展示效果

代码区
SouActivity
public class SouActivity extends AppCompatActivity implements TextWatcher{
@BindView(R.id.app_sou)
EditText appSou;
@BindView(R.id.app_sou_list)
ListView appSouList;
@BindView(R.id.activity_sou)
RelativeLayout activitySou;
private String mUrl = "http://120.27.23.105/product/searchProducts";
private List<MySouFr.DataBean> sdata;
private MyBase myBase;
private String asou;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sou);
ButterKnife.bind(this);
sdata=new ArrayList<MySouFr.DataBean>();
appSou.addTextChangedListener(this);
appSou.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolea