < FLING_MIN_THREHSHOLD) {
					t = t / FLING_MIN_THREHSHOLD;
					vy *= t * t;
					vx *= t * t;
				}
				doFling(vx, vy);
			}
			return true;
		}
		if (action == MotionEvent.ACTION_CANCEL) {
			return false;
		}
		if (action == MotionEvent.ACTION_POINTER_DOWN) {
			mStartMove = -1;
			updateMulti(e);
			return true;
		}
		if (action == MotionEvent.ACTION_POINTER_UP) {
			updateMulti(e);
			return true;
		}

		return false;
	}
 

@Override
public void onInputEvent(Event event, MotionEvent e) {

	int action = e.getAction() & MotionEvent.ACTION_MASK;

	if ((action == MotionEvent.ACTION_CANCEL)) {
		cancel();
		return;
	}

	if (mLongpressTimer != null) {
		// any pointer up while long press detection
		// cancels timer
		if (action == MotionEvent.ACTION_POINTER_UP
		        || action == MotionEvent.ACTION_UP) {

			cancel();
			return;
		}

		// two fingers must still be down, tested
		// one above.
		if (action == MotionEvent.ACTION_MOVE) {
			// update pointer positions
			// int idx1 = e.findPointerIndex(mPointer1);
			// int idx2 = e.findPointerIndex(mPointer2);

			mCurX1 = e.getX(0);
			mCurY1 = e.getY(0);
			mCurX2 = e.getX(1);
			mCurY2 = e.getY(1);

			// cancel if moved one finger more than 50 pixel
			float maxSq = 10 * 10;
			float d = (mCurX1 - mPrevX1) * (mCurX1 - mPrevX1)
			        + (mCurY1 - mPrevY1) * (mCurY1 - mPrevY1);
			if (d > maxSq) {
				cancel();
				return;
			}
			d = (mCurX2 - mPrevX2) * (mCurX2 - mPrevX2)
			        + (mCurY2 - mPrevY2) * (mCurY2 - mPrevY2);
			if (d > maxSq) {
				cancel();
				return;
			}
		}
	}

	if ((action == MotionEvent.ACTION_POINTER_DOWN)
	        && (e.getPointerCount() == 2)) {
		// App.log.debug("down");

		// keep track of pointer ids, only
		// use these for gesture, ignoring
		// more than two pointer

		// mPointer1 = e.getPointerId(0);
		// mPointer2 = e.getPointerId(1);

		if (mLongpressTimer == null) {
			// start timer, keep initial down position
			mCurX1 = mPrevX1 = e.getX(0);
			mCurY1 = mPrevY1 = e.getY(0);
			mCurX2 = mPrevX2 = e.getX(1);
			mCurY2 = mPrevY2 = e.getY(1);
			runLongpressTimer();
		}
	}
}