1 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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119<!DOCTYPE html> 120<html devsite> 121<head> 122 123 124 <meta name="top_category" value="develop" /> 125 126 <meta name="subcategory" value="reference" /> 127 128 129 <meta name="book_path" value="/reference/android/support/wearable/_book.yaml" /> 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145<title>GridPagerAdapter</title> 146 147 148</head> 149 150<body class="gc-documentation develop reference api apilevel-"> 151<div id="doc-api-level" class="" style="display:none"></div> 152 153 154 155 156<div id="naMessage"></div> 157 158<div id="api-info-block"> 159<div class="api-level"> 160 161 162 163 164</div> 165 166 167 168 169 170 171 172 173 174 175 176<div class="sum-details-links"> 177 178Summary: 179 180 181 182 183 184 <a href="#constants">Constants</a> 185 186 187 188 189 | <a href="#lfields">Fields</a> 190 191 192 193 194 | <a href="#pubctors">Ctors</a> 195 196 197 198 199 | <a href="#pubmethods">Methods</a> 200 201 202 203 | <a href="#promethods">Protected Methods</a> 204 205 206 207 | <a href="#inhmethods">Inherited Methods</a> 208 209| <a href="#" onclick="return toggleAllClassInherited()" id="toggleAllClassInherited">[Expand All]</a> 210 211</div><!-- end sum-details-links --> 212</div><!-- end api-info-block --> 213 214<div class="api apilevel-" id="jd-content"> 215 216<!-- ======== START OF CLASS DATA ======== --> 217 218<h1 class="api-title">GridPagerAdapter</h1> 219<p> 220<code class="api-signature"> 221 public 222 223 224 abstract 225 class 226 GridPagerAdapter 227</code> 228<br> 229 230 231<code class="api-signature"> 232 233 extends Object 234 235 236 237</code> 238 239<code class="api-signature"> 240 241 242 243</code> 244 245</p><table class="jd-inheritance-table"> 246 247 248 <tr> 249 250 <td colspan="2" class="jd-inheritance-class-cell">java.lang.Object 251 </td> 252 </tr> 253 254 255 <tr> 256 257 <td class="jd-inheritance-space"> ↳</td> 258 259 <td colspan="1" class="jd-inheritance-class-cell">android.support.wearable.view.GridPagerAdapter 260 </td> 261 </tr> 262 263 264</table> 265 <table class="jd-sumtable jd-sumtable-subclasses"> 266 <tr><td style="border:none;margin:0;padding:0;"> 267 268 <a href="#" onclick="return toggleInherited(this, null)" id="subclasses-direct" class="jd-expando-trigger closed" 269 ><img height="34" id="subclasses-direct-trigger" 270 src="/assets/images/styles/disclosure_down.png" 271 class="jd-expando-trigger-img" /></a>Known Direct Subclasses 272 273 <div id="subclasses-direct"> 274 <div id="subclasses-direct-list" 275 class="jd-inheritedlinks" 276 277 > 278 279 280 <a href="/reference/android/support/wearable/view/FragmentGridPagerAdapter.html">FragmentGridPagerAdapter</a> 281 282 283 </div> 284 <div id="subclasses-direct-summary" 285 style="display: none;" 286 > 287 288 <table class="jd-sumtable-expando"> 289 290 <tr class="alt-color api apilevel-" > 291 <td class="jd-linkcol"><a href="/reference/android/support/wearable/view/FragmentGridPagerAdapter.html">FragmentGridPagerAdapter</a></td> 292 <td class="jd-descrcol" width="100%"> 293 An implementation of GridPagerAdapter which represents each page as a <code><a href="/reference/android/app/Fragment.html">Fragment</a></code>. 294 295 296 297 </td> 298 </tr> 299 300 301 </table> 302 303 </div> 304 </div> 305 </td></tr> 306 </table> 307 308 309 310 311 312<br><hr> 313 314 315 <p>This component is responsible for providing views requested by a <code><a href="/reference/android/support/wearable/view/GridViewPager.html">GridViewPager</a></code>. 316 <p> 317 Content is organized into rows and columns of pages, where each page is represented by a View. 318 Each row may contain a different number of columns. 319 <p> 320 In addition to content views, this adapter is also queried for backgrounds to be displayed for 321 each page. When the same background spans multiple pages, it's automatically zoomed and panned to 322 create a parallax effect against the movement of the page content as it moves. By default, no 323 background is provided. 324</p> 325 326 327 328 329 330 331 332<h2 class="api-section">Summary</h2> 333 334 335 336 337 338 339 340 341 342 343 344 345 346<!-- =========== ENUM CONSTANT SUMMARY =========== --> 347<table id="constants" class="responsive constants"> 348<tr><th colspan="2"><h3>Constants</h3></th></tr> 349 350 351 352 <tr class="api apilevel-" > 353 <td><code>int</code></td> 354 <td width="100%"> 355 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#OPTION_DISABLE_PARALLAX">OPTION_DISABLE_PARALLAX</a></code> 356 <p>Disables zooming and parallax scrolling of the background. 357 358 359</p> 360 </td> 361 </tr> 362 363 364 <tr class="api apilevel-" > 365 <td><code>int</code></td> 366 <td width="100%"> 367 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#PAGE_DEFAULT_OPTIONS">PAGE_DEFAULT_OPTIONS</a></code> 368 <p>Default background options. 369 370 371</p> 372 </td> 373 </tr> 374 375 376 377</table> 378 379 380 381 382 383 384 385<!-- =========== FIELD SUMMARY =========== --> 386<table id="lfields" class="responsive properties"> 387<tr><th colspan="2"><h3>Fields</h3></th></tr> 388 389 390 391 <tr class="api apilevel-" > 392 <td><code> 393 public 394 static 395 final 396 Drawable</code></td> 397 <td width="100%"> 398 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#BACKGROUND_NONE">BACKGROUND_NONE</a></code> 399 <p>This value indicates that no background should drawn. 400 401 402</p> 403 </td> 404 </tr> 405 406 407 <tr class="api apilevel-" > 408 <td><code> 409 public 410 static 411 final 412 Point</code></td> 413 <td width="100%"> 414 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_NONE">POSITION_NONE</a></code> 415 <p> 416 417 418</p> 419 </td> 420 </tr> 421 422 423 <tr class="api apilevel-" > 424 <td><code> 425 public 426 static 427 final 428 Point</code></td> 429 <td width="100%"> 430 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_UNCHANGED">POSITION_UNCHANGED</a></code> 431 <p> 432 433 434</p> 435 </td> 436 </tr> 437 438 439 440</table> 441 442 443 444 445 446 447 448<!-- ======== CONSTRUCTOR SUMMARY ======== --> 449<table id="pubctors" class="responsive constructors"> 450<tr><th colspan="2"><h3>Public constructors</h3></th></tr> 451 452 453 454 455 <tr class="api apilevel-" > 456 457 458 <td width="100%"> 459 <code> 460 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#GridPagerAdapter()">GridPagerAdapter</a>() 461 </code> 462 463 </td> 464 </tr> 465 466 467 468</table> 469 470 471 472 473 474 475<!