android.view.MotionEvent#ACTION_MOVE源码实例Demo

下面列出了android.view.MotionEvent#ACTION_MOVE 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： SmallGdufe-Android 文件： PickerView.java

@Override
public boolean onTouchEvent(MotionEvent event)
{
    switch (event.getActionMasked())
    {
        case MotionEvent.ACTION_DOWN:
            doDown(event);
            break;
        case MotionEvent.ACTION_MOVE:
            doMove(event);
            break;
        case MotionEvent.ACTION_UP:
            doUp(event);
            break;
    }
    return true;
}

源代码2 项目： mvvm-template 文件： RecyclerViewFastScroller.java

@SuppressLint("ClickableViewAccessibility") @Override public boolean onTouchEvent(@NonNull MotionEvent event) {
    int action = event.getAction();
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            if (event.getX() < (scrollerView.getX() - scrollerView.getPaddingStart())) return false;
            scrollerView.setSelected(true);
            hideAppbar();
        case MotionEvent.ACTION_MOVE:
            float y = event.getY();
            setScrollerHeight(y);
            setRecyclerViewPosition(y);
            return true;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            scrollerView.setSelected(false);
            showAppbar();
            return true;
    }
    return super.onTouchEvent(event);
}

源代码3 项目： JPTabBar 文件： DragBadgeView.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    try {
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                handleActionDown(event);
                break;
            case MotionEvent.ACTION_MOVE:
                handleActionMove(event);
                break;
            case MotionEvent.ACTION_UP:
            case MotionEvent.ACTION_CANCEL:
                handleActionUp(event);
                break;
        }
    } catch (Exception e) {
        // 确保自己能被移除
        removeSelfWithException();
    }
    return true;
}

源代码4 项目： UltimateSwipeTool 文件： SwipeViewLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!isSwipeEnabled()) return super.onTouchEvent(event);

    int action = event.getActionMasked();
    gestureDetector.onTouchEvent(event);

    switch (action) {
        case MotionEvent.ACTION_DOWN:
            mDragHelper.processTouchEvent(event);
            sX = event.getRawX();
            sY = event.getRawY();


        case MotionEvent.ACTION_MOVE: {
            //the drag state and the direction are already judged at onInterceptTouchEvent
            checkCanDrag(event);
            if (mIsBeingDragged) {
                getParent().requestDisallowInterceptTouchEvent(true);
                mDragHelper.processTouchEvent(event);
            }
            break;
        }
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            mIsBeingDragged = false;
            mDragHelper.processTouchEvent(event);
            break;

        default://handle other action, such as ACTION_POINTER_DOWN/UP
            mDragHelper.processTouchEvent(event);
    }

    return super.onTouchEvent(event) || mIsBeingDragged || action == MotionEvent.ACTION_DOWN;
}

源代码5 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6 项目： weex 文件： WXGesture.java

/**
 * Create a map represented touch event at a certain moment.
 * @param motionEvent motionEvent, which contains all pointers event in a period of time
 * @param pos index used to retrieve a certain moment in a period of time.
 * @return touchEvent
 * @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent">touchEvent</a>
 */
private Map<String, Object> createFireEventParam(MotionEvent motionEvent, int pos) {
  JSONArray jsonArray = new JSONArray(motionEvent.getPointerCount());
  if (motionEvent.getActionMasked() == MotionEvent.ACTION_MOVE) {
    for (int i = 0; i < motionEvent.getPointerCount(); i++) {
      jsonArray.add(createJSONObject(motionEvent, pos, i));
    }
  } else if (isPointerNumChanged(motionEvent)) {
    int pointerIndex = motionEvent.getActionIndex();
    jsonArray.add(createJSONObject(motionEvent, CUR_EVENT, pointerIndex));
  }
  Map<String, Object> map = new HashMap<>();
  map.put(GestureInfo.HISTORICAL_XY, jsonArray);
  return map;
}

