Question

伙计我需要一些帮助。我一直在尝试在我的项目中实现SearchView。但是我的项目包含一个列表视图，附带了一个自定义适配器..我搜索了很多站点，但都有使用的实例一个arrayadapter ..假设我有一个Employee类，它包含名称和年龄字段。如何使用他们的名称过滤员工..

public class MainActivity extends Activity implements SearchView.OnQueryTextListener
{
SearchView mSearchView;
ListView mListView;
//String mStrings[]= {"abc","def","efg","ghi","ijk","apple","agxhsdgc","abbbcc"};
ArrayList<Employee> emp_list=null;
EmployeeAdapter emp_adapter=null;

    @Override
    protected void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mSearchView=(SearchView) findViewById(R.id.searchView1);
        mListView=(ListView) findViewById(R.id.listView1);

        emp_list=new ArrayList<Employee>();
        emp_list.add(new Employee("ABC", 24));
        emp_list.add(new Employee("ACB", 24));
        emp_list.add(new Employee("BVF", 28));
        emp_list.add(new Employee("BRT", 28));
        emp_list.add(new Employee("ANM", 23));

        emp_adapter=new EmployeeAdapter(MainActivity.this, emp_list);
        mListView.setAdapter(emp_adapter);

//      mListView.setAdapter(new ArrayAdapter<String>(this,
//                android.R.layout.simple_list_item_1,
//                mStrings));
        mListView.setTextFilterEnabled(true);
        setupSearchView();


    }
     private void setupSearchView() 
     {
            mSearchView.setIconifiedByDefault(false);
            mSearchView.setOnQueryTextListener(this);
            mSearchView.setSubmitButtonEnabled(true); 
            mSearchView.setQueryHint("Search Here");
        }

        @Override
        public boolean onQueryTextChange(String newText) 
        {

            if (TextUtils.isEmpty(newText.toString())) {
                mListView.clearTextFilter();
            } else {
                mListView.setFilterText(newText.toString());
            }
            return true;
        }

        @Override
        public boolean onQueryTextSubmit(String query) 
        {
            return false;
        }


    }

这是我的扩展BaseAdapter的适配器类..

public class EmployeeAdapter extends BaseAdapter {

    Context ctx;
    ArrayList<Employee> emp_list;
    LayoutInflater linf=null;
    EmployeeHolder holder=null;






    public EmployeeAdapter(Context ctx, ArrayList<Employee> emp_list) {
        super();
        this.ctx = ctx;
        this.emp_list = emp_list;
        linf=(LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    public class EmployeeHolder
    {
        TextView name;
        TextView age;

    }



    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return emp_list.size();
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return emp_list.get(position);
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub

        if(convertView==null)
        {
            convertView=linf.inflate(R.layout.row, parent, false);
            holder=new EmployeeHolder();
            holder.name=(TextView) convertView.findViewById(R.id.name);
            holder.age=(TextView) convertView.findViewById(R.id.age);

            convertView.setTag(holder);
        }
        else
        {
            holder=(EmployeeHolder) convertView.getTag();
        }

        Employee e=(Employee) getItem(position);


        holder.name.setText(e.getName());
        holder.age.setText(String.valueOf(e.getAge()));

        return convertView;

    }

}

先谢谢..

Answer 1

试试这种方式，希望这会对你有帮助......

<强> activity_main.xml中

    <SearchView
        android:id="@+id/searchView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>


    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"/>


</LinearLayout>

<强> row.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/txtName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/txtAge"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="5dp"/>

</LinearLayout>

<强> MainActivity.java

public class MainActivity extends Activity implements SearchView.OnQueryTextListener
{
    private SearchView mSearchView;
    private ListView mListView;
    private ArrayList<Employee> employeeArrayList;
    private EmployeeAdapter employeeAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mSearchView=(SearchView) findViewById(R.id.searchView1);
        mListView=(ListView) findViewById(R.id.listView1);

        employeeArrayList=new ArrayList<Employee>();
        employeeArrayList.add(new Employee("ABC", 24));
        employeeArrayList.add(new Employee("ACB", 24));
        employeeArrayList.add(new Employee("BVF", 28));
        employeeArrayList.add(new Employee("BRT", 28));
        employeeArrayList.add(new Employee("ANM", 23));

        employeeAdapter=new EmployeeAdapter(MainActivity.this, employeeArrayList);
        mListView.setAdapter(employeeAdapter);

        mListView.setTextFilterEnabled(true);
        setupSearchView();