-- ========== METHOD SUMMARY =========== --> 476<table id="pubmethods" class="responsive methods"> 477<tr><th colspan="2"><h3>Public methods</h3></th></tr> 478 479 480 481 482 <tr class="api apilevel-" > 483 484 485 <td><code> 486 abstract 487 488 489 490 491 void</code> 492 </td> 493 494 <td width="100%"> 495 <code> 496 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#destroyItem(android.view.ViewGroup, int, int, java.lang.Object)">destroyItem</a>(ViewGroup container, int row, int column, Object object) 497 </code> 498 499 <p>Removes a page for the given position. 500 501 502</p> 503 504 </td> 505 </tr> 506 507 508 509 <tr class="api apilevel-" > 510 511 512 <td><code> 513 514 515 516 517 518 void</code> 519 </td> 520 521 <td width="100%"> 522 <code> 523 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#finishUpdate(android.view.ViewGroup)">finishUpdate</a>(ViewGroup container) 524 </code> 525 526 <p>Called when the a change in the shown pages has been completed. 527 528 529</p> 530 531 </td> 532 </tr> 533 534 535 536 <tr class="api apilevel-" > 537 538 539 <td><code> 540 541 542 543 544 545 Drawable</code> 546 </td> 547 548 <td width="100%"> 549 <code> 550 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForPage(int, int)">getBackgroundForPage</a>(int row, int column) 551 </code> 552 553 <p>Provides content to be displayed as background for a specific page. 554 555 556</p> 557 558 </td> 559 </tr> 560 561 562 563 <tr class="api apilevel-" > 564 565 566 <td><code> 567 568 569 570 571 572 Drawable</code> 573 </td> 574 575 <td width="100%"> 576 <code> 577 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForRow(int)">getBackgroundForRow</a>(int row) 578 </code> 579 580 <p>Provides content to be displayed as the default background for all pages on the given row. 581 582 583</p> 584 585 </td> 586 </tr> 587 588 589 590 <tr class="api apilevel-" > 591 592 593 <td><code> 594 abstract 595 596 597 598 599 int</code> 600 </td> 601 602 <td width="100%"> 603 <code> 604 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getColumnCount(int)">getColumnCount</a>(int row) 605 </code> 606 607 <p>Returns the maximum number of columns for each row. 608 609 610</p> 611 612 </td> 613 </tr> 614 615 616 617 <tr class="api apilevel-" > 618 619 620 <td><code> 621 622 623 624 625 626 int</code> 627 </td> 628 629 <td width="100%"> 630 <code> 631 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getCurrentColumnForRow(int, int)">getCurrentColumnForRow</a>(int row, int currentColumn) 632 </code> 633 634 <p>Returns the column to arrive at when navigating vertically to the specified row. 635 636 637</p> 638 639 </td> 640 </tr> 641 642 643 644 <tr class="api apilevel-" > 645 646 647 <td><code> 648 649 650 651 652 653 Point</code> 654 </td> 655 656 <td width="100%"> 657 <code> 658 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition</a>(Object object) 659 </code> 660 661 <p>Called when the host view is attempting to determine if an item's position has changed. 662 663 664</p> 665 666 </td> 667 </tr> 668 669 670 671 <tr class="api apilevel-" > 672 673 674 <td><code> 675 676 677 678 679 680 int</code> 681 </td> 682 683 <td width="100%"> 684 <code> 685 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getOptionsForPage(int, int)">getOptionsForPage</a>(int row, int column) 686 </code> 687 688 <p>Provides a set of features to apply to a page background. 689 690 691</p> 692 693 </td> 694 </tr> 695 696 697 698 <tr class="api apilevel-" > 699 700 701 <td><code> 702 abstract 703 704 705 706 707 int</code> 708 </td> 709 710 <td width="100%"> 711 <code> 712 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getRowCount()">getRowCount</a>() 713 </code> 714 715 <p>Returns the number of rows available. 716 717 718</p> 719 720 </td> 721 </tr> 722 723 724 725 <tr class="api apilevel-" > 726 727 728 <td><code> 729 abstract 730 731 732 733 734 Object</code> 735 </td> 736 737 <td width="100%"> 738 <code> 739 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#instantiateItem(android.view.ViewGroup, int, int)">instantiateItem</a>(ViewGroup container, int row, int column) 740 </code> 741 742 <p>Creates the page for the given position. 743 744 745</p> 746 747 </td> 748 </tr> 749 750 751 752 <tr class="api apilevel-" > 753 754 755 <td><code> 756 abstract 757 758 759 760 761 boolean</code> 762 </td> 763 764 <td width="100%"> 765 <code> 766 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#isViewFromObject(android.view.View, java.lang.Object)">isViewFromObject</a>(View view, Object object) 767 </code> 768 769 <p>Determines whether a page View is associated with a specific key object as returned by 770 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#instantiateItem(android.view.ViewGroup, int, int)">instantiateItem(ViewGroup, int, int)</a></code>. 771 772 773</p> 774 775 </td> 776 </tr> 777 778 779 780 <tr class="api apilevel-" > 781 782 783 <td><code> 784 785 786 787 788 789 void</code> 790 </td> 791 792 <td width="100%"> 793 <code> 794 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#notifyDataSetChanged()">notifyDataSetChanged</a>() 795 </code> 796 797 <p>This method should be called by the application if the data backing this adapter has changed 798 and associated views should update. 799 800 801</p> 802 803 </td> 804 </tr> 805 806 807 808 <tr class="api apilevel-" > 809 810 811 <td><code> 812 813 814 815 816 817 void</code> 818 </td> 819 820 <td width="100%"> 821 <code> 822 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#notifyPageBackgroundChanged(int, int)">notifyPageBackgroundChanged</a>(int row, int column) 823 </code> 824 825 <p>This method should be called if the value returned by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForPage(int, int)">getBackgroundForPage(int, int)</a></code> 826 or options returned by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getOptionsForPage(int, int)">getOptionsForPage(int, int)</a></code> change. 827 828 829</p> 830 831 </td> 832 </tr> 833 834 835 836 <tr class="api apilevel-" > 837 838 839 <td><code> 840 841 842 843 844 845 void</code> 846 </td> 847 848 <td width="100%"> 849 <code> 850 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#notifyRowBackgroundChanged(int)">notifyRowBackgroundChanged</a>(int row) 851 </code> 852 853 <p>This method should be called if the value returned by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForRow(int)">getBackgroundForRow(int)</a></code> 854 changes. 