源代码7 项目： elemeimitate 文件： RefreshableListView.java

@Override
public boolean onTouchEvent(final MotionEvent ev) {
    switch (ev.getAction()) {
        case MotionEvent.ACTION_MOVE:
            mHistoricalTop = getChildAt(0).getTop();
            break;
        case MotionEvent.ACTION_UP:
            if (!mIsRefreshing) {
                if (mArrowUp) {
                    startRefreshing();
                    mHandler.sendMessage(mHandler.obtainMessage(REFRESH, (int) (ev.getY() - mY)
                            / 2 + mInitialHeight, 0));
                } else {
                    if (getChildAt(0).getTop() == 0) {
                        mHandler.sendMessage(mHandler.obtainMessage(NORMAL,
                                (int) (ev.getY() - mY) / 2 + mInitialHeight, 0));
                    }
                }
            } else {
                mHandler.sendMessage(mHandler.obtainMessage(REFRESH, (int) (ev.getY() - mY) / 2
                        + mInitialHeight, 0));
            }
            mFlag = false;
            break;
    }
    return super.onTouchEvent(ev);
}

源代码8 项目： MaterialButton 文件： FloatingActionButton.java

@Override
public boolean dispatchTouchEvent(MotionEvent event) {

	if (status == DISABLE_STATUS) {
		return true;
	}
	switch (event.getAction()) {

	case MotionEvent.ACTION_DOWN:
		status = FOCUS_STATUS;

		break;

	case MotionEvent.ACTION_MOVE:
		float x = event.getX();
		float y = event.getY();
		if (x < 0 || x > width || y > height || y < 0) {
			status = NORMAL_STATUS;
		}
		break;

       case MotionEvent.ACTION_CANCEL:
           status = NORMAL_STATUS;
           break;

	case MotionEvent.ACTION_UP:
		if (status != FOCUS_STATUS) {
			return true;
		}
		status = PRESSED_STATUS;

		objectAnimator = ObjectAnimator.ofFloat(this, "rotation", rotateDegree);
		objectAnimator.setDuration(rotateTime);
		objectAnimator.start();

		if (rotateMode == REVERSE && rotateDegree != 0) {
			rotateDegree -= degree;
			if (listener != null) {
				listener.onForward();
			}
		} else {
			rotateDegree += degree;
			if (listener != null) {
				listener.onBack();
			}
		}

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

源代码9 项目： qiscus-sdk-android 文件： QiscusTouchImageView.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10 项目： WidgetCase 文件： RingView.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (!mOuterIsEnable) {
        return super.onTouchEvent(event);
    }
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            downX = event.getX();
            downY = event.getY();
            currentMS = System.currentTimeMillis();
            LogUtil.logD("201811161726", "MotionEvent.ACTION_DOWN->currentMS = " + currentMS);
            break;
        case MotionEvent.ACTION_MOVE:
            LogUtil.logD("201811161726", "MotionEvent.ACTION_MOVE");
            break;
        case MotionEvent.ACTION_UP:
            long moveTime = System.currentTimeMillis() - currentMS;
            LogUtil.logD("201811161726", "moveTime = " + moveTime);
            if (moveTime < 120) { // 点击判定条件
                if (EmptyUtils.isNotEmpty(mOuterRfList)) {
                    RingVBean bean;
                    int size = mOuterRfList.size();
                    for (int i = 0; i < size; i++) {
                        bean = mOuterRfList.get(i);
                        LogUtil.logD("201812121815", "矩阵 = " + bean.getRf().toString() + "->downX = " + downX +
                                "->downY = " + downY + "->是否包含 = " + bean.isInChartArea(bean.getRf(), downX, downY) + "->size = " + size);
                        if (bean.isInChartArea(bean.getRf(), downX, downY)) {
                            if (mListener != null) {
                                mListener.onOuterClick(bean.getLabel());
                            }
                            break;
                        }
                    }
                }
            }
            break;
        default:
            break;
    }
    return true;
}

源代码11 项目： UltimateAndroid 文件： CirclePageIndicator.java

public boolean onTouchEvent(MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }
    if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
        return false;
    }

