SearchView结合Toolbar 筛选RecyclerView中的内容，类似知乎、google

摘要：转载请注明出处效果代码已上传至项目里要做一个对列表内容的筛选，想到了知乎以及的效果，确定了是用实现不用多说，如有不懂我也上传到了我之前也写过，同样上传到了难搞的是，毕竟现在都流行了嘛，自带的那个效果实在不敢恭维，网上搜了下，已有

转载请注明出处：http://www.wangxinarhat.com/2016/03/18/2016-03-18-meterial-design-search-view/

代码已上传至github

项目里要做一个对列表内容的筛选，想到了知乎以及google play的效果，确定了是用Toolbar、SearchView、RecyclerView实现

Toolbar不用多说，如有不懂我也上传到了github
Recycler我之前也写过Demo，同样上传到了github
难搞的是SearchView，毕竟现在都流行Material Design了嘛，自带的那个效果实在不敢恭维，网上搜了下，已有大神实现了MaterialDesign效果的SearchView，所以拿来用咯

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ButterKnife.bind(this);

        initView();
    }


    private void initView() {

        initToolBar();
        initRecyclerView();
        initSearchView();

    }


    /**
     * init Toolbar
     */
    private void initToolBar() {
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayShowTitleEnabled(false);
    }


    /**
     * init RecyclerView
     */
    private void initRecyclerView() {

        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(layoutManager);

        mPeopleList = new ArrayList<>();

        String[] peopleName = {"Kaka", "Modric", "Rooney", "Ibla", "Bale", "死神", "Maurice Moss", "Roy Trenneman", "林夕", "sina", "google", "ecust"};
        String[] peopleDes = {"The best player", "莫德里奇是最好的后腰", "鲁尼踢得不好", "伊贝拉是谁？", "贝尔跑得真快", "Aaron", "Oh, four, I mean five, I mean fire!", "哈哈", "是个艺术家", "weibo", "android", "china"};

        for (int i = 0; i < peopleName.length; i++) {
            mPeopleList.add(new People(peopleName[i], peopleDes[i]));
        }

        mAdapter = new SearchPeopleAdapter(mPeopleList);
        recyclerView.setAdapter(mAdapter);
        HeaderAdapter headerAdapter = new HeaderAdapter(mAdapter);

        recyclerView.setAdapter(headerAdapter);
        recyclerView.addOnItemTouchListener(new RecyclerOnItemClickListener(this, recyclerView, this));


    }

    /**
     * init SearchView
     */
    private void initSearchView() {

        searchView.setVoiceSearch(false);
        searchView.setCursorDrawable(R.drawable.custom_cursor);
        searchView.setEllipsize(true);
        searchView.setOnQueryTextListener(new MaterialSearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {

                return true;
            }

            @Override
            public boolean onQueryTextChange(String newText) {
                final List filteredModelList = filter(mPeopleList, newText);

                //reset
                mAdapter.setFilter(filteredModelList);
                mAdapter.animateTo(filteredModelList);
                recyclerView.scrollToPosition(0);
                return true;
            }
        });

        searchView.setOnSearchViewListener(new MaterialSearchView.SearchViewListener() {
            @Override
            public void onSearchViewShown() {
            }

            @Override
            public void onSearchViewClosed() {
                mAdapter.setFilter(mPeopleList);
            }
        });

    }
    
    
     /**
     * 搜索按钮
     *
     * @param menu
     * @return
     */
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.menu_search, menu);
        MenuItem item = menu.findItem(R.id.action_search);
        searchView.setMenuItem(item);

        return true;
    }

/**
     * 筛选逻辑
     * @param peoples
     * @param query
     * @return
     */
    private List filter(List peoples, String query) {
        query = query.toLowerCase();

        final List filteredModelList = new ArrayList<>();
        for (People people : peoples) {

            final String nameEn = people.getName().toLowerCase();
            final String desEn = people.getDescription().toLowerCase();
            final String name = people.getName();
            final String des = people.getDescription();

            if (name.contains(query) || des.contains(query) || nameEn.contains(query) || desEn.contains(query)) {

                filteredModelList.add(people);
            }
        }
        return filteredModelList;
    }