本文整理汇总了Java中android.support.v4.widget.NestedScrollView.getScrollY方法的典型用法代码示例。如果您正苦于以下问题：Java NestedScrollView.getScrollY方法的具体用法？Java NestedScrollView.getScrollY怎么用？Java NestedScrollView.getScrollY使用的例子？那么, 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.support.v4.widget.NestedScrollView的用法示例。
在下文中一共展示了NestedScrollView.getScrollY方法的4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: syncOffset
import android.support.v4.widget.NestedScrollView; //导入方法依赖的package包/类
public static boolean syncOffset(SmoothAppBarLayout smoothAppBarLayout, View target, int verticalOffset, View scroll) {
boolean isSelected = target == scroll;
if (scroll instanceof NestedScrollView) {
NestedScrollView nestedScrollView = (NestedScrollView) scroll;
if (nestedScrollView.getScrollY() < verticalOffset || (!isSelected && isScrollToTop(target))) {
nestedScrollView.scrollTo(0, verticalOffset);
}
if (isSelected && (nestedScrollView.getScrollY() < verticalOffset || verticalOffset == 0)) {
nestedScrollView.scrollTo(0, 0);
smoothAppBarLayout.syncOffset(0);
}
} else if (scroll instanceof RecyclerView) {
RecyclerView recyclerView = (RecyclerView) scroll;
boolean isAccuracy = recyclerView.getLayoutManager().findViewByPosition(ObservableRecyclerView.HEADER_VIEW_POSITION) != null;
if (isAccuracy && recyclerView.computeVerticalScrollOffset() < verticalOffset) {
recyclerView.scrollBy(0, verticalOffset - recyclerView.computeVerticalScrollOffset());
} else if (!isSelected && isScrollToTop(target)) {
recyclerView.scrollToPosition(ObservableRecyclerView.HEADER_VIEW_POSITION);
}
if (isAccuracy && isSelected && (recyclerView.computeVerticalScrollOffset() < verticalOffset || verticalOffset == 0)) {
recyclerView.scrollToPosition(ObservableRecyclerView.HEADER_VIEW_POSITION);
smoothAppBarLayout.syncOffset(0);
}
}
return true;
}
示例2: onScrollChanged
import android.support.v4.widget.NestedScrollView; //导入方法依赖的package包/类
@Override
public void onScrollChanged(NestedScrollView who, int l, int t, int oldl, int oldt) {
//Y轴偏移量
float scrollY = who.getScrollY();
//变化率
float headerBarOffsetY = headerHeight - minHeaderHeight;//Toolbar与header高度的差值
float offset = 1 - Math.max((headerBarOffsetY - scrollY) / headerBarOffsetY, 0f);
if(offset == 1){
mTvTitle.setText(mTitle);
}else{
mTvTitle.setText("电影");
}
//Toolbar背景色透明度
mToolBar.setBackgroundColor(Color.argb((int) (offset * 255), 44, 44, 44));
}
示例3: onScrollChange
import android.support.v4.widget.NestedScrollView; //导入方法依赖的package包/类
@Override
public void onScrollChange(NestedScrollView v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
View lastView = v.getChildAt(v.getChildCount() - 1);
int lastViewHeight = lastView.getBottom();
lastViewHeight -= (v.getHeight() + v.getScrollY());
if (lastViewHeight == 0) {
if (xNestedScrollViewListener != null) {
xNestedScrollViewListener.onScrollToPageEnd();
}
}
}
示例4: onSelectionStarted
import android.support.v4.widget.NestedScrollView; //导入方法依赖的package包/类
@Override
public void onSelectionStarted(float x, float y) {
if (ssReadingActivityBinding != null) {
LinearLayout view = ssReadingActivityBinding.ssReadingViewPager.findViewWithTag("ssReadingView_"+ssReadingActivityBinding.ssReadingViewPager.getCurrentItem());
NestedScrollView scrollView = view.findViewById(R.id.ss_reading_view_scroll);
y = y - scrollView.getScrollY() + ssReadingActivityBinding.ssReadingViewPager.getTop();
DisplayMetrics metrics = new DisplayMetrics();
((SSReadingActivity) context).getWindowManager().getDefaultDisplay().getMetrics(metrics);
ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) ssReadingActivityBinding.ssContextMenu.ssReadingContextMenu.getLayoutParams();
int contextMenuWidth = ssReadingActivityBinding.ssContextMenu.ssReadingContextMenu.getWidth();
int contextMenuHeight = ssReadingActivityBinding.ssContextMenu.ssReadingContextMenu.getHeight();
int screenWidth = metrics.widthPixels;
int screenHeight = metrics.heightPixels;
int margin = SSHelper.convertDpToPixels(context, 20);
int jumpMargin = SSHelper.convertDpToPixels(context, 60);
int contextMenuX = (int) x - (contextMenuWidth / 2);
int contextMenuY = scrollView.getTop() + (int) y - contextMenuHeight - margin;
if (contextMenuX - margin < 0) {
contextMenuX = margin;
}
if (contextMenuX + contextMenuWidth + margin > screenWidth) {
contextMenuX = screenWidth - margin - contextMenuWidth;
}
if (contextMenuY - margin < 0) {
contextMenuY = contextMenuY + contextMenuHeight + jumpMargin;
}
params.setMargins(contextMenuX, contextMenuY, 0, 0);
ssReadingActivityBinding.ssContextMenu.ssReadingContextMenu.setLayoutParams(params);
ssReadingActivityBinding.ssContextMenu.ssReadingContextMenu.setVisibility(View.VISIBLE);
highlightId = 0;
}
}