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
            mLastMotionX = ev.getX();
            break;

        case MotionEvent.ACTION_MOVE: {
            final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
            final float x = MotionEventCompat.getX(ev, activePointerIndex);
            final float deltaX = x - mLastMotionX;

            if (!mIsDragging) {
                if (Math.abs(deltaX) > mTouchSlop) {
                    mIsDragging = true;
                }
            }

            if (mIsDragging) {
                mLastMotionX = x;
                if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                    mViewPager.fakeDragBy(deltaX);
                }
            }

            break;
        }

        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            if (!mIsDragging) {
                final int count = mViewPager.getAdapter().getCount();
                final int width = getWidth();
                final float halfWidth = width / 2f;
                final float sixthWidth = width / 6f;

                if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage - 1);
                    }
                    return true;
                } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                    if (action != MotionEvent.ACTION_CANCEL) {
                        mViewPager.setCurrentItem(mCurrentPage + 1);
                    }
                    return true;
                }
            }

            mIsDragging = false;
            mActivePointerId = INVALID_POINTER;
            if (mViewPager.isFakeDragging()) mViewPager.endFakeDrag();
            break;

        case MotionEventCompat.ACTION_POINTER_DOWN: {
            final int index = MotionEventCompat.getActionIndex(ev);
            mLastMotionX = MotionEventCompat.getX(ev, index);
            mActivePointerId = MotionEventCompat.getPointerId(ev, index);
            break;
        }

        case MotionEventCompat.ACTION_POINTER_UP:
            final int pointerIndex = MotionEventCompat.getActionIndex(ev);
            final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
            if (pointerId == mActivePointerId) {
                final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
                mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
            }
            mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
            break;
    }

    return true;
}

源代码12 项目： KUAS-AP-Material 文件： SegmentControl.java

@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {

	switch (event.getAction() & MotionEvent.ACTION_MASK) {
		case MotionEvent.ACTION_DOWN:
			inTapRegion = true;

			mStartX = event.getX();
			mStartY = event.getY();

			break;
		case MotionEvent.ACTION_MOVE:
			mCurrentX = event.getX();
			mCurrentY = event.getY();

			int dx = (int) (mCurrentX - mStartX);
			int dy = (int) (mCurrentY - mStartY);

			int distance = dx * dx + dy * dy;

			if (distance > mTouchSlop) {
				inTapRegion = false;
			}

			break;
		case MotionEvent.ACTION_UP:
			if (inTapRegion) {
				int index;
				if (mDirection == Direction.HORIZON) {
					index = (int) (mStartX / mSingleChildWidth);
				} else {
					index = (int) (mStartY / mSingleChildHeight);
				}

				if (mCurrentIndex != index) {
					if (mOnSegmentControlClickListener != null) {
						mOnSegmentControlClickListener.onSegmentControlClick(index);
					}
				} else {
					if (mOnSegmentControlClickListener != null) {
						mOnSegmentControlClickListener.onSegmentControlReselect();
					}
				}

				mCurrentIndex = index;

				invalidate();
			}
			break;
	}

	return true;
}

源代码13 项目： PlusDemo 文件： MultiTouchView2.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    float sumX = 0;
    float sumY = 0;

    boolean pointerUp = event.getActionMasked() == MotionEvent.ACTION_POINTER_UP;
    int skippedPointer = pointerUp ? event.getActionIndex() : -1; // 计算焦点时跳过抬起的手指
    int count = event.getPointerCount();
    for (int i = 0; i < count; i++) {
        if (skippedPointer != i) { // 跳过抬起的手指
            sumX += event.getX(i);
            sumY += event.getY(i);
        }
    }
    int divisor = pointerUp ? count - 1 : count; // 如果是 ACTION_POINTER_UP 事件，除数减一
    float focusX = sumX / divisor;
    float focusY = sumY / divisor;

    switch (event.getActionMasked()) {
        case MotionEvent.ACTION_DOWN:
            downX = focusX;
            downY = focusY;
            oldOffsetX = offsetX;
            oldOffsetY = offsetY;
            break;
        case MotionEvent.ACTION_POINTER_DOWN:
            downX = focusX;
            downY = focusY;
            oldOffsetX = offsetX;
            oldOffsetY = offsetY;
            break;
        case MotionEvent.ACTION_POINTER_UP:
            downX = focusX;
            downY = focusY;
            oldOffsetX = offsetX;
            oldOffsetY = offsetY;
            break;
        case MotionEvent.ACTION_MOVE:
            float deltaX = focusX - downX;
            float deltaY = focusY - downY;
            offsetX = oldOffsetX + deltaX;
            offsetY = oldOffsetY + deltaY;
            invalidate();
            break;
    }

    return true;
}

源代码14 项目： SmartChart 文件： NumberPickerView.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if(mItemHeight == 0) return true;

