设置RecyclerView分割线
mRecyclerView.addItemDecoration(new RecyclerView.ItemDecoration() {
@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
super.getItemOffsets(outRect, view, parent, state);
outRect.set(0, 0, 0, (int) dpToPx(getApplicationContext(), 12f));
}
});
outRect.set(0, 0, 0, (int) dpToPx(getApplicationContext(), 12f));需要在super下面执行
View绘制到父padding以外
父View padding 10 子View如果想绘制到right， 可以设置maginRight = -10,即可绘制到父布局右10dp
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