java 在Action Bar / Toolbar中创建SearchView

Posted 2021-05-07

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/search"
        android:title="search"
        app:showAsAction="always"
        app:actionViewClass="android.widget.SearchView" />
  </menu>

  @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main_menu, menu);
        SearchView sv  = (SearchView) menu.findItem(R.id.search).getActionView();
        SearchManager sm =(SearchManager) getApplication().getSystemService(Context.SEARCH_SERVICE);
        sv.setSearchableInfo(sm.getSearchableInfo(getComponentName()));
        sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                Toast.makeText(getApplicationContext(),query,Toast.LENGTH_LONG).show();
                return false;
            }

            @Override
            public boolean onQueryTextChange(String newText) {
                return false;
            }
        });

        return true;
    }