searchView_EventHandling

<SearchView
        android:id="@+id/searchView1"
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true" >
    </SearchView>

SearchView searchView= (SearchView)findViewById(R.id.searchView1);
 searchView.setOnQueryTextListener(new OnQueryTextListener() {

@Override
public boolean onQueryTextSubmit(String query) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Start searching..", Toast.LENGTH_SHORT).show();

return false;
}

@Override
public boolean onQueryTextChange(String newText) {
// TODO Auto-generated method stub
return false;
}

});