List of usage examples for android.support.v4.view MotionEventCompat getPointerId
public static int getPointerId(MotionEvent event, int pointerIndex)
From source file:com.github.ppamorim.cult.CultView.java
/** * Override method to intercept only touch events over the drag view and to cancel the drag when * the action associated to the MotionEvent is equals to ACTION_CANCEL or ACTION_UP. * * @param ev captured.// ww w . j ava 2 s .c om * @return true if the view is going to process the touch event or false if not. */ @Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (!isEnabled()) { return false; } switch (MotionEventCompat.getActionMasked(ev)) { case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: dragHelper.cancel(); return false; case MotionEvent.ACTION_DOWN: int index = MotionEventCompat.getActionIndex(ev); activePointerId = MotionEventCompat.getPointerId(ev, index); if (activePointerId == INVALID_POINTER) { return false; } default: dragHelper.processTouchEvent(ev); return dragHelper.shouldInterceptTouchEvent(ev); } }
From source file:com.iangclifton.auid.horizontaliconview.HorizontalIconView.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); }/*w ww . ja v a 2 s . co m*/ mVelocityTracker.addMovement(ev); final int action = MotionEventCompat.getActionMasked(ev); switch (action) { case MotionEvent.ACTION_DOWN: { if (!mScroller.isFinished()) { mScroller.abortAnimation(); } // Remember where the motion event started mPreviousX = (int) MotionEventCompat.getX(ev, 0); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); break; } case MotionEvent.ACTION_MOVE: { final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (activePointerIndex == INVALID_POINTER) { Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent"); break; } final int x = (int) MotionEventCompat.getX(ev, 0); int deltaX = (int) (mPreviousX - x); if (!mIsBeingDragged && Math.abs(deltaX) > mTouchSlop) { mIsBeingDragged = true; if (deltaX > 0) { deltaX -= mTouchSlop; } else { deltaX += mTouchSlop; } } if (mIsBeingDragged) { // Scroll to follow the motion event mPreviousX = x; final int oldX = getScrollX(); final int range = mScrollRange; if (overScrollBy(deltaX, 0, oldX, 0, range, 0, mOverscrollDistance, 0, true)) { // Break our velocity if we hit a scroll barrier. mVelocityTracker.clear(); } if (mEdgeEffectLeft != null) { final int pulledToX = oldX + deltaX; if (pulledToX < 0) { mEdgeEffectLeft.onPull((float) deltaX / getWidth()); if (!mEdgeEffectRight.isFinished()) { mEdgeEffectRight.onRelease(); } } else if (pulledToX > range) { mEdgeEffectRight.onPull((float) deltaX / getWidth()); if (!mEdgeEffectLeft.isFinished()) { mEdgeEffectLeft.onRelease(); } } if (!mEdgeEffectLeft.isFinished() || !mEdgeEffectRight.isFinished()) { postInvalidateOnAnimation(); } } } break; } case MotionEvent.ACTION_UP: { if (mIsBeingDragged) { mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) mVelocityTracker.getXVelocity(mActivePointerId); if ((Math.abs(initialVelocity) > mMinimumVelocity)) { fling(-initialVelocity); } else { if (mScroller.springBack(getScrollX(), 0, 0, mScrollRange, 0, 0)) { postInvalidateOnAnimation(); } } mActivePointerId = INVALID_POINTER; mIsBeingDragged = false; mVelocityTracker.recycle(); mVelocityTracker = null; if (mEdgeEffectLeft != null) { mEdgeEffectLeft.onRelease(); mEdgeEffectRight.onRelease(); } } else { // Was not being dragged, was this a press on an icon? final int activePointerIndex = ev.findPointerIndex(mActivePointerId); if (activePointerIndex == INVALID_POINTER) { return false; } final int x = (int) ev.getX(activePointerIndex) + getScrollX(); final int y = (int) ev.getY(activePointerIndex); int i = 0; for (Rect rect : mIconPositions) { if (rect.contains(x, y)) { final int position = i + mSkippedIconCount; Toast.makeText(getContext(), "Pressed icon " + position + "; rect count: " + mIconPositions.size(), Toast.LENGTH_SHORT).show(); break; } i++; } } break; } case MotionEvent.ACTION_CANCEL: { if (mIsBeingDragged) { if (mScroller.springBack(getScrollX(), 0, 0, mScrollRange, 0, 0)) { postInvalidateOnAnimation(); } mActivePointerId = INVALID_POINTER; mIsBeingDragged = false; if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } if (mEdgeEffectLeft != null) { mEdgeEffectLeft.onRelease(); mEdgeEffectRight.onRelease(); } } break; } case MotionEvent.ACTION_POINTER_UP: { onSecondaryPointerUp(ev); break; } } return true; }
From source file:com.android.ex.photo.PhotoViewPager.java
/** * {@inheritDoc}//from w w w. j a va2 s . c o m * <p> * We intercept touch event intercepts so we can prevent switching views when the * current view is internally scrollable. */ @Override public boolean onInterceptTouchEvent(MotionEvent ev) { final InterceptType intercept = (mListener != null) ? mListener.onTouchIntercept(mActivatedX, mActivatedY) : InterceptType.NONE; final boolean ignoreScrollLeft = (intercept == InterceptType.BOTH || intercept == InterceptType.LEFT); final boolean ignoreScrollRight = (intercept == InterceptType.BOTH || intercept == InterceptType.RIGHT); // Only check ability to page if we can't scroll in one / both directions final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { mActivePointerId = INVALID_POINTER; } switch (action) { case MotionEvent.ACTION_MOVE: { if (ignoreScrollLeft || ignoreScrollRight) { 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); if (ignoreScrollLeft && ignoreScrollRight) { mLastMotionX = x; return false; } else if (ignoreScrollLeft && (x > mLastMotionX)) { mLastMotionX = x; return false; } else if (ignoreScrollRight && (x < mLastMotionX)) { mLastMotionX = x; return false; } } break; } case MotionEvent.ACTION_DOWN: { mLastMotionX = ev.getX(); // Use the raw x/y as the children can be located anywhere and there isn't a // single offset that would be meaningful mActivatedX = ev.getRawX(); mActivatedY = ev.getRawY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); break; } case MotionEventCompat.ACTION_POINTER_UP: { final int pointerIndex = MotionEventCompat.getActionIndex(ev); final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex); if (pointerId == mActivePointerId) { // Our active pointer going up; select a new active pointer final int newPointerIndex = pointerIndex == 0 ? 