android.view.MotionEvent#getX ( )源码实例Demo

下面列出了android.view.MotionEvent#getX ( ) 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。

源代码1 项目： CatVision-io-SDK-Android 文件： TestAreaActivity.java

@Override
public boolean onTouchEvent(MotionEvent event) {
	int x = (int) event.getX() - getRelativeLeft((View)clickMark.getParent()) - (clickMark.getWidth() / 2);
	int y = (int) event.getY() - getRelativeTop((View)clickMark.getParent()) - (clickMark.getHeight() / 2);

	switch (event.getAction()) {
		case MotionEvent.ACTION_DOWN:
			clickMark.setX(x);
			clickMark.setY(y);
			break;

		case MotionEvent.ACTION_MOVE:
			clickMark.setX(x);
			clickMark.setY(y);
			break;

		case MotionEvent.ACTION_UP:
			break;
	}

	return true;
}

源代码2 项目： SwipeAdapterView 文件： SwipeAdapterView.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    boolean b = viewDragHelper.shouldInterceptTouchEvent(ev);
    if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
        viewDragHelper.processTouchEvent(ev);
    }
    float dx = 0, dy = 0;
    if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
        x = ev.getX();
        y = ev.getY();
    } else if (ev.getActionMasked() == MotionEvent.ACTION_MOVE) {
        dx = Math.abs(ev.getX() - x);
        dy = Math.abs(ev.getY() - y);
        x = ev.getX();
        y = ev.getY();
    } else if (ev.getActionMasked() == MotionEvent.ACTION_UP) {
        x = 0;
        y = 0;
    }
    boolean scroll = dx > 4 || dy > 4;
    //Log.i("tag", String.format("onScroll: %s %s %s", scroll, dx, dy));
    return b && isNeedSwipe && scroll;
}

源代码3 项目： commcare-android 文件： GestureDetector.java

public GestureDirection.UserGesture getGesture(MotionEvent motionEvent) {
    final float x = motionEvent.getX();
    final float y = motionEvent.getY();
    switch (motionEvent.getAction()) {
        case MotionEvent.ACTION_DOWN:
            mDirectionPoint = new GestureDirection(x, y);
            break;
        case MotionEvent.ACTION_MOVE:
            mDirectionPoint.updateEndPoint(x, y);
            break;
        case MotionEvent.ACTION_UP:
            if (mDirectionPoint != null) {
                return mDirectionPoint.getDirection();
            }
            break;
        case MotionEvent.ACTION_CANCEL:
            mDirectionPoint = null;
            break;
    }
    return GestureDirection.UserGesture.SWIPE_UNKNOWN;
}

源代码4 项目： citra_android 文件： InputOverlayDrawableDpad.java

public boolean onConfigureTouch(MotionEvent event)
{
  int pointerIndex = event.getActionIndex();
  int fingerPositionX = (int) event.getX(pointerIndex);
  int fingerPositionY = (int) event.getY(pointerIndex);
  switch (event.getAction())
  {
    case MotionEvent.ACTION_DOWN:
      mPreviousTouchX = fingerPositionX;
      mPreviousTouchY = fingerPositionY;
      break;
    case MotionEvent.ACTION_MOVE:
      mControlPositionX += fingerPositionX - mPreviousTouchX;
      mControlPositionY += fingerPositionY - mPreviousTouchY;
      setBounds(mControlPositionX, mControlPositionY, getWidth() + mControlPositionX,
              getHeight() + mControlPositionY);
      mPreviousTouchX = fingerPositionX;
      mPreviousTouchY = fingerPositionY;
      break;

  }
  return true;
}

源代码5 项目： GithubApp 文件： AppIntroViewPager.java

private boolean checkPagingState(MotionEvent event) {
    if (!pagingEnabled) {
        return true;
    }

    if (!nextPagingEnabled) {
        if (event.getAction() == MotionEvent.ACTION_DOWN) {
            currentTouchDownX = event.getX();
        }
        if (event.getAction() == MotionEvent.ACTION_MOVE) {
            if (detectSwipeToRight(event)) {
                return true;
            }
        }
    }

    return false;
}

源代码6 项目： easydeviceinfo 文件： EasyDisplayMod.java

/**
 * Get display xy coordinates int [ ].
 *
 * @param event
 *     the event
 *
 * @return the int [ ]
 */
public final int[] getDisplayXYCoordinates(final MotionEvent event) {
  int[] coordinates = new int[2];
  coordinates[0] = 0;
  coordinates[1] = 0;
  if (event.getAction() == MotionEvent.ACTION_DOWN) {
    coordinates[0] = (int) event.getX();     // X Coordinates
    coordinates[1] = (int) event.getY();     // Y Coordinates
  }
  return coordinates;
}

源代码7 项目： TelePlus-Android 文件： ItemTouchHelper.java

@Override
public void onLongPress(MotionEvent e) {
    if (!mShouldReactToLongPress) {
        return;
    }
    View child = findChildView(e);
    if (child != null) {
        ViewHolder vh = mRecyclerView.getChildViewHolder(child);
        if (vh != null) {
            if (!mCallback.hasDragFlag(mRecyclerView, vh)) {
                return;
            }
            int pointerId = e.getPointerId(0);
            // Long press is deferred.
            // Check w/ active pointer id to avoid selecting after motion
            // event is canceled.
            if (pointerId == mActivePointerId) {
                final int index = e.findPointerIndex(mActivePointerId);
                final float x = e.getX(index);
                final float y = e.getY(index);
                mInitialTouchX = x;
                mInitialTouchY = y;
                mDx = mDy = 0f;
                if (DEBUG) {
                    Log.d(TAG,
                            "onlong press: x:" + mInitialTouchX + ",y:" + mInitialTouchY);
                }
                if (mCallback.isLongPressDragEnabled()) {
                    select(vh, ACTION_STATE_DRAG);
                }
            }
        }
    }
}

源代码8 项目： Common 文件： ToggleButton.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!(mFactor == 0 || mFactor == 1)) {
        return false;
    }
    float eX = event.getX();
    float eY = event.getY();
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            mDX = eX;
            mDY = eY;
            mIsClickValid = true;
        case MotionEvent.ACTION_MOVE:
            if (mIsClickValid && (Math.abs(eX - mDX) > mTouchSlop || Math.abs(eY - mDY) > mTouchSlop)) {
                mIsClickValid = false;
            }
            return mIsClickValid;
        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            if (!mIsClickValid || eX < 0 || eX > mWidth || eY < 0 || eY > mHeight) {
                return false;
            }
            toggle();
            return true;
    }
    return super.onTouchEvent(event);
}

源代码9 项目： CameraV 文件： PZSImageView.java

/** Determine the space between the first two fingers */
private float spacing(MotionEvent event) {
	// ...
	double x = event.getX(0) - event.getX(1);
	double y = event.getY(0) - event.getY(1);
	return (float)Math.sqrt(x * x + y * y);

}

源代码10 项目： AndroidReview 文件： RangeSliderViewEx.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    float y = event.getY();
    float x = event.getX();
    final int action = event.getActionMasked();
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            gotSlot = isInSelectedSlot(x, y);
            downX = x;
            downY = y;
            break;

        case MotionEvent.ACTION_MOVE:
            if (gotSlot) {
                if (x >= slotPositions[0] && x <= slotPositions[rangeCount - 1]) {
                    currentSlidingX = x;
                    currentSlidingY = y;
                    invalidate();
                }
            }
            break;

        case MotionEvent.ACTION_UP:
            if (gotSlot) {
                gotSlot = false;
                currentSlidingX = x;
                currentSlidingY = y;
                updateCurrentIndex();
            }
            break;
    }
    return true;
}

源代码11 项目： AndroidChromium 文件： OverlayPanelEventFilter.java

/**
 * @param e1 The first down {@link MotionEvent} that started the scrolling.
 * @param e2 The move {@link MotionEvent} that triggered the current scroll.
 * @return Whether the distance is greater than the touch slop threshold.
 */
private boolean isDistanceGreaterThanTouchSlop(MotionEvent e1, MotionEvent e2) {
    float deltaX = e2.getX() - e1.getX();
    float deltaY = e2.getY() - e1.getY();
    // Check if the distance between the events |e1| and |e2| is greater than the touch slop.
    return isDistanceGreaterThanTouchSlop(deltaX, deltaY);
}