855 856 857</p> 858 859 </td> 860 </tr> 861 862 863 864 <tr class="api apilevel-" > 865 866 867 <td><code> 868 869 870 871 872 873 void</code> 874 </td> 875 876 <td width="100%"> 877 <code> 878 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#registerDataSetObserver(android.database.DataSetObserver)">registerDataSetObserver</a>(DataSetObserver observer) 879 </code> 880 881 <p>Register an observer to receive callbacks related to the adapter's data changing. 882 883 884</p> 885 886 </td> 887 </tr> 888 889 890 891 <tr class="api apilevel-" > 892 893 894 <td><code> 895 896 897 898 899 900 void</code> 901 </td> 902 903 <td width="100%"> 904 <code> 905 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#restoreState(android.os.Parcelable, java.lang.ClassLoader)">restoreState</a>(Parcelable savedState, ClassLoader classLoader) 906 </code> 907 908 <p>Restores the previously saved state of this adapter. 909 910 911</p> 912 913 </td> 914 </tr> 915 916 917 918 <tr class="api apilevel-" > 919 920 921 <td><code> 922 923 924 925 926 927 Parcelable</code> 928 </td> 929 930 <td width="100%"> 931 <code> 932 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#saveState()">saveState</a>() 933 </code> 934 935 <p>Saves the current state of this adapter. 936 937 938</p> 939 940 </td> 941 </tr> 942 943 944 945 <tr class="api apilevel-" > 946 947 948 <td><code> 949 950 951 952 953 954 void</code> 955 </td> 956 957 <td width="100%"> 958 <code> 959 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#setCurrentColumnForRow(int, int)">setCurrentColumnForRow</a>(int row, int currentColumn) 960 </code> 961 962 <p>Called to inform the adapter of which column is now current for the given row. 963 964 965</p> 966 967 </td> 968 </tr> 969 970 971 972 <tr class="api apilevel-" > 973 974 975 <td><code> 976 977 978 979 980 981 void</code> 982 </td> 983 984 <td width="100%"> 985 <code> 986 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#startUpdate(android.view.ViewGroup)">startUpdate</a>(ViewGroup container) 987 </code> 988 989 <p>Called when a change in the shown pages is going to start being made. 990 991 992</p> 993 994 </td> 995 </tr> 996 997 998 999 <tr class="api apilevel-" > 1000 1001 1002 <td><code> 1003 1004 1005 1006 1007 1008 void</code> 1009 </td> 1010 1011 <td width="100%"> 1012 <code> 1013 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#unregisterDataSetObserver(android.database.DataSetObserver)">unregisterDataSetObserver</a>(DataSetObserver observer) 1014 </code> 1015 1016 <p>Unregister an observer from callbacks related to the adapter's data changing. 1017 1018 1019</p> 1020 1021 </td> 1022 </tr> 1023 1024 1025 1026</table> 1027 1028 1029 1030 1031<!-- ========== METHOD SUMMARY =========== --> 1032<table id="promethods" class="reponsive methods"> 1033<tr><th colspan="2"><h3>Protected methods</h3></th></tr> 1034 1035 1036 1037 1038 <tr class="api apilevel-" > 1039 1040 1041 <td><code> 1042 1043 1044 1045 1046 1047 void</code> 1048 </td> 1049 1050 <td width="100%"> 1051 <code> 1052 <a href="/reference/android/support/wearable/view/GridPagerAdapter.html#applyItemPosition(java.lang.Object, android.graphics.Point)">applyItemPosition</a>(Object object, Point position) 1053 </code> 1054 1055 <p>Called after <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition(Object)</a></code> to allow superclasses to update their 1056 internal bookkeeping if a subclass has overridden <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition(Object)</a></code>. 1057 1058 1059</p> 1060 1061 </td> 1062 </tr> 1063 1064 1065 1066</table> 1067 1068 1069 1070 1071 1072<!-- ========== METHOD SUMMARY =========== --> 1073<table id="inhmethods" class="methods inhtable"> 1074<tr><th><h3>Inherited methods</h3></th></tr> 1075 1076 1077<tr class="api apilevel-" > 1078<td colspan="2"> 1079 1080 <a href="#" onclick="return toggleInherited(this, null)" id="inherited-methods-java.lang.Object" class="jd-expando-trigger closed" 1081 ><img height="34" id="inherited-methods-java.lang.Object-trigger" 1082 src="/assets/images/styles/disclosure_down.png" 1083 class="jd-expando-trigger-img" /></a>From 1084class 1085<code> 1086 1087 java.lang.Object 1088 1089</code> 1090<div id="inherited-methods-java.lang.Object"> 1091 <div id="inherited-methods-java.lang.Object-list" 1092 class="jd-inheritedlinks"> 1093 </div> 1094 <div id="inherited-methods-java.lang.Object-summary" style="display: none;"> 1095 <table class="jd-sumtable-expando responsive"> 1096 1097 1098 1099 1100 <tr class="api apilevel-" > 1101 1102 1103 <td><code> 1104 1105 1106 1107 1108 1109 Object</code> 1110 </td> 1111 1112 <td width="100%"> 1113 <code> 1114 clone() 1115 </code> 1116 1117 </td> 1118 </tr> 1119 1120 1121 1122 <tr class="api apilevel-" > 1123 1124 1125 <td><code> 1126 1127 1128 1129 1130 1131 boolean</code> 1132 </td> 1133 1134 <td width="100%"> 1135 <code> 1136 equals(Object arg0) 1137 </code> 1138 1139 </td> 1140 </tr> 1141 1142 1143 1144 <tr class="api apilevel-" > 1145 1146 1147 <td><code> 1148 1149 1150 1151 1152 1153 void</code> 1154 </td> 1155 1156 <td width="100%"> 1157 <code> 1158 finalize() 1159 </code> 1160 1161 </td> 1162 </tr> 1163 1164 1165 1166 <tr class="api apilevel-" > 1167 1168 1169 <td><code> 1170 1171 1172 1173 final 1174 1175 Class<?></code> 1176 </td> 1177 1178 <td width="100%"> 1179 <code> 1180 getClass() 1181 </code> 1182 1183 </td> 1184 </tr> 1185 1186 1187 1188 <tr class="api apilevel-" > 1189 1190 1191 <td><code> 1192 1193 1194 1195 1196 1197 int</code> 1198 </td> 1199 1200 <td width="100%"> 1201 <code> 1202 hashCode() 1203 </code> 1204 1205 </td> 1206 </tr> 1207 1208 1209 1210 <tr class="api apilevel-" > 1211 1212 1213 <td><code> 1214 1215 1216 1217 final 1218 1219 void</code> 1220 </td> 1221 1222 <td width="100%"> 1223 <code> 1224 notify() 1225 </code> 1226 1227 </td> 1228 </tr> 1229 1230 1231 1232 <tr class="api apilevel-" > 1233 1234 1235 <td><code> 1236 1237 1238 1239 final 1240 1241 void</code> 1242 </td> 1243 1244 <td width="100%"> 1245 <code> 1246 notifyAll() 1247 </code> 1248 1249 </td> 1250 </tr> 1251 1252 1253 1254 <tr class="api apilevel-" > 1255 1256 1257 <td><code> 1258 1259 1260 1261 1262 1263 String</code> 1264 </td> 1265 1266 <td width="100%"> 1267 <code> 1268 toString() 1269 </code> 1270 1271 </td> 1272 </tr> 1273 1274 1275 1276 <tr class="api apilevel-" > 1277 1278 1279 <td><code> 1280 1281 1282 1283 final 1284 1285 void</code> 1286 </td> 1287 1288 <td width="100%"> 1289 <code> 1290 wait(long arg0, int arg1) 1291 </code> 1292 1293 </td> 1294 </tr> 1295 1296 1297 1298 <tr class="api apilevel-" > 1299 1300 1301 <td><code> 1302 1303 1304 1305 final 1306 1307 void</code> 1308 </td> 1309 1310 <td width="100%"> 1311 <code> 1312 wait(long arg0) 1313 </code> 1314 1315 </td> 1316 </tr> 1317 1318 1319 1320 <tr class="api apilevel-" > 1321 1322 1323 <td><code> 1324 1325 1326 1327 final 1328 1329 void</code> 1330 </td> 1331 1332 <td width="100%"> 1333 <code> 1334 wait() 1335 </code> 1336 1337 </td> 1338 </tr> 1339 1340 1341 1342 </table> 1343 </div> 1344</div> 1345</td></tr> 1346 1347 1348</table> 1349 1350 1351 1352<!