RecyclerViewAdapters

Easy way to build RecyclerView.Adapter. This adapter also has multiple ItemViewType, if needed.

Download

Gradle

add JitPack repository to your project root build.gradle.

repositories {
    maven { url "https://jitpack.io" }
}

add the dependency

dependencies {
    compile 'com.github.chuross.recyclerview-adapters:recyclerview-adapters:1.x.x'
}

RxJava2 support

if you use RxJava2, you can use Rx support extension! This extension provide

dependencies {
    compile 'com.github.chuross.recyclerview-adapters:recyclerview-adapters:1.x.x'
    compile 'com.github.chuross.recyclerview-adapters:recyclerview-adapters-rx:1.x.x'
}

Usage

See sample project.

Header and footer RecyclerView

Basic sample

CompositeRecyclerAdapter compositeAdapter = new CompositeRecyclerAdapter();

// header
ViewItemAdapter header = new ViewItemAdapter(this) {
    @Override
    public int getAdapterId() {
        return R.id.header;
    }
};
header.add(new ViewItem(this, R.layout.item_header_1));
header.add(new ViewItem(this, R.layout.item_header_2));

// footer
ViewItemAdapter footer = new ViewItemAdapter(this) { ... };
footer.add(new ViewItem(this, R.layout.item_footer_1));

ItemAdapter itemAdapter = new ItemAdapter<String, SOMETHING_VIEW_HOLDER>(this) {
    // Override adapterId, onCreateViewHolder, onBindViewHolder
}
itemAdapter.add("hoge");
itemAdapter.add("fuga");
itemAdapter.add("piyo");

// Add all adapters
compositeAdapter.add(header);
compositeAdapter.add(itemAdapter);
compositeAdapter.add(footer);

RecyclerView list = //ex (RecyclerView) findViewById(this, R.id.list);

list.setLayoutManager(new LinearLayoutManager(this));
list.setAdapter(compositeAdapter); // or list.setAdapter(itemAdapter);

get child items

LocalAdapterItem localItem = compositeAdapter.getLocalAdapterItem(100);

localItem.getLocalAdapter();
localItem.getLocalAdapterPosition();

// ex)
itemAdapter.get(localItem);

listeners

ItemAdapter itemAdapter = new ItemAdapter() { ... }

// item click
itemAdapter.setOnItemClickListener(new OnItemClickListener() {
    void onItemClicked(RecyclerView.ViewHolder holder, int position, String item) { ... }
});

// item double click
itemAdapter.setOnItemDoubleClickListener(new OnItemDoubleClickListener() {
  void onItemDoubleClicked(@NonNull RecyclerView.ViewHolder holder, int position, @NonNull T item) { ... }
});

// item long click
itemAdapter.setOnItemLongPressListener(new OnItemLongPressedListener() {
  void onItemLongPressed(@NonNull RecyclerView.ViewHolder holder, int position, @NonNull T item) { ... }
});

SpanSize Lookup support

GridLayoutManager gridLayoutManager = new GridLayoutManager(this, SPAN_SIZE);

SpanSizeLookup spanSizeLookup =  new SpanSizeLookupBuilder(this, compositeAdapter)
        .bind(viewItem1, SPAN_SIZE)
        .bind(viewItemAdapter, SPAN_SIZE)
        .bind(itemAdapter1, 1) // specific span size
        .bind(itemAdapter2, SPAN_SIZE)
        .build();

gridLayoutManager.setSpanSizeLookup(spanSizeLookup);

// You must use CompositeRecyclerAdapter!!
recyclerView.setAdapter(compositeRecyclerAdapter);

License

Copyright 2017 chuross

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.