Java Code Examples for android.transition.Transition#addListener()

public HideWindowListener(Window window, ExitTransitionCoordinator exit) {
    mWindow = window;
    mExit = exit;
    mSharedElements = new ArrayList<>(exit.mSharedElements);
    Transition transition = mWindow.getExitTransition();
    if (transition != null) {
        transition.addListener(this);
        mWaitingForTransition = true;
    } else {
        mWaitingForTransition = false;
    }
    View decorView = mWindow.getDecorView();
    if (decorView != null) {
        if (decorView.getTag(com.android.internal.R.id.cross_task_transition) != null) {
            throw new IllegalStateException(
                    "Cannot start a transition while one is running");
        }
        decorView.setTagInternal(com.android.internal.R.id.cross_task_transition, exit);
    }
}
 

private Transition getSharedElementExitTransition() {
    Transition sharedElementTransition = null;
    if (!mSharedElements.isEmpty()) {
        sharedElementTransition = configureTransition(getSharedElementTransition(), false);
    }
    if (sharedElementTransition == null) {
        sharedElementTransitionComplete();
    } else {
        sharedElementTransition.addListener(new ContinueTransitionListener() {
            @Override
            public void onTransitionEnd(Transition transition) {
                sharedElementTransitionComplete();
                if (mIsHidden) {
                    showViews(mSharedElements, true);
                }
                super.onTransitionEnd(transition);
            }
        });
        mSharedElements.get(0).invalidate();
    }
    return sharedElementTransition;
}
 

/**
 * Replace hide operations with visibility changes on the exiting views. Instead of making
 * the entire fragment's view GONE, make each exiting view INVISIBLE. At the end of the
 * transition, make the fragment's view GONE.
 */
private static void replaceHide(Transition exitTransition, Fragment exitingFragment,
        final ArrayList<View> exitingViews) {
    if (exitingFragment != null && exitTransition != null && exitingFragment.mAdded
            && exitingFragment.mHidden && exitingFragment.mHiddenChanged) {
        exitingFragment.setHideReplaced(true);
        final View fragmentView = exitingFragment.getView();
        OneShotPreDrawListener.add(exitingFragment.mContainer, () -> {
            setViewVisibility(exitingViews, View.INVISIBLE);
        });
        exitTransition.addListener(new TransitionListenerAdapter() {
            @Override
            public void onTransitionEnd(Transition transition) {
                transition.removeListener(this);
                fragmentView.setVisibility(View.GONE);
                setViewVisibility(exitingViews, View.VISIBLE);
            }
        });
    }
}
 

/**
 * After the transition has started, remove all targets that we added to the transitions
 * so that the transitions are left in a clean state.
 */
private static void scheduleRemoveTargets(final Transition overalTransition,
        final Transition enterTransition, final ArrayList<View> enteringViews,
        final Transition exitTransition, final ArrayList<View> exitingViews,
        final TransitionSet sharedElementTransition, final ArrayList<View> sharedElementsIn) {
    overalTransition.addListener(new TransitionListenerAdapter() {
        @Override
        public void onTransitionStart(Transition transition) {
            if (enterTransition != null) {
                replaceTargets(enterTransition, enteringViews, null);
            }
            if (exitTransition != null) {
                replaceTargets(exitTransition, exitingViews, null);
            }
            if (sharedElementTransition != null) {
                replaceTargets(sharedElementTransition, sharedElementsIn, null);
            }
        }
    });
}
 

private Transition getExitTransition() {
    Transition viewsTransition = null;
    if (mTransitioningViews != null && !mTransitioningViews.isEmpty()) {
        viewsTransition = configureTransition(getViewsTransition(), true);
        removeExcludedViews(viewsTransition, mTransitioningViews);
        if (mTransitioningViews.isEmpty()) {
            viewsTransition = null;
        }
    }
    if (viewsTransition == null) {
        viewsTransitionComplete();
    } else {
        final ArrayList<View> transitioningViews = mTransitioningViews;
        viewsTransition.addListener(new ContinueTransitionListener() {
            @Override
            public void onTransitionEnd(Transition transition) {
                viewsTransitionComplete();
                if (mIsHidden && transitioningViews != null) {
                    showViews(transitioningViews, true);
                    setTransitioningViewsVisiblity(View.VISIBLE, true);
                }
                if (mSharedElementBundle != null) {
                    delayCancel();
                }
                super.onTransitionEnd(transition);
            }
        });
    }
    return viewsTransition;
}
 

static void addEnterTransitionListener(@NonNull final QueueActivity activity) {
    final Transition enter = activity.getWindow().getSharedElementEnterTransition();
    if (enter != null) {
        enter.addListener(new TransitionListenerAdapter() {
            @Override
            public void onTransitionEnd(final Transition transition) {
                activity.onEnterTransitionFinished();
            }
        });
    }
}
 

@Override public void beginDelayedTransition(ViewGroup sceneRoot, Object transition) {
    if (transition instanceof Transition) {
        Transition trans = (Transition) transition;
        trans.addListener(AcceleratedTransitionListener.get());
        TransitionManager.beginDelayedTransition(sceneRoot, trans);
    }
}
 

@Override public void beginDelayedTransition(ViewGroup sceneRoot, Object transition) {
    if (transition instanceof Transition) {
        Transition trans = (Transition) transition;
        trans.addListener(AcceleratedTransitionListener.get());
        TransitionManager.beginDelayedTransition(sceneRoot, trans);
    }
}
 

public static void listen(String name, Object transition) {
	if (transition != null) {
		Transition t = (Transition)transition;
		t.addListener(new LoggingTransitionListener(name));
	}
}