지금까지 나는 RecyclearView의 기본 내용을 총결하였다

결말이 뭐예요?

어떻게 사용합니까?

한번 해보세요.

프로비저닝

절차.

(1) build.gradle에서 Support Library의 종속성 설명

dependencies {
    ...
    compile 'com.android.support:recyclerview-v7:23.3.0'
    compile 'com.android.support:cardview-v7:23.3.0'

    ...
}

(2) 전체 RecyclearView의 레이아웃 정의

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/recycler_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

(3) 각 행의 레이아웃 정의

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="64dp"
    android:layout_margin="8dp"
    android:orientation="vertical">

    <TextView
        android:id="@+id/text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="8dp" />
</android.support.v7.widget.CardView>

(4) RecyclearView의 초기화 처리를 Activity로 기술하기

public class RecyclerViewActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private RecyclerViewAdapter recyclerViewAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_recycler_view);
        recyclerView = (RecyclerView) findViewById(R.id.recycler_view);

         // [1] 
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(linearLayoutManager);

         // [2] 
        recyclerViewAdapter = new RecyclerViewAdapter(getListData());
        recyclerView.setAdapter(recyclerViewAdapter);
    }

    private List<String> getListData() {
        ArrayList<String> list = new ArrayList<>();
        list.add("睦月");
        list.add("如月");
        list.add("弥生");
        list.add("卯月");
        list.add("皐月");
        list.add("水無月");
        list.add("文月");
        list.add("葉月");
        list.add("長月");
        list.add("神無月");
        list.add("霜月");
        list.add("師走");
        return list;
    }

}

(5) 데이터 및 View 링크를 위한 어댑터 클래스 만들기

public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder> {

    protected List<String> dataSet;

    // [3]
    public static class ViewHolder extends RecyclerView.ViewHolder {
        public final TextView textView;

        public ViewHolder(View v) {
            super(v);
            textView = (TextView) v.findViewById(R.id.text_view);
        }
    }

    // [4]
    public RecyclerViewAdapter(List<String> myDataSet) {
        dataSet = myDataSet;
    }

    // [5]
    @Override
    public RecyclerViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.row, parent, false);
        ViewHolder vh = new ViewHolder(v);
        return vh;
    }

    // [6]
    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        String text = dataSet.get(position);
        holder.textView.setText(text);
    }

    // [7]
    @Override
    public int getItemCount() {
        return dataSet.size();
    }

}

설명

감상