Examples with NestedScrollView android.support.v4.widget.NestedScrollView used on opensource projects

Example 11 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project materialistic by hidroh.

the class WebFragmentTest method testScrollToTop.

@Config(shadows = ShadowNestedScrollView.class)
@Test
public void testScrollToTop() {
    NestedScrollView scrollView = (NestedScrollView) activity.findViewById(R.id.nested_scroll_view);
    scrollView.smoothScrollTo(0, 1);
    assertThat(customShadowOf(scrollView).getSmoothScrollY()).isEqualTo(1);
    activity.fragment.scrollToTop();
    assertThat(customShadowOf(scrollView).getSmoothScrollY()).isEqualTo(0);
}

Example 12 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project materialistic by hidroh.

the class ReadabilityFragmentTest method testScrollToTop.

@Config(shadows = ShadowNestedScrollView.class)
@Test
public void testScrollToTop() {
    NestedScrollView scrollView = (NestedScrollView) activity.findViewById(R.id.nested_scroll_view);
    scrollView.smoothScrollTo(0, 1);
    assertThat(customShadowOf(scrollView).getSmoothScrollY()).isEqualTo(1);
    fragment.scrollToTop();
    assertThat(customShadowOf(scrollView).getSmoothScrollY()).isEqualTo(0);
    controller.pause().stop().destroy();
}

Example 13 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project android-advancedrecyclerview by h6ah4i.

the class RecyclerViewDragDropManager method handleScrollOnDraggingInternalWithNestedScrollView.

private void handleScrollOnDraggingInternalWithNestedScrollView(RecyclerView rv, boolean horizontal) {
    NestedScrollView nestedScrollView = mNestedScrollView;
    int nestedScrollViewScrollOffsetX = nestedScrollView.getScrollX();
    int nestedScrollViewScrollOffsetY = nestedScrollView.getScrollY();
    Rect rect = new Rect();
    rect.left = rect.right = getLastTouchX();
    rect.top = rect.bottom = getLastTouchY();
    offsetDescendantRectToAncestorCoords(mRecyclerView, nestedScrollView, rect);
    int nestedScrollViewTouchX = rect.left - nestedScrollViewScrollOffsetX;
    int nestedScrollViewTouchY = rect.top - nestedScrollViewScrollOffsetY;
    final int edge = (horizontal) ? nestedScrollView.getWidth() : nestedScrollView.getHeight();
    final float invEdge = (1.0f / edge);
    final float normalizedTouchPos = (horizontal ? nestedScrollViewTouchX : nestedScrollViewTouchY) * invEdge;
    final float threshold = SCROLL_THRESHOLD;
    final float invThreshold = (1.0f / threshold);
    final float centerOffset = normalizedTouchPos - 0.5f;
    final float absCenterOffset = Math.abs(centerOffset);
    final float acceleration = Math.max(0.0f, threshold - (0.5f - absCenterOffset)) * invThreshold;
    final int mask = mScrollDirMask;
    int scrollAmount = (int) Math.signum(centerOffset) * (int) (SCROLL_AMOUNT_COEFF * mDragEdgeScrollSpeed * mDisplayDensity * acceleration + 0.5f);
    // apply mask
    if (scrollAmount > 0) {
        if ((mask & (horizontal ? SCROLL_DIR_RIGHT : SCROLL_DIR_DOWN)) == 0) {
            scrollAmount = 0;
        }
    } else if (scrollAmount < 0) {
        if ((mask & (horizontal ? SCROLL_DIR_LEFT : SCROLL_DIR_UP)) == 0) {
            scrollAmount = 0;
        }
    }
    // scroll
    if (scrollAmount != 0) {
        safeEndAnimationsIfRequired(rv);
        if (horizontal) {
            nestedScrollView.scrollBy(scrollAmount, 0);
        } else {
            nestedScrollView.scrollBy(0, scrollAmount);
        }
    }
    final boolean updated = mDraggingItemDecorator.update(getLastTouchX(), getLastTouchY(), false);
    if (updated) {
        if (mSwapTargetItemOperator != null) {
            mSwapTargetItemOperator.update(mDraggingItemDecorator.getDraggingItemTranslationX(), mDraggingItemDecorator.getDraggingItemTranslationY());
        }
        // check swapping
        checkItemSwapping(rv);
        onItemMoveDistanceUpdated();
    }
}

Example 14 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project android-advancedrecyclerview by h6ah4i.

the class RecyclerViewDragDropManager method startDragging.

