List of usage examples for android.support.v4.view MotionEventCompat findPointerIndex
public static int findPointerIndex(MotionEvent event, int pointerId)
From source file:com.suyou.media.ui.widget.refresh.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/*from w w w .j av a 2s .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:com.peerless2012.twowaynestedscrollview.TwoWayNestedScrollView.java
@Override public boolean onTouchEvent(MotionEvent ev) { initVelocityTrackerIfNotExists();/*from w w w .ja va 2 s . c om*/ MotionEvent vtev = MotionEvent.obtain(ev); final int actionMasked = MotionEventCompat.getActionMasked(ev); if (actionMasked == MotionEvent.ACTION_DOWN) { mNestedYOffset = 0; mNestedXOffset = 0; } vtev.offsetLocation(mNestedXOffset, mNestedYOffset); switch (actionMasked) { case MotionEvent.ACTION_DOWN: { if (getChildCount() == 0) { return false; } if ((mIsBeingDragged = !mScroller.isFinished())) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } } /* * If being flinged and user touches, stop the fling. isFinished * will be false if being flinged. */ if (!mScroller.isFinished()) { mScroller.abortAnimation(); } // Remember where the motion event started mLastMotionX = (int) ev.getX(); mLastMotionY = (int) ev.getY(); mIsBeingDragged = false; mActivePointerId = MotionEventCompat.getPointerId(ev, 0); startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL); break; } case MotionEvent.ACTION_MOVE: final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (activePointerIndex == -1) { Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent"); break; } final int x = (int) MotionEventCompat.getX(ev, activePointerIndex); int deltaX = mLastMotionX - x; final int y = (int) MotionEventCompat.getY(ev, activePointerIndex); int deltaY = mLastMotionY - y; if (dispatchNestedPreScroll(deltaX, deltaY, mScrollConsumed, mScrollOffset)) { deltaX -= mScrollConsumed[0]; deltaY -= mScrollConsumed[1]; vtev.offsetLocation(mScrollOffset[0], mScrollOffset[1]); mNestedXOffset += mScrollOffset[0]; mNestedYOffset += mScrollOffset[1]; } if (!mIsBeingDragged) { if (Math.abs(deltaY) > mTouchSlop) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } mIsBeingDragged = true; if (deltaY > 0) { deltaY -= mTouchSlop; } else { deltaY += mTouchSlop; } scrollDirection = DIRECTION_VERTICAL; } else if (Math.abs(deltaX) > mTouchSlop) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } mIsBeingDragged = true; if (deltaX > 0) { deltaX -= mTouchSlop; } else { deltaX += mTouchSlop; } scrollDirection = DIRECTION_HORIZONTAL; } else { scrollDirection = DIRECTION_INVALIDATE; } } if (mIsBeingDragged && scrollDirection != DIRECTION_INVALIDATE) { if (scrollDirection == DIRECTION_VERTICAL) { // Scroll to follow the motion event mLastMotionY = y - mScrollOffset[1]; final int oldY = getScrollY(); final int horizontalRange = getHorizontalScrollRange(); final int verticalRange = getVerticalScrollRange(); final int overscrollMode = ViewCompat.getOverScrollMode(this); boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && verticalRange > 0); // Calling overScrollByCompat will call onOverScrolled, which // calls onScrollChanged if applicable. if (overScrollByCompat(0, deltaY, getScrollX(), getScrollY(), horizontalRange, verticalRange, 0, 0, true) && !hasNestedScrollingParent()) { // Break our velocity if we hit a scroll barrier. mVelocityTracker.clear(); } final int scrolledDeltaY = getScrollY() - oldY; final int unconsumedY = deltaY - scrolledDeltaY; if (dispatchNestedScroll(0, scrolledDeltaY, 0, unconsumedY, mScrollOffset)) { mLastMotionY -= mScrollOffset[1]; vtev.offsetLocation(0, mScrollOffset[1]); mNestedYOffset += mScrollOffset[1]; } else if (canOverscroll) { ensureGlows(); final int pulledToY = oldY + deltaY; if (pulledToY < 0) { mEdgeGlowTop.onPull((float) deltaY / getHeight(), MotionEventCompat.getX(ev, activePointerIndex) / getWidth()); if (!mEdgeGlowBottom.isFinished()) { mEdgeGlowBottom.onRelease(); } } else if (pulledToY > verticalRange) { mEdgeGlowBottom.onPull((float) deltaY / getHeight(), 1.f - MotionEventCompat.getX(ev, activePointerIndex) / getWidth()); if (!mEdgeGlowTop.isFinished()) { mEdgeGlowTop.onRelease(); } } if (mEdgeGlowTop != null && (!mEdgeGlowTop.isFinished() || !mEdgeGlowBottom.isFinished())) { ViewCompat.postInvalidateOnAnimation(this); } } } else if (scrollDirection == DIRECTION_HORIZONTAL) { // Scroll to follow the motion event mLastMotionX = x - mScrollOffset[0]; final int oldX = getScrollX(); final int horizontalRange = getHorizontalScrollRange(); final int verticalRange = getVerticalScrollRange(); final int overscrollMode = ViewCompat.getOverScrollMode(this); boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && horizontalRange > 0); // Calling overScrollByCompat will call onOverScrolled, which // calls onScrollChanged if applicable. if (overScrollByCompat(deltaX, 0, getScrollX(), getScrollY(), horizontalRange, verticalRange, 0, 0, true) && !hasNestedScrollingParent()) { // Break our velocity if we hit a scroll barrier. mVelocityTracker.clear(); } final int scrolledDeltaX = getScrollX() - oldX; final int unconsumedX = deltaX - scrolledDeltaX; if (dispatchNestedScroll(scrolledDeltaX, 0, unconsumedX, 0, mScrollOffset)) { mLastMotionX -= mScrollOffset[0]; vtev.offsetLocation(mScrollOffset[0], 0); mNestedXOffset += mScrollOffset[0]; } else if (canOverscroll) { ensureGlows(); final int pulledToX = oldX + deltaX; if (pulledToX < 0) { mEdgeGlowLeft.onPull((float) deltaX / getWidth(), MotionEventCompat.getX(ev, activePointerIndex) / getHeight()); if (!mEdgeGlowRight.isFinished()) { mEdgeGlowRight.onRelease(); } } else if (pulledToX > horizontalRange) { mEdgeGlowRight.onPull((float) deltaX / getWidth(), 1.f - MotionEventCompat.getX(ev, activePointerIndex) / getHeight()); if (!mEdgeGlowLeft.isFinished()) { mEdgeGlowLeft.onRelease(); } } if (mEdgeGlowLeft != null && (!mEdgeGlowLeft.isFinished() || !mEdgeGlowRight.isFinished())) { ViewCompat.postInvalidateOnAnimation(this); } } } } break; case MotionEvent.ACTION_UP: if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int verticalInitialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId); int horizontalInitialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); if (scrollDirection == DIRECTION_VERTICAL) { if ((Math.abs(verticalInitialVelocity) > mMinimumVelocity)) { flingWithNestedDispatchVertical(-verticalInitialVelocity); } } else if (scrollDirection == DIRECTION_HORIZONTAL) { if ((Math.abs(horizontalInitialVelocity) > mMinimumVelocity)) { flingWithNestedDispatchHorizontal(-horizontalInitialVelocity); } } mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEvent.ACTION_CANCEL: if (mIsBeingDragged && getChildCount() > 0) { mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionX = (int) MotionEventCompat.getX(ev, index); mLastMotionY = (int) MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionX = (int) MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); mLastMotionY = (int) MotionEventCompat.getY(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (mVelocityTracker != null) { mVelocityTracker.addMovement(vtev); } vtev.recycle(); return true; }
From source file:com.ray.appchallenge.view.SwipeRefreshLayoutBottom.java
@Override public boolean onTouchEvent(final MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;// w ww . j av a 2 s . c om } // if (!isEnabled() || mReturningToStart || canChildScrollUp()) { if (!isEnabled() || mReturningToStart || canChildScrollDown()) { // TODO // 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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; // TODO 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); 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 = (float) (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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; // TODO 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(final Animation animation) { } @Override public void onAnimationEnd(final Animation animation) { if (!mScale) { startScaleDownAnimation(null); } } @Override public void onAnimationRepeat(final Animation animation) { } }; } animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener); mProgress.showArrow(false); } mActivePointerId = INVALID_POINTER; return false; } } return true; }
From source file:com.quanliren.quan_one.pull.swipe.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/*from w w w . j ava 2 s . c om*/ } 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); AnimatorListenerAdapter listener = null; if (!mScale) { listener = new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { animation.removeListener(this); if (!mScale) { startScaleDownAnimation(null); } } }; } animateOffsetToStartPosition(mCurrentTargetOffsetTop, listener); mProgress.showArrow(false); } mActivePointerId = INVALID_POINTER; return false; } } return true; }
From source file:com.hiyjeain.android.DevBase.widget.ReverseSwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { // Garrett: If the Circle is returning to start position, // and the user touch down the screen. // Stop returning? mReturningToStart = false;/* w w w.ja v a 2s.c o m*/ } if (!isEnabled() || mReturningToStart || canChildScrollDown()) { // 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 = (mInitialMotionY - y) * DRAG_RATE; if (mIsBeingDragged) { mProgress.showArrow(true); // Garrett: TODO 1 start 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); // Garrett: TODO 1 end // 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 = (float) (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 = (mInitialMotionY - y) * 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.icloud.listenbook.base.view.DraggableGridViewPager.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { /*/*from www.j a va 2 s . co m*/ * This method JUST determines whether we want to intercept the motion. * If we return true, onMotionEvent will be called and we do the actual * scrolling there. */ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; // Always take care of the touch gesture being complete. // ? ?? if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { // Release the drag. DEBUG_LOG("Intercept done!"); mIsBeingDragged = false; mIsUnableToDrag = false; mActivePointerId = INVALID_POINTER; if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } return false; } // Nothing more to do here if we have decided whether or not we // are dragging. /* * ??,? */ if (action != MotionEvent.ACTION_DOWN) { if (mIsBeingDragged || mLastDragged >= 0) { DEBUG_LOG("Intercept returning true!"); return true; } if (mIsUnableToDrag) { DEBUG_LOG("Intercept returning false!"); return false; } } switch (action) { case MotionEvent.ACTION_MOVE: { /* * mIsBeingDragged == false, otherwise the shortcut would have * caught it. Check whether the user has moved far enough from his * original down touch. */ /* * Locally do absolute value. mLastMotionY is set to the y value of * the down event. */ final int activePointerId = mActivePointerId; if (activePointerId == INVALID_POINTER) { // If we don't have a valid id, the touch down wasn't on // content. break; } final int pointerIndex = MotionEventCompat.findPointerIndex(ev, activePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float dx = x - mLastMotionX; final float xDiff = Math.abs(dx); final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = Math.abs(y - mInitialMotionY); DEBUG_LOG("***Moved to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff * 0.5f > yDiff) { DEBUG_LOG("***Starting drag!"); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); setScrollState(SCROLL_STATE_DRAGGING); mLastMotionX = dx > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop; mLastMotionY = y; setScrollingCacheEnabled(true); } else if (yDiff > mTouchSlop) { // The finger has moved enough in the vertical // direction to be counted as a drag... abort // any attempt to drag horizontally, to work correctly // with children that have scrolling containers. DEBUG_LOG("***Unable to drag!"); mIsUnableToDrag = true; } if (mIsBeingDragged) { // Scroll to follow the motion event if (performDrag(x)) { ViewCompat.postInvalidateOnAnimation(this); } } break; } case MotionEvent.ACTION_DOWN: { /* * Remember location of down touch. ACTION_DOWN always refers to * pointer index 0. */ // ? mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsUnableToDrag = false; mScroller.computeScrollOffset(); /* * mScroller ?? ? */ if (mScrollState == SCROLL_STATE_SETTLING && Math.abs(mScroller.getFinalX() - mScroller.getCurrX()) > mCloseEnough) { // Let the user 'catch' the pager as it animates. mScroller.abortAnimation(); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); setScrollState(SCROLL_STATE_DRAGGING); } else { completeScroll(false); mIsBeingDragged = false; } DEBUG_LOG("***Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + " mIsUnableToDrag=" + mIsUnableToDrag); mLastDragged = -1; break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } // mVelocityTracker.addMovement(ev); /* * ??? */ /* * The only time we want to intercept motion events is if we are in the * drag mode. */ return mIsBeingDragged; }