    }
    private void setupSearchView()
    {
        mSearchView.setIconifiedByDefault(false);
        mSearchView.setOnQueryTextListener(this);
        mSearchView.setSubmitButtonEnabled(true);
        mSearchView.setQueryHint("Search Here");
    }

    @Override
    public boolean onQueryTextChange(String newText)
    {

        if (TextUtils.isEmpty(newText)) {
            mListView.clearTextFilter();
        } else {
            mListView.setFilterText(newText);
        }
        return true;
    }

    @Override
    public boolean onQueryTextSubmit(String query)
    {
        return false;
    }


}

<强> EmployeeAdapter.java

public class EmployeeAdapter extends BaseAdapter implements Filterable {

    public Context context;
    public ArrayList<Employee> employeeArrayList;
    public ArrayList<Employee> orig;

    public EmployeeAdapter(Context context, ArrayList<Employee> employeeArrayList) {
        super();
        this.context = context;
        this.employeeArrayList = employeeArrayList;
    }


    public class EmployeeHolder
    {
        TextView name;
        TextView age;
    }

    public Filter getFilter() {
        return new Filter() {

            @Override
            protected FilterResults performFiltering(CharSequence constraint) {
                final FilterResults oReturn = new FilterResults();
                final ArrayList<Employee> results = new ArrayList<Employee>();
                if (orig == null)
                    orig = employeeArrayList;
                if (constraint != null) {
                    if (orig != null && orig.size() > 0) {
                        for (final Employee g : orig) {
                            if (g.getName().toLowerCase()
                                    .contains(constraint.toString()))
                                results.add(g);
                        }
                    }
                    oReturn.values = results;
                }
                return oReturn;
            }

            @SuppressWarnings("unchecked")
            @Override
            protected void publishResults(CharSequence constraint,
                                          FilterResults results) {
                employeeArrayList = (ArrayList<Employee>) results.values;
                notifyDataSetChanged();
            }
        };
    }

    public void notifyDataSetChanged() {
        super.notifyDataSetChanged();
    }


    @Override
    public int getCount() {
        return employeeArrayList.size();
    }

    @Override
    public Object getItem(int position) {
        return employeeArrayList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        EmployeeHolder holder;
        if(convertView==null)
        {
            convertView=LayoutInflater.from(context).inflate(R.layout.row, parent, false);
            holder=new EmployeeHolder();
            holder.name=(TextView) convertView.findViewById(R.id.txtName);
            holder.age=(TextView) convertView.findViewById(R.id.txtAge);
            convertView.setTag(holder);
        }
        else
        {
            holder=(EmployeeHolder) convertView.getTag();
        }

        holder.name.setText(employeeArrayList.get(position).getName());
        holder.age.setText(String.valueOf(employeeArrayList.get(position).getAge()));

        return convertView;

    }

}

<强> Employee.java

public class Employee {

    private String name;
    private int age;

    public  Employee(String name,int age){
        this.name = name;
        this.age = age;
    }

    public String getName(){
        return name;
    }

    public int getAge(){
        return age;
    }
}

Answer 2

答案很好，但仍有一些问题（onclick错误的位置，serchview文本叠加），如评论部分所述，所以你也可以通过以下方式做到这一点

参考更多信息：searchview listview android

我已经测试过，到目前为止没有发现任何问题，如果您发现任何问题，请在评论部分提及。

模型类：MovieNames.java

public class MovieNames {
    private String movieName;

    public MovieNames(String movieName) {
        this.movieName = movieName;
    }

    public String getAnimalName() {
        return this.movieName;
    }

}

2：listview_item.xml文件：

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:padding="10dp">


    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</RelativeLayout>

ListView的ListViewAdapter.java类适配器：

   import android.content.Context;
   import android.view.LayoutInflater;
   import android.view.View;
   import android.view.ViewGroup;
   import android.widget.BaseAdapter;
   import android.widget.TextView;
   import java.util.ArrayList;
   import java.util.Locale;



public class ListViewAdapter extends BaseAdapter {

// Declare Variables

Context mContext;
LayoutInflater inflater;
private ArrayList<MovieNames> arraylist;

public ListViewAdapter(Context context ) {
    mContext = context;
    inflater = LayoutInflater.from(mContext);
    this.arraylist = new ArrayList<MovieNames>();
    this.arraylist.addAll(MainActivity.movieNamesArrayList);
}

public class ViewHolder {
    TextView name;
}

@Override
public int getCount() {
    return MainActivity.movieNamesArrayList.size();
}