    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    currY = event.getY();

    switch(event.getAction()){
        case MotionEvent.ACTION_DOWN:
            mFlagMayPress = true;
            mHandlerInNewThread.removeMessages(HANDLER_WHAT_REFRESH);
            stopScrolling();
            downY = currY;
            downYGlobal = mCurrDrawGlobalY;
            onScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            getParent().requestDisallowInterceptTouchEvent(true);
            break;
        case MotionEvent.ACTION_MOVE:
            float spanY = downY - currY;

            if(mFlagMayPress && (-mScaledTouchSlop < spanY && spanY < mScaledTouchSlop)){

            }else{
                mFlagMayPress = false;
                mCurrDrawGlobalY = limitY((int)(downYGlobal + spanY));
                calculateFirstItemParameterByGlobalY();
                invalidate();
            }
            onScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL);
            break;
        case MotionEvent.ACTION_UP:
            if(mFlagMayPress){
                click(event);
            }else {
                final VelocityTracker velocityTracker = mVelocityTracker;
                velocityTracker.computeCurrentVelocity(1000);
                int velocityY = (int) (velocityTracker.getYVelocity() * mFriction);
                if (Math.abs(velocityY) > mMiniVelocityFling) {
                    mScroller.fling(0, mCurrDrawGlobalY, 0, -velocityY,
                            Integer.MIN_VALUE, Integer.MAX_VALUE, limitY(Integer.MIN_VALUE), limitY(Integer.MAX_VALUE));
                    invalidate();
                    onScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);
                }
                mHandlerInNewThread.sendMessageDelayed(getMsg(HANDLER_WHAT_REFRESH), 0);
                releaseVelocityTracker();
            }
            break;
        case MotionEvent.ACTION_CANCEL:
            downYGlobal = mCurrDrawGlobalY;
            stopScrolling();
            mHandlerInNewThread.sendMessageDelayed(getMsg(HANDLER_WHAT_REFRESH), 0);
            break;
    }
    return true ;
}

源代码15 项目： BlunoAccessoryShieldDemo 文件： ValueBar.java

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

	// Convert coordinates to our internal coordinate system
	float x = event.getX();

	switch (event.getAction()) {
	case MotionEvent.ACTION_DOWN:
	    	mIsMovingPointer = true;
		// Check whether the user pressed on (or near) the pointer
		if (x >= (mBarPointerHaloRadius)
				&& x <= (mBarPointerHaloRadius + mBarLength)) {
			mBarPointerPosition = Math.round(x);
			calculateColor(Math.round(x));
			mBarPointerPaint.setColor(mColor);
			invalidate();
		}
		break;
	case MotionEvent.ACTION_MOVE:
		if (mIsMovingPointer) {
			// Move the the pointer on the bar.
			if (x >= mBarPointerHaloRadius
					&& x <= (mBarPointerHaloRadius + mBarLength)) {
				mBarPointerPosition = Math.round(x);
				calculateColor(Math.round(x));
				mBarPointerPaint.setColor(mColor);
				if (mPicker != null) {
					mPicker.setNewCenterColor(mColor);
					mPicker.changeOpacityBarColor(mColor);
				}
				invalidate();
			} else if (x < mBarPointerHaloRadius) {
				mBarPointerPosition = mBarPointerHaloRadius;
				mColor = Color.HSVToColor(mHSVColor);
				mBarPointerPaint.setColor(mColor);
				if (mPicker != null) {
					mPicker.setNewCenterColor(mColor);
					mPicker.changeOpacityBarColor(mColor);
				}
				invalidate();
			} else if (x > (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16 项目： MyBookshelf 文件： RefreshRecyclerView.java