From source file:com.ds.yam3ah.yam3ah.SwipeRefreshLayoutBottom.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;// w w w.j a v a 2 s. c o m } //if (!isEnabled() || mReturningToStart || canChildScrollUp()) { if (!isEnabled() || mReturningToStart || canChildScrollDown()) { // TODO // 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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; // TODO 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); 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 = (float) (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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; //TODO 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.stella.pals.views.custom.SwipeRefreshLayoutBottom.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/*from w w w . ja v a 2 s.c o m*/ } //if (!isEnabled() || mReturningToStart || canChildScrollUp()) { if (!isEnabled() || mReturningToStart || canChildScrollDown()) { // TODO // 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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; // TODO 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); 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 = (float) (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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; //TODO 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:anabolicandroids.chanobol.util.swipebottom.SwipeRefreshLayoutBottom.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;//from w ww . j av a 2s . c o m } //if (!isEnabled() || mReturningToStart || canChildScrollUp()) { if (!isEnabled() || mReturningToStart || canChildScrollDown()) { // TODO // 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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; // TODO 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); 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 = (float) (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; final float overscrollTop = (mInitialMotionY - y) * DRAG_RATE; //TODO 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:com.example.adminstrator.pullrefresh.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mRefreshing || mLoading) { return true; }/*from w ww .j a v a2 s .c o m*/ 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; } switch (action) { case MotionEvent.ACTION_DOWN: mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; mCurrPercentage = 0; mStartPoint = mInitialMotionY; 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; final float yDiff = y - mStartPoint; if ((mLastDirection == Mode.PULL_FROM_START && yDiff < 0) || (mLastDirection == Mode.PULL_FROM_END && yDiff > 0)) { return true; } if (!mIsBeingDragged && (yDiff > 0 && mLastDirection == Mode.PULL_FROM_START) || (yDiff < 0 && mLastDirection == Mode.PULL_FROM_END)) { mIsBeingDragged = true; } if (mIsBeingDragged) { // User velocity passed min velocity; trigger a refresh if (yDiff > mDistanceToTriggerSync) { // User movement passed distance; trigger a refresh if (mLastDirection == Mode.PULL_FROM_END) { return true; } if ((mMode == Mode.PULL_FROM_START) || (mMode == Mode.BOTH)) { mLastDirection = Mode.PULL_FROM_START; // startRefresh(); canPullRefresh = true; mProgressBar.setState(PULL_DOWN, PULL_CAN_REFRESH); } } else if (-yDiff > mDistanceToTriggerSync) { if ((!up && !down && !loadNoFull) || mLastDirection == Mode.PULL_FROM_START) { return true; } if ((mMode == Mode.PULL_FROM_END) || (mMode == Mode.BOTH)) { mLastDirection = Mode.PULL_FROM_END; mProgressBarBottom.setState(PULL_UP, PULL_CAN_REFRESH); canPullLoad = true; //startLoad(); } } else { mProgressBar.setState(PULL_DOWN, PULL_START); mProgressBarBottom.setState(PULL_UP, PULL_START); canPullRefresh = false; canPullLoad = false; } if (!up && !down && yDiff < 0 && !loadNoFull) { return true; } // Just track the user's movement //??? updateContentOffsetTop((int) yDiff); if (mTarget.getTop() == getPaddingTop()) { // If the user puts the view back at the top, we // don't need to. This shouldn't be considered // cancelling the gesture as the user can restart from the top. removeCallbacks(mCancel); mLastDirection = Mode.DISABLED; } else { mDirection = (yDiff > 0 ? 1 : -1); // updatePositionTimeout(); } // } mLastMotionY = y; } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mCurrPercentage = 0; mActivePointerId = INVALID_POINTER; mLastDirection = Mode.DISABLED; final int index = MotionEventCompat.getActionIndex(ev); float upY = MotionEventCompat.getY(ev, index); if (canPullRefresh) { //animationOffsetToTriggerRefresPosition(mCurrentTargetOffsetTop + getPaddingTop()); setTargetOffsetTopAndBottom( (int) (mDistanceToTriggerSync - mCurrentTargetOffsetTop - getPaddingTop())); startRefresh(); } else if (canPullLoad) { setTargetOffsetTopAndBottom((int) (mStartPoint - upY - mDistanceToTriggerSync)); startLoad(); } else { updatePositionTimeout1(); } return false; } return true; }