@SuppressWarnings("unchecked")
private void startDragging(RecyclerView rv, MotionEvent e, RecyclerView.ViewHolder holder, ItemDraggableRange range, AdapterPath path, int wrappedItemPosition, Object composedAdapterTag) {
    safeEndAnimation(rv, holder);
    mHandler.cancelLongPressDetection();
    mDraggingItemInfo = new DraggingItemInfo(rv, holder, mLastTouchX, mLastTouchY);
    mDraggingItemViewHolder = holder;
    // XXX if setIsRecyclable() is used, another view holder objects will be created
    // which has the same ID with currently dragging item... Not works as expected.
    // holder.setIsRecyclable(false);
    mDraggableRange = range;
    mRootDraggableRange = convertToRootAdapterRange(path, mDraggableRange);
    NestedScrollView nestedScrollView = findAncestorNestedScrollView(mRecyclerView);
    if (nestedScrollView != null && !mRecyclerView.isNestedScrollingEnabled()) {
        mNestedScrollView = nestedScrollView;
    } else {
        mNestedScrollView = null;
    }
    mOrigOverScrollMode = rv.getOverScrollMode();
    rv.setOverScrollMode(View.OVER_SCROLL_NEVER);
    mLastTouchX = (int) (e.getX() + 0.5f);
    mLastTouchY = (int) (e.getY() + 0.5f);
    mNestedScrollViewScrollX = (mNestedScrollView != null) ? mNestedScrollView.getScrollX() : 0;
    mNestedScrollViewScrollY = (mNestedScrollView != null) ? mNestedScrollView.getScrollY() : 0;
    // disable auto scrolling until user moves the item
    mDragStartTouchY = mDragMinTouchY = mDragMaxTouchY = mLastTouchY;
    mDragStartTouchX = mDragMinTouchX = mDragMaxTouchX = mLastTouchX;
    mScrollDirMask = SCROLL_DIR_NONE;
    mCurrentItemMoveMode = mItemMoveMode;
    mComposedAdapterTag = composedAdapterTag;
    mRecyclerView.getParent().requestDisallowInterceptTouchEvent(true);
    startScrollOnDraggingProcess();
    // raise onDragItemStarted() event
    mWrapperAdapter.onDragItemStarted(mDraggingItemInfo, holder, mDraggableRange, wrappedItemPosition, mCurrentItemMoveMode);
    // setup decorators
    mWrapperAdapter.onBindViewHolder(holder, wrappedItemPosition);
    mDraggingItemDecorator = new DraggingItemDecorator(mRecyclerView, holder, mRootDraggableRange);
    mDraggingItemDecorator.setShadowDrawable(mShadowDrawable);
    mDraggingItemDecorator.setupDraggingItemEffects(mDraggingItemEffectsInfo);
    mDraggingItemDecorator.start(mDraggingItemInfo, mLastTouchX, mLastTouchY);
    final int layoutType = CustomRecyclerViewUtils.getLayoutType(mRecyclerView);
    if (supportsViewTranslation() && !mCheckCanDrop && CustomRecyclerViewUtils.isLinearLayout(layoutType)) {
        mSwapTargetItemOperator = new SwapTargetItemOperator(mRecyclerView, holder, mDraggingItemInfo);
        mSwapTargetItemOperator.setSwapTargetTranslationInterpolator(mSwapTargetTranslationInterpolator);
        mSwapTargetItemOperator.start();
        mSwapTargetItemOperator.update(mDraggingItemDecorator.getDraggingItemTranslationX(), mDraggingItemDecorator.getDraggingItemTranslationY());
    }
    if (mEdgeEffectDecorator != null) {
        mEdgeEffectDecorator.reorderToTop();
    }
    if (mItemDragEventListener != null) {
        mItemDragEventListener.onItemDragStarted(mWrapperAdapter.getDraggingItemInitialPosition());
        mItemDragEventListener.onItemDragMoveDistanceUpdated(0, 0);
    }
}

Example 15 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project smooth-app-bar-layout by henrytao-me.

the class BaseBehavior method getSupportedScrollTarget.

private View getSupportedScrollTarget(View target) {
    if (target instanceof SwipeRefreshLayout && ((SwipeRefreshLayout) target).getChildCount() > 0) {
        SwipeRefreshLayout parent = (SwipeRefreshLayout) target;
        View child;
        int n = parent.getChildCount();
        for (int i = 0; i < n; i++) {
            child = parent.getChildAt(i);
            if (child instanceof NestedScrollView || child instanceof RecyclerView) {
                return child;
            }
        }
        return ((SwipeRefreshLayout) target).getChildAt(0);
    } else if (target instanceof CoordinatorLayout) {
        Stack<View> stack = new Stack<>();
        stack.add(target);
        while (stack.size() > 0) {
            View view = stack.pop();
            if (view instanceof NestedScrollView || view instanceof RecyclerView) {
                return view;
            }
            if (view instanceof ViewGroup) {
                int n = ((ViewGroup) view).getChildCount();
                for (int i = 0; i < n; i++) {
                    stack.add(((ViewGroup) view).getChildAt(i));
                }
            }
        }
    }
    return target;
}