1 package com.lixu.menu2; 2 3 import java.util.ArrayList; 4 import android.app.Activity; 5 import android.app.AlertDialog; 6 import android.content.Context; 7 import android.content.DialogInterface; 8 import android.content.DialogInterface.OnClickListener; 9 import android.content.DialogInterface.OnMultiChoiceClickListener; 10 import android.os.Bundle; 11 import android.view.ContextMenu; 12 import android.view.Menu; 13 import android.view.MenuItem; 14 import android.view.View; 15 import android.view.ViewGroup; 16 import android.view.ContextMenu.ContextMenuInfo; 17 import android.view.LayoutInflater; 18 import android.widget.AdapterView; 19 import android.widget.AdapterView.AdapterContextMenuInfo; 20 import android.widget.AdapterView.OnItemClickListener; 21 import android.widget.AdapterView.OnItemSelectedListener; 22 import android.widget.ArrayAdapter; 23 import android.widget.ImageView; 24 import android.widget.ListView; 25 import android.widget.TextView; 26 import android.widget.Toast; 27 28 public class MainActivity extends Activity { 29 private ArrayList<String> data; 30 private ArrayAdapter<String> mAdapter; 31 private ArrayAdapter<String> mAdapter1; 32 private Activity context; 33 34 @Override 35 protected void onCreate(Bundle savedInstanceState) { 36 super.onCreate(savedInstanceState); 37 setContentView(R.layout.activity_main); 38 39 context = this; 40 data = new ArrayList<String>(); 41 for (int i = 0; i < 20; i++) 42 data.add("大神" + i); 43 44 ListView lv = (ListView) findViewById(R.id.listview); 45 mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, data); 46 47 lv.setAdapter(mAdapter); 48 lv.setOnCreateContextMenuListener(this); 49 50 } 51 52 // 创建右上角点击下拉菜单 53 @Override 54 public boolean onCreateOptionsMenu(Menu menu) { 55 getMenuInflater().inflate(R.menu.main, menu); 56 return true; 57 } 58 59 // 创建界面长按点击弹出菜单的点击事件 60 @Override 61 public boolean onContextItemSelected(MenuItem item) { 62 AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); 63 final int pos = info.position; 64 switch (item.getItemId()) { 65 case 1001: 66 Toast.makeText(this, "亲，这条消息未读哦！", 0).show(); 67 break; 68 case 1002: 69 // 对话提示选择框 70 AlertDialog dialog = new AlertDialog.Builder(this).create(); 71 dialog.setTitle("对话框"); 72 dialog.setIcon(R.drawable.ic_launcher); 73 dialog.setButton(DialogInterface.BUTTON_POSITIVE, "确认", new DialogInterface.OnClickListener() { 74 75 @Override 76 public void onClick(DialogInterface dialog, int which) { 77 String s = data.get(pos); 78 79 data.remove(pos); 80 data.add(0, s); 81 82 mAdapter.notifyDataSetChanged(); 83 84 Toast.makeText(getApplicationContext(), "聊天已置顶！", 0).show(); 85 } 86 }); 87 88 dialog.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener() { 89 90 @Override 91 public void onClick(DialogInterface dialog, int which) { 92 String s = data.get(pos); 93 94 Toast.makeText(getApplicationContext(), "已取消！", 0).show(); 95 } 96 }); 97 dialog.show(); 98 99 break;100 case 1003:101 // 对话提示选择框102 AlertDialog dialog1 = new AlertDialog.Builder(this).create();103 dialog1.setTitle("对话框");104 dialog1.setIcon(R.drawable.ic_launcher);105 dialog1.setButton(DialogInterface.BUTTON_POSITIVE, "确认", new DialogInterface.OnClickListener() {106 107 @Override108 public void onClick(DialogInterface dialog, int which) {109 String s = data.get(pos);110 111 data.remove(pos);112 mAdapter.notifyDataSetChanged();113 Toast.makeText(getApplicationContext(), "已删除！", 0).show();114 115 }116 });117 118 dialog1.