-- XML Attributes --> 1353 1354 1355<!-- Enum Values --> 1356 1357 1358<!-- Constants --> 1359 1360 1361<!-- ========= ENUM CONSTANTS DETAIL ======== --> 1362<h2 class="api-section">Constants</h2> 1363 1364 1365 1366 1367<A NAME="OPTION_DISABLE_PARALLAX"></A> 1368 1369<div class="api apilevel-"> 1370 <h3 class="api-name">OPTION_DISABLE_PARALLAX</h3> 1371 <div class="api-level"> 1372 1373 1374 1375 1376 </div> 1377<pre class="api-signature no-pretty-print"> 1378int OPTION_DISABLE_PARALLAX</pre> 1379 1380 1381 1382 1383 <p>Disables zooming and parallax scrolling of the background. 1384</p> 1385 1386 1387 <p>Constant Value: 1388 1389 1 1390 (0x00000001) 1391 1392 1393</div> 1394 1395 1396 1397<A NAME="PAGE_DEFAULT_OPTIONS"></A> 1398 1399<div class="api apilevel-"> 1400 <h3 class="api-name">PAGE_DEFAULT_OPTIONS</h3> 1401 <div class="api-level"> 1402 1403 1404 1405 1406 </div> 1407<pre class="api-signature no-pretty-print"> 1408int PAGE_DEFAULT_OPTIONS</pre> 1409 1410 1411 1412 1413 <p>Default background options. Parallax scrolling is enabled. 1414</p> 1415 1416 1417 <p>Constant Value: 1418 1419 0 1420 (0x00000000) 1421 1422 1423</div> 1424 1425 1426 1427 1428<!-- Fields --> 1429 1430 1431<!-- ========= FIELD DETAIL ======== --> 1432<h2 class="api-section">Fields</h2> 1433 1434 1435 1436 1437<A NAME="BACKGROUND_NONE"></A> 1438 1439<div class="api apilevel-"> 1440 <h3 class="api-name">BACKGROUND_NONE</h3> 1441 <div class="api-level"> 1442 1443 1444 1445 1446 </div> 1447<pre class="api-signature no-pretty-print"> 1448Drawable BACKGROUND_NONE</pre> 1449 1450 1451 1452 1453 <p>This value indicates that no background should drawn. See <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForRow(int)">getBackgroundForRow(int)</a></code> and 1454 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForPage(int, int)">getBackgroundForPage(int, int)</a></code> for specific effects. 1455</p> 1456 1457 1458</div> 1459 1460 1461 1462<A NAME="POSITION_NONE"></A> 1463 1464<div class="api apilevel-"> 1465 <h3 class="api-name">POSITION_NONE</h3> 1466 <div class="api-level"> 1467 1468 1469 1470 1471 </div> 1472<pre class="api-signature no-pretty-print"> 1473Point POSITION_NONE</pre> 1474 1475 1476 1477 1478 <p></p> 1479 1480 1481</div> 1482 1483 1484 1485<A NAME="POSITION_UNCHANGED"></A> 1486 1487<div class="api apilevel-"> 1488 <h3 class="api-name">POSITION_UNCHANGED</h3> 1489 <div class="api-level"> 1490 1491 1492 1493 1494 </div> 1495<pre class="api-signature no-pretty-print"> 1496Point POSITION_UNCHANGED</pre> 1497 1498 1499 1500 1501 <p></p> 1502 1503 1504</div> 1505 1506 1507 1508 1509<!-- Public ctors --> 1510 1511 1512<!-- ========= CONSTRUCTOR DETAIL ======== --> 1513<h2 class="api-section">Public constructors</h2> 1514 1515 1516 1517<A NAME="GridPagerAdapter()"></A> 1518 1519<div class="api apilevel-"> 1520 <h3 class="api-name">GridPagerAdapter</h3> 1521 <div class="api-level"> 1522 <div></div> 1523 1524 1525 1526 </div> 1527<pre class="api-signature no-pretty-print"> 1528GridPagerAdapter ()</pre> 1529 1530 1531 1532 1533 <p></p> 1534 1535</div> 1536 1537 1538 1539 1540 1541<!-- ========= CONSTRUCTOR DETAIL ======== --> 1542<!-- Protected ctors --> 1543 1544 1545 1546<!-- ========= METHOD DETAIL ======== --> 1547<!-- Public methdos --> 1548 1549<h2 class="api-section">Public methods</h2> 1550 1551 1552 1553<A NAME="destroyItem(android.view.ViewGroup, int, int, java.lang.Object)"></A> 1554 1555<div class="api apilevel-"> 1556 <h3 class="api-name">destroyItem</h3> 1557 <div class="api-level"> 1558 <div></div> 1559 1560 1561 1562 </div> 1563<pre class="api-signature no-pretty-print"> 1564void destroyItem (ViewGroup container, 1565 int row, 1566 int column, 1567 Object object)</pre> 1568 1569 1570 1571 1572 <p>Removes a page for the given position. The adapter is responsible for removing the view from 1573 its container, although it only must ensure this is done by the time it returns from 1574 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#finishUpdate(android.view.ViewGroup)">finishUpdate(ViewGroup)</a></code>.</p> 1575 <table class="responsive"> 1576 <tr><th colspan=2>Parameters</th></tr> 1577 <tr> 1578 <td><code>container</code></td> 1579 <td width="100%"> 1580 <code>ViewGroup</code>: 1581 The containing View from which the page will be removed.</td> 1582 </tr> 1583 <tr> 1584 <td><code>row</code></td> 1585 <td width="100%"> 1586 <code>int</code>: 1587 the row to be destroyed</td> 1588 </tr> 1589 <tr> 1590 <td><code>column</code></td> 1591 <td width="100%"> 1592 <code>int</code>: 1593 the column within the row to be destroyed</td> 1594 </tr> 1595 <tr> 1596 <td><code>object</code></td> 1597 <td width="100%"> 1598 <code>Object</code>: 1599 The same object that was returned by 1600 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#instantiateItem(android.view.ViewGroup, int, int)">instantiateItem(ViewGroup, int, int)</a></code>. 1601</td> 1602 </tr> 1603 </table> 1604 1605</div> 1606 1607 1608<A NAME="finishUpdate(android.view.ViewGroup)"></A> 1609 1610<div class="api apilevel-"> 1611 <h3 class="api-name">finishUpdate</h3> 1612 <div class="api-level"> 1613 <div></div> 1614 1615 1616 1617 </div> 1618<pre class="api-signature no-pretty-print"> 1619void finishUpdate (ViewGroup container)</pre> 1620 1621 1622 1623 1624 <p>Called when the a change in the shown pages has been completed. At this point you must ensure 1625 that all of the pages have actually been added or removed from the container as appropriate.</p> 1626 <table class="responsive"> 1627 <tr><th colspan=2>Parameters</th></tr> 1628 <tr> 1629 <td><code>container</code></td> 1630 <td width="100%"> 1631 <code>ViewGroup</code>: 1632 The containing View which is displaying this adapter's page views 1633</td> 1634 </tr> 1635 </table> 1636 1637</div> 1638 1639 1640<A NAME="getBackgroundForPage(int, int)"></A> 1641 1642<div class="api apilevel-"> 1643 <h3 class="api-name">getBackgroundForPage</h3> 1644 <div class="api-level"> 1645 <div></div> 1646 1647 1648 1649 </div> 1650<pre class="api-signature no-pretty-print"> 1651Drawable getBackgroundForPage (int row, 1652 int column)</pre> 1653 1654 1655 1656 1657 <p>Provides content to be displayed as background for a specific page. 1658 <p> 1659 The return value <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#BACKGROUND_NONE">BACKGROUND_NONE</a></code> indicates that there is no page-specific background. 1660 and the row background should be used (if any). 1661 <p> 1662 The return value of this method can be cached. <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#notifyPageBackgroundChanged(int, int)">notifyPageBackgroundChanged(int, int)</a></code> may be 1663 used to invalidate a previously returned value. <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForPage(int, int)">getBackgroundForPage(int, int)</a></code> will then be 1664 called to request the new value when necessary.</p> 1665 <table class="responsive"> 1666 <tr><th colspan=2>Parameters</th></tr> 1667 <tr> 1668 <td><code>row</code></td> 1669 <td width="100%"> 1670 <code>int</code>: 1671 the row of the page</td> 1672 </tr> 1673 <tr> 1674 <td><code>column</code></td> 1675 <td width="100%"> 1676 <code>int</code>: 1677 the column of the page 1678</td> 1679 </tr> 1680 </table> 1681 <table class="responsive"> 1682 <tr><th colspan=2>Returns</th></tr> 1683 <tr> 1684 <td><code>Drawable</code></td> 1685 <td width="100%"><!-- no returns description in source --></td> 1686 </tr> 1687 </table> 1688 1689</div> 1690 1691 1692<A NAME="getBackgroundForRow(int)"></A> 1693 1694<div class="api apilevel-"> 1695 <h3 class="api-name">getBackgroundForRow</h3> 1696 <div class="api-level"> 1697 <div></div> 1698 1699 1700 1701 </div> 1702<pre class="api-signature no-pretty-print"> 1703Drawable getBackgroundForRow (int row)</pre> 1704 1705 1706 1707 1708 <p>Provides content to be displayed as the default background for all pages on the given row. 1709 <p> 1710 The return value <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#BACKGROUND_NONE">BACKGROUND_NONE</a></code> causes no background to be displayed, except for 1711 those applied by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForPage(int, int)">getBackgroundForPage(int, int)</a></code>. 1712 <p> 1713 The return value of this method can be cached. <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#notifyRowBackgroundChanged(int)">notifyRowBackgroundChanged(int)</a></code> may be 1714 used to invalidate a previously returned value. <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForRow(int)">getBackgroundForRow(int)</a></code> will then be 1715 called to request the new value when necessary.</p> 1716 <table class="responsive"> 1717 <tr><th colspan=2>Parameters</th></tr> 1718 <tr> 1719 <td><code>row</code></td> 1720 <td width="100%"> 1721 <code>int</code>: 1722 the row of the page</td> 1723 </tr> 1724 </table> 1725 <table class="responsive"> 1726 <tr><th colspan=2>Returns</th></tr> 1727 <tr> 1728 <td><code>Drawable</code></td> 1729 <td width="100%">a drawable to display for the row 1730</td> 1731 </tr> 1732 </table> 1733 1734</div> 1735 1736 1737<A NAME="getColumnCount(int)"></A> 1738 1739<div class="api apilevel-"> 1740 <h3 class="api-name">getColumnCount</h3> 1741 <div class="api-level"> 1742 <div></div> 1743 1744 1745 1746 </div> 1747<pre class="api-signature no-pretty-print"> 1748int getColumnCount (int row)</pre> 1749 1750 1751 1752 1753 <p>Returns the maximum number of columns for each row. The number of columns may vary by row. 1754</p> 1755 <table class="responsive"> 1756 <tr><th colspan=2>Parameters</th></tr> 1757 <tr> 1758 <td><code>row</code></td> 1759 <td width="100%"> 1760 <code>int</code> 1761 <!-- no parameter comment --></td> 1762 </tr> 1763 </table> 1764 <table class="responsive"> 1765 <tr><th colspan=2>Returns</th></tr> 1766 <tr> 1767 <td><code>int</code></td> 1768 <td width="100%"><!-- no returns description in source --></td> 1769 </tr> 1770 </table> 1771 1772</div> 1773 1774 1775<A NAME="getCurrentColumnForRow(int, int)"></A> 1776 1777<div class="api apilevel-"> 1778 <h3 class="api-name">getCurrentColumnForRow</h3> 1779 <div class="api-level"> 1780 <div></div> 1781 1782 1783 1784 </div> 1785<pre class="api-signature no-pretty-print"> 1786int getCurrentColumnForRow (int row, 1787 int currentColumn)</pre> 1788 1789 1790 1791 1792 <p>Returns the column to arrive at when navigating vertically to the specified row. 1793 <p> 1794 The default implementation simply returns 0.</p> 1795 <table class="responsive"> 1796 <tr><th colspan=2>Parameters</th></tr> 1797 <tr> 1798 <td><code>row</code></td> 1799 <td width="100%"> 1800 <code>int</code>: 1801 the row in question</td> 1802 </tr> 1803 <tr> 1804 <td><code>currentColumn</code></td> 1805 <td width="100%"> 1806 <code>int</code>: 1807 the column which is currently centered</td> 1808 </tr> 1809 </table> 1810 <table class="responsive"> 1811 <tr><th colspan=2>Returns</th></tr> 1812 <tr> 1813 <td><code>int</code></td> 1814 <td width="100%">the column to arrive at 1815</td> 1816 </tr> 1817 </table> 1818 1819</div> 1820 1821 1822<A NAME="getItemPosition(java.lang.Object)"></A> 1823 1824<div class="api apilevel-"> 1825 <h3 class="api-name">getItemPosition</h3> 1826 <div class="api-level"> 1827 <div></div> 1828 1829 1830 1831 </div> 1832<pre class="api-signature no-pretty-print"> 1833Point getItemPosition (Object object)</pre> 1834 1835 1836 1837 1838 <p>Called when the host view is attempting to determine if an item's position has changed. 1839 Returns <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_UNCHANGED">POSITION_UNCHANGED</a></code> if the position of the given item has not changed or 1840 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_NONE">POSITION_NONE</a></code> if the item is no longer present in the adapter. 1841 <p> 1842 The default implementation assumes that all items have been removed and always returns 1843 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_NONE">POSITION_NONE</a></code>. This causes all fragments to be detached and re-attached as needed.</p> 1844 <table class="responsive"> 1845 <tr><th colspan=2>Parameters</th></tr> 1846 <tr> 1847 <td><code>object</code></td> 1848 <td width="100%"> 1849 <code>Object</code>: 1850 Object representing an item, previously returned by a call to 1851 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#instantiateItem(android.view.ViewGroup, int, int)">instantiateItem(ViewGroup, int, int)</a></code>.