List of usage examples for android.support.v4.view MotionEventCompat getPointerId
public static int getPointerId(MotionEvent event, int pointerIndex)
From source file:com.coco.draggablegridviewpager.DraggableGridViewPager.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (ev.getAction() == MotionEvent.ACTION_DOWN && ev.getEdgeFlags() != 0) { // Don't handle edge touches immediately -- they may actually belong to one of our // descendants. return false; }//from w w w. ja va2 s . c om if (mPageCount <= 0) { // Nothing to present or scroll; nothing to touch. return false; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); final int action = ev.getAction(); boolean needsInvalidate = false; switch (action & MotionEventCompat.ACTION_MASK) { case MotionEvent.ACTION_DOWN: { mScroller.abortAnimation(); // Remember where the motion event started mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); DEBUG_LOG("Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + " mIsUnableToDrag=" + mIsUnableToDrag); if (!mIsBeingDragged && mScrollState == SCROLL_STATE_IDLE) { mLastPosition = getPositionByXY((int) mLastMotionX, (int) mLastMotionY); } else { mLastPosition = -1; } if (mLastPosition >= 0) { mLastDownTime = System.currentTimeMillis(); } else { mLastDownTime = Long.MAX_VALUE; } DEBUG_LOG("Down at mLastPosition=" + mLastPosition); mLastDragged = -1; break; } case MotionEvent.ACTION_MOVE: { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { // change draw location of dragged visual final View v = getChildAt(mLastDragged); final int l = getScrollX() + (int) x - v.getWidth() / 2; final int t = getScrollY() + (int) y - v.getHeight() / 2; v.layout(l, t, l + v.getWidth(), t + v.getHeight()); // check for new target hover if (mScrollState == SCROLL_STATE_IDLE) { final int target = getTargetByXY((int) x, (int) y); if (target != -1 && mLastTarget != target) { animateGap(target); mLastTarget = target; DEBUG_LOG("Moved to mLastTarget=" + mLastTarget); } // edge holding final int edge = getEdgeByXY((int) x, (int) y); if (mLastEdge == -1) { if (edge != mLastEdge) { mLastEdge = edge; mLastEdgeTime = System.currentTimeMillis(); } } else { if (edge != mLastEdge) { mLastEdge = -1; } else { if ((System.currentTimeMillis() - mLastEdgeTime) >= EDGE_HOLD_DURATION) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); triggerSwipe(edge); mLastEdge = -1; } } } } } else if (!mIsBeingDragged) { final float xDiff = Math.abs(x - mLastMotionX); final float yDiff = Math.abs(y - mLastMotionY); DEBUG_LOG("Moved to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff > yDiff) { DEBUG_LOG("Starting drag!"); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); mLastMotionX = x - mInitialMotionX > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop; mLastMotionY = y; setScrollState(SCROLL_STATE_DRAGGING); setScrollingCacheEnabled(true); } } // Not else! Note that mIsBeingDragged can be set above. if (mIsBeingDragged) { // Scroll to follow the motion event needsInvalidate |= performDrag(x); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Moved to currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { if ((System.currentTimeMillis() - mLastDownTime) >= LONG_CLICK_DURATION) { if (onItemLongClick(currentPosition)) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); mLastDragged = mLastPosition; requestParentDisallowInterceptTouchEvent(true); mLastTarget = -1; animateDragged(); mLastPosition = -1; } mLastDownTime = Long.MAX_VALUE; } } else { mLastPosition = -1; } } break; } case MotionEvent.ACTION_UP: { DEBUG_LOG("Touch up!!!"); final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); final int width = getWidth(); final int scrollX = getScrollX(); final int currentPage = scrollX / width; final int offsetPixels = scrollX - currentPage * width; final float pageOffset = (float) offsetPixels / (float) width; final int totalDelta = (int) (x - mInitialMotionX); int nextPage = determineTargetPage(currentPage, pageOffset, initialVelocity, totalDelta); setCurrentItemInternal(nextPage, true, true, initialVelocity); mActivePointerId = INVALID_POINTER; endDrag(); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Touch up!!! currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { onItemClick(currentPosition); } } break; } case MotionEvent.ACTION_CANCEL: DEBUG_LOG("Touch cancel!!!"); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { scrollToItem(mCurItem, true, 0, false); mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); final float x = MotionEventCompat.getX(ev, index); mLastMotionX = x; mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (needsInvalidate) { ViewCompat.postInvalidateOnAnimation(this); } return true; }
