如何使用SherlockActionbar实现带有listview的搜索小部件?

时间:2013-03-27 03:29:22

标签: android listview actionbarsherlock searchview

所以,我正在尝试在我的应用程序上实现此代码(https://stackoverflow.com/a/14085524/2213992)但到目前为止没有成功。

这是我的MainActivity.java:

import java.util.List;

import android.app.SearchManager;
import android.content.Context;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.SearchView;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockListActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;

public class MainActivity extends SherlockListActivity implements
// public class MainActivity extends ListActivity implements
        ActionBar.TabListener {
    private List<Scos> scoss;
    ScosDataSource datasource;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        datasource = new ScosDataSource(this);
        datasource.open();
        scoss = datasource.findAll();
        if (scoss.size() == 0) {
            createData();
            scoss = datasource.findAll();
        }
        refreshDisplay();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getSupportMenuInflater().inflate(R.menu.options, menu);

        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
        SearchView searchView = (SearchView) menu.findItem(R.id.menu_search)
                .getActionView();
        if (null != searchView) {
            searchView.setSearchableInfo(searchManager
                    .getSearchableInfo(getComponentName()));
            searchView.setIconifiedByDefault(false);
        }

        SearchView.OnQueryTextListener queryTextListener = new SearchView.OnQueryTextListener() {

            public boolean onQueryTextChange(String newText) {
                // this is your adapter that will be filtered
                adapter.getFilter().filter(newText);
                return true;
            }

            public boolean onQueryTextSubmit(String query) {
                // this is your adapter that will be filtered
                adapter.getFilter().filter(query);
                return true;
            }
        };
        searchView.setOnQueryTextListener(queryTextListener);

        return super.onCreateOptionsMenu(menu);

        // return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            return (true);
        }
        return (super.onOptionsItemSelected(item));
    }

    public void refreshDisplay() {

        ArrayAdapter<Scos> adapter = new ScosListAdapter(this, scoss);
        setListAdapter(adapter);
    }

    @Override
    protected void onResume() {
        super.onResume();
        datasource.open();
    }

    @Override
    protected void onPause() {
        super.onPause();
        datasource.close();

    }

    private void createData() {
    }

}

这是我的option.xml:

<menu xmlns:android="http://schemas.android.com/apk/res/android" >

<item
    android:id="@+id/menu_search"
    android:actionViewClass="com.actionbarsherlock.widget.SearchView"
    android:showAsAction="ifRoom|collapseActionView"
    android:icon="@drawable/ic_action_search"
    android:title="@Search">
</item>

</menu>

提前感谢您的帮助。

哈维尔

1 个答案:

答案 0 :(得分:1)

我希望它会有所帮助,因为我遇到了同样的问题。

要使用适配器,最好的方法是该类实现SearchView.OnQueryTextListener,然后您不必创建内部类,您将拥有适配器。

在您的代码中将是:

public class MainActivity extends SherlockListActivity implements SearchView.OnQueryTextListener

然后在课堂上你必须定义方法。适配器将是您的ArrayAdapter类适配器中的适配器。但是你应该在课堂上将它定义为私人。

public boolean onQueryTextChange(String newText) {
    // this is your adapter that will be filtered
    adapter.getFilter().filter(newText);
    return true;
}

public boolean onQueryTextSubmit(String query) {
    // this is your adapter that will be filtered
    adapter.getFilter().filter(query);
    return true;
}

在您要设置的行中:

 searchView.setOnQueryTextListener(queryTextListener);

应该是:

 searchView.setOnQueryTextListener(this);

如果您有任何问题请告诉我,我今天遇到了类似的问题并且无需回答即可阅读您的问题。