</td> 1852 </tr> 1853 </table> 1854 <table class="responsive"> 1855 <tr><th colspan=2>Returns</th></tr> 1856 <tr> 1857 <td><code>Point</code></td> 1858 <td width="100%">object's new position with row from [0, getRowCount()] and column from [0, 1859 getColumnCount(row)], <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_UNCHANGED">POSITION_UNCHANGED</a></code> if the object's position has not 1860 changed, or <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#POSITION_NONE">POSITION_NONE</a></code> if the item is no longer present. 1861</td> 1862 </tr> 1863 </table> 1864 1865</div> 1866 1867 1868<A NAME="getOptionsForPage(int, int)"></A> 1869 1870<div class="api apilevel-"> 1871 <h3 class="api-name">getOptionsForPage</h3> 1872 <div class="api-level"> 1873 <div></div> 1874 1875 1876 1877 </div> 1878<pre class="api-signature no-pretty-print"> 1879int getOptionsForPage (int row, 1880 int column)</pre> 1881 1882 1883 1884 1885 <p>Provides a set of features to apply to a page background. The return value should be a 1886 combination of one or more of the following, combined via bitwise-or: 1887 <ul> 1888 <li> <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#OPTION_DISABLE_PARALLAX">OPTION_DISABLE_PARALLAX</a></code> 1889 </ul> 1890 The default return value is <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#PAGE_DEFAULT_OPTIONS">PAGE_DEFAULT_OPTIONS</a></code>.</p> 1891 <table class="responsive"> 1892 <tr><th colspan=2>Parameters</th></tr> 1893 <tr> 1894 <td><code>row</code></td> 1895 <td width="100%"> 1896 <code>int</code>: 1897 the row of the page</td> 1898 </tr> 1899 <tr> 1900 <td><code>column</code></td> 1901 <td width="100%"> 1902 <code>int</code>: 1903 the column of the page</td> 1904 </tr> 1905 </table> 1906 <table class="responsive"> 1907 <tr><th colspan=2>Returns</th></tr> 1908 <tr> 1909 <td><code>int</code></td> 1910 <td width="100%">a bitwise OR of all requested options 1911</td> 1912 </tr> 1913 </table> 1914 1915</div> 1916 1917 1918<A NAME="getRowCount()"></A> 1919 1920<div class="api apilevel-"> 1921 <h3 class="api-name">getRowCount</h3> 1922 <div class="api-level"> 1923 <div></div> 1924 1925 1926 1927 </div> 1928<pre class="api-signature no-pretty-print"> 1929int getRowCount ()</pre> 1930 1931 1932 1933 1934 <p>Returns the number of rows available. 1935</p> 1936 <table class="responsive"> 1937 <tr><th colspan=2>Returns</th></tr> 1938 <tr> 1939 <td><code>int</code></td> 1940 <td width="100%"><!-- no returns description in source --></td> 1941 </tr> 1942 </table> 1943 1944</div> 1945 1946 1947<A NAME="instantiateItem(android.view.ViewGroup, int, int)"></A> 1948 1949<div class="api apilevel-"> 1950 <h3 class="api-name">instantiateItem</h3> 1951 <div class="api-level"> 1952 <div></div> 1953 1954 1955 1956 </div> 1957<pre class="api-signature no-pretty-print"> 1958Object instantiateItem (ViewGroup container, 1959 int row, 1960 int column)</pre> 1961 1962 1963 1964 1965 <p>Creates the page for the given position. The adapter is responsible for adding the view to 1966 the container given here, although it only must ensure this is done by the time it returns 1967 from <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#finishUpdate(android.view.ViewGroup)">finishUpdate(ViewGroup)</a></code></p> 1968 <table class="responsive"> 1969 <tr><th colspan=2>Parameters</th></tr> 1970 <tr> 1971 <td><code>container</code></td> 1972 <td width="100%"> 1973 <code>ViewGroup</code>: 1974 containing View in which the page will be shown</td> 1975 </tr> 1976 <tr> 1977 <td><code>row</code></td> 1978 <td width="100%"> 1979 <code>int</code>: 1980 the row to be instantiated</td> 1981 </tr> 1982 <tr> 1983 <td><code>column</code></td> 1984 <td width="100%"> 1985 <code>int</code>: 1986 the column within the row to be instantiated</td> 1987 </tr> 1988 </table> 1989 <table class="responsive"> 1990 <tr><th colspan=2>Returns</th></tr> 1991 <tr> 1992 <td><code>Object</code></td> 1993 <td width="100%">a an object representing the new page 1994</td> 1995 </tr> 1996 </table> 1997 1998</div> 1999 2000 2001<A NAME="isViewFromObject(android.view.View, java.lang.Object)"></A> 2002 2003<div class="api apilevel-"> 2004 <h3 class="api-name">isViewFromObject</h3> 2005 <div class="api-level"> 2006 <div></div> 2007 2008 2009 2010 </div> 2011<pre class="api-signature no-pretty-print"> 2012boolean isViewFromObject (View view, 2013 Object object)</pre> 2014 2015 2016 2017 2018 <p>Determines whether a page View is associated with a specific key object as returned by 2019 <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#instantiateItem(android.view.ViewGroup, int, int)">instantiateItem(ViewGroup, int, int)</a></code>. This method is required for a PagerAdapter to 2020 function properly.</p> 2021 <table class="responsive"> 2022 <tr><th colspan=2>Parameters</th></tr> 2023 <tr> 2024 <td><code>view</code></td> 2025 <td width="100%"> 2026 <code>View</code>: 2027 Page View to check for association with <code>object</code></td> 2028 </tr> 2029 <tr> 2030 <td><code>object</code></td> 2031 <td width="100%"> 2032 <code>Object</code>: 2033 Object to check for association with <code>view</code></td> 2034 </tr> 2035 </table> 2036 <table class="responsive"> 2037 <tr><th colspan=2>Returns</th></tr> 2038 <tr> 2039 <td><code>boolean</code></td> 2040 <td width="100%">true if <code>view</code> is associated with the key object <code>object</code> 2041</td> 2042 </tr> 2043 </table> 2044 2045</div> 2046 2047 2048<A NAME="notifyDataSetChanged()"></A> 2049 2050<div class="api apilevel-"> 2051 <h3 class="api-name">notifyDataSetChanged</h3> 2052 <div class="api-level"> 2053 <div></div> 2054 2055 2056 2057 </div> 2058<pre class="api-signature no-pretty-print"> 2059void notifyDataSetChanged ()</pre> 2060 2061 2062 2063 2064 <p>This method should be called by the application if the data backing this adapter has changed 2065 and associated views should update. 