Usage of SearchView in an ActionBar as a menu item. : Menu « UI « Android

1. Android
2. UI
3. Menu

Usage of SearchView in an ActionBar as a menu item.

  

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.view;

import com.example.android.apis.R;

import android.app.Activity;
import android.app.SearchManager;
import android.app.SearchableInfo;
import android.content.Context;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.SearchView;
import android.widget.TextView;

import java.util.List;

/**
 * This demonstrates the usage of SearchView in an ActionBar as a menu item.
 * It sets a SearchableInfo on the SearchView for suggestions and submitting queries to.
 */
public class SearchViewActionBar extends Activity implements SearchView.OnQueryTextListener,
        SearchView.OnCloseListener, Button.OnClickListener {

    private SearchView mSearchView;
    private Button mOpenButton;
    private Button mCloseButton;
    private TextView mStatusView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);

        setContentView(R.layout.searchview_actionbar);

        mStatusView = (TextView) findViewById(R.id.status_text);
        mOpenButton = (Button) findViewById(R.id.open_button);
        mCloseButton = (Button) findViewById(R.id.close_button);
        mOpenButton.setOnClickListener(this);
        mCloseButton.setOnClickListener(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);

        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.searchview_in_menu, menu);
        mSearchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
        setupSearchView();

        return true;
    }

    private void setupSearchView() {

        mSearchView.setIconifiedByDefault(true);

        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
        if (searchManager != null) {
            List<SearchableInfo> searchables = searchManager.getSearchablesInGlobalSearch();

            // Try to use the "applications" global search provider
            SearchableInfo info = searchManager.getSearchableInfo(getComponentName());
            for (SearchableInfo inf : searchables) {
                if (inf.getSuggestAuthority() != null
                        && inf.getSuggestAuthority().startsWith("applications")) {
                    info = inf;
                }
            }
            mSearchView.setSearchableInfo(info);
        }

        mSearchView.setOnQueryTextListener(this);
        mSearchView.setOnCloseListener(this);
    }

    public boolean onQueryTextChange(String newText) {
        mStatusView.setText("Query = " + newText);
        return false;
    }

    public boolean onQueryTextSubmit(String query) {
        mStatusView.setText("Query = " + query + " : submitted");
        return false;
    }

    public boolean onClose() {
        mStatusView.setText("Closed!");
        return false;
    }

    public void onClick(View view) {
        if (view == mCloseButton) {
            mSearchView.setIconified(true);
        } else if (view == mOpenButton) {
            mSearchView.setIconified(false);
        }
    }
}

//layout/searchview_actionbar.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2010 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

    <Button
            android:id="@+id/open_button"
            android:text="@string/open_search"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
        />

    <Button
            android:id="@+id/close_button"
            android:text="@string/close_search"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
        />

    <TextView
            android:id="@+id/status_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"/>

</LinearLayout>

//menu/searchview_in_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2010 Google Inc.

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@+id/action_search"
          android:title="@string/action_bar_search"
          android:icon="@android:drawable/ic_menu_search"
          android:showAsAction="always"
          android:actionViewClass="android.widget.SearchView" />
</menu>

   
    
  

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