1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.app; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.app.Dialog; 22 import android.app.ProgressDialog; 23 import android.content.DialogInterface; 24 import android.os.Bundle; 25 import android.os.Handler; 26 import android.os.Message; 27 import android.view.LayoutInflater; 28 import android.view.View; 29 import android.view.View.OnClickListener; 30 import android.widget.Button; 31 import android.widget.Toast; 32 import android.database.Cursor; 33 import android.provider.ContactsContract; 34 35 import com.example.android.apis.R; 36 37 /** 38 * Example of how to use an {@link android.app.AlertDialog}. 39 * <h3>AlertDialogSamples</h3> 40 41 <p>This demonstrates the different ways the AlertDialog can be used.</p> 42 43 <h4>Demo</h4> 44 App/Dialog/Alert Dialog 45 46 <h4>Source files</h4> 47 * <table class="LinkTable"> 48 * <tr> 49 * <td >src/com.example.android.apis/app/AlertDialogSamples.java</td> 50 * <td >The Alert Dialog Samples implementation</td> 51 * </tr> 52 * <tr> 53 * <td >/res/any/layout/alert_dialog.xml</td> 54 * <td >Defines contents of the screen</td> 55 * </tr> 56 * </table> 57 */ 58 public class AlertDialogSamples extends Activity { 59 private static final int DIALOG_YES_NO_MESSAGE = 1; 60 private static final int DIALOG_YES_NO_LONG_MESSAGE = 2; 61 private static final int DIALOG_LIST = 3; 62 private static final int DIALOG_PROGRESS = 4; 63 private static final int DIALOG_SINGLE_CHOICE = 5; 64 private static final int DIALOG_MULTIPLE_CHOICE = 6; 65 private static final int DIALOG_TEXT_ENTRY = 7; 66 private static final int DIALOG_MULTIPLE_CHOICE_CURSOR = 8; 67 private static final int DIALOG_YES_NO_ULTRA_LONG_MESSAGE = 9; 68 private static final int DIALOG_YES_NO_OLD_SCHOOL_MESSAGE = 10; 69 private static final int DIALOG_YES_NO_HOLO_LIGHT_MESSAGE = 11; 70 71 private static final int MAX_PROGRESS = 100; 72 73 private ProgressDialog mProgressDialog; 74 private int mProgress; 75 private Handler mProgressHandler; 76 77 @Override 78 protected Dialog onCreateDialog(int id) { 79 switch (id) { 80 case DIALOG_YES_NO_MESSAGE: 81 return new AlertDialog.Builder(AlertDialogSamples.this) 82 .setIconAttribute(android.R.attr.alertDialogIcon) 83 .setTitle(R.string.alert_dialog_two_buttons_title) 84 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 85 public void onClick(DialogInterface dialog, int whichButton) { 86 87 /* User clicked OK so do some stuff */ 88 } 89 }) 90 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 91 public void onClick(DialogInterface dialog, int whichButton) { 92 93 /* User clicked Cancel so do some stuff */ 94 } 95 }) 96 .create(); 97 case DIALOG_YES_NO_OLD_SCHOOL_MESSAGE: 98 return new AlertDialog.Builder(AlertDialogSamples.this, AlertDialog.THEME_TRADITIONAL) 99 .setIconAttribute(android.R.attr.alertDialogIcon) 100 .setTitle(R.string.alert_dialog_two_buttons_title) 101 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 102 public void onClick(DialogInterface dialog, int whichButton) { 103 } 104 }) 105 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 106 public void onClick(DialogInterface dialog, int whichButton) { 107 } 108 }) 109 .create(); 110 case DIALOG_YES_NO_HOLO_LIGHT_MESSAGE: 111 return new AlertDialog.Builder(AlertDialogSamples.this, AlertDialog.THEME_HOLO_LIGHT) 112 .setIconAttribute(android.R.attr.alertDialogIcon) 113 .setTitle(R.string.alert_dialog_two_buttons_title) 114 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 115 public void onClick(DialogInterface dialog, int whichButton) { 116 } 117 }) 118 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 119 public void onClick(DialogInterface dialog, int whichButton) { 120 } 121 }) 122 .create(); 123 case DIALOG_YES_NO_LONG_MESSAGE: 124 return new AlertDialog.Builder(AlertDialogSamples.this) 125 .setIconAttribute(android.R.attr.alertDialogIcon) 126 .setTitle(R.string.alert_dialog_two_buttons_msg) 127 .setMessage(R.string.alert_dialog_two_buttons2_msg) 128 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 129 public void onClick(DialogInterface dialog, int whichButton) { 130 131 /* User clicked OK so do some stuff */ 132 } 133 }) 134 .setNeutralButton(R.string.alert_dialog_something, new DialogInterface.OnClickListener() { 135 public void onClick(DialogInterface dialog, int whichButton) { 136 137 /* User clicked Something so do some stuff */ 138 } 139 }) 140 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 141 public void onClick(DialogInterface dialog, int whichButton) { 142 143 /* User clicked Cancel so do some stuff */ 144 } 145 }) 146 .create(); 147 case DIALOG_YES_NO_ULTRA_LONG_MESSAGE: 148 return new AlertDialog.Builder(AlertDialogSamples.this) 149 .setIconAttribute(android.R.attr.alertDialogIcon) 150 .setTitle(R.string.alert_dialog_two_buttons_msg) 151 .setMessage(R.string.alert_dialog_two_buttons2ultra_msg) 152 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 153 public void onClick(DialogInterface dialog, int whichButton) { 154 155 /* User clicked OK so do some stuff */ 156 } 157 }) 158 .setNeutralButton(R.string.alert_dialog_something, new DialogInterface.OnClickListener() { 159 public void onClick(DialogInterface dialog, int whichButton) { 160 161 /* User clicked Something so do some stuff */ 162 } 163 }) 164 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 165 public void onClick(DialogInterface dialog, int whichButton) { 166 167 /* User clicked Cancel so do some stuff */ 168 } 169 }) 170 .create(); 171 case DIALOG_LIST: 172 return new AlertDialog.Builder(AlertDialogSamples.this) 173 .setTitle(R.string.select_dialog) 174 .setItems(R.array.select_dialog_items, new DialogInterface.OnClickListener() { 175 public void onClick(DialogInterface dialog, int which) { 176 177 /* User clicked so do some stuff */ 178 String[] items = getResources().getStringArray(R.array.select_dialog_items); 179 new AlertDialog.Builder(AlertDialogSamples.this) 180 .setMessage("You selected: " + which + " , " + items[which]) 181 .show(); 182 } 183 }) 184 .create(); 185 case DIALOG_PROGRESS: 186 mProgressDialog = new ProgressDialog(AlertDialogSamples.this); 187 mProgressDialog.setIconAttribute(android.R.attr.alertDialogIcon); 188 mProgressDialog.setTitle(R.string.select_dialog); 189 mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 190 mProgressDialog.setMax(MAX_PROGRESS); 191 mProgressDialog.setButton(DialogInterface.BUTTON_POSITIVE, 192 getText(R.string.alert_dialog_hide), new DialogInterface.OnClickListener() { 193 public void onClick(DialogInterface dialog, int whichButton) { 194 195 /* User clicked Yes so do some stuff */ 196 } 197 }); 198 mProgressDialog.setButton(DialogInterface.BUTTON_NEGATIVE, 199 getText(R.string.alert_dialog_cancel), new DialogInterface.OnClickListener() { 200 public void onClick(DialogInterface dialog, int whichButton) { 201 202 /* User clicked No so do some stuff */ 203 } 204 }); 205 return mProgressDialog; 206 case DIALOG_SINGLE_CHOICE: 207 return new AlertDialog.Builder(AlertDialogSamples.this) 208 .setIconAttribute(android.R.attr.alertDialogIcon) 209 .setTitle(R.string.alert_dialog_single_choice) 210 .setSingleChoiceItems(R.array.select_dialog_items2, 0, new DialogInterface.OnClickListener() { 211 public void onClick(DialogInterface dialog, int whichButton) { 212 213 /* User clicked on a radio button do some stuff */ 214 } 215 }) 216 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 217 public void onClick(DialogInterface dialog, int whichButton) { 218 219 /* User clicked Yes so do some stuff */ 220 } 221 }) 222 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 223 public void onClick(DialogInterface dialog, int whichButton) { 224 225 /* User clicked No so do some stuff */ 226 } 227 }) 228 .create(); 229 case DIALOG_MULTIPLE_CHOICE: 230 return new AlertDialog.Builder(AlertDialogSamples.this) 231 .setIcon(R.drawable.ic_popup_reminder) 232 .setTitle(R.string.alert_dialog_multi_choice) 233 .setMultiChoiceItems(R.array.select_dialog_items3, 234 new boolean[]{false, true, false, true, false, false, false}, 235 new DialogInterface.OnMultiChoiceClickListener() { 236 public void onClick(DialogInterface dialog, int whichButton, 237 boolean isChecked) { 238 239 /* User clicked on a check box do some stuff */ 240 } 241 }) 242 .setPositiveButton(R.string.alert_dialog_ok, 243 new DialogInterface.OnClickListener() { 244 public void onClick(DialogInterface dialog, int whichButton) { 245 246 /* User clicked Yes so do some stuff */ 247 } 248 }) 249 .setNegativeButton(R.string.alert_dialog_cancel, 250 new DialogInterface.OnClickListener() { 251 public void onClick(DialogInterface dialog, int whichButton) { 252 253 /* User clicked No so do some stuff */ 254 } 255 }) 256 .create(); 257 case DIALOG_MULTIPLE_CHOICE_CURSOR: 258 String[] projection = new String[] { 259 ContactsContract.Contacts._ID, 260 ContactsContract.Contacts.DISPLAY_NAME, 261 ContactsContract.Contacts.SEND_TO_VOICEMAIL 262 }; 263 Cursor cursor = managedQuery(ContactsContract.Contacts.CONTENT_URI, 264 projection, null, null, null); 265 return new AlertDialog.Builder(AlertDialogSamples.this) 266 .setIcon(R.drawable.ic_popup_reminder) 267 .setTitle(R.string.alert_dialog_multi_choice_cursor) 268 .setMultiChoiceItems(cursor, 269 ContactsContract.Contacts.SEND_TO_VOICEMAIL, 270 ContactsContract.Contacts.DISPLAY_NAME, 271 new DialogInterface.OnMultiChoiceClickListener() { 272 public void onClick(DialogInterface dialog, int whichButton, 273 boolean isChecked) { 274 Toast.makeText(AlertDialogSamples.this, 275 "Readonly Demo Only - Data will not be updated", 276 Toast.LENGTH_SHORT).show(); 277 } 278 }) 279 .create(); 280 case DIALOG_TEXT_ENTRY: 281 // This example shows how to add a custom layout to an AlertDialog 282 LayoutInflater factory = LayoutInflater.from(this); 283 final View textEntryView = factory.inflate(R.layout.alert_dialog_text_entry, null); 284 return new AlertDialog.Builder(AlertDialogSamples.this) 285 .setIconAttribute(android.R.attr.alertDialogIcon) 286 .setTitle(R.string.alert_dialog_text_entry) 287 .setView(textEntryView) 288 .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { 289 public void onClick(DialogInterface dialog, int whichButton) { 290 291 /* User clicked OK so do some stuff */ 292 } 293 }) 294 .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { 295 public void onClick(DialogInterface dialog, int whichButton) { 296 297 /* User clicked cancel so do some stuff */ 298 } 299 }) 300 .create(); 301 } 302 return null; 303 } 304 305 /** 306 * Initialization of the Activity after it is first created. Must at least 307 * call {@link android.app.Activity#setContentView(int)} to 308 * describe what is to be displayed in the screen. 