源代码12 项目： UltimateAndroid 文件： ResideMenu.java

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
    float currentActivityScaleX = ViewHelper.getScaleX(viewActivity);
    if (currentActivityScaleX == 1.0f)
        setScaleDirectionByRawX(ev.getRawX());

    switch (ev.getAction()){
        case MotionEvent.ACTION_DOWN:
            lastActionDownX = ev.getX();
            lastActionDownY = ev.getY();
            isInIgnoredView = isInIgnoredView(ev) && !isOpened();
            pressedState    = PRESSED_DOWN;
            break;

        case MotionEvent.ACTION_MOVE:
            if (isInIgnoredView || isInDisableDirection(scaleDirection))
                break;

            if(pressedState != PRESSED_DOWN &&
                    pressedState != PRESSED_MOVE_HORIZANTAL)
                break;

            int xOffset = (int) (ev.getX() - lastActionDownX);
            int yOffset = (int) (ev.getY() - lastActionDownY);

            if(pressedState == PRESSED_DOWN) {
                if(yOffset > 25 || yOffset < -25) {
                    pressedState = PRESSED_MOVE_VERTICAL;
                    break;
                }
                if(xOffset < -50 || xOffset > 50) {
                    pressedState = PRESSED_MOVE_HORIZANTAL;
                    ev.setAction(MotionEvent.ACTION_CANCEL);
                }
            } else if(pressedState == PRESSED_MOVE_HORIZANTAL) {
                if (currentActivityScaleX < 0.95)
                    showScrollViewMenu();

                float targetScale = getTargetScale(ev.getRawX());
                ViewHelper.setScaleX(viewActivity, targetScale);
                ViewHelper.setScaleY(viewActivity, targetScale);
                ViewHelper.setScaleX(imageViewShadow, targetScale + shadowAdjustScaleX);
                ViewHelper.setScaleY(imageViewShadow, targetScale + shadowAdjustScaleY);
                ViewHelper.setAlpha(scrollViewMenu, (1 - targetScale) * 2.0f);

                lastRawX = ev.getRawX();
                return true;
            }

            break;

        case MotionEvent.ACTION_UP:

            if (isInIgnoredView) break;
            if (pressedState != PRESSED_MOVE_HORIZANTAL) break;

            pressedState = PRESSED_DONE;
            if (isOpened()){
                if (currentActivityScaleX > 0.56f)
                    closeMenu();
                else
                    openMenu(scaleDirection);
            }else{
                if (currentActivityScaleX < 0.94f){
                    openMenu(scaleDirection);
                }else{
                    closeMenu();
                }
            }

            break;

    }
    lastRawX = ev.getRawX();
    return super.dispatchTouchEvent(ev);
}

源代码13 项目： CursorWheelLayout 文件： CursorWheelLayout.java

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
    float x = event.getX();
    float y = event.getY();

    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            if (!isEventInWheel(x, y)) {
                return false;
            }
            mLastX = x;
            mLastY = y;
            mDownTime = System.currentTimeMillis();
            mTmpAngle = 0;
            mIsDraging = false;
            if (mIsFling) {
                removeCallbacks(mFlingRunnable);
                mIsFling = false;
                return true;
            }
            break;
        case MotionEvent.ACTION_MOVE:
            /**
             * 获得开始的角度
             */
            final float start = getAngle(mLastX, mLastY);
            /**
             * 获得当前的角度
             */
            final float end = getAngle(x, y);

            // 如果是一、四象限，则直接(end-start)代表角度改变值（正是上移动负是下拉）
            if (getQuadrant(x, y) == 1 || getQuadrant(x, y) == 4) {
                mStartAngle += end - start;
                mTmpAngle += end - start;
            } else
            // 二、三象限，(start - end)代表角度改变值
            {
                mStartAngle += start - end;
                mTmpAngle += start - end;
            }
            mIsDraging = true;
            // 重新布局
            requestLayout();

            mLastX = x;
            mLastY = y;

            break;
        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            // 计算，每秒移动的角度
            float anglePerSecond = mTmpAngle * 1000
                    / (System.currentTimeMillis() - mDownTime);
            // 如果达到该值认为是快速移动
            if (Math.abs(anglePerSecond) > mFlingableValue && !mIsFling) {
                mFlingRunnable.startUsingVelocity(anglePerSecond);
                return true;
            }
            mIsFling = false;
            mIsDraging = false;
            mFlingRunnable.stop(false);
            scrollIntoSlots();
            // 如果当前旋转角度超过NOCLICK_VALUE屏蔽点击
            if (Math.abs(mTmpAngle) > NOCLICK_VALUE) {
                return true;
            }

            break;
    }
    return super.dispatchTouchEvent(event);
}

源代码14 项目： AnchorImageView 文件： AnchorImageView.java

protected void disposeEvent(MotionEvent e) {
    if (anchors == null || anchors.size() == 0) {
        Toast.makeText(getContext(), "No Anchor", Toast.LENGTH_LONG).show();
    } else {
        float x = e.getX();
        float y = e.getY();
        if (anchors != null) {
            for (Integer key : anchors.keySet()) {
                Anchor anchor = anchors.get(key);
                if (new RectF(widthRatio * (float) anchor.left, heightRatio * (float) anchor.top,
                        widthRatio * (float) anchor.right, heightRatio * (float) anchor.bottom).contains(x, y)) {
                    // [email protected]@=========
                    this.anchor = anchor;

