android.support.v4.widget.SwipeRefreshLayout.getChildCount()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
字(2.7k)|赞(0)|评价(0)|浏览(110)

本文整理了Java中android.support.v4.widget.SwipeRefreshLayout.getChildCount()方法的一些代码示例,展示了SwipeRefreshLayout.getChildCount()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。SwipeRefreshLayout.getChildCount()方法的具体详情如下:
包路径:android.support.v4.widget.SwipeRefreshLayout
类名称:SwipeRefreshLayout
方法名:getChildCount

SwipeRefreshLayout.getChildCount介绍

暂无

代码示例

代码示例来源:origin: madreain/AndroidDream

private void init() {
  if (mSwipeRefreshLayout.getChildCount() <= 0) {
    throw new RuntimeException("SwipRefreshLayout has no child view");
  }
  try {
    Field field = mSwipeRefreshLayout.getClass().getDeclaredField("mTarget");
    field.setAccessible(true);
    mContentView = (View) field.get(mSwipeRefreshLayout);
  } catch (Exception e) {
    e.printStackTrace();
  }
}

代码示例来源:origin: kingargyle/adt-leanback-support

private void ensureTarget() {
  // Don't bother getting the parent height if the parent hasn't been laid
  // out yet.
  if (mTarget == null) {
    for (int i = 0; i < getChildCount(); i++) {
      View child = getChildAt(i);
      if (!child.equals(mCircleView)) {
        mTarget = child;
        break;
      }
    }
  }
}

代码示例来源:origin: kingargyle/adt-leanback-support

@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  if (mTarget == null) {
    ensureTarget();
  }
  if (mTarget == null) {
    return;
  }
  mTarget.measure(MeasureSpec.makeMeasureSpec(
      getMeasuredWidth() - getPaddingLeft() - getPaddingRight(),
      MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(
      getMeasuredHeight() - getPaddingTop() - getPaddingBottom(), MeasureSpec.EXACTLY));
  mCircleView.measure(MeasureSpec.makeMeasureSpec(mCircleWidth, MeasureSpec.EXACTLY),
      MeasureSpec.makeMeasureSpec(mCircleHeight, MeasureSpec.EXACTLY));
  if (!mUsingCustomStart && !mOriginalOffsetCalculated) {
    mOriginalOffsetCalculated = true;
    mCurrentTargetOffsetTop = mOriginalOffsetTop = -mCircleView.getMeasuredHeight();
  }
  mCircleViewIndex = -1;
  // Get the index of the circleview.
  for (int index = 0; index < getChildCount(); index++) {
    if (getChildAt(index) == mCircleView) {
      mCircleViewIndex = index;
      break;
    }
  }
}

代码示例来源:origin: kingargyle/adt-leanback-support

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
  final int width = getMeasuredWidth();
  final int height = getMeasuredHeight();
  if (getChildCount() == 0) {
    return;
  }
  if (mTarget == null) {
    ensureTarget();
  }
  if (mTarget == null) {
    return;
  }
  final View child = mTarget;
  final int childLeft = getPaddingLeft();
  final int childTop = getPaddingTop();
  final int childWidth = width - getPaddingLeft() - getPaddingRight();
  final int childHeight = height - getPaddingTop() - getPaddingBottom();
  child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
  int circleWidth = mCircleView.getMeasuredWidth();
  int circleHeight = mCircleView.getMeasuredHeight();
  mCircleView.layout((width / 2 - circleWidth / 2), mCurrentTargetOffsetTop,
      (width / 2 + circleWidth / 2), mCurrentTargetOffsetTop + circleHeight);
}

相关文章