309 */ 310 @Override 311 protected void onCreate(Bundle savedInstanceState) { 312 super.onCreate(savedInstanceState); 313 314 setContentView(R.layout.alert_dialog); 315 316 /* Display a text message with yes/no buttons and handle each message as well as the cancel action */ 317 Button twoButtonsTitle = (Button) findViewById(R.id.two_buttons); 318 twoButtonsTitle.setOnClickListener(new OnClickListener() { 319 public void onClick(View v) { 320 showDialog(DIALOG_YES_NO_MESSAGE); 321 } 322 }); 323 324 /* Display a long text message with yes/no buttons and handle each message as well as the cancel action */ 325 Button twoButtons2Title = (Button) findViewById(R.id.two_buttons2); 326 twoButtons2Title.setOnClickListener(new OnClickListener() { 327 public void onClick(View v) { 328 showDialog(DIALOG_YES_NO_LONG_MESSAGE); 329 } 330 }); 331 332 333 /* Display an ultra long text message with yes/no buttons and handle each message as well as the cancel action */ 334 Button twoButtons2UltraTitle = (Button) findViewById(R.id.two_buttons2ultra); 335 twoButtons2UltraTitle.setOnClickListener(new OnClickListener() { 336 public void onClick(View v) { 337 showDialog(DIALOG_YES_NO_ULTRA_LONG_MESSAGE); 338 } 339 }); 340 341 342 /* Display a list of items */ 343 Button selectButton = (Button) findViewById(R.id.select_button); 344 selectButton.setOnClickListener(new OnClickListener() { 345 public void onClick(View v) { 346 showDialog(DIALOG_LIST); 347 } 348 }); 349 350 /* Display a custom progress bar */ 351 Button progressButton = (Button) findViewById(R.id.progress_button); 352 progressButton.setOnClickListener(new OnClickListener() { 353 public void onClick(View v) { 354 showDialog(DIALOG_PROGRESS); 355 mProgress = 0; 356 mProgressDialog.setProgress(0); 357 mProgressHandler.sendEmptyMessage(0); 358 } 359 }); 360 361 /* Display a radio button group */ 362 Button radioButton = (Button) findViewById(R.id.radio_button); 363 radioButton.setOnClickListener(new OnClickListener() { 364 public void onClick(View v) { 365 showDialog(DIALOG_SINGLE_CHOICE); 366 } 367 }); 368 369 /* Display a list of checkboxes */ 370 Button checkBox = (Button) findViewById(R.id.checkbox_button); 371 checkBox.setOnClickListener(new OnClickListener() { 372 public void onClick(View v) { 373 showDialog(DIALOG_MULTIPLE_CHOICE); 374 } 375 }); 376 377 /* Display a list of checkboxes, backed by a cursor */ 378 Button checkBox2 = (Button) findViewById(R.id.checkbox_button2); 379 checkBox2.setOnClickListener(new OnClickListener() { 380 public void onClick(View v) { 381 showDialog(DIALOG_MULTIPLE_CHOICE_CURSOR); 382 } 383 }); 384 385 /* Display a text entry dialog */ 386 Button textEntry = (Button) findViewById(R.id.text_entry_button); 387 textEntry.setOnClickListener(new OnClickListener() { 388 public void onClick(View v) { 389 showDialog(DIALOG_TEXT_ENTRY); 390 } 391 }); 392 393 /* Two points, in the traditional theme */ 394 Button twoButtonsOldSchoolTitle = (Button) findViewById(R.id.two_buttons_old_school); 395 twoButtonsOldSchoolTitle.setOnClickListener(new OnClickListener() { 396 public void onClick(View v) { 397 showDialog(DIALOG_YES_NO_OLD_SCHOOL_MESSAGE); 398 } 399 }); 400 401 /* Two points, in the light holographic theme */ 402 Button twoButtonsHoloLightTitle = (Button) findViewById(R.id.two_buttons_holo_light); 403 twoButtonsHoloLightTitle.setOnClickListener(new OnClickListener() { 404 public void onClick(View v) { 405 showDialog(DIALOG_YES_NO_HOLO_LIGHT_MESSAGE); 406 } 407 }); 408 409 mProgressHandler = new Handler() { 410 @Override 411 public void handleMessage(Message msg) { 412 super.handleMessage(msg); 413 if (mProgress >= MAX_PROGRESS) { 414 mProgressDialog.dismiss(); 415 } else { 416 mProgress++; 417 mProgressDialog.incrementProgressBy(1); 418 mProgressHandler.sendEmptyMessageDelayed(0, 100); 419 } 420 } 421 }; 422 } 423 } 424
