使用RecyclerView展示checkBox全选反选

使用时一定要在builde.gradle文件里添加依赖：
compile 'com.android.support:recyclerview-v7:22.0.+'
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public class MainActivity extends AppCompatActivity {    private RecyclerView recyclerView;    private Button fanxuan;    private Button quanxuan;    private LinearLayoutManager layoutManager;    private myAdapter adapter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        recyclerView = (RecyclerView) findViewById(R.id.recycleview);        quanxuan = (Button) findViewById(R.id.allcheck);        fanxuan = (Button) findViewById(R.id.fanxuan);        //在加载数据之前配置        layoutManager = new LinearLayoutManager(this);        recyclerView.setLayoutManager(layoutManager);        //适配器        adapter = new myAdapter();        recyclerView.setAdapter(adapter);        quanxuan.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                adapter.all();            }        });        fanxuan.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                adapter.Fanxuan();            }        });    }}
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public class myViewHolder extends RecyclerView.ViewHolder {    public View view;    public TextView textView;    public CheckBox checkBox;    public myViewHolder(View view ) {        super(view);        this.view = view;        textView = (TextView) view.findViewById(R.id.textaaa);        checkBox = (CheckBox) view.findViewById(R.id.checkbox);    }}
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public class myAdapter extends RecyclerView.Adapter<myViewHolder> {    //这个是checkbox的Hashmap集合    private final HashMap<Integer, Boolean> map;    //这个是数据集合    private final ArrayList<String> list;    public myAdapter() {        map = new HashMap<>();        list = new ArrayList<>();        for (int i = 0; i < 30; i++) {            list.add("Stronger Then I Was _" + i);            map.put(i, false);        }    }    //全选    public void all() {        Set<Map.Entry<Integer, Boolean>> entries = map.entrySet();        boolean shouldAll = false;        for (Map.Entry<Integer, Boolean> entry : entries) {            boolean value = entry.getValue();            if (!value) {                shouldAll = true;                break;            }        }        for (Map.Entry<Integer, Boolean> entry : entries) {            entry.setValue(shouldAll);        }        notifyDataSetChanged();    }    //反选    public void Fanxuan() {        Set<Map.Entry<Integer, Boolean>> entrie = map.entrySet();        for (Map.Entry<Integer, Boolean> entry : entrie) {            entry.setValue(!entry.getValue());        }        notifyDataSetChanged();    }    //单选    public void singleCheck(int position) {        Set<Map.Entry<Integer, Boolean>> entrie = map.entrySet();        for (Map.Entry<Integer, Boolean> entry : entrie) {            entry.setValue(false);        }        map.put(position, true);        notifyDataSetChanged();    }    @Override    public myViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        RecyclerView.LayoutManager manager = ((RecyclerView) parent).getLayoutManager();        //初始化布局文件        View inflate = LayoutInflater.from(parent.getContext()).inflate(R.layout.check, parent, false);        return new myViewHolder(inflate);    }    @Override    public void onBindViewHolder(myViewHolder holder, final int position) {        holder.textView.setText(list.get(position));        holder.checkBox.setChecked(map.get(position));        holder.checkBox.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                map.put(position, !map.get(position));                notifyDataSetChanged();                //单选                singleCheck(position);            }        });    }    @Override    public int getItemCount() {        return list.size();    }}
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<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="com.gss.jrtt.recyclerviewdemo.MainActivity">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal">        <Button            android:id="@+id/allcheck"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="全选" />        <Button            android:id="@+id/fanxuan"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="反选" />    </LinearLayout>    <android.support.v7.widget.RecyclerView        android:id="@+id/recycleview"        android:layout_width="match_parent"        android:layout_height="match_parent"></android.support.v7.widget.RecyclerView></LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent"><LinearLayout    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="horizontal">    <CheckBox        android:id="@+id/checkbox"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <TextView        android:id="@+id/textaaa"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="Stronger Then I Was"/></LinearLayout></LinearLayout>
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