我已经使用Volley Library实现了一个listView来自本教程Custom Volley ListView
在此之后我实现了SearchView并像这样搜索结果活动
BaseActivity
import android.app.AlertDialog;
import android.app.SearchManager;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.FrameLayout;
import android.widget.ListView;
import android.widget.SearchView;
import com.enventpc_03.nav11.adapters.NavigationDrawerListAdapter;
import com.enventpc_03.nav11.adater.CustomListAdapter;
import com.enventpc_03.nav11.models.Items;
import java.util.ArrayList;
/**
* @author dipenp
* <p>
* This activity will add Navigation Drawer for our application and all the code related to navigation drawer.
* We are going to extend all our other activites from this BaseActivity so that every activity will have Navigation Drawer in it.
* This activity layout contain one frame layout in which we will add our child activity layout.
*/
public class BaseActivity extends ActionBarActivity {
protected static final int CAMERA_REQUEST = 0;
protected static final int RESULT_LOAD_IMAGE = 1;
public CustomListAdapter adapter;
/**
* Static variable for selected item position. Which can be used in child activity to know which item is selected from the list.
*/
protected static int position;
/**
* This flag is used just to check that launcher activity is called first time
* so that we can open appropriate Activity on launch and make list item position selected accordingly.
*/
private static boolean isLaunch = true;
/**
* Frame layout: Which is going to be used as parent layout for child activity layout.
* This layout is protected so that child activity can access this
*/
protected FrameLayout frameLayout;
/**
* ListView to add navigation drawer item in it.
* We have made it protected to access it in child class. We will just use it in child class to make item selected according to activity opened.
*/
protected ListView mDrawerList;
/**
* List item array for navigation drawer items.
*/
protected String[] listArray = {"Home"};
protected ArrayList<Items> _items;
/**
* Base layout node of this Activity.
*/
private DrawerLayout mDrawerLayout;
/**
* Drawer listner class for drawer open, close etc.
*/
private ActionBarDrawerToggle actionBarDrawerToggle;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.navigation_drawer_base_layout);
frameLayout = (FrameLayout) findViewById(R.id.content_frame);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.left_drawer);
// handleIntent(getIntent());
// set a custom shadow that overlays the main content when the drawer opens
//mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
_items = new ArrayList<Items>();
_items.add(new Items("Home", R.drawable.ic_home1));
_items.add(new Items("Exit", R.drawable.ic_exit1));
// //Adding header on list view
// View header = (View)getLayoutInflater().inflate(R.layout.list_view_header_layout, null);
// mDrawerList.addHeaderView(header);
// set up the drawer's list view with items and click listener
mDrawerList.setAdapter(new NavigationDrawerListAdapter(this, _items));
mDrawerList.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
openActivity(position);
}
});
// Change Action Bar Background Color "may be not works"
getSupportActionBar().setBackgroundDrawable(new ColorDrawable(Color.parseColor("#ff8c00")));
// enable ActionBar app icon to behave as action to toggle nav drawer
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setHomeAsUpIndicator(R.drawable.action);
// ActionBarDrawerToggle ties together the the proper interactions between the sliding drawer and the action bar app icon
actionBarDrawerToggle = new ActionBarDrawerToggle(
this, /* host Activity */
mDrawerLayout, /* DrawerLayout object */
R.drawable.ic_nirvan, /* nav drawer image to replace 'Up' caret */
R.string.open_drawer, /* "open drawer" description for accessibility */
R.string.close_drawer) /* "close drawer" description for accessibility */
/*mDrawerToggle = new ActionBarDrawerToggle(
getActivity(),
mDrawerLayout,
R.string.navigation_drawer_open,
R.string.navigation_drawer_close
)
* */ {
@Override
public void onDrawerClosed(View drawerView) {
// getSupportActionBar().setTitle(listArray[position]);
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
super.onDrawerClosed(drawerView);
}
@Override
public void onDrawerOpened(View drawerView) {
getSupportActionBar().setTitle(getString(R.string.app_name));
invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
super.onDrawerOpened(drawerView);
}
@Override
public void onDrawerSlide(View drawerView, float slideOffset) {
super.onDrawerSlide(drawerView, slideOffset);
}
@Override
public void onDrawerStateChanged(int newState) {
super.onDrawerStateChanged(newState);
}
};
mDrawerLayout.setDrawerListener(actionBarDrawerToggle);
/**
* As we are calling BaseActivity from manifest file and this base activity is intended just to add navigation drawer in our app.
* We have to open some activity with layout on launch. So we are checking if this BaseActivity is called first time then we are opening our first activity.
* */
if (isLaunch) {
/**
*Setting this flag false so that next time it will not open our first activity.
*We have to use this flag because we are using this BaseActivity as parent activity to our other activity.
*In this case this base activity will always be call when any child activity will launch.
*/
isLaunch = false;
openActivity(0);
}
}
//
/**
* @param position Launching activity when any list item is clicked.
*/
protected void openActivity(int position) {
/**
* We can set title & itemChecked here but as this BaseActivity is parent for other activity,
* So whenever any activity is going to launch this BaseActivity is also going to be called and
* it will reset this value because of initialization in onCreate method.
* So that we are setting this in child activity.
*/
mDrawerLayout.closeDrawer(mDrawerList);
BaseActivity.position = position; //Setting currently selected position in this field so that it will be available in our child activities.
switch (position) {
case 0:
startActivity(new Intent(this, Login.class));
break;
.setNegativeButton("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
break;
default:
break;
}
// Toast.makeText(this, "Selected Item Position::"+position, Toast.LENGTH_LONG).show();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
// Inflate menu to add items to action bar if it is present.
inflater.inflate(R.menu.main, menu);
SearchManager manager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
SearchView search = (SearchView) menu.findItem(R.id.action_search).getActionView();
search.setSearchableInfo(manager.getSearchableInfo(getComponentName()));
search.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override public boolean onQueryTextChange(String newText)
{
PerfromSearch(newText);
return false;
}
});
return true;
}
void PerfromSearch(String query) {
adapter.filter(query);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// The action bar home/up action should open or close the drawer.
// ActionBarDrawerToggle will take care of this.
if (actionBarDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
switch (item.getItemId()) {
case R.id.action_settings:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
/* Called whenever we call invalidateOptionsMenu() */
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// If the nav drawer is open, hide action items related to the content view
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
}
列出凌空列表视图的其他活动
import android.app.ProgressDialog;
import android.app.SearchManager;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.VolleyLog;
import com.android.volley.toolbox.JsonArrayRequest;
import com.enventpc_03.nav11.adater.CustomListAdapter;
import com.enventpc_03.nav11.app.AppController;
import com.enventpc_03.nav11.model.Movie;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.List;
public class SearchPeople extends BaseActivity {
// Log tag
private static final String TAG = SearchPeople.class.getSimpleName();
// Movies json url
// Movies json url
private static String url = "http://myulr/demo.php";
private static String Title = "title";
private ProgressDialog pDialog;
private List<Movie> movieList = new ArrayList<Movie>();
private ListView listView;
private CustomListAdapter adapter;
public static final String BITMAP_ID = "id";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getLayoutInflater().inflate(R.layout.activity_search, frameLayout);
listView = (ListView) findViewById(R.id.list);
adapter = new CustomListAdapter(this, movieList);
listView.setAdapter(adapter);
//For searchResultActivity
Intent intent = getIntent();
if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
String query = intent.getStringExtra(SearchManager.QUERY);
doMySearch(query);
}
pDialog = new ProgressDialog(this);
// Showing progress dialog before making http request
pDialog.setMessage("Loading...");
pDialog.show();
// // changing action bar color
// getActionBar().setBackgroundDrawable(
// new ColorDrawable(Color.parseColor("#1b1b1b")));
// Creating volley request obj
JsonArrayRequest movieReq = new JsonArrayRequest(url,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
Log.d(TAG, response.toString());
hidePDialog();
// Parsing json
for (int i = 0; i < response.length(); i++) {
try {
