用户brandall发布了以下解决方案（在帖子的底部）：
import java.util.ArrayList;
import android.app.Activity;
import android.app.SearchManager;
import android.content.Context;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.SearchView;
import android.widget.SearchView.OnQueryTextListener;
import android.widget.TextView;
import android.widget.Toast;
public class ActivityTest extends Activity implements OnQueryTextListener {
private static final String COLUMN_ID = "_id";
private static final String COLUMN_TERM = "term";
private static final String DEFAULT = "default";
private SearchManager searchManager;
private SearchView searchView;
private MenuItem searchMenuItem;
private SuggestAdapter suggestionsAdapter;
private final ArrayList<String> suggestionsArray = new ArrayList<String>();
private final ArrayList<String> dummyArray = new ArrayList<String>();
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Create some dummy entries
dummyArray.add("apples");
dummyArray.add("oranges");
dummyArray.add("bananas");
dummyArray.add("pears");
dummyArray.add("plums");
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
searchMenuItem = menu.findItem(R.id.action_search);
searchView = (SearchView) searchMenuItem.getActionView();
searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
searchView.setOnQueryTextListener(this);
final MatrixCursor matrixCursor = getCursor(suggestionsArray);
suggestionsAdapter = new SuggestAdapter(this, matrixCursor, suggestionsArray);
searchView.setSuggestionsAdapter(suggestionsAdapter);
suggestionsAdapter.notifyDataSetChanged();
return true;
}
@Override
public boolean onQueryTextChange(final String newText) {
suggestionsArray.clear();
for (int i = 0; i < dummyArray.size(); i++) {
if (dummyArray.get(i).contains(newText)) {
suggestionsArray.add(dummyArray.get(i));
}
}
final MatrixCursor matrixCursor = getCursor(suggestionsArray);
suggestionsAdapter = new SuggestAdapter(this, matrixCursor, suggestionsArray);
searchView.setSuggestionsAdapter(suggestionsAdapter);
suggestionsAdapter.notifyDataSetChanged();
return true;
}
@Override
public boolean onQueryTextSubmit(final String query) {
// TODO Auto-generated method stub
return false;
}
private class SuggestAdapter extends CursorAdapter implements OnClickListener {
private final ArrayList<String> mObjects;
private final LayoutInflater mInflater;
private TextView tvSearchTerm;
public SuggestAdapter(final Context ctx, final Cursor cursor, final ArrayList<String> mObjects) {
super(ctx, cursor, 0);
this.mObjects = mObjects;
this.mInflater = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public View newView(final Context ctx, final Cursor cursor, final ViewGroup parent) {
final View view = mInflater.inflate(R.layout.list_item_search, parent, false);
tvSearchTerm = (TextView) view.findViewById(R.id.tvSearchTerm);
return view;
}
@Override
public void bindView(final View view, final Context ctx, final Cursor cursor) {
tvSearchTerm = (TextView) view.findViewById(R.id.tvSearchTerm);
final int position = cursor.getPosition();
if (cursorInBounds(position)) {
final String term = mObjects.get(position);
tvSearchTerm.setText(term);
view.setTag(position);
view.setOnClickListener(this);
} else {
// Something went wrong
}
}
private boolean cursorInBounds(final int position) {
return position < mObjects.size();
}
@Override
public void onClick(final View view) {
final int position = (Integer) view.getTag();
if (cursorInBounds(position)) {
final String selected = mObjects.get(position);
Toast.makeText(getApplicationContext(), selected, Toast.LENGTH_SHORT).show();
// Do something
} else {
// Something went wrong
}
}
}
private MatrixCursor getCursor(final ArrayList<String> suggestions) {
final String[] columns = new String[] { COLUMN_ID, COLUMN_TERM };
final Object[] object = new Object[] { 0, DEFAULT };
final MatrixCursor matrixCursor = new MatrixCursor(columns);
for (int i = 0; i < suggestions.size(); i++) {
object[0] = i;
object[1] = suggestions.get(i);
matrixCursor.addRow(object);
}
return matrixCursor;
}
}
由于我是一个完整的新手，适当的XML资源文件会是什么样的？
谢谢！
目前我有以下res文件：
布局文件夹：
activity_activity_test.xml：
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".ActivityTest">
<TextView android:text="@string/hello_world" android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</RelativeLayout>
activity_main.xml中：
<?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/status_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"/>
</LinearLayout>
list_item_search.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">
</LinearLayout>
菜单文件夹：
main.xml中
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/search"
android:title="search_title"
android:icon="@drawable/ic_launcher"
android:actionViewClass="android.widget.SearchView" />
</menu>
menu_activity_test.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools" tools:context=".ActivityTest">
<item android:id="@+id/action_settings" android:title="@string/action_settings"
android:orderInCategory="100" app:showAsAction="never" />
</menu>