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feat(menu): 实现分组菜单功能
- 新增 GroupedFloatMenu 类，用于显示分组菜单 - 在 MainActivity 中添加测试代码，展示分组菜单的使用- 新增 MenuUtil 类，提供菜单显示的工具方法 - 删除了无用的 ExampleInstrumentedTest 文件
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-53
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5 files changed

+197
-53
lines changed

‎app/src/androidTest/java/com/noober/floatmenu/ExampleInstrumentedTest.java‎

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‎app/src/main/java/com/noober/floatmenu/MainActivity.java‎

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import com.noober.floatmenu.dummy.DummyContent;
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import com.noober.menu.FloatMenu;
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import com.noober.menu.MenuUtil;
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import java.util.ArrayList;
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import java.util.List;
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Toast.makeText(MainActivity.this, "菜单"+position, Toast.LENGTH_SHORT).show();
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}
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});
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List<MenuUtil.IMenu<String>> menus = new ArrayList<>();
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for (int i = 0; i < 50; i++) {
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int finalI = i;
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menus.add(new MenuUtil.IMenu<String>() {
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@Override
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public String text() {
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return "菜单" + finalI;
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}
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@Override
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public String groupName() {
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return "group" + (finalI / 3);
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}
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@Override
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public void onMenuClicked(int position, String bean) {
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Toast.makeText(MainActivity.this,
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"菜单"+position, Toast.LENGTH_SHORT).show();
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}
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});
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}
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btn1.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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floatMenu.show();
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//floatMenu.show();
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MenuUtil.showMenu(btn1, menus, "test");
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}
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});
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‎menu/src/androidTest/java/com/noober/menu/ExampleInstrumentedTest.java‎

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‎menu/src/main/java/com/noober/menu/MenuUtil.java‎

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package com.noober.menu;
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import android.view.View;
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import com.noober.menu.group.GroupedFloatMenu;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @author: Administrator
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* @date: 2022/2/2
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* @desc: //todo
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*/
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public class MenuUtil {
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public static <T> void showMenu(View targetView, List<IMenu<T>> menus, T info) {
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// 按 groupName 分组
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Map<String, List<IMenu<T>>> groupedMenus = new HashMap<>();
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for (IMenu<T> menu : menus) {
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String groupName = menu.groupName(); // 假设 IMenu 接口新增了 groupName 方法
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if (!groupedMenus.containsKey(groupName)) {
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groupedMenus.put(groupName, new ArrayList<>());
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}
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groupedMenus.get(groupName).add(menu);
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}
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// 构造 GroupedFloatMenu 所需的数据结构
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List<GroupedFloatMenu.MenuGroup> menuGroups = new ArrayList<>();
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for (Map.Entry<String, List<IMenu<T>>> entry : groupedMenus.entrySet()) {
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String groupName = entry.getKey();
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List<GroupedFloatMenu.MenuItem> menuItems = new ArrayList<>();
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for (IMenu<T> menu : entry.getValue()) {
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menuItems.add(new GroupedFloatMenu.MenuItem(menu.text(), v -> menu.onMenuClicked(-1, info)));
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}
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menuGroups.add(new GroupedFloatMenu.MenuGroup(groupName, menuItems));
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}
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// 显示分组菜单
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GroupedFloatMenu groupedFloatMenu = new GroupedFloatMenu(targetView.getContext(), menuGroups);
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groupedFloatMenu.showAsDropDown(targetView);
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}
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public interface IMenu<T>{
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String text();
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default String groupName() {
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return "";
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}
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void onMenuClicked(int position,T bean);
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}
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}

‎menu/src/main/java/com/noober/menu/group/GroupedFloatMenu.java‎

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package com.noober.menu.group;
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import android.content.Context;
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import android.graphics.Color;
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import android.util.TypedValue;
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import android.view.Gravity;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.GridLayout;
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import android.widget.LinearLayout;
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import android.widget.PopupWindow;
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import android.widget.TextView;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class GroupedFloatMenu extends PopupWindow {
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private Context context;
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private List<MenuGroup> menuGroups;
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public GroupedFloatMenu(Context context, List<MenuGroup> menuGroups) {
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super(context);
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this.context = context;
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this.menuGroups = menuGroups;
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init();
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}
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private void init() {
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LinearLayout mainLayout = new LinearLayout(context);
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mainLayout.setOrientation(LinearLayout.VERTICAL);
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mainLayout.setPadding(20, 20, 20, 20);
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for (MenuGroup group : menuGroups) {
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// 添加组名
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TextView groupNameView = new TextView(context);
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groupNameView.setText(group.getGroupName());
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groupNameView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16);
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groupNameView.setTextColor(Color.BLACK);
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groupNameView.setPadding(0, 10, 0, 10);
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mainLayout.addView(groupNameView);
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// 添加 GridLayout
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GridLayout gridLayout = new GridLayout(context);
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gridLayout.setColumnCount(3); // 每行显示3个菜单项
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gridLayout.setRowCount((int) Math.ceil(group.getItems().size() / 3.0));
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for (MenuItem menuItem : group.getItems()) {
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TextView itemTextView = new TextView(context);
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itemTextView.setText(menuItem.getItem());
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itemTextView.setGravity(Gravity.CENTER);
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itemTextView.setPadding(10, 10, 10, 10);
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itemTextView.setBackgroundResource(android.R.drawable.btn_default);
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itemTextView.setOnClickListener(menuItem.getOnClickListener());
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GridLayout.LayoutParams params = new GridLayout.LayoutParams();
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params.width = 0;
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params.height = ViewGroup.LayoutParams.WRAP_CONTENT;
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params.columnSpec = GridLayout.spec(GridLayout.UNDEFINED, 1f);
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params.setMargins(5, 5, 5, 5);
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itemTextView.setLayoutParams(params);
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gridLayout.addView(itemTextView);
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}
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mainLayout.addView(gridLayout);
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}
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setContentView(mainLayout);
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setWidth(ViewGroup.LayoutParams.WRAP_CONTENT);
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setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);
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setFocusable(true);
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setBackgroundDrawable(null);
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}
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public static class MenuGroup {
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private String groupName;
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private List<MenuItem> items;
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public MenuGroup(String groupName, List<MenuItem> items) {
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this.groupName = groupName;
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this.items = items;
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}
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public String getGroupName() {
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return groupName;
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}
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public List<MenuItem> getItems() {
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return items;
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}
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}
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public static class MenuItem {
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private String item;
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private View.OnClickListener onClickListener;
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public MenuItem(String item, View.OnClickListener onClickListener) {
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this.item = item;
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this.onClickListener = onClickListener;
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}
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public String getItem() {
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return item;
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}
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public View.OnClickListener getOnClickListener() {
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return onClickListener;
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}
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}
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}

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