                    //clean WarnAnchor
                    if (isWarnAnchor) {
                        isWarnAnchor = false;
                        postInvalidate();
                    }
                    //on listener
                    if (onAnchorClickListener != null)
                        onAnchorClickListener.onAnchorClick(anchor, anchor.id, widthRatio, heightRatio);

                    return;
                }
            }
            // [email protected]@=========

            //current click show -> return
            /*if (rectClickAnchor != null && !rectClickAnchor.isEmpty())
                return;*/

            //mark WarnAnchor
            if (isWarnAnchor)
                return;
            isWarnAnchor = true;

            postInvalidate();
        }
    }
}

源代码15 项目： delion 文件： SnackbarView.java

private boolean isInBounds(MotionEvent ev, View view) {
    return ev.getX() > view.getX() && ev.getX() - view.getX() < view.getWidth()
            && ev.getY() > view.getY() && ev.getY() - view.getY() < view.getHeight();
}

源代码16 项目： android_9.0.0_r45 文件： AbsSeekBar.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!mIsUserSeekable || !isEnabled()) {
        return false;
    }

    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            if (isInScrollingContainer()) {
                mTouchDownX = event.getX();
            } else {
                startDrag(event);
            }
            break;

        case MotionEvent.ACTION_MOVE:
            if (mIsDragging) {
                trackTouchEvent(event);
            } else {
                final float x = event.getX();
                if (Math.abs(x - mTouchDownX) > mScaledTouchSlop) {
                    startDrag(event);
                }
            }
            break;

        case MotionEvent.ACTION_UP:
            if (mIsDragging) {
                trackTouchEvent(event);
                onStopTrackingTouch();
                setPressed(false);
            } else {
                // Touch up when we never crossed the touch slop threshold should
                // be interpreted as a tap-seek to that location.
                onStartTrackingTouch();
                trackTouchEvent(event);
                onStopTrackingTouch();
            }
            // ProgressBar doesn't know to repaint the thumb drawable
            // in its inactive state when the touch stops (because the
            // value has not apparently changed)
            invalidate();
            break;

        case MotionEvent.ACTION_CANCEL:
            if (mIsDragging) {
                onStopTrackingTouch();
                setPressed(false);
            }
            invalidate(); // see above explanation
            break;
    }
    return true;
}

源代码17 项目： HoloColorPicker 文件： SVBar.java

@Override
public boolean onTouchEvent(MotionEvent event) {
	getParent().requestDisallowInterceptTouchEvent(true);

	// Convert coordinates to our internal coordinate system
	float dimen;
	if (mOrientation == ORIENTATION_HORIZONTAL) {
		dimen = event.getX();
	}
	else {
		dimen = event.getY();
	}

	switch (event.getAction()) {
	case MotionEvent.ACTION_DOWN:
	    	mIsMovingPointer = true;
		// Check whether the user pressed on the pointer
		if (dimen >= (mBarPointerHaloRadius)
				&& dimen <= (mBarPointerHaloRadius + mBarLength)) {
			mBarPointerPosition = Math.round(dimen);
			calculateColor(Math.round(dimen));
			mBarPointerPaint.setColor(mColor);
			invalidate();
		}
		break;
	case MotionEvent.ACTION_MOVE:
		if (mIsMovingPointer) {
			// Move the the pointer on the bar.
			if (dimen >= mBarPointerHaloRadius
					&& dimen <= (mBarPointerHaloRadius + mBarLength)) {
				mBarPointerPosition = Math.round(dimen);
				calculateColor(Math.round(dimen));
				mBarPointerPaint.setColor(mColor);
				if (mPicker != null) {
					mPicker.setNewCenterColor(mColor);
					mPicker.changeOpacityBarColor(mColor);
				}
				invalidate();
			} else if (dimen < mBarPointerHaloRadius) {
				mBarPointerPosition = mBarPointerHaloRadius;
				mColor = Color.WHITE;
				mBarPointerPaint.setColor(mColor);
				if (mPicker != null) {
					mPicker.setNewCenterColor(mColor);
					mPicker.changeOpacityBarColor(mColor);
				}
				invalidate();
			} else if (dimen > (mBarPointerHaloRadius + mBarLength)) {
				mBarPointerPosition = mBarPointerHaloRadius + mBarLength;
				mColor = Color.BLACK;
				mBarPointerPaint.setColor(mColor);
				if (mPicker != null) {
					mPicker.setNewCenterColor(mColor);
					mPicker.changeOpacityBarColor(mColor);
				}
				invalidate();
			}
		}
		break;
	case MotionEvent.ACTION_UP:
		mIsMovingPointer = false;
		break;
	}
	return true;
}

