DropdownMenu.java

    /*
     * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *        http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    package net.micode.notes.ui;

    import android.content.Context;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.PopupMenu;
    import android.widget.PopupMenu.OnMenuItemClickListener;

    import net.micode.notes.R;

    public class DropdownMenu {
        private Button mButton;
        private PopupMenu mPopupMenu;
        private Menu mMenu;

        public DropdownMenu(Context context, Button button, int menuId) {
            mButton = button;
            mButton.setBackgroundResource(R.drawable.dropdown_icon);
            mPopupMenu = new PopupMenu(context, mButton);
            mMenu = mPopupMenu.getMenu();
            mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
            mButton.setOnClickListener(new OnClickListener() {
                public void onClick(View v) {
                    mPopupMenu.show();
                }
            });
        }

        public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
            if (mPopupMenu != null) {
                mPopupMenu.setOnMenuItemClickListener(listener);
            }
        }

        public MenuItem findItem(int id) {
            return mMenu.findItem(id);
        }

        public void setTitle(CharSequence title) {
            mButton.setText(title);
        }
    }