From source file:cn.usmaker.ben.view.refresh.NeuSwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();// ww w. j av a2 s . c o m 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 initialDownY = getMotionEventY(ev, mActivePointerId); if (initialDownY == -1) { return false; } mInitialDownY = initialDownY; 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 > mInitialDownY) { setRawDirection(NeuSwipeRefreshLayoutDirection.TOP); } else if (y < mInitialDownY) { setRawDirection(NeuSwipeRefreshLayoutDirection.BOTTOM); } if ((mDirection == NeuSwipeRefreshLayoutDirection.BOTTOM && canChildScrollDown()) || (mDirection == NeuSwipeRefreshLayoutDirection.TOP && canChildScrollUp())) { mInitialDownY = y; return false; } } float yDiff = 0; switch (mDirection) { case BOTTOM: yDiff = mInitialDownY - y; break; case TOP: yDiff = y - mInitialDownY; break; case NONE: break; default: yDiff = y - mInitialDownY; break; } if (yDiff > mTouchSlop && !mIsBeingDragged) { switch (mDirection) { case BOTTOM: mInitialMotionY = mInitialDownY - mTouchSlop; break; case TOP: default: mInitialMotionY = mInitialDownY + mTouchSlop; break; } 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; }
From source file:com.king.view.superswiperefreshlayout.SuperSwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();//from w w w . j a v a 2 s. c om 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(Direction.TOP); } else if (y < mInitialMotionY) { setRawDirection(Direction.BOTTOM); } if ((mDirection == Direction.BOTTOM && canChildScrollDown()) || (mDirection == Direction.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; }
From source file:com.adhere.view.swipe.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;//from ww w . j a v a 2 s . c o m } if (!isEnabled() || mReturningToStart || canChildScrollUp()) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; break; case MotionEvent.ACTION_MOVE: { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE; if (mIsBeingDragged) { mProgress.showArrow(true); float originalDragPercent = overscrollTop / mTotalDragDistance; if (originalDragPercent < 0) { return false; } float dragPercent = Math.min(1f, Math.abs(originalDragPercent)); float adjustedPercent = (float) Math.max(dragPercent - .4, 0) * 5 / 3; float extraOS = Math.abs(overscrollTop) - mTotalDragDistance; float slingshotDist = mUsingCustomStart ? mSpinnerFinalOffset - mOriginalOffsetTop : mSpinnerFinalOffset; float tensionSlingshotPercent = Math.max(0, Math.min(extraOS, slingshotDist * 2) / slingshotDist); float tensionPercent = (float) ((tensionSlingshotPercent / 4) - Math.pow((tensionSlingshotPercent / 4), 2)) * 2f; float extraMove = (slingshotDist) * tensionPercent * 2; int targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove); // where 1.0f is a full circle if (mCircleView.getVisibility() != View.VISIBLE) { mCircleView.setVisibility(View.VISIBLE); } if (!mScale) { ViewCompat.setScaleX(mCircleView, 1f); ViewCompat.setScaleY(mCircleView, 1f); } if (overscrollTop < mTotalDragDistance) { if (mScale) { setAnimationProgress(overscrollTop / mTotalDragDistance); } if (mProgress.getAlpha() > STARTING_PROGRESS_ALPHA && !isAnimationRunning(mAlphaStartAnimation)) { // Animate the alpha startProgressAlphaStartAnimation(); } float strokeStart = adjustedPercent * .8f; mProgress.setStartEndTrim(0f, Math.min(MAX_PROGRESS_ANGLE, strokeStart)); mProgress.setArrowScale(Math.min(1f, adjustedPercent)); } else { if (mProgress.getAlpha() < MAX_ALPHA && !isAnimationRunning(mAlphaMaxAnimation)) { // Animate the alpha startProgressAlphaMaxAnimation(); } } float rotation = (-0.25f + .4f * adjustedPercent + tensionPercent * 2) * .5f; mProgress.setProgressRotation(rotation); setTargetOffsetTopAndBottom(targetY - mCurrentTargetOffsetTop, true /* requires update */); } break; } case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: { if (mActivePointerId == INVALID_POINTER) { if (action == MotionEvent.ACTION_UP) { Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id."); } return false; } final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float y = MotionEventCompat.getY(ev, pointerIndex); final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE; mIsBeingDragged = false; if (overscrollTop > mTotalDragDistance) { setRefreshing(true, true /* notify */); } else { // cancel refresh mRefreshing = false; mProgress.setStartEndTrim(0f, 0f); AnimationListener listener = null; if (!mScale) { listener = new AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { if (!mScale) { startScaleDownAnimation(null); } } @Override public void onAnimationRepeat(Animation animation) { } }; } animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener); mProgress.showArrow(false); } mActivePointerId = INVALID_POINTER; return false; } } return true; }
From source file:com.ebaonet.lawyer.ui.weight.DraggableGridViewPager.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (ev.getAction() == MotionEvent.ACTION_DOWN && ev.getEdgeFlags() != 0) { // Don't handle edge touches immediately -- they may actually belong // to one of our // descendants. return false; }//from w w w . j a v a 2 s . c o m if (mPageCount <= 0) { // Nothing to present or scroll; nothing to touch. return false; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); final int action = ev.getAction(); boolean needsInvalidate = false; switch (action & MotionEventCompat.ACTION_MASK) { case MotionEvent.ACTION_DOWN: { mScroller.abortAnimation(); // Remember where the motion event started mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); DEBUG_LOG("Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + " mIsUnableToDrag=" + mIsUnableToDrag); if (!mIsBeingDragged && mScrollState == SCROLL_STATE_IDLE) { mLastPosition = getPositionByXY((int) mLastMotionX, (int) mLastMotionY); } else { mLastPosition = -1; } if (mLastPosition >= 0) { mLastDownTime = System.currentTimeMillis(); } else { mLastDownTime = Long.MAX_VALUE; } DEBUG_LOG("Down at mLastPosition=" + mLastPosition); mLastDragged = -1; break; } case MotionEvent.ACTION_MOVE: { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { // change draw location of dragged visual final View v = getChildAt(mLastDragged); final int l = getScrollX() + (int) x - v.getWidth() / 2; final int t = getScrollY() + (int) y - v.getHeight() / 2; v.layout(l, t, l + v.getWidth(), t + v.getHeight()); // check for new target hover if (mScrollState == SCROLL_STATE_IDLE) { final int target = getTargetByXY((int) x, (int) y); if (target != -1 && mLastTarget != target) { animateGap(target); mLastTarget = target; DEBUG_LOG("Moved to mLastTarget=" + mLastTarget); } // edge holding final int edge = getEdgeByXY((int) x, (int) y); if (mLastEdge == -1) { if (edge != mLastEdge) { mLastEdge = edge; mLastEdgeTime = System.currentTimeMillis(); } } else { if (edge != mLastEdge) { mLastEdge = -1; } else { if ((System.currentTimeMillis() - mLastEdgeTime) >= EDGE_HOLD_DURATION) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); triggerSwipe(edge); mLastEdge = -1; } } } } } else if (!mIsBeingDragged) { final float xDiff = Math.abs(x - mLastMotionX); final float yDiff = Math.abs(y - mLastMotionY); DEBUG_LOG("Moved to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff > yDiff) { DEBUG_LOG("Starting drag!"); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); mLastMotionX = x - mInitialMotionX > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop; mLastMotionY = y; setScrollState(SCROLL_STATE_DRAGGING); setScrollingCacheEnabled(true); } } // Not else! Note that mIsBeingDragged can be set above. if (mIsBeingDragged) { // Scroll to follow the motion event needsInvalidate |= performDrag(x); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Moved to currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { if ((System.currentTimeMillis() - mLastDownTime) >= LONG_CLICK_DURATION) { if (onItemLongClick(currentPosition)) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); mLastDragged = mLastPosition; requestParentDisallowInterceptTouchEvent(true); mLastTarget = -1; animateDragged(); mLastPosition = -1; } mLastDownTime = Long.MAX_VALUE; } } else { mLastPosition = -1; } } break; } case MotionEvent.ACTION_UP: { DEBUG_LOG("Touch up!!!"); final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); final int width = getWidth(); final int scrollX = getScrollX(); final int currentPage = scrollX / width; final int offsetPixels = scrollX - currentPage * width; final float pageOffset = (float) offsetPixels / (float) width; final int totalDelta = (int) (x - mInitialMotionX); int nextPage = determineTargetPage(currentPage, pageOffset, initialVelocity, totalDelta); setCurrentItemInternal(nextPage, true, true, initialVelocity); mActivePointerId = INVALID_POINTER; endDrag(); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Touch up!!! currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { onItemClick(currentPosition); } } break; } case MotionEvent.ACTION_CANCEL: DEBUG_LOG("Touch cancel!!!"); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { scrollToItem(mCurItem, true, 0, false); mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); final float x = MotionEventCompat.getX(ev, index); mLastMotionX = x; mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (needsInvalidate) { ViewCompat.postInvalidateOnAnimation(this); } return true; }
