单选，反选，全选

private List<String> list; private final HashMap<Integer, Boolean> ischeck; public Mybase() { ischeck = new HashMap<>(); list = new ArrayList<>(); for (int i = 0; i < 30; i++) { list.add("数量" + i); ischeck.put(i, false); } //错乱问题解决 以及单选的调用 holder.item_img.setImageResource(R.drawable.wx); holder.item_checkbox.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // ischeck.put(position, !ischeck.get(position)); // notifyDataSetChanged(); dogxuan(position); } }); holder.item_checkbox.setChecked(ischeck.get(position)); } //全选 public void selectall() { Set<Map.Entry<Integer, Boolean>> entries = ischeck.entrySet(); boolean nocheckall = false; for (Map.Entry<Integer, Boolean> entry : entries) { Boolean value = entry.getValue(); if (!value) { nocheckall = true; break; } } for (Map.Entry<Integer, Boolean> entry : entries) { entry.setValue(nocheckall); } notifyDataSetChanged(); } //反选 public void noxuan() { Set<Map.Entry<Integer, Boolean>> entries = ischeck.entrySet(); for (Map.Entry<Integer, Boolean> entry : entries) { entry.setValue(!entry.getValue()); } notifyDataSetChanged(); } //单选 public void dogxuan(int position) { Set<Map.Entry<Integer, Boolean>> entries = ischeck.entrySet(); for (Map.Entry<Integer, Boolean> entry : entries) { entry.setValue(false); } ischeck.put(position, true); notifyDataSetChanged(); }