【Android -- 开源库】UltimateRecyclerView 的基本使用

简介

UltimateRecyclerView 是一个 RecyclerView（Android中ListView的高级灵活版），具有刷新、加载更多、动画等多种功能。

功能

• 滑动刷新
• 多种动画
• 滑动关闭
• 视差或正常头部视图
• 拖放项目
• 到达最后一项时加载更多（无限滚动）
• 加载更多的自定义视图
• 滚动时显示或隐藏工具栏和浮动按钮
• 滚动条
• 多彩风格的刷卡刷新
• 像 instagram 这样的粘性标题
• 支持适配器中的不同布局
• 加载带有动画的适配器
• recyclerview 中的可扩展视图

效果图

使用

1. 添加依赖

repositories {
    jcenter()
    }
dependencies {
    ...
    implementation 'com.marshalchen.ultimaterecyclerview:library:0.9.0'
}

2. 布局文件

• main_activity.xml

• exp_parent.xml

• exp_child.xml

3. Bean 类

• Category.java

public class Category extends easyTemplateParent {
    public Category(View itemView) {
        super(itemView);
    }
}

• SubCategory.java

public class SubCategory extends easyTemplateChild {
    public SubCategory(View itemView) {
        super(itemView);
    }
}

4. 适配器

public class ExpCustomAdapter extends customizedAdapter {
    public ExpCustomAdapter(Context context) {
        super(context);
    }

    public static List getPreCodeMenu(String[] a, String[] b, String[] c) {
        List e = new ArrayList();
        e.add(SmartItem.parent("世界名著", "open", DataUtil.getSmallList(a)));
        e.add(SmartItem.parent("推荐书籍", "open", DataUtil.getSmallList(b)));
        e.add(SmartItem.parent("体育明星", "open", DataUtil.getSmallList(c)));
        return e;
    }

    /**
     * please do work on this id the custom object is true
     *
     * @param parentview the inflated view
     * @return the actual parent holder
     */
    @Override
    protected Category iniCustomParentHolder(View parentview) {
        return new Category(parentview);
    }

    /**
     * please do work on this if the custom object is true
     *
     * @param childview the inflated view
     * @return the actual child holder
     */
    @Override
    protected SubCategory iniCustomChildHolder(View childview) {
        return new SubCategory(childview);
    }

    @Override
    protected int getLayoutResParent() {
        return R.layout.exp_parent;
    }

    @Override
    protected int getLayoutResChild() {
        return R.layout.exp_child;
    }

    @Override
    protected List getChildrenByPath(String path, int depth, int position) {
        return null;
    }


    @Override
    public RecyclerView.ViewHolder newFooterHolder(View view) {
        return new UltimateRecyclerviewViewHolder(view);
    }

    @Override
    public RecyclerView.ViewHolder newHeaderHolder(View view) {
        return new UltimateRecyclerviewViewHolder(view);
    }
}

5. MainActivity.java

public class MainActivity extends AppCompatActivity {
    private static String[] sampledatagroup1 = {
            "《论语》", "http://google",
            "《三国演义》", "http://google",
            "《红与黑》", "http://google",
            "《老人与海》", "http://google"
    };
    private static String[] sampledatagroup2 = {
            "《第一行代码》", "http://google",
            "《代码整洁之道》", "http://google",
            "《重构》", "http://google",
            "《程序员的职业素养》", "http://google",
            "《如何阅读》", "http://google"
    };
    private static String[] sampledatagroup3 = {
            "科比", "http://google",
            "C罗", "http://google",
            "林丹", "http://google",
            "刘德华", "http://google",
            "周杰伦", "http://google"
    };

    @BindView(R.id.recycler_view)
    UltimateRecyclerView mRecyclerView;

    @BindView(R.id.topbar)
    QMUITopBar mTopBar;

    private ExpCustomAdapter simpleRecyclerViewAdapter = null;
    private LinearLayoutManager linearLayoutManager;
    private ActionMode actionMode;


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

        initView();
    }

    private void initView() {
        mTopBar.setTitle("二级列表");
        mTopBar.addLeftBackImageButton().setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });

        mRecyclerView.setHasFixedSize(false);

        simpleRecyclerViewAdapter = new ExpCustomAdapter(this);
        simpleRecyclerViewAdapter.addAll(ExpCustomAdapter.getPreCodeMenu(sampledatagroup1, sampledatagroup2, sampledatagroup3), 0);

        linearLayoutManager = new LinearLayoutManager(this);
        mRecyclerView.setLayoutManager(linearLayoutManager);
        mRecyclerView.setAdapter(simpleRecyclerViewAdapter);
        mRecyclerView.setRecylerViewBackgroundColor(Color.parseColor("#ffffff"));
        addExpandableFeatures();
    }

    private void addExpandableFeatures() {
        mRecyclerView.getItemAnimator().setAddDuration(100);
        mRecyclerView.getItemAnimator().setRemoveDuration(100);
        mRecyclerView.getItemAnimator().setMoveDuration(200);
        mRecyclerView.getItemAnimator().setChangeDuration(100);
    }
}