+++ /dev/null
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.support.v2.app;
-
-/**
- * Static library support version of the framework's {@link android.app.FragmentTransaction}.
- * Used to write apps that run on platforms prior to Android 3.0. When running
- * on Android 3.0 or above, this implementation is still used; it does not try
- * to switch to the framework's implementation. See the framework SDK
- * documentation for a class overview.
- */
-public abstract class FragmentTransaction {
- /**
- * Calls {@link #add(int, Fragment, String)} with a 0 containerViewId.
- */
- public abstract FragmentTransaction add(Fragment fragment, String tag);
-
- /**
- * Calls {@link #add(int, Fragment, String)} with a null tag.
- */
- public abstract 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 FragmentManager#findFragmentByTag(String)
- * FragmentManager.findFragmentByTag(String)}.
- *
- * @return Returns the same FragmentTransaction instance.
- */
- public abstract FragmentTransaction add(int containerViewId, Fragment fragment, String tag);
-
- /**
- * Calls {@link #replace(int, Fragment, String)} with a null tag.
- */
- public abstract 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 FragmentManager#findFragmentByTag(String)
- * FragmentManager.findFragmentByTag(String)}.
- *
- * @return Returns the same FragmentTransaction instance.
- */
- public abstract 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 abstract 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 abstract FragmentTransaction hide(Fragment fragment);
-
- /**
- * Shows 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 abstract FragmentTransaction show(Fragment fragment);
-
- /**
- * @return <code>true</code> if this transaction contains no operations,
- * <code>false</code> otherwise.
- */
- public abstract boolean isEmpty();
-
- /**
- * Bit mask that is set for all enter transitions.
- */
- public static final int TRANSIT_ENTER_MASK = 0x1000;
-
- /**
- * Bit mask that is set for all exit transitions.
- */
- public static final int TRANSIT_EXIT_MASK = 0x2000;
-
- /** Not set up for a transition. */
- public static final int TRANSIT_UNSET = -1;
- /** No animation for transition. */
- public static final int TRANSIT_NONE = 0;
- /** Fragment is being added onto the stack */
- public static final int TRANSIT_FRAGMENT_OPEN = 1 | TRANSIT_ENTER_MASK;
- /** Fragment is being removed from the stack */
- public static final int TRANSIT_FRAGMENT_CLOSE = 2 | TRANSIT_EXIT_MASK;
- /** Fragment should simply fade in or out; that is, no strong navigation associated
- * with it except that it is appearing or disappearing for some reason. */
- public static final int TRANSIT_FRAGMENT_FADE = 3 | TRANSIT_ENTER_MASK;
-
- /**
- * Set specific animation resources to run for the fragments that are
- * entering and exiting in this transaction.
- */
- public abstract FragmentTransaction setCustomAnimations(int enter, int exit);
-
- /**
- * Select a standard transition animation for this transaction. May be
- * one of {@link #TRANSIT_NONE}, {@link #TRANSIT_FRAGMENT_OPEN},
- * or {@link #TRANSIT_FRAGMENT_CLOSE}
- */
- public abstract FragmentTransaction setTransition(int transit);
-
- /**
- * Set a custom style resource that will be used for resolving transit
- * animations.
- */
- public abstract FragmentTransaction setTransitionStyle(int styleRes);
-
- /**
- * Add this transaction to the back stack. This means that the transaction
- * will be remembered after it is committed, and will reverse its operation
- * when later popped off the stack.
- *
- * @param name An optional name for this back stack state, or null.
- */
- public abstract FragmentTransaction addToBackStack(String name);
-
- /**
- * Returns true if this FragmentTransaction is allowed to be added to the back
- * stack. If this method would return false, {@link #addToBackStack(String)}
- * will throw {@link IllegalStateException}.
- *
- * @return True if {@link #addToBackStack(String)} is permitted on this transaction.
- */
- public abstract boolean isAddToBackStackAllowed();
-
- /**
- * Disallow calls to {@link #addToBackStack(String)}. Any future calls to
- * addToBackStack will throw {@link IllegalStateException}. If addToBackStack
- * has already been called, this method will throw IllegalStateException.
- */
- public abstract FragmentTransaction disallowAddToBackStack();
-
- /**
- * Set the full title to show as a bread crumb when this transaction
- * is on the back stack, as used by {@link FragmentBreadCrumbs}.
- *
- * @param res A string resource containing the title.
- */
- public abstract FragmentTransaction setBreadCrumbTitle(int res);
-
- /**
- * Like {@link #setBreadCrumbTitle(int)} but taking a raw string; this
- * method is <em>not</em> recommended, as the string can not be changed
- * later if the locale changes.
- */
- public abstract FragmentTransaction setBreadCrumbTitle(CharSequence text);
-
- /**
- * Set the short title to show as a bread crumb when this transaction
- * is on the back stack, as used by {@link FragmentBreadCrumbs}.
- *
- * @param res A string resource containing the title.
- */
- public abstract FragmentTransaction setBreadCrumbShortTitle(int res);
-
- /**
- * Like {@link #setBreadCrumbShortTitle(int)} but taking a raw string; this
- * method is <em>not</em> recommended, as the string can not be changed
- * later if the locale changes.
- */
- public abstract FragmentTransaction setBreadCrumbShortTitle(CharSequence text);
-
- /**
- * Schedules a commit of this transaction. 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.
- *
- * <p class="note">A transaction can only be committed with this method
- * prior to its containing activity saving its state. If the commit is
- * attempted after that point, an exception will be thrown. This is
- * because the state after the commit can be lost if the activity needs to
- * be restored from its state. See {@link #commitAllowingStateLoss()} for
- * situations where it may be okay to lose the commit.</p>
- *
- * @return Returns the identifier of this transaction's back stack entry,
- * if {@link #addToBackStack(String)} had been called. Otherwise, returns
- * a negative number.
- */
- public abstract int commit();
-
- /**
- * Like {@link #commit} but allows the commit to be executed after an
- * activity's state is saved. This is dangerous because the commit can
- * be lost if the activity needs to later be restored from its state, so
- * this should only be used for cases where it is okay for the UI state
- * to change unexpectedly on the user.
- */
- public abstract int commitAllowingStateLoss();
-}
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