本文整理汇总了Java中android.view.ViewGroup.getScrollY方法的典型用法代码示例。如果您正苦于以下问题:Java ViewGroup.getScrollY方法的具体用法?Java ViewGroup.getScrollY怎么用?Java ViewGroup.getScrollY使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.view.ViewGroup
的用法示例。
在下文中一共展示了ViewGroup.getScrollY方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: isTransformedTouchPointInView
import android.view.ViewGroup; //导入方法依赖的package包/类
/**
* Returns whether the touch point is within the child View
* It is transform aware and will invert the transform Matrix to find the true local points
* This code is taken from {@link ViewGroup#isTransformedTouchPointInView()}
*/
private static boolean isTransformedTouchPointInView(
float x,
float y,
ViewGroup parent,
View child,
PointF outLocalPoint) {
float localX = x + parent.getScrollX() - child.getLeft();
float localY = y + parent.getScrollY() - child.getTop();
Matrix matrix = child.getMatrix();
if (!matrix.isIdentity()) {
float[] localXY = mMatrixTransformCoords;
localXY[0] = localX;
localXY[1] = localY;
Matrix inverseMatrix = mInverseMatrix;
matrix.invert(inverseMatrix);
inverseMatrix.mapPoints(localXY);
localX = localXY[0];
localY = localXY[1];
}
if (child instanceof ReactHitSlopView && ((ReactHitSlopView) child).getHitSlopRect() != null) {
Rect hitSlopRect = ((ReactHitSlopView) child).getHitSlopRect();
if ((localX >= -hitSlopRect.left && localX < (child.getRight() - child.getLeft()) + hitSlopRect.right)
&& (localY >= -hitSlopRect.top && localY < (child.getBottom() - child.getTop()) + hitSlopRect.bottom)) {
outLocalPoint.set(localX, localY);
return true;
}
return false;
} else {
if ((localX >= 0 && localX < (child.getRight() - child.getLeft()))
&& (localY >= 0 && localY < (child.getBottom() - child.getTop()))) {
outLocalPoint.set(localX, localY);
return true;
}
return false;
}
}
示例2: invalidateDividersForScrollingView
import android.view.ViewGroup; //导入方法依赖的package包/类
private void invalidateDividersForScrollingView(ViewGroup view, final boolean setForTop, boolean setForBottom, boolean hasButtons) {
if (setForTop && view.getChildCount() > 0) {
drawTopDivider = titleBar != null &&
titleBar.getVisibility() != View.GONE &&
//Not scrolled to the top.
view.getScrollY() + view.getPaddingTop() > view.getChildAt(0).getTop();
}
if (setForBottom && view.getChildCount() > 0) {
drawBottomDivider = hasButtons &&
view.getScrollY() + view.getHeight() - view.getPaddingBottom() < view.getChildAt(view.getChildCount() - 1).getBottom();
}
}
示例3: requestChildFocus
import android.view.ViewGroup; //导入方法依赖的package包/类
/** Scroll the layout so that the focused child is on screen. */
private void requestChildFocus() {
ViewGroup parent = (ViewGroup) mLayout.getParent();
if (mLayout.getParent() == null) return;
// Scroll the parent to make the focused child visible.
if (mFocusedChild != null) parent.requestChildFocus(mLayout, mFocusedChild);
// {@link View#requestChildFocus} fails to account for children changing their height, so
// the scroll value may be past the actual maximum.
int viewportHeight = parent.getBottom() - parent.getTop();
int scrollMax = Math.max(0, mLayout.getMeasuredHeight() - viewportHeight);
if (parent.getScrollY() > scrollMax) parent.setScrollY(scrollMax);
}
示例4: transformPointToViewLocal
import android.view.ViewGroup; //导入方法依赖的package包/类
public static void transformPointToViewLocal(ViewGroup group, View child, float[] point) {
point[0] += group.getScrollX() - child.getLeft();
point[1] += group.getScrollY() - child.getTop();
}
示例5: isViewGroupToBottom
import android.view.ViewGroup; //导入方法依赖的package包/类
public static boolean isViewGroupToBottom(ViewGroup viewGroup) {
View subChildView = viewGroup.getChildAt(0);
return (subChildView != null && subChildView.getMeasuredHeight() <= viewGroup.getScrollY() + viewGroup.getHeight());
}
示例6: transformPointToViewLocal
import android.view.ViewGroup; //导入方法依赖的package包/类
private static void transformPointToViewLocal(ViewGroup group, View child, float[] point) {
point[0] += group.getScrollX() - child.getLeft();
point[1] += group.getScrollY() - child.getTop();
}