Android实现简单实用的搜索框

本文实例为大家分享了android实现搜索框展示的具体代码，供大家参考，具体内容如下

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, boolean b) {
        if(b)
        {
          appsou.settext("");
        }
      }
    });


  }

  @override
  public void beforetextchanged(charsequence charsequence, int i, int i1, int i2) {

  }

  @override
  public void ontextchanged(charsequence charsequence, int i, int i1, int i2) {
    //获取输入框的值
    asou = appsou.gettext().tostring().trim();

      okhttp3utils.getinstance().doget(murl + "?keywords=" + asou + "&page=1", new gsonobjectcallback<mysoufr>() {

        @override
        public void onui(final mysoufr mysoufr) {
          /*适配器*/
          if (asou !=null&&!asou.equals("")) {
            sdata = mysoufr.getdata();
            mybase = new mybase();
            appsoulist.setadapter(mybase);
            appsoulist.setonitemclicklistener(new adapterview.onitemclicklistener() {
              @override
              public void onitemclick(adapterview<?> adapterview, view view, int i, long l) {
                intent intent = new intent(souactivity.this, sou_item_activity.class);
                intent.putextra("url",mysoufr.getdata().get(i).getdetailurl());
                startactivity(intent);
//                toast.maketext(souactivity.this, "假装你已经点击了哦！", toast.length_short).show();
              }
            });
          } else if(mybase!=null) {
            sdata.clear();
            mybase.notifydatasetchanged();
          }
        }

        @override
        public void onfailed(call call, ioexception e) {

        }
      });
    }


  @override
  public void aftertextchanged(editable editable) {

  }

  class mybase extends baseadapter{

    @override
    public int getcount() {
      return sdata.size();
    }

    @override
    public object getitem(int i) {
      return sdata.get(i);
    }

    @override
    public long getitemid(int i) {
      return i;
    }

    @override
    public view getview(int i, view view, viewgroup viewgroup) {
      vh vh=null;
      if(view==null){
        view=view.inflate(souactivity.this,r.layout.item_sou,null);
        vh=new vh();
        vh.tv1=(textview) view.findviewbyid(r.id.item_sou_text1);
        view.settag(vh);
      }else{
        vh = (vh) view.gettag();
      }
      log.d("main",sdata.get(i).gettitle());
      vh.tv1.settext(sdata.get(i).gettitle());
      return view;
    }
  }
  class vh{
    textview tv1;
  }
}

activity_sou

<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:id="@+id/activity_sou"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  tools:context="sizu.nsg.souactivity">
  <edittext
    android:id="@+id/app_sou"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="searching..."
    />
  <listview
    android:id="@+id/app_sou_list"
    android:layout_below="@id/app_sou"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
  </listview>

</relativelayout>

item_sou

<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent">
  <textview
    android:id="@+id/item_sou_text1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="123"
    />
</relativelayout>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。