@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouch(View v, MotionEvent event) {
    int action = event.getAction();
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            durTouchX = event.getX();
            durTouchY = event.getY();
            break;
        case MotionEvent.ACTION_MOVE:
            if (durTouchX == -1000000) {
                durTouchX = event.getX();
            }
            if (durTouchY == -1000000)
                durTouchY = event.getY();

            float dY = event.getY() - durTouchY;  //>0下拉
            durTouchY = event.getY();
            if (baseRefreshListener != null && ((RefreshRecyclerViewAdapter) Objects.requireNonNull(recyclerView.getAdapter())).getIsRequesting() == 0 && rpb.getSecondDurProgress() == rpb.getSecondFinalProgress()) {
                if (rpb.getVisibility() != View.VISIBLE) {
                    rpb.setVisibility(View.VISIBLE);
                }
                if (recyclerView.getAdapter().getItemCount() > 0) {
                    if (0 == ((LinearLayoutManager) Objects.requireNonNull(recyclerView.getLayoutManager())).findFirstCompletelyVisibleItemPosition()) {
                        rpb.setSecondDurProgress((int) (rpb.getSecondDurProgress() + dY));
                    }
                } else {
                    rpb.setSecondDurProgress((int) (rpb.getSecondDurProgress() + dY));
                }
                return rpb.getSecondDurProgress() > 0;
            }
            break;
        case MotionEvent.ACTION_UP:
            if (baseRefreshListener != null && rpb.getSecondMaxProgress() > 0 && rpb.getSecondDurProgress() > 0) {
                if (rpb.getSecondDurProgress() >= rpb.getSecondMaxProgress() && ((RefreshRecyclerViewAdapter) Objects.requireNonNull(recyclerView.getAdapter())).getIsRequesting() == 0) {
                    if (baseRefreshListener instanceof OnRefreshWithProgressListener) {
                        //带有进度的
                        //执行刷新响应
                        ((RefreshRecyclerViewAdapter) recyclerView.getAdapter()).setIsAll(false, false);
                        ((RefreshRecyclerViewAdapter) recyclerView.getAdapter()).setIsRequesting(1, true);
                        rpb.setMaxProgress(((OnRefreshWithProgressListener) baseRefreshListener).getMaxProgress());
                        baseRefreshListener.startRefresh();
                        if (noDataView != null) {
                            noDataView.setVisibility(GONE);
                        }
                        if (refreshErrorView != null) {
                            refreshErrorView.setVisibility(GONE);
                        }
                    } else {
                        //不带进度的
                        ((RefreshRecyclerViewAdapter) recyclerView.getAdapter()).setIsAll(false, false);
                        ((RefreshRecyclerViewAdapter) recyclerView.getAdapter()).setIsRequesting(1, true);
                        baseRefreshListener.startRefresh();
                        if (noDataView != null) {
                            noDataView.setVisibility(GONE);
                        }
                        if (refreshErrorView != null) {
                            refreshErrorView.setVisibility(GONE);
                        }
                        rpb.setIsAutoLoading(true);
                    }
                } else {
                    if (((RefreshRecyclerViewAdapter) Objects.requireNonNull(recyclerView.getAdapter())).getIsRequesting() != 1)
                        rpb.setSecondDurProgressWithAnim(0);
                }
            }
            durTouchX = -1000000;
            durTouchY = -1000000;
            break;
    }
    return false;
}

源代码17 项目： AndroidStudyDemo 文件： SwipyRefreshLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    ensureTarget();

    final int action = MotionEventCompat.getActionMasked(ev);

    if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;
    }

    switch (mDirection) {
        case BOTTOM:
            if (!isEnabled() || mReturningToStart || (!mBothDirection && canChildScrollDown()) || mRefreshing) {
                // Fail fast if we're not in a state where a swipe is possible
                return false;
            }
            break;
        case TOP:
        default:
            if (!isEnabled() || mReturningToStart || (!mBothDirection && canChildScrollUp()) || mRefreshing) {
                // Fail fast if we're not in a state where a swipe is possible
                return false;
            }
            break;
    }

    switch (action) {
        case MotionEvent.ACTION_DOWN:
            setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true);
            mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
            mIsBeingDragged = false;
            final float initialMotionY = getMotionEventY(ev, mActivePointerId);
            if (initialMotionY == -1) {
                return false;
            }
            mInitialMotionY = initialMotionY;

        case MotionEvent.ACTION_MOVE:
            if (mActivePointerId == INVALID_POINTER) {
                return false;
            }

