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万能适配器多布局上拉下拉刷新

程序员文章站 2022-05-04 19:25:15
万能适配器导入依赖//万能适配器implementation 'com.github.CymChad:BaseRecyclerViewAdapterHelper:2.9.22'//SmartRefreshLayoutimplementation 'com.scwang.smartrefresh:SmartRefreshLayout:1.1.0' 主布局

万能适配器

导入依赖

//万能适配器
implementation 'com.github.CymChad:BaseRecyclerViewAdapterHelper:2.9.22'

//SmartRefreshLayout
implementation 'com.scwang.smartrefresh:SmartRefreshLayout:1.1.0'

主布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">
    <com.scwang.smartrefresh.layout.SmartRefreshLayout
        android:id="@+id/smart_id"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recyler_id"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        </androidx.recyclerview.widget.RecyclerView>
    </com.scwang.smartrefresh.layout.SmartRefreshLayout>


</LinearLayout>

OkHttpUtils工具类

public class OkHttpUtils {
    private OkHttpClient okHttpClient;
    private Handler handler = new Handler();

    private OkHttpUtils() {
        okHttpClient = new OkHttpClient.Builder()
                .writeTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .readTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .build();
    }

    private static OkHttpUtils okHttpUtils = new OkHttpUtils();

    public static OkHttpUtils getInstance() {
        return okHttpUtils;
    }

    //get请求
    public void doget(String url, final OkhttpCallBack okhttpCallBack) {
        Request request = new Request.Builder().get().url(url).build();
        okHttpClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                final String message = e.getMessage();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        okhttpCallBack.onError(message);
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String string = response.body().string();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        okhttpCallBack.onOk(string);
                    }
                });
            }
        });
    }

    //post请求
    public void dopost(String url, HashMap<String, String> map, final OkhttpCallBack okhttpCallBack) {
        Set<Map.Entry<String, String>> entries = map.entrySet();
        FormBody.Builder builder = new FormBody.Builder();
        for (Map.Entry<String, String> entry : entries) {
            builder.add(entry.getKey(), entry.getValue());
        }
        FormBody formBody = builder.build();
        Request request = new Request.Builder()
                .url(url)
                .post(formBody)
                .build();
        okHttpClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                final String message = e.getMessage();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        okhttpCallBack.onError(message);
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String string = response.body().string();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        okhttpCallBack.onOk(string);
                    }
                });
            }
        });
    }

}

OkHttpCallBack

public interface OkhttpCallBack {
    void onError(String message);

    void onOk(String json);
}

万能适配器

public class MyAdapter extends BaseQuickAdapter<FoodBean.DataBean, BaseViewHolder> {

    public MyAdapter(int layoutResId, @Nullable List<FoodBean.DataBean> data) {
        super(layoutResId, data);
    }

    @Override
    protected void convert(BaseViewHolder helper, FoodBean.DataBean item) {
        helper.setText(R.id.text_item, item.getTitle() + "");
        ImageView img = helper.getView(R.id.img_item);
        Glide.with(mContext).load(item.getPic()).into(img);
        helper.addOnClickListener(R.id.img_item)
                .addOnClickListener(R.id.text_item);
    }
}

Activity

public class MainActivity extends AppCompatActivity {
    private RecyclerView recylerId;
    private SmartRefreshLayout smartId;
    private List<FoodBean.DataBean> dataBeans = new ArrayList<>();
    private MyAdapter myAdapter;
    private int page = 1;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recylerId = (RecyclerView) findViewById(R.id.recyler_id);
        smartId = (SmartRefreshLayout) findViewById(R.id.smart_id);
        
        myAdapter = new MyAdapter(R.layout.layout_item, dataBeans);
        recylerId.setAdapter(myAdapter);
        recylerId.setLayoutManager(new LinearLayoutManager(this));
        recylerId.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
        