JSONObject obj = response.getJSONObject(i);
Movie movie = new Movie();
movie.setTitle(obj.getString("fullname"));
movie.setYear(obj.getInt("id")
// adding movie to movies array
movieList.add(movie);
} catch (JSONException e) {
e.printStackTrace();
}
}
// notifying list adapter about data changes
// so that it renders the list view with updated data
adapter.notifyDataSetChanged();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(movieReq);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// your code
// TODO Auto-generated method stub
String name = ((TextView) view.findViewById(R.id.title)).getText().toString();
String location = ((TextView) view.findViewById(R.id.rating)).getText().toString();
String description = ((TextView) view.findViewById(R.id.genre)).getText().toString();
bitmap = ((Movie) movieList.get(position)).getThumbnailUrl();
Intent intent = new Intent(SearchPeople.this, Details.class);
intent.putExtra(Title, name);
intent.putExtra(Location, location);
intent.putExtra(Description, description);
intent.putExtra("images", bitmap);
startActivity(intent);
}
});
}
private void doMySearch(String query)
{
Log.d("Event",query);
Toast.makeText(SearchPeople.this,query,Toast.LENGTH_SHORT).show();
}
@Override
public void onDestroy() {
super.onDestroy();
hidePDialog();
}
private void hidePDialog() {
if (pDialog != null) {
pDialog.dismiss();
pDialog = null;
}
}
public void onBackPressed() {
Intent myIntent = new Intent(SearchPeople.this, UploadActivity.class);
myIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);// clear back stack
startActivity(myIntent);
finish();
return;
}
}
现在搜索后它会进入searchresultactivity但是我不知道如何根据查询打印过滤搜索结果。
答案 0 :(得分：1)
不需要让它变得复杂。
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
// Inflate menu to add items to action bar if it is present.
inflater.inflate(R.menu.main, menu);
SearchManager manager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
SearchView search = (SearchView) menu.findItem(R.id.action_search).getActionView();
search.setSearchableInfo(manager.getSearchableInfo(getComponentName()));
search.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
PerfromSearch(newText);
return false;
}
});
return true;
}
void PerfromSearch(String query) {
adapter.filter(query);
}
您的适配器：
public class CustomListAdapter extends BaseAdapter {
private Activity activity;
private LayoutInflater inflater;
private List<Movie> movieItems;
private List<Movie> movieItemSearched = null;
ImageLoader imageLoader = AppController.getInstance().getImageLoader();
public CustomListAdapter(Activity activity, List<Movie> movieItems) {
this.activity = activity;
this.movieItems = movieItems;
this.movieItemSearched = new ArrayList<Movie>();
this.movieItemSearched.addAll(movieItems);
}
@Override
public int getCount() {
return movieItems.size();
}
@Override
public Object getItem(int location) {
return movieItems.get(location);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (inflater == null)
inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null)
convertView = inflater.inflate(R.layout.list_row, null);
if (imageLoader == null)
imageLoader = AppController.getInstance().getImageLoader();
NetworkImageView thumbNail = (NetworkImageView) convertView
.findViewById(R.id.thumbnail);
TextView title = (TextView) convertView.findViewById(R.id.title);
TextView rating = (TextView) convertView.findViewById(R.id.rating);
TextView genre = (TextView) convertView.findViewById(R.id.genre);
TextView year = (TextView) convertView.findViewById(R.id.releaseYear);
// getting movie data for the row
Movie m = movieItems.get(position);
// thumbnail image
thumbNail.setImageUrl(m.getThumbnailUrl(), imageLoader);
// title
title.setText(m.getTitle());
// rating
rating.setText("Rating: " + String.valueOf(m.getRating()));
// genre
String genreStr = "";
for (String str : m.getGenre()) {
genreStr += str + ", ";
}
genreStr = genreStr.length() > 0 ? genreStr.substring(0,
genreStr.length() - 2) : genreStr;
genre.setText(genreStr);
// release year
year.setText(String.valueOf(m.getYear()));
return convertView;
}
// Filter Class
public void filter(String charText) {
charText = charText.toLowerCase(Locale.getDefault());
movieItems.clear();
if (charText.length() == 0) {
movieItems.addAll(movieItemSearched);
} else {
for (Movie wp : movieItemSearched) {
if (wp.getTitle().toLowerCase(Locale.getDefault())
.contains(charText)) {
movieItems.add(wp);
}
}
}
notifyDataSetChanged();
}
}