Program: 79784
Project: 79784
Buggy source:
public boolean onInterceptTouchEvent(MotionEvent ev){
  final int action=ev.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
    mDragging=false;
  mLongPressSent=false;
mCurrView=mCallback.getChildAtPosition(ev);
mVelocityTracker.clear();
if (mCurrView != null) {
mCurrAnimView=mCallback.getChildContentView(mCurrView);
mCanCurrViewBeDimissed=mCallback.canChildBeDismissed(mCurrView);
mVelocityTracker.addMovement(ev);
mInitialTouchPos=getPos(ev);
if (mLongPressListener != null) {
if (mWatchLongPress == null) {
  mWatchLongPress=new Runnable(){
    @Override public void run(){
      if (mCurrView != null && !mLongPressSent) {
        mLongPressSent=true;
        mCurrView.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_LONG_CLICKED);
        mLongPressListener.onLongClick(mCurrView);
      }
    }
  }
;
}
mHandler.postDelayed(mWatchLongPress,mLongPressTimeout);
}
if (mShowContentRunnable == null) {
mShowContentRunnable=new Runnable(){
  @Override public void run(){
    mCallback.onShowContentActionDetected();
  }
}
;
}
mHandler.postDelayed(mShowContentRunnable,SHOW_CONTENT_TIMEOUT);
}
break;
case MotionEvent.ACTION_MOVE:
if (mCurrView != null && !mLongPressSent) {
mVelocityTracker.addMovement(ev);
float pos=getPos(ev);
float delta=pos - mInitialTouchPos;
if (Math.abs(delta) > mPagingTouchSlop) {
mCallback.onBeginDrag(mCurrView);
mDragging=true;
mInitialTouchPos=getPos(ev) - getTranslation(mCurrAnimView);
removeLongPressCallback();
}
}
removeShowContentCallback();
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mDragging=false;
mCurrView=null;
mCurrAnimView=null;
mLongPressSent=false;
removeLongPressCallback();
removeShowContentCallback();
break;
}
return mDragging;
}

Fixed version (ground truth):
public boolean onInterceptTouchEvent(MotionEvent ev){
  final int action=ev.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
    mDragging=false;
  mLongPressSent=false;
mCurrView=mCallback.getChildAtPosition(ev);
mVelocityTracker.clear();
if (mCurrView != null) {
mCurrAnimView=mCallback.getChildContentView(mCurrView);
mCanCurrViewBeDimissed=mCallback.canChildBeDismissed(mCurrView);
mVelocityTracker.addMovement(ev);
mInitialTouchPos=getPos(ev);
if (mLongPressListener != null) {
if (mWatchLongPress == null) {
  mWatchLongPress=new Runnable(){
    @Override public void run(){
      if (mCurrView != null && !mLongPressSent) {
        mLongPressSent=true;
        mCurrView.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_LONG_CLICKED);
        mLongPressListener.onLongClick(mCurrView);
      }
    }
  }
;
}
mHandler.postDelayed(mWatchLongPress,mLongPressTimeout);
}
if (mShowContentRunnable == null) {
mShowContentRunnable=new Runnable(){
  @Override public void run(){
    mCallback.onShowContentActionDetected();
  }
}
;
}
mHandler.postDelayed(mShowContentRunnable,SHOW_CONTENT_TIMEOUT);
}
break;
case MotionEvent.ACTION_MOVE:
if (mCurrView != null && !mLongPressSent) {
mVelocityTracker.addMovement(ev);
float pos=getPos(ev);
float delta=pos - mInitialTouchPos;
if (Math.abs(delta) > mPagingTouchSlop) {
mCallback.onBeginDrag(mCurrView);
mDragging=true;
mInitialTouchPos=getPos(ev) - getTranslation(mCurrAnimView);
removeLongPressCallback();
removeShowContentCallback();
}
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mDragging=false;
mCurrView=null;
mCurrAnimView=null;
mLongPressSent=false;
removeLongPressCallback();
removeShowContentCallback();
break;
}
return mDragging;
}