2066</p> 2067 2068</div> 2069 2070 2071<A NAME="notifyPageBackgroundChanged(int, int)"></A> 2072 2073<div class="api apilevel-"> 2074 <h3 class="api-name">notifyPageBackgroundChanged</h3> 2075 <div class="api-level"> 2076 <div></div> 2077 2078 2079 2080 </div> 2081<pre class="api-signature no-pretty-print"> 2082void notifyPageBackgroundChanged (int row, 2083 int column)</pre> 2084 2085 2086 2087 2088 <p>This method should be called if the value returned by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForPage(int, int)">getBackgroundForPage(int, int)</a></code> 2089 or options returned by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getOptionsForPage(int, int)">getOptionsForPage(int, int)</a></code> change. Any cached value are 2090 removed and the the new value will be requested when necessary. 2091</p> 2092 <table class="responsive"> 2093 <tr><th colspan=2>Parameters</th></tr> 2094 <tr> 2095 <td><code>row</code></td> 2096 <td width="100%"> 2097 <code>int</code> 2098 <!-- no parameter comment --></td> 2099 </tr> 2100 <tr> 2101 <td><code>column</code></td> 2102 <td width="100%"> 2103 <code>int</code> 2104 <!-- no parameter comment --></td> 2105 </tr> 2106 </table> 2107 2108</div> 2109 2110 2111<A NAME="notifyRowBackgroundChanged(int)"></A> 2112 2113<div class="api apilevel-"> 2114 <h3 class="api-name">notifyRowBackgroundChanged</h3> 2115 <div class="api-level"> 2116 <div></div> 2117 2118 2119 2120 </div> 2121<pre class="api-signature no-pretty-print"> 2122void notifyRowBackgroundChanged (int row)</pre> 2123 2124 2125 2126 2127 <p>This method should be called if the value returned by <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getBackgroundForRow(int)">getBackgroundForRow(int)</a></code> 2128 changes. Any cached value is removed and the the new value will be requested when necessary. 2129</p> 2130 <table class="responsive"> 2131 <tr><th colspan=2>Parameters</th></tr> 2132 <tr> 2133 <td><code>row</code></td> 2134 <td width="100%"> 2135 <code>int</code> 2136 <!-- no parameter comment --></td> 2137 </tr> 2138 </table> 2139 2140</div> 2141 2142 2143<A NAME="registerDataSetObserver(android.database.DataSetObserver)"></A> 2144 2145<div class="api apilevel-"> 2146 <h3 class="api-name">registerDataSetObserver</h3> 2147 <div class="api-level"> 2148 <div></div> 2149 2150 2151 2152 </div> 2153<pre class="api-signature no-pretty-print"> 2154void registerDataSetObserver (DataSetObserver observer)</pre> 2155 2156 2157 2158 2159 <p>Register an observer to receive callbacks related to the adapter's data changing.</p> 2160 <table class="responsive"> 2161 <tr><th colspan=2>Parameters</th></tr> 2162 <tr> 2163 <td><code>observer</code></td> 2164 <td width="100%"> 2165 <code>DataSetObserver</code>: 2166 The <code><a href="/reference/android/database/DataSetObserver.html">DataSetObserver</a></code> which will receive callbacks. 2167</td> 2168 </tr> 2169 </table> 2170 2171</div> 2172 2173 2174<A NAME="restoreState(android.os.Parcelable, java.lang.ClassLoader)"></A> 2175 2176<div class="api apilevel-"> 2177 <h3 class="api-name">restoreState</h3> 2178 <div class="api-level"> 2179 <div></div> 2180 2181 2182 2183 </div> 2184<pre class="api-signature no-pretty-print"> 2185void restoreState (Parcelable savedState, 2186 ClassLoader classLoader)</pre> 2187 2188 2189 2190 2191 <p>Restores the previously saved state of this adapter. 2192</p> 2193 <table class="responsive"> 2194 <tr><th colspan=2>Parameters</th></tr> 2195 <tr> 2196 <td><code>savedState</code></td> 2197 <td width="100%"> 2198 <code>Parcelable</code> 2199 <!-- no parameter comment --></td> 2200 </tr> 2201 <tr> 2202 <td><code>classLoader</code></td> 2203 <td width="100%"> 2204 <code>ClassLoader</code> 2205 <!-- no parameter comment --></td> 2206 </tr> 2207 </table> 2208 2209</div> 2210 2211 2212<A NAME="saveState()"></A> 2213 2214<div class="api apilevel-"> 2215 <h3 class="api-name">saveState</h3> 2216 <div class="api-level"> 2217 <div></div> 2218 2219 2220 2221 </div> 2222<pre class="api-signature no-pretty-print"> 2223Parcelable saveState ()</pre> 2224 2225 2226 2227 2228 <p>Saves the current state of this adapter. 2229</p> 2230 <table class="responsive"> 2231 <tr><th colspan=2>Returns</th></tr> 2232 <tr> 2233 <td><code>Parcelable</code></td> 2234 <td width="100%"><!-- no returns description in source --></td> 2235 </tr> 2236 </table> 2237 2238</div> 2239 2240 2241<A NAME="setCurrentColumnForRow(int, int)"></A> 2242 2243<div class="api apilevel-"> 2244 <h3 class="api-name">setCurrentColumnForRow</h3> 2245 <div class="api-level"> 2246 <div></div> 2247 2248 2249 2250 </div> 2251<pre class="api-signature no-pretty-print"> 2252void setCurrentColumnForRow (int row, 2253 int currentColumn)</pre> 2254 2255 2256 2257 2258 <p>Called to inform the adapter of which column is now current for the given row. This 2259 information could be stored and used to implement <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getCurrentColumnForRow(int, int)">getCurrentColumnForRow(int, int)</a></code>. 2260 The default implementation does nothing.</p> 2261 <table class="responsive"> 2262 <tr><th colspan=2>Parameters</th></tr> 2263 <tr> 2264 <td><code>row</code></td> 2265 <td width="100%"> 2266 <code>int</code>: 2267 the row for the column change</td> 2268 </tr> 2269 <tr> 2270 <td><code>currentColumn</code></td> 2271 <td width="100%"> 2272 <code>int</code>: 2273 the column which is now current 2274</td> 2275 </tr> 2276 </table> 2277 2278</div> 2279 2280 2281<A NAME="startUpdate(android.view.ViewGroup)"></A> 2282 2283<div class="api apilevel-"> 2284 <h3 class="api-name">startUpdate</h3> 2285 <div class="api-level"> 2286 <div></div> 2287 2288 2289 2290 </div> 2291<pre class="api-signature no-pretty-print"> 2292void startUpdate (ViewGroup container)</pre> 2293 2294 2295 2296 2297 <p>Called when a change in the shown pages is going to start being made.</p> 2298 <table class="responsive"> 2299 <tr><th colspan=2>Parameters</th></tr> 2300 <tr> 2301 <td><code>container</code></td> 2302 <td width="100%"> 2303 <code>ViewGroup</code>: 2304 The containing View which is displaying this adapter's page views. 2305</td> 2306 </tr> 2307 </table> 2308 2309</div> 2310 2311 2312<A NAME="unregisterDataSetObserver(android.database.DataSetObserver)"></A> 2313 2314<div class="api apilevel-"> 2315 <h3 class="api-name">unregisterDataSetObserver</h3> 2316 <div class="api-level"> 2317 <div></div> 2318 2319 2320 2321 </div> 2322<pre class="api-signature no-pretty-print"> 2323void unregisterDataSetObserver (DataSetObserver observer)</pre> 2324 2325 2326 2327 2328 <p>Unregister an observer from callbacks related to the adapter's data changing.</p> 2329 <table class="responsive"> 2330 <tr><th colspan=2>Parameters</th></tr> 2331 <tr> 2332 <td><code>observer</code></td> 2333 <td width="100%"> 2334 <code>DataSetObserver</code>: 2335 The <code><a href="/reference/android/database/DataSetObserver.html">DataSetObserver</a></code> which will be unregistered. 2336</td> 2337 </tr> 2338 </table> 2339 2340</div> 2341 2342 2343 2344 2345 2346<!-- ========= METHOD DETAIL ======== --> 2347 2348<h2 class="api-section">Protected methods</h2> 2349 2350 2351 2352<A NAME="applyItemPosition(java.lang.Object, android.graphics.Point)"></A> 2353 2354<div class="api apilevel-"> 2355 <h3 class="api-name">applyItemPosition</h3> 2356 <div class="api-level"> 2357 <div></div> 2358 2359 2360 2361 </div> 2362<pre class="api-signature no-pretty-print"> 2363void applyItemPosition (Object object, 2364 Point position)</pre> 2365 2366 2367 2368 2369 <p>Called after <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition(Object)</a></code> to allow superclasses to update their 2370 internal bookkeeping if a subclass has overridden <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition(Object)</a></code>.</p> 2371 <table class="responsive"> 2372 <tr><th colspan=2>Parameters</th></tr> 2373 <tr> 2374 <td><code>object</code></td> 2375 <td width="100%"> 2376 <code>Object</code>: 2377 Object representing the item passed to <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition(Object)</a></code>.</td> 2378 </tr> 2379 <tr> 2380 <td><code>position</code></td> 2381 <td width="100%"> 2382 <code>Point</code>: 2383 position which was returned from <code><a href="/reference/android/support/wearable/view/GridPagerAdapter.html#getItemPosition(java.lang.Object)">getItemPosition(Object)</a></code>. 2384</td> 2385 </tr> 2386 </table> 2387 2388</div> 2389 2390 2391 2392 2393 2394<!-- ========= END OF CLASS DATA ========= --> 2395 2396</div><!-- end jd-content --> 2397 2398 2399 2400<div class="data-reference-resources-wrapper"> 2401 2402 <ul data-reference-resources> 2403 2404 2405 <li><h2>Interfaces</h2> 2406 <ul> 2407 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/ActionChooserView.ActionChooserListener.html">ActionChooserView.ActionChooserListener</a></li> 2408 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/DelayedConfirmationView.DelayedConfirmationListener.html">DelayedConfirmationView.DelayedConfirmationListener</a></li> 2409 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/GridPageOptions.html">GridPageOptions</a></li> 2410 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/GridPageOptions.BackgroundListener.html">GridPageOptions.BackgroundListener</a></li> 2411 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/GridViewPager.OnAdapterChangeListener.html">GridViewPager.OnAdapterChangeListener</a></li> 2412 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/GridViewPager.OnPageChangeListener.html">GridViewPager.OnPageChangeListener</a></li> 2413 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WatchViewStub.OnLayoutInflatedListener.html">WatchViewStub.OnLayoutInflatedListener</a></li> 2414 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.ClickListener.html">WearableListView.ClickListener</a></li> 2415 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.OnCenterProximityListener.html">WearableListView.OnCenterProximityListener</a></li> 2416 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.OnCentralPositionChangedListener.html">WearableListView.OnCentralPositionChangedListener</a></li> 2417 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.OnScrollListener.html">WearableListView.OnScrollListener</a></li> 2418 </ul> 2419 </li> 2420 2421 <li><h2>Classes</h2> 2422 <ul> 2423 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/ActionChooserView.html">ActionChooserView</a></li> 2424 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/ActionLabel.html">ActionLabel</a></li> 2425 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/ActionPage.html">ActionPage</a></li> 2426 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/BoxInsetLayout.html">BoxInsetLayout</a></li> 2427 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/BoxInsetLayout.LayoutParams.html">BoxInsetLayout.LayoutParams</a></li> 2428 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/CardFragment.html">CardFragment</a></li> 2429 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/CardFrame.html">CardFrame</a></li> 2430 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/CardScrollView.html">CardScrollView</a></li> 2431 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/CircledImageView.html">CircledImageView</a></li> 2432 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/CircularButton.html">CircularButton</a></li> 2433 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/CrossfadeDrawable.html">CrossfadeDrawable</a></li> 2434 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/DelayedConfirmationView.html">DelayedConfirmationView</a></li> 2435 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/DismissOverlayView.html">DismissOverlayView</a></li> 2436 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/DotsPageIndicator.html">DotsPageIndicator</a></li> 2437 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/FragmentGridPagerAdapter.html">FragmentGridPagerAdapter</a></li> 2438 <li class="selected api apilevel-"><a href="/reference/android/support/wearable/view/GridPagerAdapter.html">GridPagerAdapter</a></li> 2439 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/GridViewPager.html">GridViewPager</a></li> 2440 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/GridViewPager.LayoutParams.html">GridViewPager.LayoutParams</a></li> 2441 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/ProgressSpinner.html">ProgressSpinner</a></li> 2442 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/SimpleAnimatorListener.html">SimpleAnimatorListener</a></li> 2443 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WatchViewStub.html">WatchViewStub</a></li> 2444 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableFrameLayout.html">WearableFrameLayout</a></li> 2445 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableFrameLayout.LayoutParams.html">WearableFrameLayout.LayoutParams</a></li> 2446 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.html">WearableListView</a></li> 2447 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.Adapter.html">WearableListView.Adapter</a></li> 2448 <li class="api apilevel-"><a href="/reference/android/support/wearable/view/WearableListView.ViewHolder.html">WearableListView.ViewHolder</a></li> 2449 </ul> 2450 </li> 2451 2452 2453 2454 </ul> 2455 2456</div> 2457 2458 2459 2460</body> 2461</html> 2462
