1<!DOCTYPE html> 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96<html> 97<head> 98 99 100<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 101<meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" /> 102<meta content="IE=edge" http-equiv="X-UA-Compatible"> 103 104<link rel="shortcut icon" type="image/x-icon" href="../../../../../../favicon.ico" /> 105<title>RecyclerViewActions.PositionableRecyclerViewAction | Android Developers</title> 106 107<!-- STYLESHEETS --> 108<link rel="stylesheet" 109href="http://fonts.googleapis.com/css?family=Roboto+Condensed"> 110<link rel="stylesheet" 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</ul> 404 </li> 405 </ul> 406 </nav> 407 <!-- end navigation--> 408 409 410 411 412 413 414 <div class="wrap clearfix" id="body-content"><div class="cols"> 415 <div class="col-4 dac-hidden-mobile" id="side-nav" itemscope itemtype="http://schema.org/SiteNavigationElement"> 416 <div id="devdoc-nav"> 417 <div id="api-nav-header"> 418 <div id="api-level-toggle"> 419 <label for="apiLevelCheckbox" class="disabled" 420 title="Select your target API level to dim unavailable APIs">API level: </label> 421 <div class="select-wrapper"> 422 <select id="apiLevelSelector"> 423 <!-- option elements added by buildApiLevelSelector() --> 424 </select> 425 </div> 426 </div><!-- end toggle --> 427 <div id="api-nav-title">Android APIs</div> 428 </div><!-- end nav header --> 429 <script> 430 var SINCE_DATA = [ ]; 431 buildApiLevelSelector(); 432 </script> 433 434 <div id="swapper"> 435 <div id="nav-panels"> 436 <div id="resize-packages-nav"> 437 <div id="packages-nav" class="scroll-pane"> 438 439 <ul> 440 441 <li class="api apilevel-"> 442 <a href="../../../../../../reference/android/support/test/package-summary.html">android.support.test</a></li> 443 <li class="api apilevel-"> 444 <a href="../../../../../../reference/android/support/test/annotation/package-summary.html">android.support.test.annotation</a></li> 445 <li class="api apilevel-"> 446 <a href="../../../../../../reference/android/support/test/espresso/package-summary.html">android.support.test.espresso</a></li> 447 <li class="api apilevel-"> 448 <a href="../../../../../../reference/android/support/test/espresso/action/package-summary.html">android.support.test.espresso.action</a></li> 449 <li class="api apilevel-"> 450 <a href="../../../../../../reference/android/support/test/espresso/assertion/package-summary.html">android.support.test.espresso.assertion</a></li> 451 <li class="api apilevel-"> 452 <a href="../../../../../../reference/android/support/test/espresso/base/package-summary.html">android.support.test.espresso.base</a></li> 453 <li class="selected api apilevel-"> 454 <a href="../../../../../../reference/android/support/test/espresso/contrib/package-summary.html">android.support.test.espresso.contrib</a></li> 455 <li class="api apilevel-"> 456 <a href="../../../../../../reference/android/support/test/espresso/intent/package-summary.html">android.support.test.espresso.intent</a></li> 457 <li class="api apilevel-"> 458 <a href="../../../../../../reference/android/support/test/espresso/intent/matcher/package-summary.html">android.support.test.espresso.intent.matcher</a></li> 459 <li class="api apilevel-"> 460 <a href="../../../../../../reference/android/support/test/espresso/intent/rule/package-summary.html">android.support.test.espresso.intent.rule</a></li> 461 <li class="api apilevel-"> 462 <a href="../../../../../../reference/android/support/test/espresso/matcher/package-summary.html">android.support.test.espresso.matcher</a></li> 463 <li class="api apilevel-"> 464 <a href="../../../../../../reference/android/support/test/espresso/util/package-summary.html">android.support.test.espresso.util</a></li> 465 <li class="api apilevel-"> 466 <a href="../../../../../../reference/android/support/test/espresso/web/action/package-summary.html">android.support.test.espresso.web.action</a></li> 467 <li class="api apilevel-"> 468 <a href="../../../../../../reference/android/support/test/espresso/web/assertion/package-summary.html">android.support.test.espresso.web.assertion</a></li> 469 <li class="api apilevel-"> 470 <a href="../../../../../../reference/android/support/test/espresso/web/bridge/package-summary.html">android.support.test.espresso.web.bridge</a></li> 471 <li class="api apilevel-"> 472 <a href="../../../../../../reference/android/support/test/espresso/web/matcher/package-summary.html">android.support.test.espresso.web.matcher</a></li> 473 <li class="api apilevel-"> 474 <a href="../../../../../../reference/android/support/test/espresso/web/model/package-summary.html">android.support.test.espresso.web.model</a></li> 475 <li class="api apilevel-"> 476 <a href="../../../../../../reference/android/support/test/espresso/web/sugar/package-summary.html">android.support.test.espresso.web.sugar</a></li> 477 <li class="api apilevel-"> 478 <a href="../../../../../../reference/android/support/test/espresso/web/webdriver/package-summary.html">android.support.test.espresso.web.webdriver</a></li> 479 <li class="api apilevel-"> 480 <a href="../../../../../../reference/android/support/test/filters/package-summary.html">android.support.test.filters</a></li> 481 <li class="api apilevel-"> 482 <a href="../../../../../../reference/android/support/test/rule/package-summary.html">android.support.test.rule</a></li> 483 <li class="api apilevel-"> 484 <a href="../../../../../../reference/android/support/test/runner/package-summary.html">android.support.test.runner</a></li> 485 <li class="api apilevel-"> 486 <a href="../../../../../../reference/android/support/test/runner/intent/package-summary.html">android.support.test.runner.intent</a></li> 487 <li class="api apilevel-"> 488 <a href="../../../../../../reference/android/support/test/runner/lifecycle/package-summary.html">android.support.test.runner.lifecycle</a></li> 489 <li class="api apilevel-"> 490 <a href="../../../../../../reference/android/support/test/uiautomator/package-summary.html">android.support.test.uiautomator</a></li> 491 </ul><br/> 492 493 </div> <!-- end packages-nav --> 494 </div> <!-- end resize-packages --> 495 <div id="classes-nav" class="scroll-pane"> 496 497 498 499 <ul> 500 501 502 <li><h2>Interfaces</h2> 503 <ul> 504 <li class="selected api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/RecyclerViewActions.PositionableRecyclerViewAction.html">RecyclerViewActions.PositionableRecyclerViewAction</a></li> 505 </ul> 506 </li> 507 508 <li><h2>Classes</h2> 509 <ul> 510 <li class="api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/AccessibilityChecks.html">AccessibilityChecks</a></li> 511 <li class="api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/CountingIdlingResource.html">CountingIdlingResource</a></li> 512 <li class="api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/DrawerActions.html">DrawerActions</a></li> 513 <li class="api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/DrawerMatchers.html">DrawerMatchers</a></li> 514 <li class="api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/PickerActions.html">PickerActions</a></li> 515 <li class="api apilevel-"><a href="../../../../../../reference/android/support/test/espresso/contrib/RecyclerViewActions.html">RecyclerViewActions</a></li> 516 </ul> 517 </li> 518 519 520 521 </ul><br/> 522 523 524 </div><!-- end classes --> 525 </div><!-- end nav-panels --> 526 <div id="nav-tree" style="display:none" class="scroll-pane"> 527 <div id="tree-list"></div> 528 </div><!-- end nav-tree --> 529 </div><!-- end swapper --> 530 <div id="nav-swap"> 531 <a class="fullscreen">fullscreen</a> 532 <a href='#' onclick='swapNav();return false;'><span id='tree-link'>Use Tree Navigation</span><span id='panel-link' style='display:none'>Use Panel Navigation</span></a> 533 </div> 534 </div> <!-- end devdoc-nav --> 535 </div> <!-- end side-nav --> 536 <script type="text/javascript"> 537 // init fullscreen based on user pref 538 var fullscreen = readCookie("fullscreen"); 539 if (fullscreen != 0) { 540 if (fullscreen == "false") { 541 toggleFullscreen(false); 542 } else { 543 toggleFullscreen(true); 544 } 545 } 546 // init nav version for mobile 547 if (isMobile) { 548 swapNav(); // tree view should be used on mobile 549 $('#nav-swap').hide(); 550 } else { 551 chooseDefaultNav(); 552 if ($("#nav-tree").is(':visible')) { 553 init_default_navtree("../../../../../../"); 554 } 555 } 556 // scroll the selected page into view 557 $(document).ready(function() { 558 scrollIntoView("packages-nav"); 559 scrollIntoView("classes-nav"); 560 }); 561 </script> 562 563 564 565 566 567<div class="col-12" id="doc-col"> 568 569<div id="api-info-block"> 570 571 572 573 574 575 576 577 578 579 580 581<div class="sum-details-links"> 582 583Summary: 584 585 586 587 588 589 590 591 592 593 594 595 <a href="#pubmethods">Methods</a> 596 597 598 599 600 | <a href="#inhmethods">Inherited Methods</a> 601 602| <a href="#" onclick="return toggleAllClassInherited()" id="toggleAllClassInherited">[Expand All]</a> 603 604</div><!