ActionBar上显示自己自定义的一个SearchView（19）

//menu菜单文件布局
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android" >

<item
android:id="@+id/action_search"
android:actionViewClass="android.widget.SearchView"
android:orderInCategory="1"
android:showAsAction="always"
android:title=""/>
<!-- 以下的这个是自己自定义的SearchView冬天布局 ,actionLayout填你自定义的布局名字 -->
<item
android:id="@+id/action_customer_search"
android:actionLayout="@layout/action_view_search"
android:icon="@android:drawable/ic_menu_compass"
android:orderInCategory="1"
android:showAsAction="always|collapseActionView"
android:title=""/>

</menu>

//自定义的SearchView的布局
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >

<EditText
android:id="@+id/keyWords"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1" />

<Button
android:id="@+id/btnId"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:text="检索" />

</LinearLayout>

//主布局放一个listview用来加载手机的信息
<ListView
android:id="@+id/lvId"
android:layout_width="match_parent"
android:layout_height="match_parent" />
//ListView中的子布局
<TextView
android:id="@+id/nameId"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:textColor="#00f"
android:textSize="25sp"
android:textStyle="bold" />

<TextView
android:id="@+id/phoneId"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/nameId"
android:layout_margin="5dp"
android:textColor="#000"
android:textSize="20sp" />
//代码
//加载管理器用getSupportLoaderManager()时要将Activity改为FragmentActivity，否则会报一个错误
public class MainActivity extends FragmentActivity implements
LoaderCallbacks<Cursor> {
private String uri_contacts = "content://com.android.contacts/contacts";
private String uri_raw_contacts = "content://com.android.contacts/raw_contacts";
private String uri_data = "content://com.android.contacts/data";
private String uri_data_phone = "content://com.android.contacts/data/phones";
private String uri_data_email = "content://com.android.contacts/data/emails";
private LoaderManager loaderManager;
private SimpleCursorAdapter adapter;
private ListView listview;
private SearchView searchView;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listview = (ListView) this.findViewById(R.id.lvId);
adapter = new SimpleCursorAdapter(this, R.layout.item_contact_phone,
null, new String[] { "display_name", "data1" }, new int[] {
R.id.nameId, R.id.phoneId },
CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
listview.setAdapter(adapter);
loaderManager = getSupportLoaderManager();
loaderManager.initLoader(1, null, this);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
// 先填充布局，再通过布局拿到控件，在得到控件的视图
// 获取searchView
MenuItem searchItem = menu.findItem(R.id.action_search);
// 获得控件
searchView = (SearchView) searchItem.getActionView();
searchView.setOnQueryTextListener(new OnQueryTextListener() {

@Override
public boolean onQueryTextSubmit(String query) {
return false;
}

@Override
public boolean onQueryTextChange(String keywords) {
Bundle bundle = new Bundle();
bundle.putString("keywords", keywords);
loaderManager.restartLoader(1, bundle, MainActivity.this);
return false;
}
});
// 加载自定义的布局，先获取得到布局，再通过布局找到所要控件
// 注意这里找到控件是一个布局视图
MenuItem customerSearchView = menu
.findItem(R.id.action_customer_search);
View view = customerSearchView.getActionView();
final EditText editKey = (EditText) view.findViewById(R.id.keyWords);
Button submit = (Button) view.findViewById(R.id.btnId);
submit.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
Bundle bundle = new Bundle();
String keywords = editKey.getText().toString();
bundle.putString("keywords", keywords);
loaderManager.restartLoader(1, bundle, MainActivity.this);

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

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle bundle) {
String where = null;
String[] args = null;
if (bundle != null) {
where = "display_name like ? or data1 like ?";
String keywords = "%" + bundle.getString("keywords") + "%";
// 两个值，如果填入姓名，根据姓名来查，如果填入的是号码，根据号码查
args = new String[] { keywords, keywords };
}
return new CursorLoader(this, Uri.parse(uri_data_phone), new String[] {
"_id", "display_name", "data1" }, where, args, null);
}

@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
adapter.changeCursor(cursor);

}

@Override
public void onLoaderReset(Loader<Cursor> arg0) {
adapter.swapCursor(null);
}

}