Java 类android.widget.Filter.FilterListener 实例源码

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.friends_list, menu);       
    // Associate searchable configuration with the SearchView
    SearchManager searchManager =
           (SearchManager) getSystemService(Context.SEARCH_SERVICE);
    mSearchView =
            (SearchView) menu.findItem(R.id.menuSearch).getActionView();
    mSearchView.setSearchableInfo(
            searchManager.getSearchableInfo(getComponentName()));       
    mSearchView.setOnQueryTextListener(new OnQueryTextListener() {          
            @Override
        public boolean onQueryTextSubmit(String query) {
            return true;
        }

        @Override
        public boolean onQueryTextChange(final String newText) {
            LensRocketLogger.i(TAG, "Text: " + newText);
            mCurrentName = newText;
            mBtnAddFriend.setEnabled(true);
            mBtnAddFriend.setVisibility(View.VISIBLE);              
            mAdapter.getFilter().filter(newText, new FilterListener() {                 
                @Override
                public void onFilterComplete(int count) {
                    if (mAdapter.getCount() > 0) 
                        mLvFriends.setVisibility(View.VISIBLE);
                    else
                        mLvFriends.setVisibility(View.GONE);

                    if (!mCurrentName.equals("")) {
                        mLayoutAddFriend.setVisibility(View.VISIBLE);
                    } else {
                        mLayoutAddFriend.setVisibility(View.GONE);
                    }                   
                    if (mLensRocketService.getLocalFriendNames().contains(newText))
                        mLayoutAddFriend.setVisibility(View.GONE);
                }
            });
            mLblNewFriendName.setText(mCurrentName);                                
            return true;
        }
    });     
    return true;
}