Tab Fragment Tutorial - Classes - TabDefinition.java

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DATE: Nov. 18, 2013, 5:30 a.m.

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  1. /**
  2. * Blog Post:
  3. * http://devleader.ca/2013/11/04/fragments-tabbed-android-user-interface
  4. *
  5. * Layouts:
  6. * activity_main.xml: http://pastebin.com/kj8M38Ze
  7. * fragment_tabs.xml: http://pastebin.com/0b7HAeAK
  8. * simple_tab.xml: http://pastebin.com/9SqLbS0X
  9. *
  10. * Classes:
  11. * MainActivity.java: http://pastebin.com/eBv3H775
  12. * SimpleTabDefinition.java: http://pastebin.com/wW3WCcy9
  13. * TabDefinition.java: http://pastebin.com/KSRV2f3U
  14. * TabsFragment.java: http://pastebin.com/9Asv7AVH
  15. */
  16. package com.devleader.tab_fragment_tutorial;
  18. import java.util.UUID;
  20. import android.support.v4.app.Fragment;
  21. import android.view.LayoutInflater;
  22. import android.view.View;
  23. import android.view.ViewGroup;
  25. /**
  26. * A class that defines a UI tab.
  27. */
  28. public abstract class TabDefinition {
  29. //
  30. // Fields
  31. //
  32. private final int _tabContentViewId;
  33. private final String _tabUuid;
  35. //
  36. // Constructors
  37. //
  38. /**
  39. * The constructor for {@link TabDefinition}.
  40. * @param tabContentViewId The layout ID of the contents to use when the tab is active.
  41. */
  42. public TabDefinition(int tabContentViewId) {
  43. _tabContentViewId = tabContentViewId;
  44. _tabUuid = UUID.randomUUID().toString();
  45. }
  47. //
  48. // Exposed Members
  49. //
  50. /**
  51. * Gets the ID of the tab's content {@link View}.
  52. * @return The ID of the tab's content {@link View}.
  53. */
  54. public int getTabContentViewId() {
  55. return _tabContentViewId;
  56. }
  58. /**
  59. * Gets the unique identifier for the tab.
  60. * @return The unique identifier for the tab.
  61. */
  62. public String getId() {
  63. return _tabUuid;
  64. }
  66. /**
  67. * Gets the {@link Fragment} to use for the tab.
  68. * @return The {@link Fragment} to use for the tab.
  69. */
  70. public abstract Fragment getFragment();
  72. /**
  73. * Called when creating the {@link View} for the tab control.
  74. * @param inflater The {@link LayoutInflater} used to create {@link View}s.
  75. * @param tabsView The {@link View} that holds the tab {@link View}s.
  76. * @return The tab {@link View} that will be placed into the tabs {@link ViewGroup}.
  77. */
  78. public abstract View createTabView(LayoutInflater inflater, ViewGroup tabsView);
  79. }
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