List of usage examples for android.view View canScrollHorizontally
public boolean canScrollHorizontally(int direction)
From source file:com.rocko.wwv.widget.WebViewPager.java
@Override protected boolean canScroll(View webView, boolean checkV, int dx, int x, int y) { if (webView instanceof HorizontalSlideWebView) { // Log.d(TAG, "dx: " + dx + " x:" + x + " y:" + y); return webView.canScrollHorizontally(y); // ?? API < 14 } else {//ww w.ja v a 2s .co m return super.canScroll(webView, checkV, dx, x, y); } }
From source file:com.cyanogenmod.filemanager.ui.widgets.ViewDragHelper.java
/** * Tests scrollability within child views of v given a delta of dx. * * @param v View to test for horizontal scrollability * @param checkV Whether the view v passed should itself be checked for scrollability (true), * or just its children (false). * @param dx Delta scrolled in pixels along the X axis * @param dy Delta scrolled in pixels along the Y axis * @param x X coordinate of the active touch point * @param y Y coordinate of the active touch point * @return true if child views of v can be scrolled by delta of dx. *///from w ww . j a va 2 s .co m protected boolean canScroll(View v, boolean checkV, int dx, int dy, int x, int y) { if (v instanceof ViewGroup) { final ViewGroup group = (ViewGroup) v; final int scrollX = v.getScrollX(); final int scrollY = v.getScrollY(); final int count = group.getChildCount(); // Count backwards - let topmost views consume scroll distance first. for (int i = count - 1; i >= 0; i--) { // TODO: Add versioned support here for transformed views. // This will not work for transformed views in Honeycomb+ final View child = group.getChildAt(i); if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight() && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child, true, dx, dy, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) { return true; } } } return checkV && (v.canScrollHorizontally(-dx) || v.canScrollVertically(-dy)); }
From source file:com.android.internal.widget.ViewPager.java
/** * Tests scrollability within child views of v given a delta of dx. * * @param v View to test for horizontal scrollability * @param checkV Whether the view v passed should itself be checked for scrollability (true), * or just its children (false). * @param dx Delta scrolled in pixels//from w w w.j av a2s. co m * @param x X coordinate of the active touch point * @param y Y coordinate of the active touch point * @return true if child views of v can be scrolled by delta of dx. */ protected boolean canScroll(View v, boolean checkV, int dx, int x, int y) { if (v instanceof ViewGroup) { final ViewGroup group = (ViewGroup) v; final int scrollX = v.getScrollX(); final int scrollY = v.getScrollY(); final int count = group.getChildCount(); // Count backwards - let topmost views consume scroll distance first. for (int i = count - 1; i >= 0; i--) { // TODO: Add support for transformed views. final View child = group.getChildAt(i); if (x + scrollX >= child.getLeft() && x + scrollX < child.getRight() && y + scrollY >= child.getTop() && y + scrollY < child.getBottom() && canScroll(child, true, dx, x + scrollX - child.getLeft(), y + scrollY - child.getTop())) { return true; } } } return checkV && v.canScrollHorizontally(-dx); }