            final float y = getMotionEventY(ev, mActivePointerId);
            if (y == -1) {
                return false;
            }
            if (mBothDirection) {
                if (y > mInitialMotionY) {
                    setRawDirection(SwipyRefreshLayoutDirection.TOP);
                } else if (y < mInitialMotionY) {
                    setRawDirection(SwipyRefreshLayoutDirection.BOTTOM);
                }
                if ((mDirection == SwipyRefreshLayoutDirection.BOTTOM && canChildScrollDown())
                        || (mDirection == SwipyRefreshLayoutDirection.TOP && canChildScrollUp())) {
                    return false;
                }
            }
            float yDiff;
            switch (mDirection) {
                case BOTTOM:
                    yDiff = mInitialMotionY - y;
                    break;
                case TOP:
                default:
                    yDiff = y - mInitialMotionY;
                    break;
            }
            if (yDiff > mTouchSlop && !mIsBeingDragged) {
                mIsBeingDragged = true;
                mProgress.setAlpha(STARTING_PROGRESS_ALPHA);
            }
            break;

        case MotionEventCompat.ACTION_POINTER_UP:
            onSecondaryPointerUp(ev);
            break;

        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            mIsBeingDragged = false;
            mActivePointerId = INVALID_POINTER;
            break;
    }

    return mIsBeingDragged;
}

源代码18 项目： Android-Keyboard 文件： DraggableLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    mGestureDetector.onTouchEvent(event);

    if (!scrollable) {
        return false;
    }

    if (mTouchTopOutSide || mIsFling) {
        return true;
    }

    float currentY = event.getY();
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            lastY = currentY;
            return true;
        case MotionEvent.ACTION_MOVE: {
            if (!mDragStart) {
                mDragStart = true;
                callback.onDragStart();
            }

            float dy = currentY - lastY;
            lastY = currentY;

            boolean doSwipeClose = false;
            // case 1 : 正常拖动數值
            float newTransY = childView.getTranslationY() + dy;
            // case 2 : 低于最小可移动高度Y
            if (newTransY < minTransY) {
                newTransY = minTransY;
            }
            // case 3 : 达到上限位置以后可以继续向上运动，运动距离衰减为手指移动距离的1/2
            else if (newTransY < stateHighTranslationY) {
                newTransY = childView.getTranslationY() + dy / 2;
            }
            // case 4 : 超过键盘底端 最多设置为底端
            else if (newTransY >= getMeasuredHeight()) {
                newTransY = getMeasuredHeight();
                doSwipeClose = true;
            }
            childView.setTranslationY(newTransY);
            callback.onTranslationYChanged(newTransY);

            // 超过键盘底端 关闭
            if (doSwipeClose && callback != null) {
                callback.onSwipeClose();
            }
            return true;
        }
        case MotionEvent.ACTION_UP:
            mDragStart = false;
            lastY = currentY;

            // 在键盘工具列下方
            if (childView.getTranslationY() > stateLowTranslationY) {
                int closeBoundary = stateLowTranslationY + (getMeasuredHeight() - stateLowTranslationY) / 2;
                // 在键盘工具列下方空间一半以上 回到工具列高度 反之关闭
                boolean needClose = childView.getTranslationY() > closeBoundary;
                animateTo(needClose ? STATE_CLOSE : STATE_LOW, ANIMATION_DURATION_150, null);
            }
            // 在键盘工具列上方
            else {
                // 需要缓冲值让他返回最高高度 (ex : Touch Event很难刚好把Y移动到0)
                if (childView.getTranslationY() < stateHighTranslationY + MOVE_HIGH_TRANSLATION_Y_DIFFERENCE) {
                    animateTo(STATE_HIGH, ANIMATION_DURATION_150, null);
                } else {
                    // 直接停放
                    setState(STATE_MIDDLE);
                }
            }
            return true;
    }
    return true;
}

源代码19 项目： AssistantBySDK 文件： LingjuSwipeUpLoadRefreshLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    if (!allowDrag)
        return false;
    ensureTarget();

    final int action = MotionEventCompat.getActionMasked(ev);

    /*if (mReturningToStart && action == MotionEvent.ACTION_DOWN) {
        mReturningToStart = false;
    }*/
    final boolean isTop = !canChildScrollUp();
    final boolean isBottom = !canChildScrollDown();

    if (!isEnabled() || mReturningToStart || (!isTop && !isBottom) || tRefreshing || bRefreshing) {
        // Fail fast if we're not in a state where a swipe is possible
        return false;
    }

    switch (action) {
        case MotionEvent.ACTION_DOWN:
            if (!bOriginalOffsetCalculated) {
                bCurrentTargetOffsetTop = bOriginalOffsetTop = getMeasuredHeight();
                bOriginalOffsetCalculated = true;
                Log.e(TAG, "onLayout>>set bOriginalOffsetTop=" + bOriginalOffsetTop);
            }
            tIsBeingDragged = false;
            bIsBeingDragged = false;
            if (isBottom) {
                setTargetOffsetTopAndBottom(bCircleView, bOriginalOffsetTop - bCircleView.getTop(), true);
            } else
                return false;
            mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
            final float initialDownY = getMotionEventY(ev, mActivePointerId);
            if (initialDownY == -1) {
                return false;
            }
            mInitialDownY = initialDownY;
            break;

        case MotionEvent.ACTION_MOVE:
            if (mActivePointerId == INVALID_POINTER) {
                android.util.Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id.");
                return false;
            }

            final float y = getMotionEventY(ev, mActivePointerId);
            if (y == -1) {
                return false;
            }
            final float yDiff = y - mInitialDownY;
            if (isBottom && yDiff < 0 && Math.abs(yDiff) > mTouchSlop && !bIsBeingDragged) {
                mInitialMotionY = mInitialDownY - mTouchSlop;
                bIsBeingDragged = true;
                bProgress.setAlpha(STARTING_PROGRESS_ALPHA);
            }
            break;

        case MotionEventCompat.ACTION_POINTER_UP:
            onSecondaryPointerUp(ev);
            break;

        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            tIsBeingDragged = false;
            bIsBeingDragged = false;
            mActivePointerId = INVALID_POINTER;
            break;
    }

    return tIsBeingDragged || bIsBeingDragged;
}

源代码20 项目： TLint 文件： ScaleDragDetector.java

private void onTouchDragEvent(int action, MotionEvent ev) {
    switch (action) {
        case MotionEvent.ACTION_DOWN: {
            mVelocityTracker = VelocityTracker.obtain();
            if (null != mVelocityTracker) {
                mVelocityTracker.addMovement(ev);
            }

            mLastTouchX = getActiveX(ev);
            mLastTouchY = getActiveY(ev);
            mIsDragging = false;
            break;
        }

        case MotionEvent.ACTION_MOVE: {
            final float x = getActiveX(ev);
            final float y = getActiveY(ev);
            final float dx = x - mLastTouchX, dy = y - mLastTouchY;

            if (!mIsDragging) {
                mIsDragging = Math.sqrt((dx * dx) + (dy * dy)) >= mTouchSlop;
            }

            if (mIsDragging) {
                mScaleDragGestureListener.onDrag(dx, dy);
                mLastTouchX = x;
                mLastTouchY = y;

                if (null != mVelocityTracker) {
                    mVelocityTracker.addMovement(ev);
                }
            }
            break;
        }

        case MotionEvent.ACTION_CANCEL: {
            if (null != mVelocityTracker) {
                mVelocityTracker.recycle();
                mVelocityTracker = null;
            }
            break;
        }

        case MotionEvent.ACTION_UP: {
            if (mIsDragging) {
                if (null != mVelocityTracker) {
                    mLastTouchX = getActiveX(ev);
                    mLastTouchY = getActiveY(ev);

                    mVelocityTracker.addMovement(ev);
                    mVelocityTracker.computeCurrentVelocity(1000);

                    final float vX = mVelocityTracker.getXVelocity(), vY = mVelocityTracker.getYVelocity();

                    if (Math.max(Math.abs(vX), Math.abs(vY)) >= mMinimumVelocity) {
                        mScaleDragGestureListener.onFling(mLastTouchX, mLastTouchY, -vX, -vY);
                    }
                }
            }
            if (null != mVelocityTracker) {
                mVelocityTracker.recycle();
                mVelocityTracker = null;
            }
            break;
        }
    }
}

方法所在类

android.view.MotionEvent