我正在尝试创建我的第一个 Android应用程序,并在添加SEARCH功能的过程中.我已经按照Android开发人员文档添加了“搜索”对话框和小部件.不幸的是,每当我执行搜索时,都会调用搜索活动的“onCreate”和“onNewIntent”.也就是说,通过在“操作栏搜索”框中键入内容并按ENTER键,搜索称为“TWICE”.我被卡住了是否可以从可搜索的活动中返回一些全球标志,通知应用程序搜索已经完成？是否正在调用搜索对话框和小部件？

我已经搜索了这个网站上的以前的帖子和网络上没有用.感谢您的任何帮助.

AndroidManifest.xml中

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.shop"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="17" />

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >

        <service android:name="com.shop.RestIntentService" />

        <activity
            android:name="com.shop.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <activity
            android:name="com.shop.CatalogActivity"
            android:label="@string/app_name" >
        </activity>

        <activity
            android:name="com.shop.SearchableActivity"
            android:launchMode="singleTop" >
            <intent-filter>
                <action android:name="android.intent.action.SEARCH" />
            </intent-filter>

            <!--
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
            </intent-filter>
            -->

            <Meta-data
                android:name="android.app.searchable"
                android:resource="@xml/searchable" />
        </activity>

        <Meta-data
            android:name="android.app.default_searchable"
            android:value="com.shop.SearchableActivity" />

    </application>

</manifest>

SearchableActivity.java

public class SearchableActivity extends ListActivity implements Receiver {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        System.out.println("onCreate");
        handleIntent(getIntent());
    }

    @Override
    public void onNewIntent(Intent intent) {
        super.onNewIntent(intent);
        System.out.println("onNewIntent");
        setIntent(intent);
        handleIntent(intent);
    }

    private void handleIntent(Intent intent) {
        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
            String query = intent.getStringExtra(SearchManager.QUERY);
            doSearch(query);
        }
    }

    private void doSearch(String queryStr) {
        System.out.println("searching..." + queryStr);
    }

CatalogActivity.java

@Override   
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.sample,menu);

        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);

        SearchView searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();

        searchView.setSearchableInfo(searchManager
                .getSearchableInfo(getComponentName()));

        //return super.onCreateOptionsMenu(menu);
        return true;
    }

sample.xml中

<item
    android:id="@+id/menu_search"
    android:actionViewClass="android.widget.SearchView"
    android:icon="@android:drawable/ic_menu_search"
    android:showAsAction="ifRoom|collapseActionView"
    android:title="@string/menu_search"/>