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package android.app;
/**
* API for performing a set of Fragment operations.
*/
public interface FragmentTransaction {
/**
* Calls {@link #add(int, Fragment, String)} with a 0 containerViewId.
*/
public FragmentTransaction add(Fragment fragment, String tag);
/**
* Calls {@link #add(int, Fragment, String)} with a null tag.
*/
public FragmentTransaction add(int containerViewId, Fragment fragment);
/**
* Add a fragment to the activity state. This fragment may optionally
* also have its view (if {@link Fragment#onCreateView Fragment.onCreateView}
* returns non-null) into a container view of the activity.
*
* @param containerViewId Optional identifier of the container this fragment is
* to be placed in. If 0, it will not be placed in a container.
* @param fragment The fragment to be added. This fragment must not already
* be added to the activity.
* @param tag Optional tag name for the fragment, to later retrieve the
* fragment with {@link Activity#findFragmentByTag(String)
* Activity.findFragmentByTag(String)}.
*
* @return Returns the same FragmentTransaction instance.
*/
public FragmentTransaction add(int containerViewId, Fragment fragment, String tag);
/**
* Calls {@link #replace(int, Fragment, String)} with a null tag.
*/
public FragmentTransaction replace(int containerViewId, Fragment fragment);
/**
* Replace an existing fragment that was added to a container. This is
* essentially the same as calling {@link #remove(Fragment)} for all
* currently added fragments that were added with the same containerViewId
* and then {@link #add(int, Fragment, String)} with the same arguments
* given here.
*
* @param containerViewId Identifier of the container whose fragment(s) are
* to be replaced.
* @param fragment The new fragment to place in the container.
* @param tag Optional tag name for the fragment, to later retrieve the
* fragment with {@link Activity#findFragmentByTag(String)
* Activity.findFragmentByTag(String)}.
*
* @return Returns the same FragmentTransaction instance.
*/
public FragmentTransaction replace(int containerViewId, Fragment fragment, String tag);
/**
* Remove an existing fragment. If it was added to a container, its view
* is also removed from that container.
*
* @param fragment The fragment to be removed.
*
* @return Returns the same FragmentTransaction instance.
*/
public FragmentTransaction remove(Fragment fragment);
/**
* Hides an existing fragment. This is only relevant for fragments whose
* views have been added to a container, as this will cause the view to
* be hidden.
*
* @param fragment The fragment to be hidden.
*
* @return Returns the same FragmentTransaction instance.
*/
public FragmentTransaction hide(Fragment fragment);
/**
* Hides a previously hidden fragment. This is only relevant for fragments whose
* views have been added to a container, as this will cause the view to
* be shown.
*
* @param fragment The fragment to be shown.
*
* @return Returns the same FragmentTransaction instance.
*/
public FragmentTransaction show(Fragment fragment);
/**
* Bit mask that is set for all enter transitions.
*/
public final int TRANSIT_ENTER_MASK = 0x1000;
/**
* Bit mask that is set for all exit transitions.
*/
public final int TRANSIT_EXIT_MASK = 0x2000;
/** Not set up for a transition. */
public final int TRANSIT_UNSET = -1;
/** No animation for transition. */
public final int TRANSIT_NONE = 0;
/** Window has been added to the screen. */
public final int TRANSIT_ENTER = 1 | TRANSIT_ENTER_MASK;
/** Window has been removed from the screen. */
public final int TRANSIT_EXIT = 2 | TRANSIT_EXIT_MASK;
/** Window has been made visible. */
public final int TRANSIT_SHOW = 3 | TRANSIT_ENTER_MASK;
/** Window has been made invisible. */
public final int TRANSIT_HIDE = 4 | TRANSIT_EXIT_MASK;
/** The "application starting" preview window is no longer needed, and will
* animate away to show the real window. */
public final int TRANSIT_PREVIEW_DONE = 5;
/** A window in a new activity is being opened on top of an existing one
* in the same task. */
public final int TRANSIT_ACTIVITY_OPEN = 6 | TRANSIT_ENTER_MASK;
/** The window in the top-most activity is being closed to reveal the
* previous activity in the same task. */
public final int TRANSIT_ACTIVITY_CLOSE = 7 | TRANSIT_EXIT_MASK;
/** A window in a new task is being opened on top of an existing one
* in another activity's task. */
public final int TRANSIT_TASK_OPEN = 8 | TRANSIT_ENTER_MASK;
/** A window in the top-most activity is being closed to reveal the
* previous activity in a different task. */
public final int TRANSIT_TASK_CLOSE = 9 | TRANSIT_EXIT_MASK;
/** A window in an existing task is being displayed on top of an existing one
* in another activity's task. */
public final int TRANSIT_TASK_TO_FRONT = 10 | TRANSIT_ENTER_MASK;
/** A window in an existing task is being put below all other tasks. */
public final int TRANSIT_TASK_TO_BACK = 11 | TRANSIT_EXIT_MASK;
/** A window in a new activity that doesn't have a wallpaper is being
* opened on top of one that does, effectively closing the wallpaper. */
public final int TRANSIT_WALLPAPER_CLOSE = 12 | TRANSIT_EXIT_MASK;
/** A window in a new activity that does have a wallpaper is being
* opened on one that didn't, effectively opening the wallpaper. */
public final int TRANSIT_WALLPAPER_OPEN = 13 | TRANSIT_ENTER_MASK;
/** A window in a new activity is being opened on top of an existing one,
* and both are on top of the wallpaper. */
public final int TRANSIT_WALLPAPER_INTRA_OPEN = 14 | TRANSIT_ENTER_MASK;
/** The window in the top-most activity is being closed to reveal the
* previous activity, and both are on top of he wallpaper. */
public final int TRANSIT_WALLPAPER_INTRA_CLOSE = 15 | TRANSIT_EXIT_MASK;
public FragmentTransaction setCustomAnimations(int enter, int exit);
public FragmentTransaction setTransition(int transit);
public FragmentTransaction setTransitionStyle(int styleRes);
public FragmentTransaction addToBackStack(String name);
/**
* Schedules a commit of this transaction. Note that the commit does
* not happen immediately; it will be scheduled as work on the main thread
* to be done the next time that thread is ready.
*
* @return Returns the identifier of this transaction's back stack entry,
* if {@link #addToBackStack(String)} had been called. Otherwise, returns
* a negative number.
*/
public int commit();
}
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