@Override
public MovieNames getItem(int position) {
    return MainActivity.movieNamesArrayList.get(position);
}

@Override
public long getItemId(int position) {
    return position;
}

public View getView(final int position, View view, ViewGroup parent) {
    final ViewHolder holder;
    if (view == null) {
        holder = new ViewHolder();
        view = inflater.inflate(R.layout.listview_item, null);
        // Locate the TextViews in listview_item.xml
        holder.name = (TextView) view.findViewById(R.id.name);
        view.setTag(holder);
    } else {
        holder = (ViewHolder) view.getTag();
    }
    // Set the results into TextViews
    holder.name.setText(MainActivity.movieNamesArrayList.get(position).getAnimalName());
    return view;
}

// Filter Class
public void filter(String charText) {
    charText = charText.toLowerCase(Locale.getDefault());
    MainActivity.movieNamesArrayList.clear();
    if (charText.length() == 0) {
        MainActivity.movieNamesArrayList.addAll(arraylist);
    } else {
        for (MovieNames wp : arraylist) {
            if (wp.getAnimalName().toLowerCase(Locale.getDefault()).contains(charText)) {
                MainActivity.movieNamesArrayList.add(wp);
            }
        }
    }
    notifyDataSetChanged();
     }

  }

MainActivity.java类：

      import android.support.v7.app.AppCompatActivity;
      import android.os.Bundle;
      import android.view.View;
      import android.widget.AdapterView;
      import android.widget.ListView;
      import android.widget.SearchView;
      import android.widget.Toast;
      import java.util.ArrayList;

       public class MainActivity extends AppCompatActivity implements SearchView.OnQueryTextListener {

       // Declare Variables
     private ListView list;
  private ListViewAdapter adapter;
  private SearchView editsearch;
      private String[] moviewList;
     public static ArrayList<MovieNames> movieNamesArrayList = new ArrayList<MovieNames>();

      @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

// Generate sample data

moviewList = new String[]{"Xmen", "Titanic", "Captain America",
        "Iron man", "Rocky", "Transporter", "Lord of the rings", "The jungle book",
        "Tarzan","Cars","Shreck"};

// Locate the ListView in listview_main.xml
list = (ListView) findViewById(R.id.listview);

movieNamesArrayList = new ArrayList<>();

for (int i = 0; i < moviewList.length; i++) {
    MovieNames movieNames = new MovieNames(moviewList[i]);
    // Binds all strings into an array
    movieNamesArrayList.add(movieNames);
}

// Pass results to ListViewAdapter Class
adapter = new ListViewAdapter(this);

// Binds the Adapter to the ListView
list.setAdapter(adapter);

// Locate the EditText in listview_main.xml
editsearch = (SearchView) findViewById(R.id.search);
editsearch.setOnQueryTextListener(this);

list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Toast.makeText(MainActivity.this, movieNamesArrayList.get(position).getAnimalName(), Toast.LENGTH_SHORT).show();
    }
});
          }

     @Override
    public boolean onQueryTextSubmit(String query) {

              return false;
     }



    @Override
    public boolean onQueryTextChange(String newText) {
          String text = newText;
          adapter.filter(text);
         return false;
     }
   }

Answer 3

源代码

https://drive.google.com/open?id=0BzBKpZ4nzNzUOFlxeHhuWmF0Q1U

package example.abhiandroid.searchviewexample;

import android.database.Cursor;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.ListView;
import android.widget.SearchView;

import java.util.ArrayList;

public class SearchViewActivity extends AppCompatActivity implements SearchView.OnQueryTextListener {

