RecyclerView 和 ViewHolder

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public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_main);        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);        setActionBar(toolbar);        final SwipeRefreshLayout srl = (SwipeRefreshLayout) findViewById(R.id.srl);        srl.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {            @Override            public void onRefresh() {                srl.postDelayed(new Runnable() {                    @Override                    public void run() {                        srl.setRefreshing(false);                    }                },3000);            }        });        srl.setColorSchemeResources(android.R.color.holo_blue_bright,                android.R.color.holo_green_light,                android.R.color.holo_orange_light,                android.R.color.holo_red_light);        RecyclerView mRecyclerView = (RecyclerView) findViewById(R.id.recyclerview);        StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(2,LinearLayoutManager.VERTICAL);        //layoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);        mRecyclerView.setLayoutManager(layoutManager);        mRecyclerView.setAdapter(new Myadapter());    }    private class Myadapter extends RecyclerView.Adapter<Myadapter.ListHoldewer>{        //設定條目        @Override        public ListHoldewer onCreateViewHolder(ViewGroup parent, int viewType) {            //TextView textview = new TextView(MainActivity.this);            View view = View.inflate(MainActivity.this, R.layout.aaaa, null);            return new ListHoldewer(view);        }        //擷取條目資料        @Override        public void onBindViewHolder(ListHoldewer holder, int position) {            holder.setData(position);        }        //擷取條目個數        @Override        public int getItemCount() {            return 100;        }        class ListHoldewer extends RecyclerView.ViewHolder{            TextView textview1;            TextView textview2;            View mitemView;            public ListHoldewer(View itemView) {                super(itemView);                mitemView = itemView;                textview1 = (TextView) itemView.findViewById(R.id.text1);                textview2 = (TextView) itemView.findViewById(R.id.text2);            }            public void setData(int position) {                textview1.setText("當前的位置:"+position);                textview2.setText("當前顯示的文本");                mitemView.setOnClickListener(new View.OnClickListener() {                    @Override                    public void onClick(View v) {                        Toast.makeText(MainActivity.this,textview1.getText(),Toast.LENGTH_LONG).show();                    }                });            }        }    }}

 

RecyclerView 和 ViewHolder