Background
I have a searchView being initialized using a special class I've made, that's being used across all of the activities and fragments.
The problem
Recently, probably due to updates to the support library (or because I didn't use it so far, I don't remember), I can't catch events of expand/collapse of the searchView.
As I've found, this happens even if I use setSupportActionBar with a Toolbar instance.
What I've tried
I've tried using each of the next methods, but none worked:
- MenuItemCompat.setOnActionExpandListener.
- MenuItemCompat.setOnActionExpandListener together with iconifying the SearchView, as suggested on some websites.
- setOnActionExpandListener on the search menu item itself, but then it crashes since it can't be used when extending the ActionBarActivity.
- SearchView.setOnCloseListener , but this works only if I close it, and only using the UI (doesn't get called when calling collapseActionView ).
- I've also tried to mess around with the XML file of the search menu item.
The code
Here's the helper class I've made:
SearchHolderCompat
public class SearchHolderCompat {
public MenuItem mSearchMenuItem;
public SearchView mSearchView;
private final Activity _context;
public SearchHolderCompat(final Activity context) {
_context = context;
}
public boolean isCurrentyExpanded() {
return mSearchMenuItem != null && MenuItemCompat.isActionViewExpanded(mSearchMenuItem);
}
public boolean hasQuery() {
return mSearchMenuItem != null && mSearchView != null && MenuItemCompat.isActionViewExpanded(mSearchMenuItem)
&& !TextUtils.isEmpty(mSearchView.getQuery());
}
public void addSearchItemAndInit(final Menu menu, final OnQueryTextListener onQueryTextListener,
final OnActionExpandListener onActionExpandListener) {
final MenuInflater menuInflater = _context.getMenuInflater();
menuInflater.inflate(R.menu.search_menu_item, menu);
init(menu.findItem(R.id.menuItem_search), onQueryTextListener, onActionExpandListener);
}
public void init(final MenuItem searchMenuItem, final OnQueryTextListener onQueryTextListener,
final OnActionExpandListener onActionExpandListener) {
this.mSearchMenuItem = searchMenuItem;
mSearchView = (SearchView) MenuItemCompat.getActionView(searchMenuItem);
if (mSearchView == null) {
MenuItemCompat.setShowAsAction(searchMenuItem, MenuItemCompat.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW
| MenuItemCompat.SHOW_AS_ACTION_ALWAYS);
MenuItemCompat.setActionView(searchMenuItem, mSearchView = new SearchView(_context));
}
mSearchView.setQueryHint(_context.getString(R.string.search));
mSearchView.setOnQueryTextListener(onQueryTextListener);
MenuItemCompat.setOnActionExpandListener(searchMenuItem, onActionExpandListener);
}
}
MainActivity.java
public class MainActivity extends ActionBarActivity {
SearchHolderCompat mSearchHolder = new SearchHolderCompat(this);
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
mSearchHolder.addSearchItemAndInit(menu, new OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(final String arg0) {
android.util.Log.d("AppLog", "onQueryTextSubmit");
return false;
}
@Override
public boolean onQueryTextChange(final String queryText) {
android.util.Log.d("AppLog", "onQueryTextChange");
return true;
}
}, new OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(final MenuItem arg0) {
android.util.Log.d("AppLog", "onMenuItemActionExpand");
return false;
}
@Override
public boolean onMenuItemActionCollapse(final MenuItem arg0) {
android.util.Log.d("AppLog", "onMenuItemActionCollapse");
return false;
}
});
return true;
}
}
search_menu_item.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto" >
<!-- search items -->
<item
android:id="@+id/menuItem_search"
android:icon="@drawable/ic_action_search"
android:title="@string/search"
app:actionViewClass="android.support.v7.widget.SearchView"
app:showAsAction="always"
tools:ignore="AlwaysShowAction"/>
</menu>
The question
What's the correct way to handle the SearchView and the search menu item (using the support library) ?
How come "MenuItemCompat.setOnActionExpandListener" doesn't work?