    // Declare Variables
    ListView list;
    ListViewAdapter adapter;
    public static SearchView editsearch;
    String[] animalNameList;
    ArrayList<AnimalNames> arraylist = new ArrayList<AnimalNames>();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_search);
        // Generate sample data

        animalNameList = new String[]{"Lion", "Tiger", "Dog",
                "Cat", "Tortoise", "Rat", "Elephant", "Fox",
                "Cow","Donkey","Monkey"};

        // Locate the ListView in listview_main.xml
        list = (ListView) findViewById(R.id.listview);

        for (int i = 0; i < animalNameList.length; i++) {
            AnimalNames animalNames = new AnimalNames(animalNameList[i]);
            // Binds all strings into an array
            arraylist.add(animalNames);
        }

        // Pass results to ListViewAdapter Class
        adapter = new ListViewAdapter(this, arraylist);

        // Binds the Adapter to the ListView
        list.setAdapter(adapter);

        // Locate the EditText in listview_main.xml
        editsearch = (SearchView) findViewById(R.id.search);
        editsearch.setOnQueryTextListener(this);

        editsearch.setOnSuggestionListener(new SearchView.OnSuggestionListener() {

            @Override
            public boolean onSuggestionSelect(int position) {
                return true;
            }

            @Override
            public boolean onSuggestionClick(int position) {
                Cursor cursor= editsearch.getSuggestionsAdapter().getCursor();
                cursor.moveToPosition(position);
                String suggestion =cursor.getString(2);//2 is the index of col containing suggestion name.
                editsearch.setQuery(suggestion,true);//setting suggestion
                return true;
            }
        });

    }

    @Override
    public boolean onQueryTextSubmit(String query) {
        Log.e("keshav","query ->"+query);
        return false;
    }

    @Override
    public boolean onQueryTextChange(String newText) {
        String text = newText;

        Log.e("keshav","newText ->"+newText);

        adapter.filter(text);
        return false;
    }
}


package example.abhiandroid.searchviewexample;

import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

public class ListViewAdapter extends BaseAdapter {

    // Declare Variables
    Context mContext;
    LayoutInflater inflater;
    private List<AnimalNames> animalNamesList = null;
    private ArrayList<AnimalNames> arraylist;

    public ListViewAdapter(Context context, List<AnimalNames> animalNamesList) {
        mContext = context;
        this.animalNamesList = animalNamesList;
        inflater = LayoutInflater.from(mContext);
        this.arraylist = new ArrayList<AnimalNames>();
        this.arraylist.addAll(animalNamesList);
    }

    public class ViewHolder {
        TextView name;
    }

    @Override
    public int getCount() {
        return animalNamesList.size();
    }

    @Override
    public AnimalNames getItem(int position) {
        return animalNamesList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    public View getView(final int position, View view, ViewGroup parent) {
        final ViewHolder holder;
        if (view == null) {
            holder = new ViewHolder();
            view = inflater.inflate(R.layout.search_list_view_item, null);
            // Locate the TextViews in search_list_view_itemiew_item.xml
            holder.name = (TextView) view.findViewById(R.id.name);
            view.setTag(holder);
        } else {
            holder = (ViewHolder) view.getTag();
        }
        // Set the results into TextViews

        holder.name.setText(animalNamesList.get(position).getAnimalName());

        view.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.e("keshav","click  list item ->"+animalNamesList.get(position).getAnimalName());
                SearchViewActivity.editsearch.setQuery(animalNamesList.get(position).getAnimalName(), false);

                Log.e("keshav","click  size ->"+animalNamesList.size());
                // TOdo size always 1 Important See cs Electric Project in Holostik
                Log.e("keshav","click  size ->"+animalNamesList.get(0).getAnimalName());
            }
        });
        return view;
    }

    // Filter Class
    public void filter(String charText) {
        charText = charText.toLowerCase(Locale.getDefault());
        animalNamesList.clear();
        if (charText.length() == 0) {
            animalNamesList.addAll(arraylist);
        } else {
            for (AnimalNames wp : arraylist) {
                if (wp.getAnimalName().toLowerCase(Locale.getDefault()).contains(charText)) {
                    animalNamesList.add(wp);
                }
            }
        }
        notifyDataSetChanged();
    }