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener() {119 120 @Override121 public void onClick(DialogInterface dialog, int which) {122 123 Toast.makeText(getApplicationContext(), "已取消！", 0).show();124 }125 });126 dialog1.show();127 break;128 129 case 1004:130 // 单项选择对话框131 final String[] items = { "转发到QQ空间", "转发到微信朋友圈", "转发到新浪微博" };132 133 AlertDialog.Builder dialog2 = new AlertDialog.Builder(this);134 dialog2.setTitle("转发");135 dialog2.setIcon(R.drawable.ic_launcher);136 // 0 代表初始选择 "转发到QQ空间"137 dialog2.setSingleChoiceItems(items, 0, new OnClickListener() {138 139 @Override140 public void onClick(DialogInterface dialog, int which) {141 // 处理自己的逻辑运算142 Toast.makeText(getApplicationContext(), "已" + items[which] + "！", Toast.LENGTH_SHORT).show();143 dialog.dismiss();144 145 }146 });147 148 dialog2.create().show();149 150 break;151 case 1005:152 // 多项选择对话框153 final String[] items1 = { "同时转发到QQ空间", "同时转发到微信朋友圈", "同时转发到新浪微博" };154 155 AlertDialog.Builder dialog3 = new AlertDialog.Builder(this);156 157 dialog3.setIcon(R.drawable.ic_launcher);158 dialog3.setTitle("多项转发");159 final boolean[] checkedItems = { false, false, false };160 // 点击选择事件来改变boolean数组里面的值161 dialog3.setMultiChoiceItems(items1, checkedItems, new OnMultiChoiceClickListener() {162 163 @Override164 public void onClick(DialogInterface dialog, int which, boolean isChecked) {165 166 }167 });168 AlertDialog mdialog = dialog3.create();169 mdialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new OnClickListener() {170 171 @Override172 public void onClick(DialogInterface dialog, int which) {173 String s = "";174 // 将boolean数组进行遍历175 for (int i = 0; i < checkedItems.length; i++) {176 // 当boolean数组里面值为true时 证明被选中 后添加入s177 if (checkedItems[i])178 s += items1[i] + "\n";179 }180 181 Toast.makeText(getApplicationContext(), s, Toast.LENGTH_SHORT).show();182 183 }184 });185 mdialog.show();186 break;187 188 case 1006:189 // 设置自定义的弹出框布局 这里用到listview 这里找到布局不能直接findViewById190 // 要从getLayoutInflater().inflate(R.layout.listview, null);这样得到191 View view = getLayoutInflater().inflate(R.layout.listview, null);192 193 ListView lv1 = (ListView) view.findViewById(R.id.listview2);194 195 // 添加数据196 String[] s = new String[50];197 for (int i = 0; i < s.length; i++)198 s[i] = "数据" + i;199 mAdapter1 = new MyAdapter(this, -1, s);200 201 lv1.setAdapter(mAdapter1);202 203 AlertDialog.Builder dialog4 = new AlertDialog.Builder(this);204 205 dialog4.setTitle("列表");206 // 设置布局207 dialog4.setView(view);208 209 dialog4.create().show();210 lv1.setOnItemClickListener(new OnItemClickListener() {211 212 @Override213 public void onItemClick(AdapterView<?> arg0, View arg1, int pos, long arg3) {214 215 Toast.makeText(getApplicationContext(), "您选择了" + pos, Toast.LENGTH_SHORT).show();216 217 }218 });219 220 break;221 222 case 1007:223 context.openOptionsMenu();224 break;225 226 default:227 break;228 229 }230 return super.onContextItemSelected(item);231 }232 233 private class MyAdapter extends ArrayAdapter<String> {234 private LayoutInflater flater;235 private String[] s;236 237 public MyAdapter(Context context, int resource, String[] s) {238 super(context, resource);239 this.s = s;240 flater = LayoutInflater.from(context);241 242 }243 244 @Override245 public View getView(int position, View convertView, ViewGroup parent) {246 if (convertView == null)247 convertView = flater.inflate(R.layout.list, null);248 249 ImageView iv = (ImageView) convertView.findViewById(R.id.iv);250 iv.setImageResource(R.drawable.dfdf);251 TextView tv = (TextView) convertView.findViewById(R.id.tv);252 tv.setText(s[position]);253 254 return convertView;255 }256 257 @Override258 public int getCount() {259 return s.length;260 }261 262 }263 264 // 创建界面长按点击弹出菜单265 @Override266 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {267 super.onCreateContextMenu(menu, v, menuInfo);268 menu.add(0, 1001, 101, "标记为未读");269 menu.add(0, 1002, 102, "置顶聊天");270 menu.add(0, 1003, 103, "删除该聊天");271 menu.add(0, 1004, 104, "转发到：");272 menu.add(0, 1005, 105, "同时转发到：");273 menu.add(0, 1006, 106, "listview：");274 menu.add(0, 1007, 107, "打开设置");275 276 }277 278 // 创建右上角点击下拉菜单的点击事件279 @Override280 public boolean onOptionsItemSelected(MenuItem item) {281 int id = item.getItemId();282 switch (id) {283 case R.id.action_settings:284 // 多选对话框285 String[] items = { "音量", "亮度", "背景" };286 AlertDialog dialog = new AlertDialog.Builder(this).setItems(items, new OnClickListener() {287 288 @Override289 public void onClick(DialogInterface dialog, int which) {290 291 switch (which) {292 case 0:293 Toast.makeText(getApplicationContext(), "音量设置完成！", 0).show();294 break;295 case 1:296 Toast.makeText(getApplicationContext(), "亮度设置完成！", 0).show();297 break;298 case 2:299 Toast.makeText(getApplicationContext(), "背景设置完成！", 0).show();300 break;301 302 default:303 break;304 }305 306 }307 }).create();308 dialog.setTitle("设置");309 dialog.setIcon(R.drawable.ic_launcher);310 311 dialog.show();312 313 break;314 case R.id.action_about:315 Toast.makeText(getApplicationContext(), "作者：木子小新", 1).show();316 break;317 case R.id.action_open:318 String[] items1 = { "新建", "打开" };319 AlertDialog dialog1 = new AlertDialog.Builder(this).setItems(items1, new OnClickListener() {320 321 @Override322 public void onClick(DialogInterface dialog, int which) {323 324 switch (which) {325 case 0:326 Toast.makeText(getApplicationContext(), "新建完成！", 0).show();327 break;328 case 1:329 Toast.makeText(getApplicationContext(), "打开完成！", 0).show();330 break;331 332 default:333 break;334 }335 336 }337 }).create();338 dialog1.setTitle("文件");339 dialog1.setIcon(R.drawable.ic_launcher);340 341 dialog1.show();342 343 break;344 case R.id.action_file:345 Toast.makeText(this, "亲，你懂的。", 0).show();346 break;347 348 default:349 break;350 }351 return super.onOptionsItemSelected(item);352 }353 }
xml——menu文件：
1 <menu xmlns:android="http://schemas.android.com/apk/res/android" 2 xmlns:tools="http://schemas.android.com/tools" 3 tools:context="com.lixu.menu2.MainActivity" > 4 5 <item 6 android:id="@+id/action_settings" 7 android:orderInCategory="103" 8 android:showAsAction="never" 9 android:title="设置"/>10 <item11 android:id="@+id/action_about"12 android:orderInCategory="104"13 android:showAsAction="never"14 android:title="关于"/>15 <item16 android:id="@+id/action_file"17 android:orderInCategory="102"18 android:showAsAction="never"19 android:title="文件"/>20 <item21 android:id="@+id/action_open"22 android:orderInCategory="101"23 android:showAsAction="never"24 android:title="打开"25 />26 27 </menu>
运行效果图：