-- end sum-details-links --> 605<div class="api-level"> 606 607 608 609 610</div> 611</div><!-- end api-info-block --> 612 613 614<!-- ======== START OF CLASS DATA ======== --> 615 616<div id="jd-header"> 617 public 618 static 619 620 621 interface 622<h1 itemprop="name">RecyclerViewActions.PositionableRecyclerViewAction</h1> 623 624 625 626 627 628 implements 629 630 <a href="../../../../../../reference/android/support/test/espresso/ViewAction.html">ViewAction</a> 631 632 633 634 635 636 637 638 639</div><!-- end header --> 640 641<div id="naMessage"></div> 642 643<div id="jd-content" class="api apilevel-"> 644<table class="jd-inheritance-table"> 645 646 647 <tr> 648 649 <td colspan="1" class="jd-inheritance-class-cell">android.support.test.espresso.contrib.RecyclerViewActions.PositionableRecyclerViewAction</td> 650 </tr> 651 652 653</table> 654 655 656 657 658 659 660 661<div class="jd-descr"> 662 663 664<h2>Class Overview</h2> 665<p itemprop="articleBody">Most RecyclerViewActions are given a matcher to select a particular view / viewholder within 666 the RecyclerView. In this case the default behaviour is to expect that the matcher matches 1 667 and only one item within the RecyclerView. 668 669 <p>This interface gives users the ability to override that type of behaviour and explicitly 670 select an item in the RecyclerView at a given position. This is similar to on the 671 onData(...).atPosition() api for AdapterViews. 672</p> 673 674 675 676 677 678</div><!-- jd-descr --> 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695<div class="jd-descr"> 696 697 698<h2>Summary</h2> 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726<!-- ========== METHOD SUMMARY =========== --> 727<table id="pubmethods" class="jd-sumtable"><tr><th colspan="12">Public Methods</th></tr> 728 729 730 731 732 <tr class="alt-color api apilevel-" > 733 <td class="jd-typecol"><nobr> 734 abstract 735 736 737 738 739 <a href="../../../../../../reference/android/support/test/espresso/contrib/RecyclerViewActions.PositionableRecyclerViewAction.html">RecyclerViewActions.PositionableRecyclerViewAction</a></nobr> 740 </td> 741 <td class="jd-linkcol" width="100%"><nobr> 742 <span class="sympad"><a href="../../../../../../reference/android/support/test/espresso/contrib/RecyclerViewActions.PositionableRecyclerViewAction.html#atPosition(int)">atPosition</a></span>(int position)</nobr> 743 744 <div class="jd-descrdiv"> 745 Returns a new ViewAction which will cause the ViewAction to operate upon the position-th 746 element which the matcher has selected. 747 748 749 750 </div> 751 752 </td></tr> 753 754 755 756</table> 757 758 759 760 761 762 763 764<!-- ========== METHOD SUMMARY =========== --> 765<table id="inhmethods" class="jd-sumtable"><tr><th> 766 <a href="#" class="toggle-all" onclick="return toggleAllInherited(this, null)">[Expand]</a> 767 <div style="clear:left;">Inherited Methods</div></th></tr> 768 769 770<tr class="api apilevel-" > 771<td colspan="12"> 772 <a href="#" onclick="return toggleInherited(this, null)" id="inherited-methods-android.support.test.espresso.ViewAction" class="jd-expando-trigger closed" 773 ><img id="inherited-methods-android.support.test.espresso.ViewAction-trigger" 774 src="../../../../../../assets/images/triangle-closed.png" 775 class="jd-expando-trigger-img" /></a> 776From interface 777 778 <a href="../../../../../../reference/android/support/test/espresso/ViewAction.html">android.support.test.espresso.ViewAction</a> 779 780<div id="inherited-methods-android.support.test.espresso.ViewAction"> 781 <div id="inherited-methods-android.support.test.espresso.ViewAction-list" 782 class="jd-inheritedlinks"> 783 </div> 784 <div id="inherited-methods-android.support.test.espresso.ViewAction-summary" style="display: none;"> 785 <table class="jd-sumtable-expando"> 786 787 788 789 790 <tr class="alt-color api apilevel-" > 791 <td class="jd-typecol"><nobr> 792 abstract 793 794 795 796 797 Matcher<View></nobr> 798 </td> 799 <td class="jd-linkcol" width="100%"><nobr> 800 <span class="sympad"><a href="../../../../../../reference/android/support/test/espresso/ViewAction.html#getConstraints()">getConstraints</a></span>()</nobr> 801 802 <div class="jd-descrdiv"> 803 A mechanism for ViewActions to specify what type of views they can operate on. 804 805 806 807 </div> 808 809 </td></tr> 810 811 812 813 <tr class=" api apilevel-" > 814 <td class="jd-typecol"><nobr> 815 abstract 816 817 818 819 820 String</nobr> 821 </td> 822 <td class="jd-linkcol" width="100%"><nobr> 823 <span class="sympad"><a href="../../../../../../reference/android/support/test/espresso/ViewAction.html#getDescription()">getDescription</a></span>()</nobr> 824 825 <div class="jd-descrdiv"> 826 Returns a description of the view action. 827 828 829 830 </div> 831 832 </td></tr> 833 834 835 836 <tr class="alt-color api apilevel-" > 837 <td class="jd-typecol"><nobr> 838 abstract 839 840 841 842 843 void</nobr> 844 </td> 845 <td class="jd-linkcol" width="100%"><nobr> 846 <span class="sympad"><a href="../../../../../../reference/android/support/test/espresso/ViewAction.html#perform(android.support.test.espresso.UiController, android.view.View)">perform</a></span>(<a href="../../../../../../reference/android/support/test/espresso/UiController.html">UiController</a> uiController, View view)</nobr> 847 848 <div class="jd-descrdiv"> 849 Performs this action on the given view. 850 851 852 853 </div> 854 855 </td></tr> 856 857 858</table> 859 </div> 860</div> 861</td></tr> 862 863 864</table> 865 866 867</div><!-- jd-descr (summary) --> 868 869<!-- Details --> 870 871 872 873 874 875 876 877 878<!-- XML Attributes --> 879 880 881<!-- Enum Values --> 882 883 884<!-- Constants --> 885 886 887<!-- Fields --> 888 889 890<!-- Public ctors --> 891 892 893 894<!-- ========= CONSTRUCTOR DETAIL ======== --> 895<!-- Protected ctors --> 896 897 898 899<!-- ========= METHOD DETAIL ======== --> 900<!-- Public methdos --> 901 902<h2>Public Methods</h2> 903 904 905 906<A NAME="atPosition(int)"></A> 907 908<div class="jd-details api apilevel-"> 909 <h4 class="jd-details-title"> 910 <span class="normal"> 911 public 912 913 914 abstract 915 916 <a href="../../../../../../reference/android/support/test/espresso/contrib/RecyclerViewActions.PositionableRecyclerViewAction.html">RecyclerViewActions.PositionableRecyclerViewAction</a> 917 </span> 918 <span class="sympad">atPosition</span> 919 <span class="normal">(int position)</span> 920 </h4> 921 <div class="api-level"> 922 <div></div> 923 924 925 926 </div> 927 <div class="jd-details-descr"> 928 929 930 931 932 <div class="jd-tagdata jd-tagdescr"><p>Returns a new ViewAction which will cause the ViewAction to operate upon the position-th 933 element which the matcher has selected.</p></div> 934 <div class="jd-tagdata"> 935 <h5 class="jd-tagtitle">Parameters</h5> 936 <table class="jd-tagtable"> 937 <tr> 938 <th>position</td> 939 <td>a 0-based index into the list of matching elements within the RecyclerView.</td> 940 </tr> 941 </table> 942 </div> 943 <div class="jd-tagdata"> 944 <h5 class="jd-tagtitle">Returns</h5> 945 <ul class="nolist"><li>PositionableRecyclerViewAction a new ViewAction focused on a particular position.</li></ul> 946 </div> 947 <div class="jd-tagdata"> 948 <h5 class="jd-tagtitle">Throws</h5> 949 <table class="jd-tagtable"> 950 <tr> 951 <th>IllegalArgumentException</td> 952 <td>if position < 0. 953</td> 954 </tr> 955 </table> 956 </div> 957 958 </div> 959</div> 960 961 962 963 964 965<!-- ========= METHOD DETAIL ======== --> 966 967 968 969<!-- ========= END OF CLASS DATA ========= --> 970<A NAME="navbar_top"></A> 971</div> <!-- jd-content --> 972 973<div class="wrap"> 974 <div class="dac-footer"> 975 <div class="cols dac-footer-main"> 976 <div class="col-1of2"> 977 <a class="dac-footer-getnews" data-modal-toggle="newsletter" href="javascript:;">Get news & tips <span 978 class="dac-fab dac-primary"><i class="dac-sprite dac-mail"></i></span></a> 979 </div> 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