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 @Override 108 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 @Override 121 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 @Override 140 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 @Override 164 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 @Override 172 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s 177 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findViewById 190 // 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 @Override 213 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 @Override 245 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 @Override 258 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 @Override 266 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 @Override 280 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 @Override 289 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 @Override 322 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 <item 11 android:id="@+id/action_about" 12 android:orderInCategory="104" 13 android:showAsAction="never" 14 android:title="关于"/> 15 <item 16 android:id="@+id/action_file" 17 android:orderInCategory="102" 18 android:showAsAction="never" 19 android:title="文件"/> 20 <item 21 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：