From source file:com.limxing.library.PullToRefresh.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { try {//from w w w . j a va 2 s . c o m final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false; } if (!isEnabled() || mReturningToStart) { // Fail fast if we're not in a state where a swipe is possible return false; } if (isRefreshing()) { return false; } if (mLoading) { return false; } switch (action) { case MotionEvent.ACTION_DOWN: mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; up = canChildScrollUp(); down = canChildScrollDown(); break; case MotionEvent.ACTION_MOVE: final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = y - mInitialMotionY; if (up) { // ?? if (down) { // ?? return false; } else { if (-yDiff > mTouchSlop) { // direction = 1; mIsBeingDragged = true; } } } else { if (yDiff > mTouchSlop) { direction = 0; mIsBeingDragged = true; } } if (mIsBeingDragged) { if (direction == 0) { // User velocity passed min velocity; trigger a refresh if (yDiff > mDistanceToTriggerSync) { state = RELEASE_TO_REFRESH; defaultText = releaseDownLabel; } else { state = PULL_TO_REFRESH; defaultText = pullDownLabel; } if (latestRefreshTime.equals("")) { latestRefreshTime = formatter.format(new Date()); } setProgressBarProperty(mTarget.getTop()); updateContentOffsetTop((int) yDiff >> 1); } else { if (-yDiff > mDistanceToTriggerSync) { state = RELEASE_TO_REFRESH; defaultText = releaseUpLabel; } else { state = PULL_TO_REFRESH; defaultText = pullUpLabel; } if (latestLoadTime.equals("")) { latestLoadTime = formatter.format(new Date()); } setProgressBarProperty(mTarget.getTop()); updateContentOffsetBottom((int) yDiff >> 1); } } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: final int mPointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (mPointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float mY = MotionEventCompat.getY(ev, mPointerIndex); final float mYDiff = mY - mInitialMotionY; if (!mIsBeingDragged && mYDiff > mTouchSlop) { mIsBeingDragged = true; } if (direction == 0) { if (mIsBeingDragged) { if (mYDiff > mDistanceToTriggerSync) { // User movement passed distance; trigger a refresh startRefresh(); } else { mReturnToStartPosition.run(); } } } else { if (mIsBeingDragged) { if (-mYDiff > mDistanceToTriggerSync) { // User movement passed distance; trigger a refresh startLoad(); } else { mReturnToStartPosition.run(); } } } case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mActivePointerId = INVALID_POINTER; return false; } return true; } catch (IllegalArgumentException e) { Log.e("error", e.getMessage()); return false; } }
From source file:cn.org.eshow.framwork.view.slidingmenu.CustomViewAbove.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (!mEnabled) return false; final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; if (DEBUG)//from w w w.ja v a 2s . co m if (action == MotionEvent.ACTION_DOWN) Log.v(TAG, "Received ACTION_DOWN"); if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP || (action != MotionEvent.ACTION_DOWN && mIsUnableToDrag)) { endDrag(); return false; } switch (action) { case MotionEvent.ACTION_MOVE: determineDrag(ev); break; case MotionEvent.ACTION_DOWN: int index = MotionEventCompat.getActionIndex(ev); mActivePointerId = MotionEventCompat.getPointerId(ev, index); if (mActivePointerId == INVALID_POINTER) break; mLastMotionX = mInitialMotionX = MotionEventCompat.getX(ev, index); mLastMotionY = MotionEventCompat.getY(ev, index); if (thisTouchAllowed(ev)) { mIsBeingDragged = false; mIsUnableToDrag = false; if (isMenuOpen() && mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getX() + mScrollX)) { mQuickReturn = true; } } else { mIsUnableToDrag = true; } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; } if (!mIsBeingDragged) { if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); } return mIsBeingDragged || mQuickReturn; }
From source file:com.example.mylibrary.widget.swipe.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/*from ww w . j a va 2 s . c o m*/ } if (!isEnabled() || mReturningToStart || canChildScrollUp()) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; break; case MotionEvent.ACTION_MOVE: { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE; if (mIsBeingDragged) { mProgress.showArrow(true); float originalDragPercent = overscrollTop / mTotalDragDistance; if (originalDragPercent < 0) { return false; } float dragPercent = Math.min(1f, Math.abs(originalDragPercent)); float adjustedPercent = (float) Math.max(dragPercent - .4, 0) * 5 / 3; float extraOS = Math.abs(overscrollTop) - mTotalDragDistance; float slingshotDist = mUsingCustomStart ? mSpinnerFinalOffset - mOriginalOffsetTop : mSpinnerFinalOffset; float tensionSlingshotPercent = Math.max(0, Math.min(extraOS, slingshotDist * 2) / slingshotDist); float tensionPercent = (float) ((tensionSlingshotPercent / 4) - Math.pow((tensionSlingshotPercent / 4), 2)) * 2f; float extraMove = (slingshotDist) * tensionPercent * 2; int targetY = mOriginalOffsetTop + (int) ((slingshotDist * dragPercent) + extraMove); // where 1.0f is a full circle if (mCircleView.getVisibility() != View.VISIBLE) { mCircleView.setVisibility(View.VISIBLE); } if (!mScale) { ViewCompat.setScaleX(mCircleView, 1f); ViewCompat.setScaleY(mCircleView, 1f); } if (overscrollTop < mTotalDragDistance) { if (mScale) { setAnimationProgress(overscrollTop / mTotalDragDistance); } if (mProgress.getAlpha() > STARTING_PROGRESS_ALPHA && !isAnimationRunning(mAlphaStartAnimation)) { // Animate the alpha startProgressAlphaStartAnimation(); } float strokeStart = adjustedPercent * .8f; mProgress.setStartEndTrim(0f, Math.min(MAX_PROGRESS_ANGLE, strokeStart)); mProgress.setArrowScale(Math.min(1f, adjustedPercent)); } else { if (mProgress.getAlpha() < MAX_ALPHA && !isAnimationRunning(mAlphaMaxAnimation)) { // Animate the alpha startProgressAlphaMaxAnimation(); } } float rotation = (-0.25f + .4f * adjustedPercent + tensionPercent * 2) * .5f; mProgress.setProgressRotation(rotation); setTargetOffsetTopAndBottom(targetY - mCurrentTargetOffsetTop, true /* requires update */); } break; } case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: { if (mActivePointerId == INVALID_POINTER) { if (action == MotionEvent.ACTION_UP) { Log.e(LOG_TAG, "Got ACTION_UP event but don't have an active pointer id."); } return false; } final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float y = MotionEventCompat.getY(ev, pointerIndex); final float overscrollTop = (y - mInitialMotionY) * DRAG_RATE; mIsBeingDragged = false; if (overscrollTop > mTotalDragDistance) { setRefreshing(true, true /* notify */); } else { // cancel refresh mRefreshing = false; mProgress.setStartEndTrim(0f, 0f); Animation.AnimationListener listener = null; if (!mScale) { listener = new Animation.AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { if (!mScale) { startScaleDownAnimation(null); } } @Override public void onAnimationRepeat(Animation animation) { } }; } animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener); mProgress.showArrow(false); } mActivePointerId = INVALID_POINTER; return false; } } return true; }
From source file:android.kectech.com.stylingactionbar.lib.SwipyRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();/*from www. j a v a2 s .com*/ 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 initialDownY = getMotionEventY(ev, mActivePointerId); if (initialDownY == -1) { return false; } mInitialDownY = initialDownY; 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 > mInitialDownY) { setRawDirection(SwipyRefreshLayoutDirection.TOP); } else if (y < mInitialDownY) { setRawDirection(SwipyRefreshLayoutDirection.BOTTOM); } if ((mDirection == SwipyRefreshLayoutDirection.BOTTOM && canChildScrollDown()) || (mDirection == SwipyRefreshLayoutDirection.TOP && canChildScrollUp())) { mInitialDownY = y; return false; } } float yDiff; switch (mDirection) { case BOTTOM: yDiff = mInitialDownY - y; break; case TOP: default: yDiff = y - mInitialDownY; break; } if (yDiff > mTouchSlop && !mIsBeingDragged) { switch (mDirection) { case BOTTOM: mInitialMotionY = mInitialDownY - mTouchSlop; break; case TOP: default: mInitialMotionY = mInitialDownY + mTouchSlop; break; } 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; }
From source file:com.peoit.android.studentuga.view.list.SwipyRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (!isScroll) { return false; }//w w w. j a v a 2s . c om 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 initialDownY = getMotionEventY(ev, mActivePointerId); if (initialDownY == -1) { return false; } mInitialDownY = initialDownY; 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 > mInitialDownY) { setRawDirection(SwipyRefreshLayoutDirection.TOP); } else if (y < mInitialDownY) { setRawDirection(SwipyRefreshLayoutDirection.BOTTOM); } if ((mDirection == SwipyRefreshLayoutDirection.BOTTOM && canChildScrollDown()) || (mDirection == SwipyRefreshLayoutDirection.TOP && canChildScrollUp())) { mInitialDownY = y; return false; } } float yDiff; switch (mDirection) { case BOTTOM: yDiff = mInitialDownY - y; break; case TOP: default: yDiff = y - mInitialDownY; break; } if (yDiff > mTouchSlop && !mIsBeingDragged) { switch (mDirection) { case BOTTOM: mInitialMotionY = mInitialDownY - mTouchSlop; break; case TOP: default: mInitialMotionY = mInitialDownY + mTouchSlop; break; } 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; }