1 : 0; mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex); mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex); } break; } } return super.onInterceptTouchEvent(ev); }
From source file:com.github.ppamorim.dragger.DraggerView.java
/** * Detect the type of motion event (like touch) * at the DraggerView, this can be a simple * detector of the touch, not the listener ifself. * * @param ev Event of MotionEvent/*w ww. ja va 2 s. c o m*/ * @return View is touched */ @Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (!isEnabled() || !canSlide()) { return false; } final int action = MotionEventCompat.getActionMasked(ev); switch (action) { case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: dragHelper.cancel(); return false; case MotionEvent.ACTION_DOWN: int index = MotionEventCompat.getActionIndex(ev); activePointerId = MotionEventCompat.getPointerId(ev, index); if (activePointerId == INVALID_POINTER) { return false; } default: return dragHelper.shouldInterceptTouchEvent(ev); } }
From source file:com.lowworker.android.views.custom_views.photo.PhotoViewPager.java
/** * {@inheritDoc}//from w w w . j ava 2 s . com * <p/> * We intercept touch event intercepts so we can prevent switching views when the * current view is internally scrollable. */ @Override public boolean onInterceptTouchEvent(MotionEvent ev) { final InterceptType intercept = (mListener != null) ? mListener.onTouchIntercept(mActivatedX, mActivatedY) : InterceptType.NONE; final boolean ignoreScrollLeft = (intercept == InterceptType.BOTH || intercept == InterceptType.LEFT); final boolean ignoreScrollRight = (intercept == InterceptType.BOTH || intercept == InterceptType.RIGHT); // Only check ability to page if we can't scroll in one / both directions final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { mActivePointerId = INVALID_POINTER; } switch (action) { case MotionEvent.ACTION_MOVE: { if (ignoreScrollLeft || ignoreScrollRight) { 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); if (ignoreScrollLeft && ignoreScrollRight) { mLastMotionX = x; return false; } else if (ignoreScrollLeft && (x > mLastMotionX)) { mLastMotionX = x; return false; } else if (ignoreScrollRight && (x < mLastMotionX)) { mLastMotionX = x; return false; } } break; } case MotionEvent.ACTION_DOWN: { mLastMotionX = ev.getX(); // Use the raw x/y as the children can be located anywhere and there isn't a // single offset that would be meaningful mActivatedX = ev.getRawX(); mActivatedY = ev.getRawY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); break; } case MotionEventCompat.ACTION_POINTER_UP: { final int pointerIndex = MotionEventCompat.getActionIndex(ev); final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex); if (pointerId == mActivePointerId) { // Our active pointer going up; select a new active pointer final int newPointerIndex = pointerIndex == 0 ? 1 : 0; mLastMotionX = MotionEventCompat.getX(ev, newPointerIndex); mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex); } break; } } return super.onInterceptTouchEvent(ev); }
From source file:com.github.ppamorim.cult.CultView.java
/** * Override method to dispatch touch/*from w w w. j a v a 2s .c o m*/ * event to the dragged view. * * @param ev captured. * @return true if the touch event is realized over the drag. */ @Override public boolean onTouchEvent(MotionEvent ev) { int actionMasked = MotionEventCompat.getActionMasked(ev); if ((actionMasked & MotionEventCompat.ACTION_MASK) == MotionEvent.ACTION_DOWN) { activePointerId = MotionEventCompat.getPointerId(ev, actionMasked); } if (activePointerId == INVALID_POINTER) { return false; } dragHelper.processTouchEvent(ev); return ViewUtil.isViewHit(this, contentOut, (int) ev.getX(), (int) ev.getY()); }
From source file:com.lyric.indicator.UnderlinePageIndicator.java
public boolean onTouchEvent(MotionEvent ev) { if (super.onTouchEvent(ev)) { return true; }/*from w w w . j a v a 2s . c o m*/ 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; }
From source file:com.base.app.widget.indicatorview.UnderlinePageIndicator.java
public boolean onTouchEvent(MotionEvent ev) { if (super.onTouchEvent(ev)) { return true; }/*from ww w . j a va 2 s. co m*/ 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; }
From source file:com.benefit.buy.library.viewpagerindicator.UnderlinePageIndicator.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (super.onTouchEvent(ev)) { return true; }/* w w w .j a va2 s .c o m*/ 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; }
From source file:com.aosijia.dragonbutler.ui.widget.UnderlinePageIndicator.java
@SuppressLint("ClickableViewAccessibility") public boolean onTouchEvent(MotionEvent ev) { if (super.onTouchEvent(ev)) { return true; }//from ww w.jav a 2 s . c om 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; }