我目前有一个Recyclerview
,其中的实线ItemDecoration将元素分隔开:
但想要具有这样的样式的RecyclerView
ItemDecoration:
这是我的装饰,只有垂直和水平的实线,没有像我的示例那样的行空间:
public class GridDividerDecoration extends RecyclerView.ItemDecoration {
private static final int[] ATTRS = {android.R.attr.listDivider};
private Drawable mDivider;
private int mInsets;
public GridDividerDecoration(Context context) {
TypedArray a = context.obtainStyledAttributes(ATTRS);
mDivider = a.getDrawable(0);
a.recycle();
mInsets = context.getResources().getDimensionPixelSize(R.dimen.card_insets);
}
@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
drawVertical(c, parent);
drawHorizontal(c, parent);
}
public void drawVertical(Canvas c, RecyclerView parent) {
if (parent.getChildCount() == 0) return;
final int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = parent.getChildAt(i);
final RecyclerView.LayoutParams params =
(RecyclerView.LayoutParams) child.getLayoutParams();
final int left = child.getLeft() - params.leftMargin - mInsets;
final int right = child.getRight() + params.rightMargin + mInsets;
final int top = child.getBottom() + params.bottomMargin + mInsets;
final int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
public void drawHorizontal(Canvas c, RecyclerView parent) {
final int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = parent.getChildAt(i);
final RecyclerView.LayoutParams params =
(RecyclerView.LayoutParams) child.getLayoutParams();
final int left = child.getRight() + params.rightMargin + mInsets;
final int right = left + mDivider.getIntrinsicWidth();
final int top = child.getTop() - params.topMargin - mInsets;
final int bottom = child.getBottom() + params.bottomMargin + mInsets;
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
outRect.set(mInsets, mInsets, mInsets, mInsets);
}
}
任何人都可以帮助如何在行之间设置一些间距?
最佳答案
您只希望线条短一点,所以只需修改边界即可。
例如:
对于垂直线,您具有:
mDivider.setBounds(left, top, right, bottom);
因此只需更改顶部和底部偏移量,如下所示:
mDivider.setBounds(left, top + 10, right, bottom - 10);
对水平线执行类似的操作,但更改左右偏移量。
您可以尝试实际值,直到获得所需的效果。
关于android - android水平和垂直recyclerview项目装饰,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/44794855/