源代码18 项目： SwipableLayout 文件： TouchImageView.java

@Override
public boolean onTouch(View v, MotionEvent event) {
    mScaleDetector.onTouchEvent(event);
    mGestureDetector.onTouchEvent(event);
    PointF curr = new PointF(event.getX(), event.getY());

    if (state == State.NONE || state == State.DRAG || state == State.FLING) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                last.set(curr);
                if (fling != null)
                    fling.cancelFling();
                setState(State.DRAG);
                break;

            case MotionEvent.ACTION_MOVE:
                if (state == State.DRAG) {
                    float deltaX = curr.x - last.x;
                    float deltaY = curr.y - last.y;
                    float fixTransX = getFixDragTrans(deltaX, viewWidth, getImageWidth());
                    float fixTransY = getFixDragTrans(deltaY, viewHeight, getImageHeight());
                    matrix.postTranslate(fixTransX, fixTransY);
                    fixTrans();
                    last.set(curr.x, curr.y);
                }
                break;

            case MotionEvent.ACTION_UP:
            case MotionEvent.ACTION_POINTER_UP:
                setState(State.NONE);
                break;
        }
    }

    setImageMatrix(matrix);

    //
    // User-defined OnTouchListener
    //
    if (userTouchListener != null) {
        userTouchListener.onTouch(v, event);
    }

    //
    // OnTouchImageViewListener is set: TouchImageView dragged by user.
    //
    if (touchImageViewListener != null) {
        touchImageViewListener.onMove();
    }

    //
    // indicate event was handled
    //
    return true;
}

源代码19 项目： Klyph 文件： ScrollableViewGroup.java

protected final void updatePosition(MotionEvent paramMotionEvent)
{
  this.mLastPosition[0] = paramMotionEvent.getX();
  this.mLastPosition[1] = paramMotionEvent.getY();
}

源代码20 项目： RulerView 文件： MoneySelectRuleView.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    final int x = (int) event.getX();
    final int y = (int) event.getY();
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    logD("onTouchEvent: action=%d", action);
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            mIsMoving = false;
            mDownX = x;
            mDownY = y;
            if (!mScroller.isFinished()) {
                mScroller.forceFinished(true);
            }
            break;
        case MotionEvent.ACTION_MOVE:
            final int dx = x - mLastX;
            if (!mIsMoving) {
                final int dy = y - mLastY;
                if (Math.abs(x - mDownX) <= TOUCH_SLOP || Math.abs(dx) < Math.abs(dy)) {
                    break;
                }
                mIsMoving = true;
            }
            mCurrentDistance -= dx;
            computeValue();
            break;
        case MotionEvent.ACTION_UP:
            if (!mIsMoving) {
                break;
            }
            // 计算速度
            mVelocityTracker.computeCurrentVelocity(1000, MAX_FLING_VELOCITY);
            // 获取当前的水平速度
            int xVelocity = (int) mVelocityTracker.getXVelocity();
            logD("up: xVelocity=%d", xVelocity);
            if (Math.abs(xVelocity) < MIN_FLING_VELOCITY) {
                // 滑动刻度
                scrollToGradation();
            } else {
                // 惯性滑动。
                mScroller.fling((int) mCurrentDistance, 0, -xVelocity, 0, 0, mRangeDistance, 0, 0);
                invalidate();
            }
            break;
        case MotionEvent.ACTION_CANCEL:
            if (!mScroller.isFinished()) {
                // 结束滑动，并把数值立马置为终点值
                mScroller.abortAnimation();
            }
            break;
        default: break;
    }
    mLastX = x;
    mLastY = y;
    return true;
}

方法所在类

android.view.MotionEvent