/* * 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; /** * @ProjectName: DropdownMenu * @Package: net.micode.notes.ui * @ClassName: DropdownMenu * @Description: 设置下滑菜单 * @Author: wyf * @CreateDate: 2023/12/24 20:20 */ 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);//设置这个view的背景 mPopupMenu = new PopupMenu(context, mButton); mMenu = mPopupMenu.getMenu(); mPopupMenu.getMenuInflater().inflate(menuId, mMenu);//MenuInflater是用来实例化Menu目录下的Menu布局文件,根据ID来确认menu的内容选项 mButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { mPopupMenu.show(); } }); } /** * @method: setOnDropdownMenuItemClickListener * @description:设置下拉菜单的监听 * @date: 2023/12/24 20:24 * @author: wyf * @param: interface * @return: void */ public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { if (mPopupMenu != null) { mPopupMenu.setOnMenuItemClickListener(listener); } } public MenuItem findItem(int id) { return mMenu.findItem(id); }//对于菜单选项的初始化,根据索引搜索菜单需要的选项 public void setTitle(CharSequence title) { mButton.setText(title); }//布局文件,设置标题 }