1、功能实现所需jar

implementation 'com.hyman:flowlayout-lib:1.1.2'

implementation 'com.android.support:design:27.1.1'

核心代码类

public class EvaluationWidgetView extends LinearLayout {
    private Context mContext;
    private TagFlowLayout mTagFlowLayout;

    private EditText mTagInputEt;

    private TabLayout mTabLayout;


    private int tabIndexDefault=1;

    private List mList;
    private HashMap> selectList=new HashMap();

    private boolean tagInputState=false;
    public EvaluationWidgetView(Context context) {
        super(context);
        mContext = context;
        initView();
    }

    public EvaluationWidgetView(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        mContext = context;
        initView();
    }

    public EvaluationWidgetView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        mContext = context;
        initView();
    }

    private void initView() {
        LayoutInflater mLayoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View view = mLayoutInflater.inflate(R.layout.evaluation_widget_view_layout, this, false);
        addView(view);
        mTabLayout = view.findViewById(R.id.tab_layout);
        mTabLayout.setTabMode(TabLayout.MODE_FIXED);
        mTabLayout.setSelectedTabIndicatorHeight(0);
        ViewCompat.setElevation(mTabLayout, 10);

        mTagFlowLayout = view.findViewById(R.id.tag_flow_layout);
        mTagInputEt = view.findViewById(R.id.tag_input_et);

        mTagFlowLayout.setOnSelectListener(new TagFlowLayout.OnSelectListener() {
            @Override
            public void onSelected(Set selectPosSet) {
                int pos=mTagFlowLayout.getAdapter().getCount()-1;
                boolean b=selectPosSet.contains(pos);
                selectList.put(tabIndexDefault,selectPosSet);
                if(b){
                    tagInputState=true;
                }else {
                    tagInputState=false;
                }
                setTagInput();
            }
        });

        mTabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
//                setTagViewVisibleGone(tab.getPosition());
                TextView textView=tab.getCustomView().findViewById(R.id.tab_e_tv);
                textView.setTextColor(mContext.getResources().getColor(R.color.dark_orange));
                tabIndexDefault=tab.getPosition();
                setData();
            }

            @Override
            public void onTabUnselected(TabLayout.Tab tab) {
                TextView textView=tab.getCustomView().findViewById(R.id.tab_e_tv);
                textView.setTextColor(mContext.getResources().getColor(R.color.color_999999));

            }

            @Override
            public void onTabReselected(TabLayout.Tab tab) {

            }
        });


    }

    private void setTagInput(){
        mTagInputEt.setVisibility(tagInputState?View.VISIBLE:View.GONE);
    }

    public  void setViewData(List datas){
        if(datas!=null&&datas.size()>0){
//            Gson gson=new Gson();
//            Log.d("dlh", "---------------->"+gson.toJson(datas));
            mList=datas;
        }else {
            mList=new ArrayList();
        }
        initTagFlow();
    }
    private void setData(){
        if(tabIndexDefault>=0&&tabIndexDefault=0&&tabIndexDefault());
            setTagFlowData(mTagFlowLayout, mList.get(tabIndexDefault).getList());

        }
    }

    private  void setTagFlowData(TagFlowLayout tag,List strings){

        TagAdapter tagAdapter = new TagAdapter(strings) {
            @Override
            public View getView(FlowLayout parent, int position, String o) {
                LayoutInflater layoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                TextView tv = (TextView) layoutInflater.inflate(R.layout.tv,
                        parent, false);
                tv.setText(o);
                return tv;
            }
            @Override
            public void onSelected(int position, View view) {
                super.onSelected(position, view);
            }

            @Override
            public void unSelected(int position, View view) {
                super.unSelected(position, view);
            }
        };
        if(selectList.get(tabIndexDefault)!=null&&selectList.get(tabIndexDefault).size()>0){
            tagAdapter.setSelectedList(selectList.get(tabIndexDefault));
        }else if(tagInputState){
            tagAdapter.setSelectedList(tagAdapter.getCount()-1);
        }
        tag.setAdapter(tagAdapter);
    }


    public EvaluationGroupBean getSelectData(){
        EvaluationGroupBean m=new EvaluationGroupBean();
        Set  integerSet=  mTagFlowLayout.getSelectedList();
        EvaluationGroupBean temp=mList.get(tabIndexDefault);
          List selectItemStrings=new ArrayList();
        Iterator it = integerSet.iterator();
        while (it.hasNext()) {
           String item= temp.getList().get(it.next());
               selectItemStrings.add(item);
        }
        if(tagInputState){
            selectItemStrings.remove(selectItemStrings.size()-1);
        }
        m.setGroupTitle(temp.getGroupTitle());
        m.setList(selectItemStrings);
        return  m;
    }

    public  String getTagInputText(){

        String inputString=null;
        if(tagInputState){
            inputString = mTagInputEt.getText().toString();
        }

        return inputString;
    }


    private View getTabTopIconBottomTextView(int resIcon,int resText){
        LayoutInflater layoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View itemView  =  layoutInflater.inflate(R.layout.tab_top_icon_bottom_text_view_layout,null);
        ImageView imageView=itemView.findViewById(R.id.tab_e_iv);
        imageView.setImageResource(resIcon);
        TextView textView=itemView.findViewById(R.id.tab_e_tv);
        textView.setText(resText);
        return  itemView;

    }

所有需要布局文件

R.layout.evaluation_widget_view_layout

R.layout.tab_top_icon_bottom_text_view_layout

R.layout.tv

原文链接：http://www.apkbus.com/blog-146564-78249.html