我有一个带有3个textviews的recyclerview适配器.我用模型类来设置文本.现在我想使用具有不同布局的相同适配器和不同的类,只有1个textview.当我尝试时,我得到NullPointerException(可能是因为其他2个textviews是空白的).有没有办法使用不同布局和不同类别的相同适配器？
// second class - I used 1 textview
public class Customers extends AppCompatActivity{
private CShowProgress cShowProgress;
private RecyclerView mRecyclerView;
private TimeLineAdapter mTimeLineAdapter;
private List<TimeLineModel> mDataList = new ArrayList<>();
private static final String CUSTOMERS = "http://192.168.200.3/ubooktoday/android/showspacustomerlist";
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.customers);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
cShowProgress = CShowProgress.getInstance();
mRecyclerView = (RecyclerView) findViewById(R.id.recyclerView);
mRecyclerView.setLayoutManager(getLinearLayoutManager());
mRecyclerView.setHasFixedSize(true);
showCustomers();
}
private void showCustomers() {
if(mDataList!=null )mDataList.clear();
cShowProgress.showProgress(Customers.this);
StringRequest stringRequest = new StringRequest(Request.Method.POST, CUSTOMERS,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
cShowProgress.hideProgress(); …