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我已经在我的应用程序中实现了 Search 选项，它在每个活动中都可以正常工作，只有在 SearchActivity （显示搜索结果的活动）中不起作用的东西有人可以告诉我为什么

这是我的 SearchActivity 和清单的代码：

public class SearchActivity extends Activity {

private ListView lv;
ArrayList<Proizvod> proizvodi;

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.search_activity);

    lv = (ListView)findViewById(R.id.lvSearchResoult);

    handleIntent(getIntent());

    lv.setOnItemClickListener(new OnItemClickListener() {

        public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                long arg3) {
            Proizvod pom = (Proizvod)arg0.getAdapter().getItem(arg2);
            Intent intent = new Intent(SearchActivity.this, SecondActivity.class);
            intent.putExtra("izabrani", pom);
            intent.putExtra("proizvodi", proizvodi);
            startActivity(intent);

        }
    });
}

@Override
protected void onNewIntent(Intent intent) {
    handleIntent(getIntent());
}

private void handleIntent(Intent intent){
    if(Intent.ACTION_VIEW.equals(intent.getAction())){

    }else if(Intent.ACTION_SEARCH.equals(intent.getAction())){
        String query = intent.getStringExtra(SearchManager.QUERY);
        showResoults(query);
    }

}

private void showResoults(String query){
    proizvodi = new ArrayList<Proizvod>();
    ProizvodTableAdapter dbAdapter = new ProizvodTableAdapter(this);
    dbAdapter.open();
    proizvodi = dbAdapter.getProizvdi(query);
    dbAdapter.close();
    lv.setAdapter(new SearchListAdapter(proizvodi,this));
}

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


        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
        SearchView searchView = (SearchView) menu.findItem(R.id.search).getActionView();
        searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
        searchView.setIconifiedByDefault(false);


    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.search:
        onSearchRequested();
        return true;
    default:
        return false;
    }
}


}

显现：

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.katalog"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
    android:minSdkVersion="11"
    android:targetSdkVersion="16" />

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name="com.example.katalog.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=".SearchActivity"
        android:label="@string/app_name"
        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>
    <activity 
        android:name=".SecondActivity"
        android:label="@string/app_name">
    </activity>
    <activity android:name=".ShowPicture"></activity>
    <activity android:name=".PicturesActivity"></activity>
    <meta-data android:name="android.app.default_searchable"
               android:value=".SearchActivity" />
</application>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
    <uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>

</manifest>
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