RecycleView的使用

1.添加依賴：  

compile 'com.android.support:recyclerview-v7:25.1.1'

2.適配器：

 

public class TestRecyAdapter  extends RecyclerView.Adapter<TestRecyAdapter.MyHolder>{

    List<Test> list;
    Context context;

    public TestRecyAdapter(List<Test> list,Context context){
        this.list = list;
        this.context = context;
    }

    @Override
    public MyHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item,parent,false);
        MyHolder vh = new MyHolder(view);
        return vh;
    }

    @Override
    public void onBindViewHolder(MyHolder holder, int position) {
        holder.tv1.setText(list.get(position).getName());
        holder.tv2.setText(list.get(position).getAge());
    }

    @Override
    public int getItemCount() {
        return list.size();
    }
    
    public static class MyHolder extends RecyclerView.ViewHolder{
        TextView tv1,tv2;
        public MyHolder(View itemView) {
            super(itemView);
            tv1 = (TextView) itemView.findViewById(R.id.textView2);
            tv2 = (TextView) itemView.findViewById(R.id.textView3);
        }
    }
}

main.xml

 

<android.support.v7.widget.RecyclerView
    android:id="@+id/recycler_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

activity調用

public class TestActivity extends AppCompatActivity {
    List<Test> list = new ArrayList<>();

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_phone);
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(linearLayoutManager);
        TestRecyAdapter adapter = new TestRecyAdapter(list,this);
        recyclerView.setAdapter(adapter);

    }
}

設置佈局方向：

  

橫向佈局

如果想要一個橫向的List只要設置LinearLayoutManager如下就行，注意要聲明mLayoutManager的類型是LinearLayoutManager而不是父類LayoutManager：

1. mLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);

Grid佈局

如果想要一個Grid佈局的列表，只要聲明LayoutManager爲GridLayoutManager即可：

1. mLayoutManager = new GridLayoutManager(context,columNum);
2. mRecyclerView.setLayoutManager(mLayoutManager);

注意，在Grid佈局中也可以設置列表的Orientation屬性，來實現橫向和縱向的Grid佈局。

瀑布流佈局

瀑布流就使用StaggeredGridLayoutManager吧，具體方法與上面類似，就不做介紹啦。

manifest註冊

<activity android:name="com.mxdnp.adapter.TestActivity"
    android:theme="@style/AppTheme"/>

adapter中還可以添加點擊事件、長按事件

@Override
public MyHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.test_zj,parent,false);
    MyHolder vh = new MyHolder(view);
    vh.tv1.setOnClickListener(new View.OnClickListener() { //點擊事件
        @Override
        public void onClick(View view) {
           
        }
    });
    vh.tv2.setOnLongClickListener(new View.OnLongClickListener() { //長按事件
        @Override
        public boolean onLongClick(View view) {
            return false;
        }
    });
    return vh;
}