}

package example.abhiandroid.searchviewexample;

public class AnimalNames
{
    private String animalName;

    public AnimalNames(String animalName) {
        this.animalName = animalName;
    }

    public String getAnimalName() {
        return this.animalName;
    }

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <SearchView
        android:id="@+id/search"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:iconifiedByDefault="false">

        <requestFocus />
    </SearchView>

    <ListView
        android:id="@+id/listview"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_below="@+id/search" />

</RelativeLayout>


list item.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:padding="10dp">

    <TextView
        android:id="@+id/nameLabel"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Animal : " />

    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/nameLabel" />

</RelativeLayout>

快乐编码

Answer 4

菜单：menu_doctor_list.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/action_search"
        android:icon="@drawable/ic_search_white_24dp"
        app:showAsAction="always|collapseActionView"
        app:actionViewClass="android.support.v7.widget.SearchView"
        android:title="Search"/>
</menu>

活动：

public class ListActivity extends AppActivity implements SearchView.OnQueryTextListener { 

public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater menuInflater = getMenuInflater();
        menuInflater.inflate(R.menu.menu_doctor_list, menu);

        MenuItem searchItem = menu.findItem(R.id.action_search);

        SearchView searchView = (SearchView) searchItem.getActionView();
        searchView.setQueryHint("Search Doctor by Name or Specialization");
        searchView.setOnQueryTextListener(this);
        searchView.setOnCloseListener(this);
        searchView.setIconified(false);

        return true;
    }

@Override
    public boolean onQueryTextSubmit(String query) {
        System.out.println("query = " + query);
        doctorListAdapter.getFilter().filter(query);
        return true;
    }

    @Override
    public boolean onQueryTextChange(String newText) {
        System.out.println("query = " + newText);
        doctorListAdapter.getFilter().filter(newText);
        return true;
    }
}

适配器：

public class ListAdapter extends RecyclerView.Adapter<ListAdapter.BindingHolder> implements Filterable {

private List<DoctorInfo> mOriginalValues; // Original Values
    private List<DoctorInfo> mDisplayedValues;    // Values to be displayed use this in onBindViewHolder()

    public DoctorListAdapter(Context context, List<DoctorInfo> appointmentList) {
        this.mOriginalValues = appointmentList;
        this.mDisplayedValues = appointmentList;
    }

@Override
    public Filter getFilter() {
        Filter filter = new Filter() {

            @SuppressWarnings("unchecked")
            @Override
            protected void publishResults(CharSequence constraint, FilterResults results) {

                mDisplayedValues = (ArrayList<DoctorInfo>) results.values; // has the filtered values
                notifyDataSetChanged();  // notifies the data with new filtered values
            }

            @Override
            protected FilterResults performFiltering(CharSequence constraint) {
                FilterResults results = new FilterResults();        // Holds the results of a filtering operation in values
                ArrayList<DoctorInfo> FilteredArrList = new ArrayList<DoctorInfo>();

                if (mOriginalValues == null) {
                    mOriginalValues = new ArrayList<DoctorInfo>(mDisplayedValues); // saves the original data in mOriginalValues
                }

                /********
                 *
                 *  If constraint(CharSequence that is received) is null returns the mOriginalValues(Original) values
                 *  else does the Filtering and returns FilteredArrList(Filtered)
                 *
                 ********/
                if (constraint == null || constraint.length() == 0) {

                    // set the Original result to return
                    results.count = mOriginalValues.size();
                    results.values = mOriginalValues;
                } else {
                    constraint = constraint.toString().toLowerCase();
                    for (int i = 0; i < mOriginalValues.size(); i++) {
                        String data = mOriginalValues.get(i).getFirstname() + " " + mOriginalValues.get(i).getLastname();
                        if (data.toLowerCase().startsWith(constraint.toString())) {
                            FilteredArrList.add(mOriginalValues.get(i));
                        }
                    }
                    // set the Filtered result to return
                    results.count = FilteredArrList.size();
                    results.values = FilteredArrList;
                }
                return results;
            }
        };
        return filter;
    }
}

SearchView在具有自定义适配器的ListView中

4 个答案: