compile 'com.ufo:DWStickItemDecoration:1.0.0'
RecyclerView recyclerView = findViewById(R.id.recycler_view);
DWStickItemDecoration decoration = new DWStickItemDecoration(this) {
@Override
protected boolean isShowItemLabel(int position) {
//返回true表示要显示组的第一个item的标签
//看下面的模拟演示数据
return mList.get(position).isShowLable();
}
@Override
protected String getItemLabelStr(int position) {
//返回标签的文本字符串
return mList.get(position).getSpell();
}
};
recyclerView.addItemDecoration(decoration);
//设置标签颜色
// decoration.setLabelColor(Color.DKGRAY);
//设置标签高度
// decoration.setLabelHeight(30);
//设置标签字体颜色
// decoration.setTextColor(Color.RED);
//设置标签字体大小
// decoration.setTextSize(50);
.
list.add(new DataBean("阿狗", true, "A")); //isShowIitemLabel()返回true ;getItemLabelStr()返回A
list.add(new DataBean("安智", false, "A"));//isShowIitemLabel()返回false ;getItemLabelStr()返回A
list.add(new DataBean("爱", false, "A")); //isShowIitemLabel()返回false ;getItemLabelStr()返回A
list.add(new DataBean("操", true, "C")); //isShowIitemLabel()返回true ;getItemLabelStr()返回C
list.add(new DataBean("成成", false, "C")); //......
list.add(new DataBean("陈百", false, "C"));
list.add(new DataBean("陈百2", false, "C"));
list.add(new DataBean("陈百3", false, "C"));
list.add(new DataBean("陈百34", false, "C"));
list.add(new DataBean("陈百345", false, "C"));
list.add(new DataBean("家家", true, "J"));
list.add(new DataBean("叫叫", false, "J"));
list.add(new DataBean("杰杰", false, "J"));
list.add(new DataBean("杰杰1", false, "J"));
list.add(new DataBean("杰杰2", false, "J"));
list.add(new DataBean("杰杰3", false, "J"));
list.add(new DataBean("杰杰4", false, "J"));
list.add(new DataBean("科", true, "K"));
list.add(new DataBean("开门", false, "K"));
list.add(new DataBean("阿凯", false, "K"));
list.add(new DataBean("烟", true, "Y"));
list.add(new DataBean("烟1", false, "Y"));
list.add(new DataBean("烟2", false, "Y"));
list.add(new DataBean("烟3", false, "Y"));
list.add(new DataBean("烟4", false, "Y"));
list.add(new DataBean("造4", true, "Z"));
list.add(new DataBean("智4", false, "Z"));