        //点击事件
        myAdapter.setOnItemClickListener(new BaseQuickAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(BaseQuickAdapter adapter, View view, int position) {
                Toast.makeText(MainActivity.this, "点击了" + position, Toast.LENGTH_SHORT).show();
            }
        });
        
        //点击事件
        myAdapter.setOnItemChildClickListener(new BaseQuickAdapter.OnItemChildClickListener() {
            @Override
            public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
                switch (view.getId()) {
                    case R.id.img_item:
                        Toast.makeText(MainActivity.this, "点击了图片" + position, Toast.LENGTH_SHORT).show();
                        break;
                    case R.id.text_item:
                        Toast.makeText(MainActivity.this, "点击了文字" + position, Toast.LENGTH_SHORT).show();
                        break;
                }
            }
        });

        //添加头布局和尾布局
        View head = LayoutInflater.from(this).inflate(R.layout.head, null);
        View foot = LayoutInflater.from(this).inflate(R.layout.foot, null);
        myAdapter.addHeaderView(head);
        myAdapter.addFooterView(foot);

        //添加动画
        //默认渐显
//        myAdapter.openLoadAnimation();
        //缩放
//        myAdapter.openLoadAnimation(BaseQuickAdapter.SCALEIN);
        //从右到左
        myAdapter.openLoadAnimation(BaseQuickAdapter.SLIDEIN_RIGHT);
        //从左到右
//        myAdapter.openLoadAnimation(BaseQuickAdapter.SLIDEIN_LEFT);
        //从下到上
//        myAdapter.openLoadAnimation(BaseQuickAdapter.SLIDEIN_BOTTOM);


        //横滑删除   上下拖拽
        ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new ItemTouchHelper.Callback() {
            //支持设置方向
            @Override
            public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
                return makeMovementFlags(ItemTouchHelper.UP | ItemTouchHelper.DOWN, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT);
            }

            //上下拖拽
            @Override
            public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, @NonNull RecyclerView.ViewHolder target) {
                int adapterPosition = viewHolder.getAdapterPosition();
                int adapterPosition1 = target.getAdapterPosition();
                Collections.swap(dataBeans, adapterPosition, adapterPosition1);
                myAdapter.notifyDataSetChanged();
                return true;
            }

            //左右滑动
            @Override
            public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
                int position = viewHolder.getAdapterPosition();
                dataBeans.remove(position);
                myAdapter.notifyDataSetChanged();
            }
        });
        itemTouchHelper.attachToRecyclerView(recylerId);

        //上拉下拉
        smartId.setOnRefreshLoadMoreListener(new OnRefreshLoadMoreListener() {
            @Override
            public void onLoadMore(@NonNull RefreshLayout refreshLayout) {
                page++;
                //加载完成
                smartId.finishLoadMore();
            }

            @Override
            public void onRefresh(@NonNull RefreshLayout refreshLayout) {
                dataBeans.clear();
                page = 1;
                //通知刷新完成
                smartId.finishRefresh();
            }
        });
        
        
        OkHttpUtils.getInstance().doget("http://www.qubaobei.com/ios/cf/dish_list.php?stage_id=1&limit=20&page=" + page, new OkhttpCallBack() {
            @Override
            public void onError(String message) {

            }

            @Override
            public void onOk(String json) {
                Toast.makeText(MainActivity.this, "" + json, Toast.LENGTH_SHORT).show();
                FoodBean foodBean = new Gson().fromJson(json, FoodBean.class);
                List<FoodBean.DataBean> data = foodBean.getData();
                dataBeans.addAll(data);
                myAdapter.notifyDataSetChanged();

            }
        });
    }
}

item布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <ImageView
        android:id="@+id/img_item"
        android:layout_width="100dp"
        android:layout_height="100dp" />

    <TextView
        android:id="@+id/text_item"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>

头布局和尾布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="200dp"
    android:orientation="vertical">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:src="@mipmap/ic_launcher" />
</LinearLayout>


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="电话：11111111111" />
</LinearLayout>

多布局

布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recyler_id"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </androidx.recyclerview.widget.RecyclerView>

</LinearLayout>

Bean类

public class JavaBean implements MultiItemEntity {
    private String text;
    private String image;
    private int type;

    public JavaBean(String text, String image, int type) {
        this.text = text;
        this.image = image;
        this.type = type;
    }

    //尤为重要
    @Override
    public int getItemType() {
        return type;
    }

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }

    public String getImage() {
        return image;
    }

    public void setImage(String image) {
        this.image = image;
    }

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }
}

适配器

public class MyAdapter extends BaseMultiItemQuickAdapter<JavaBean, BaseViewHolder> {

    public MyAdapter(List<JavaBean> data) {
        super(data);
        addItemType(0, R.layout.layout_text);
        addItemType(1, R.layout.layout_image);
        addItemType(2,R.layout.layout_item);
    }

    @Override
    protected void convert(BaseViewHolder helper, JavaBean item) {
        switch (helper.getItemViewType()) {
            case 0:
                helper.setText(R.id.text_id, item.getText() + "");
                break;
            case 1:
                ImageView img = helper.getView(R.id.img_id);
                Glide.with(mContext).load(item.getImage()).into(img);
                break;
            case 2:
                helper.setText(R.id.text_id, item.getText() + "");
                ImageView imgs = helper.getView(R.id.img_id);
                Glide.with(mContext).load(item.getImage()).into(imgs);
                break;
        }
    }
}

Activity代码

public class MainActivity extends AppCompatActivity {
    private RecyclerView recylerId;
    private MyAdapter myAdapter;
    private List<JavaBean> javaBeanList = new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recylerId = (RecyclerView) findViewById(R.id.recyler_id);
        myAdapter = new MyAdapter(javaBeanList);
        recylerId.setAdapter(myAdapter);
        recylerId.setLayoutManager(new LinearLayoutManager(this));
        recylerId.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
        javaBeanList.add(new JavaBean("啊哈", "https://ss0.bdstatic.com/94oJfD_bAAcT8t7mm9GUKT-xh_/timg?image&quality=100&size=b4000_4000&sec=1595323372&di=52fbb5251d0c852f3697c2b37fdf9dcb&src=http://img.pcauto.com.cn/images/upload/upc/tx/qn/bbs6/1812/16/c15/123982074_1544933813493_700x700.jpg", 0));
        javaBeanList.add(new JavaBean("啊哈", "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1595333516043&di=3216a28011c4647be105a612932e6d0b&imgtype=0&src=http%3A%2F%2Fhbimg.b0.upaiyun.com%2Fb8fba79aee2fff96bbfca5460a509c756b9ecb7f1bdaa-R1H09T_fw236", 1));
        javaBeanList.add(new JavaBean("龙儿龙儿，我是过儿", "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1595333516043&di=dbc104246b89d9e73cf87d8a83583e4c&imgtype=0&src=http%3A%2F%2Fwww.smyyqd.com%2Fimg%2Fuvbha3fh33r.jpg", 2));
        javaBeanList.add(new JavaBean("啊哈", "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1595333516042&di=79dec01a07ab76feac8e8282561877c6&imgtype=0&src=http%3A%2F%2Fimg.pcauto.com.cn%2Fimages%2Fupload%2Fupc%2Ftx%2Fbbs6%2F1609%2F22%2Fc68%2F27348615_1474520368278_1024x1024.jpg", 2));
        myAdapter.notifyDataSetChanged();
    }
}

子布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:padding="10dp">

    <ImageView
        android:id="@+id/img_id"
        android:layout_width="100dp"
        android:layout_height="100dp" />

    <TextView
        android:id="@+id/text_id"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="10dp">

    <ImageView
        android:id="@+id/img_id"
        android:layout_width="match_parent"
        android:layout_height="100dp" />
</LinearLayout>


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:orientation="vertical"
    android:padding="10dp">

    <TextView
        android:id="@+id/text_id"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>

本文地址：https://blog.csdn.net/Sun_Sees_You/article/details/107497711

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