1 page.title= 2 parent.title=Activity 3 parent.link=activities.html 4 @jd:body 5 6 <div id="qv-wrapper"> 7 <div id="qv"> 8 <h2></h2> 9 <ol> 10 <li><a href="#Design"></a></li> 11 <li><a href="#Creating"> 12 <ol> 13 <li><a href="#UI"></a></li> 14 <li><a href="#Adding"> Activity </a></li> 15 </ol> 16 </li> 17 <li><a href="#Managing"></a></li> 18 <li><a href="#Transactions"></a></li> 19 <li><a href="#CommunicatingWithActivity"> Activity </a> 20 <ol> 21 <li><a href="#EventCallbacks"> Activity </a></li> 22 <li><a href="#ActionBar"></a></li> 23 </ol> 24 </li> 25 <li><a href="#Lifecycle"></a> 26 <ol> 27 <li><a href="#CoordinatingWithActivity"> Activity </a></li> 28 </ol> 29 </li> 30 <li><a href="#Example"></a></li> 31 </ol> 32 33 <h2></h2> 34 <ol> 35 <li>{@link android.app.Fragment}</li> 36 <li>{@link android.app.FragmentManager}</li> 37 <li>{@link android.app.FragmentTransaction}</li> 38 </ol> 39 40 <h2></h2> 41 <ol> 42 <li><a href="{@docRoot}training/basics/fragments/index.html"> UI</a></li> 43 <li><a href="{@docRoot}guide/practices/tablets-and-handsets.html"></a> 44 </li> 45 </ol> 46 </div> 47 </div> 48 49 <p>{@link android.app.Fragment} 50 {@link android.app.Activity} Activity 51 UI Activity Activity Activity Activity Activity 52 53 54 </p> 55 56 <p> Activity Activity 57 Activity Activity 58 Activity <em></em><a href="{@docRoot}guide/components/activities.html#Lifecycle"></a> 59 60 Activity —Activity 61 62 63 <em></em> 64 </p> 65 66 <p> Activity Activity {@link 67 android.view.ViewGroup} 68 Activity 69 {@code <fragment>} 70 Activity 71 {@link android.view.ViewGroup} Activity 72 UI 73 Activity </p> 74 75 <p> Activity Activity Activity Activity 76 77 78 </p> 79 80 81 <h2 id="Design"></h2> 82 83 <p>Android Android 3.0API 11 UI 84 85 UI 86 87 Activity Activity Activity 88 89 </p> 90 91 <p>— Activity 92 93 94 Activity Activity Activity 95 1 96 </p> 97 98 <p> Activity Activity 99 100 101 102 103 104 Activity 105 UI 106 </p> 107 108 <img src="{@docRoot}images/fundamentals/fragments.png" alt="" /> 109 <p class="img-caption"><strong> 1. </strong> 110 UI 111 Activity </p> 112 113 <p>——<em>Activity 114 A</em> <em>Activity 115 A</em> 116 <em>Activity 117 B</em> 118 1 119 </p> 120 121 <p><a href="{@docRoot}guide/practices/tablets-and-handsets.html"></a> 122 </p> 123 124 125 126 <h2 id="Creating"></h2> 127 128 <div class="figure" style="width:327px"> 129 <img src="{@docRoot}images/fragment_lifecycle.png" alt="" /> 130 <p class="img-caption"><strong> 2. </strong> Activity 131 </p> 132 </div> 133 134 <p> {@link android.app.Fragment} 135 {@link android.app.Fragment} 136 {@link android.app.Activity} Activity 137 {@link android.app.Fragment#onCreate onCreate()}{@link android.app.Fragment#onStart onStart()}{@link android.app.Fragment#onPause onPause()} 138 {@link android.app.Fragment#onStop onStop()} 139 Android 140 Activity 141 </p> 142 143 <p></p> 144 145 <dl> 146 <dt>{@link android.app.Fragment#onCreate onCreate()}</dt> 147 <dd> 148 149 </dd> 150 <dt>{@link android.app.Fragment#onCreateView onCreateView()}</dt> 151 <dd> 152 153 UI {@link android.view.View} 154 UI null</dd> 155 <dt>{@link android.app.Activity#onPause onPause()}</dt> 156 <dd> 157 158 159 </dd> 160 </dl> 161 162 <p> 163 164 <a href="#Lifecycle"></a> 165 </p> 166 167 168 <p> {@link 169 android.app.Fragment} </p> 170 171 <dl> 172 <dt>{@link android.app.DialogFragment}</dt> 173 <dd> 174 {@link android.app.Activity} 175 Activity 176 </dd> 177 178 <dt>{@link android.app.ListFragment}</dt> 179 <dd> {@link 180 android.widget.SimpleCursorAdapter} {@link android.app.ListActivity} 181 {@link 182 android.app.ListFragment#onListItemClick(ListView,View,int,long) onListItemClick()} 183 </dd> 184 185 <dt>{@link android.preference.PreferenceFragment}</dt> 186 <dd> {@link android.preference.Preference} 187 {@link android.preference.PreferenceActivity} Activity 188 </dd> 189 </dl> 190 191 192 <h3 id="UI"></h3> 193 194 <p> Activity Activity 195 </p> 196 197 <p> {@link 198 android.app.Fragment#onCreateView onCreateView()} Android 199 200 {@link android.view.View} </p> 201 202 <p class="note"><strong></strong> {@link 203 android.app.ListFragment} 204 {@link android.app.Fragment#onCreateView onCreateView()} {@link android.widget.ListView}</p> 205 206 <p> {@link 207 android.app.Fragment#onCreateView onCreateView()} XML <a href="{@docRoot}guide/topics/resources/layout-resource.html"></a>{@link android.app.Fragment#onCreateView onCreateView()} 208 209 {@link android.view.LayoutInflater} </p> 210 211 <p> {@link android.app.Fragment} {@code example_fragment.xml} 212 </p> 213 214 <pre> 215 public static class ExampleFragment extends Fragment { 216 @Override 217 public View onCreateView(LayoutInflater inflater, ViewGroup container, 218 Bundle savedInstanceState) { 219 // Inflate the layout for this fragment 220 return inflater.inflate(R.layout.example_fragment, container, false); 221 } 222 } 223 </pre> 224 225 <div class="sidebox-wrapper"> 226 <div class="sidebox"> 227 <h3></h3> 228 <p>{@code R.layout.example_fragment} 229 {@code example_fragment.xml} 230 XML 231 <a href="{@docRoot}guide/topics/ui/index.html"></a></p> 232 </div> 233 </div> 234 235 <p> {@link android.app.Fragment#onCreateView 236 onCreateView()} {@code container} 237 238 {@link android.view.ViewGroup} Activity {@code savedInstanceState} 239 240 {@link android.os.Bundle}<a href="#Lifecycle"></a> 241 </p> 242 243 <p>{@link android.view.LayoutInflater#inflate(int,ViewGroup,boolean) inflate()} 244 </p> 245 <ul> 246 <li> ID</li> 247 <li> {@link android.view.ViewGroup} {@code 248 container} 249 </li> 250 <li> {@link 251 android.view.ViewGroup} 252 false {@code 253 container}— true </li> 254 </ul> 255 256 <p> Activity 257 </p> 258 259 260 261 <h3 id="Adding"> Activity </h3> 262 263 <p> Activity 264 UI Activity Activity Activity 265 </p> 266 267 <ul> 268 <li><b> Activity </b> 269 <p> 270 Activity 271 </p> 272 <pre> 273 <?xml version="1.0" encoding="utf-8"?> 274 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 275 android:orientation="horizontal" 276 android:layout_width="match_parent" 277 android:layout_height="match_parent"> 278 <fragment android:name="com.example.news.ArticleListFragment" 279 android:id="@+id/list" 280 android:layout_weight="1" 281 android:layout_width="0dp" 282 android:layout_height="match_parent" /> 283 <fragment android:name="com.example.news.ArticleReaderFragment" 284 android:id="@+id/viewer" 285 android:layout_weight="2" 286 android:layout_width="0dp" 287 android:layout_height="match_parent" /> 288 </LinearLayout> 289 </pre> 290 <p>{@code <fragment>} {@code android:name} {@link 291 android.app.Fragment} </p> 292 293 <p> Activity 294 {@link android.app.Fragment#onCreateView onCreateView()} 295 {@link android.view.View} 296 {@code <fragment>} </p> 297 298 <div class="note"> 299 <p><strong></strong> Activity 300 301 302 ID</p> 303 <ul> 304 <li> {@code android:id} ID</li> 305 <li> {@code android:tag} </li> 306 <li> ID 307 </li> 308 </ul> 309 </div> 310 </li> 311 312 <li><b> {@link android.view.ViewGroup}</b> 313 <p> Activity Activity 314 {@link 315 android.view.ViewGroup}</p> 316 <p> Activity 317 {@link android.app.FragmentTransaction} API 318 {@link android.app.Activity} {@link android.app.FragmentTransaction} </p> 319 320 <pre> 321 FragmentManager fragmentManager = {@link android.app.Activity#getFragmentManager()} 322 FragmentTransaction fragmentTransaction = fragmentManager.{@link android.app.FragmentManager#beginTransaction()}; 323 </pre> 324 325 <p> {@link 326 android.app.FragmentTransaction#add(int,Fragment) add()} 327 </p> 328 329 <pre> 330 ExampleFragment fragment = new ExampleFragment(); 331 fragmentTransaction.add(R.id.fragment_container, fragment); 332 fragmentTransaction.commit(); 333 </pre> 334 335 <p> {@link android.app.FragmentTransaction#add(int,Fragment) add()} 336 {@link android.view.ViewGroup} 337 ID </p> 338 <p> 339 {@link android.app.FragmentTransaction} 340 {@link android.app.FragmentTransaction#commit} </p> 341 </li> 342 </ul> 343 344 345 <h4 id="AddingWithoutUI"> UI </h4> 346 347 <p> Activity 348 UI Activity 349 UI</p> 350 351 <p> UI {@link 352 android.app.FragmentTransaction#add(Fragment,String)} Activity 353 ID Activity 354 {@link 355 android.app.Fragment#onCreateView onCreateView()} </p> 356 357 <p> UI — UI 358 — 359 UI Activity 360 {@link android.app.FragmentManager#findFragmentByTag 361 findFragmentByTag()}</p> 362 363 <p> UI Activity {@code 364 FragmentRetainInstance.java} SDK 365 Android SDK 366 <code><sdk_root>/APIDemos/app/src/main/java/com/example/android/apis/app/FragmentRetainInstance.java</code> </p> 367 368 369 370 <h2 id="Managing"></h2> 371 372 <p> Activity {@link android.app.FragmentManager} Activity 373 {@link android.app.Activity#getFragmentManager()}</p> 374 375 <p> {@link android.app.FragmentManager} </p> 376 377 <ul> 378 <li> {@link 379 android.app.FragmentManager#findFragmentById findFragmentById()} Activity UI 380 {@link android.app.FragmentManager#findFragmentByTag 381 findFragmentByTag()} UI Activity </li> 382 <li> {@link 383 android.app.FragmentManager#popBackStack()} <em>Back</em> </li> 384 <li> {@link 385 android.app.FragmentManager#addOnBackStackChangedListener addOnBackStackChangedListener()} </li> 386 </ul> 387 388 <p> {@link 389 android.app.FragmentManager} </p> 390 391 <p> {@link android.app.FragmentManager} 392 393 {@link android.app.FragmentTransaction}</p> 394 395 396 <h2 id="Transactions"></h2> 397 398 <p> Activity 399 Activity 400 {@link 401 android.app.FragmentTransaction} API Activity Activity 402 403 </p> 404 405 <p> {@link 406 android.app.FragmentManager} {@link android.app.FragmentTransaction} </p> 407 408 <pre> 409 FragmentManager fragmentManager = {@link android.app.Activity#getFragmentManager()}; 410 FragmentTransaction fragmentTransaction = fragmentManager.{@link android.app.FragmentManager#beginTransaction()}; 411 </pre> 412 413 <p> 414 {@link 415 android.app.FragmentTransaction#add add()}{@link android.app.FragmentTransaction#remove remove()} {@link android.app.FragmentTransaction#replace replace()} 416 Activity 417 {@link android.app.FragmentTransaction#commit()}</p> 418 </dl> 419 420 <p> {@link 421 android.app.FragmentTransaction#commit()} {@link 422 android.app.FragmentTransaction#addToBackStack addToBackStack()} 423 Activity 424 <em></em> </p> 425 426 <p> 427 </p> 428 429 <pre> 430 // Create new fragment and transaction 431 Fragment newFragment = new ExampleFragment(); 432 FragmentTransaction transaction = getFragmentManager().beginTransaction(); 433 434 // Replace whatever is in the fragment_container view with this fragment, 435 // and add the transaction to the back stack 436 transaction.replace(R.id.fragment_container, newFragment); 437 transaction.addToBackStack(null); 438 439 // Commit the transaction 440 transaction.commit(); 441 </pre> 442 443 <p>{@code newFragment} 444 {@code R.id.fragment_container} ID {@link 445 android.app.FragmentTransaction#addToBackStack addToBackStack()} 446 447 <em></em></p> 448 449 <p> {@link 450 android.app.FragmentTransaction#add add()} {@link android.app.FragmentTransaction#remove 451 remove()} {@link 452 android.app.FragmentTransaction#addToBackStack addToBackStack()} 453 {@link android.app.FragmentTransaction#commit commit()} 454 <em></em></p> 455 456 <p> {@link android.app.FragmentTransaction} 457 </p> 458 <ul> 459 <li> {@link android.app.FragmentTransaction#commit()}</li> 460 <li> 461 </li> 462 </ul> 463 464 <p> {@link android.app.FragmentTransaction#addToBackStack(String) 465 addToBackStack()} 466 467 {@link android.app.FragmentTransaction#addToBackStack(String) addToBackStack()}<em></em> 468 469 </p> 470 471 <p class="note"><strong></strong> 472 {@link android.app.FragmentTransaction#setTransition setTransition()} 473 </p> 474 475 <p> {@link android.app.FragmentTransaction#commit()} 476 Activity UI 477 UI {@link 478 android.app.FragmentManager#executePendingTransactions()} 479 {@link android.app.FragmentTransaction#commit()} 480 </p> 481 482 <p class="caution"><strong></strong> Activity<a href="{@docRoot}guide/components/activities.html#SavingActivityState"></a> Activity {@link 483 android.app.FragmentTransaction#commit commit()} 484 485 Activity 486 {@link 487 android.app.FragmentTransaction#commitAllowingStateLoss()}</p> 488 489 490 491 492 <h2 id="CommunicatingWithActivity"> Activity </h2> 493 494 <p> {@link android.app.Fragment} 495 {@link android.app.Activity} 496 Activity Activity</p> 497 498 <p> {@link 499 android.app.Fragment#getActivity()} 500 {@link android.app.Activity} Activity </p> 501 502 <pre> 503 View listView = {@link android.app.Fragment#getActivity()}.{@link android.app.Activity#findViewById findViewById}(R.id.list); 504 </pre> 505 506 <p> Activity 507 {@link 508 android.app.FragmentManager#findFragmentById findFragmentById()} {@link 509 android.app.FragmentManager#findFragmentByTag findFragmentByTag()} {@link android.app.FragmentManager} {@link android.app.Fragment} </p> 510 511 <pre> 512 ExampleFragment fragment = (ExampleFragment) getFragmentManager().findFragmentById(R.id.example_fragment); 513 </pre> 514 515 516 <h3 id="EventCallbacks"> Activity </h3> 517 518 <p> Activity Activity 519 520 Activity 521 </p> 522 523 <p> Activity — A B— A Activity B 524 525 {@code OnArticleSelectedListener} 526 A </p> 527 528 <pre> 529 public static class FragmentA extends ListFragment { 530 ... 531 // Container Activity must implement this interface 532 public interface OnArticleSelectedListener { 533 public void onArticleSelected(Uri articleUri); 534 } 535 ... 536 } 537 </pre> 538 539 <p> Activity 540 {@code OnArticleSelectedListener} 541 {@code onArticleSelected()} A 542 B Activity A {@link 543 android.app.Fragment#onAttach onAttach()} 544 Activity 545 {@link android.app.Fragment#onAttach 546 onAttach()} {@link android.app.Activity} {@code OnArticleSelectedListener} </p> 547 548 <pre> 549 public static class FragmentA extends ListFragment { 550 OnArticleSelectedListener mListener; 551 ... 552 @Override 553 public void onAttach(Activity activity) { 554 super.onAttach(activity); 555 try { 556 mListener = (OnArticleSelectedListener) activity; 557 } catch (ClassCastException e) { 558 throw new ClassCastException(activity.toString() + " must implement OnArticleSelectedListener"); 559 } 560 } 561 ... 562 } 563 </pre> 564 565 <p> Activity 566 {@link java.lang.ClassCastException}{@code mListener} 567 Activity {@code OnArticleSelectedListener} A 568 {@code OnArticleSelectedListener} 569 Activity A 570 {@link android.app.ListFragment} 571 {@link android.app.ListFragment#onListItemClick 572 onListItemClick()} {@code onArticleSelected()} 573 Activity </p> 574 575 <pre> 576 public static class FragmentA extends ListFragment { 577 OnArticleSelectedListener mListener; 578 ... 579 @Override 580 public void onListItemClick(ListView l, View v, int position, long id) { 581 // Append the clicked item's row ID with the content provider Uri 582 Uri noteUri = ContentUris.{@link android.content.ContentUris#withAppendedId withAppendedId}(ArticleColumns.CONTENT_URI, id); 583 // Send the event and Uri to the host activity 584 mListener.onArticleSelected(noteUri); 585 } 586 ... 587 } 588 </pre> 589 590 <p> {@link 591 android.app.ListFragment#onListItemClick onListItemClick()} {@code id} 592 ID Activity {@link 593 android.content.ContentProvider} ID</p> 594 595 <p><!--To see a complete implementation of this kind of callback interface, see the <a 596 href="{@docRoot}resources/samples/NotePad/index.html">NotePad sample</a>. --><a href="{@docRoot}guide/topics/providers/content-providers.html"></a> 597 </p> 598 599 600 601 <h3 id="ActionBar"></h3> 602 603 <p> 604 {@link android.app.Fragment#onCreateOptionsMenu(Menu,MenuInflater) onCreateOptionsMenu()} Activity <a href="{@docRoot}guide/topics/ui/menus.html#options-menu"></a><a href="{@docRoot}guide/topics/ui/actionbar.html"></a> 605 {@link 606 android.app.Fragment#onCreate(Bundle) onCreate()} {@link 607 android.app.Fragment#setHasOptionsMenu(boolean) setHasOptionsMenu()} 608 {@link android.app.Fragment#onCreateOptionsMenu onCreateOptionsMenu()} 609 </p> 610 611 <p> 612 {@link 613 android.app.Fragment#onOptionsItemSelected(MenuItem) onOptionsItemSelected()} 614 </p> 615 616 <p> {@link 617 android.app.Fragment#registerForContextMenu(View) registerForContextMenu()} 618 {@link 619 android.app.Fragment#onCreateContextMenu(ContextMenu,View,ContextMenu.ContextMenuInfo) 620 onCreateContextMenu()} {@link 621 android.app.Fragment#onContextItemSelected(MenuItem) onContextItemSelected()} </p> 622 623 <p class="note"><strong></strong>Activity 624 625 Activity 626 627 </p> 628 629 <p><a href="{@docRoot}guide/topics/ui/menus.html"></a><a href="{@docRoot}guide/topics/ui/actionbar.html"></a></p> 630 631 632 633 634 <h2 id="Lifecycle"></h2> 635 636 <div class="figure" style="width:350px"> 637 <img src="{@docRoot}images/activity_fragment_lifecycle.png" alt="" /> 638 <p class="img-caption"><strong> 3. </strong>Activity 639 </p> 640 </div> 641 642 <p> Activity Activity 643 </p> 644 645 <dl> 646 <dt><i></i></dt> 647 <dd> Activity </dd> 648 649 <dt><i></i></dt> 650 <dd> Activity Activity Activity 651 652 </dd> 653 654 <dt><i></i></dt> 655 <dd> Activity Activity 656 657 Activity 658 </dd> 659 </dl> 660 661 <p> Activity Activity Activity {@link 662 android.os.Bundle} 663 {@link 664 android.app.Fragment#onSaveInstanceState onSaveInstanceState()} 665 {@link android.app.Fragment#onCreate onCreate()}{@link 666 android.app.Fragment#onCreateView onCreateView()} {@link 667 android.app.Fragment#onActivityCreated onActivityCreated()} <a href="{@docRoot}guide/components/activities.html#SavingActivityState">Activity</a> 668 669 </p> 670 671 <p>Activity 672 Activity Activity 673 <em></em> 674 Activity<a href="{@docRoot}guide/components/tasks-and-back-stack.html"></a> 675 {@link 676 android.app.FragmentTransaction#addToBackStack(String) addToBackStack()} 677 Activity 678 </p> 679 680 <p> Activity 681 <a href="{@docRoot}guide/components/activities.html#Lifecycle"> Activity </a> 682 Activity 683 </p> 684 685 <p class="caution"><strong></strong> {@link android.app.Fragment} 686 {@link android.content.Context} 687 {@link android.app.Fragment#getActivity()} Activity 688 {@link android.app.Fragment#getActivity()} 689 {@link android.app.Fragment#getActivity()} null</p> 690 691 692 <h3 id="CoordinatingWithActivity"> Activity </h3> 693 694 <p> Activity Activity 695 696 Activity {@link android.app.Activity#onPause} Activity 697 {@link android.app.Fragment#onPause}</p> 698 699 <p> Activity UI 700 701 </p> 702 703 <dl> 704 <dt>{@link android.app.Fragment#onAttach onAttach()}</dt> 705 <dd> Activity {@link 706 android.app.Activity} </dd> 707 <dt>{@link android.app.Fragment#onCreateView onCreateView()}</dt> 708 <dd></dd> 709 <dt>{@link android.app.Fragment#onActivityCreated onActivityCreated()}</dt> 710 <dd> Activity {@link android.app.Activity#onCreate 711 onCreate()} </dd> 712 <dt>{@link android.app.Fragment#onDestroyView onDestroyView()}</dt> 713 <dd></dd> 714 <dt>{@link android.app.Fragment#onDetach onDetach()}</dt> 715 <dd> Activity </dd> 716 </dl> 717 718 <p> 3 719 Activity Activity 720 Activity {@link 721 android.app.Activity#onCreate onCreate()} Activity 722 {@link android.app.Fragment#onActivityCreated onActivityCreated()} </p> 723 724 <p> Activity Activity 725 Activity 726 </p> 727 728 <p> Activity Activity 729 </p> 730 731 732 733 734 <h2 id="Example"></h2> 735 736 <p> Activity 737 Activity 738 739 740 </p> 741 742 <p class="note"><strong></strong><a href="{@docRoot}resources/samples/ApiDemos/src/com/example/android/apis/app/FragmentLayout.html">{@code 743 FragmentLayout.java}</a> 744 Activity </p> 745 746 <p> Activity {@link 747 android.app.Activity#onCreate onCreate()} </p> 748 749 {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentLayout.java main} 750 751 <p> {@code fragment_layout.xml}</p> 752 753 {@sample development/samples/ApiDemos/res/layout-land/fragment_layout.xml layout} 754 755 <p> Activity 756 {@code TitlesFragment} 757 {@link android.widget.FrameLayout} 758 759 {@link android.widget.FrameLayout}</p> 760 761 <p> 762 763 {@code res/layout-land/fragment_layout.xml}</p> 764 765 <p> 766 {@code res/layout/fragment_layout.xml}</p> 767 768 {@sample development/samples/ApiDemos/res/layout/fragment_layout.xml layout} 769 770 <p> {@code TitlesFragment} 771 Activity 772 773 </p> 774 775 <p> {@code 776 TitlesFragment} {@link 777 android.app.ListFragment}</p> 778 779 <p> 780 {@link 781 android.widget.FrameLayout} 782 </p> 783 784 {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentLayout.java titles} 785 786 <p> {@code DetailsFragment} 787 {@code TitlesFragment} </p> 788 789 {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentLayout.java details} 790 791 <p> {@code TitlesFragment} <em></em> {@code R.id.details} 792 793 {@code DetailsFragment} {@code DetailsActivity} 794 Activity </p> 795 796 <p> {@code DetailsActivity} 797 {@code DetailsFragment}</p> 798 799 {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentLayout.java 800 details_activity} 801 802 <p> Activity Activity {@code TitlesFragment} 803 804 {@code DetailsFragment} 805 {@code DetailsActivity} Activity</p> 806 807 808 <p> 809 <a href="{@docRoot}resources/samples/ApiDemos/src/com/example/android/apis/app/index.html#Fragment"> 810 ApiDemos</a><a href="{@docRoot}resources/samples/get.html"> SDK </a> API Demos </p> 811 812 813
