import android.support.transition.Fade; //导入依赖的package包/类
public void transitionToSearch(){
    if (transitioning) {
        return;
    }
    if (supportsTransitions()) {

        Transition transition = FadeOutTransition.withAction(navigateToSearchWhenDone());
        TransitionManager.beginDelayedTransition(searchView, transition);
        expandToolbar();
        ViewFader.hideContentOf(searchView);
        TransitionManager.beginDelayedTransition(activityContent, new Fade(Fade.OUT));
        activityContent.setVisibility(View.GONE);
    } else {
        TRouter.go(Constants.SEARCH);
    }
}
 

import android.support.transition.Fade; //导入依赖的package包/类
@Test
public void applyStaggeredTransitionParams_setsPassedViewId_asTarget() {
    //given
    StaggeredAnimationGroup spiedGroup = prepareSpiedGroup();
    Transition testTransition = new Fade(); //exemplary value
    int testIndexInStaggeredTransition = 0; //exemplary value
    int viewId = 12345; //exemplary value

    //when
    Transition resultTransition = spiedGroup.applyStaggeredTransitionParams(testTransition, viewId, testIndexInStaggeredTransition);

    //then
    List<Integer> targetIds = resultTransition.getTargetIds();
    assertThat(targetIds).hasSize(1);
    assertThat(targetIds.get(0)).isEqualTo(viewId);
}
 

import android.support.transition.Fade; //导入依赖的package包/类
@Override
protected void onResume() {
    super.onResume();
    if (mTextView == null)
        return;

    mTextView.postDelayed(new Runnable() {
        @Override
        public void run() {
            if (mTextView != null) {
                TransitionSet transition = (TransitionSet) new TransitionSet().addTransition(new Fade(Fade.OUT)).addTransition(new ChangeBounds()).addTransition(new Fade(Fade.IN)).setDuration(1000);
                TransitionManager.beginDelayedTransition(logoContainer, transition);
                mTextView.setVisibility(View.VISIBLE);
            }
        }
    }, 1000);
}
 

import android.support.transition.Fade; //导入依赖的package包/类
public static void hideWithFadeView(boolean on, ViewGroup rootView, View view) {
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        Fade fade = new Fade();
        fade.setDuration(500);

        ChangeBounds changeBounds = new ChangeBounds();
        changeBounds.setDuration(500);

        TransitionSet transitionSet = new TransitionSet();
        transitionSet.addTransition(fade);
        transitionSet.addTransition(changeBounds);
        transitionSet.setOrdering(TransitionSet.ORDERING_TOGETHER);
        TransitionManager.beginDelayedTransition(rootView, transitionSet);
    }
    view.setVisibility(on ? View.GONE : View.VISIBLE);
}
 

import android.support.transition.Fade; //导入依赖的package包/类
private void goneSlidingTabs(boolean on) {
    if (!isInvisible) {
        Fade fade = new Fade();
        fade.setDuration(500);

        ChangeBounds changeBounds = new ChangeBounds();
        changeBounds.setDuration(500);

        TransitionSet transitionSet = new TransitionSet();
        transitionSet.addTransition(fade);
        transitionSet.addTransition(changeBounds);
        transitionSet.setOrdering(TransitionSet.ORDERING_TOGETHER);

        TransitionManager.beginDelayedTransition(getBinding().root, transitionSet);
        getBinding().slidingTabs.setVisibility(on ? View.GONE : View.VISIBLE);
    }
}
 

import android.support.transition.Fade; //导入依赖的package包/类
public static void animateForViewGroupTransition(ViewGroup viewGroup) {
    ChangeBounds changeBounds = new ChangeBounds();
    Fade fadeOut = new Fade(Fade.OUT);
    Fade fadeIn = new Fade(Fade.IN);
    TransitionSet transition = new TransitionSet();
    transition.setOrdering(TransitionSet.ORDERING_TOGETHER);
    transition.addTransition(fadeOut)
            .addTransition(changeBounds)
            .addTransition(fadeIn);

    TransitionManager.beginDelayedTransition(viewGroup);
}
 

import android.support.transition.Fade; //导入依赖的package包/类
public void onActivityResumed() {
    if (supportsTransitions()) {
        TransitionManager.beginDelayedTransition(searchView, FadeInTransition.createTransition());
        FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) searchView.getLayoutParams();
        layoutParams.setMargins(toolbarMargin, toolbarMargin, toolbarMargin, toolbarMargin);
        searchView.setLayoutParams(layoutParams);
        ViewFader.showContent(searchView);
        TransitionManager.beginDelayedTransition(activityContent, new Fade(Fade.IN));
        activityContent.setVisibility(View.VISIBLE);
    }
}
 

import android.support.transition.Fade; //导入依赖的package包/类
@NonNull
@Override
public Transition createPartialTransition(boolean isShowing,
                                          int viewId,
                                          int indexInTransition) {
    return new Fade();
}
 

import android.support.transition.Fade; //导入依赖的package包/类
public void applyStaggeredTransitionParams_setsDelay(int indexInStaggeredTransition, int expectedDelay) {
    //given
    StaggeredAnimationGroup spiedGroup = prepareSpiedGroup();
    Transition testTransition = new Fade(); //exemplary value
    int testViewId = 0; //exemplary value

    //when
    Transition resultTransition = spiedGroup.applyStaggeredTransitionParams(testTransition, testViewId, indexInStaggeredTransition);

    //then
    assertThat(resultTransition.getStartDelay()).isEqualTo(expectedDelay);
}
 

import android.support.transition.Fade; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_transition);

    radioGroup.setOnCheckedChangeListener(this);


    // A Scene can be instantiated from a live view hierarchy.
    mScene1 = new Scene(sceneRoot, sceneRoot.findViewById(R.id.container));

    // You can also inflate a generate a Scene from a layout resource file.
    mScene2 = Scene.getSceneForLayout(sceneRoot, R.layout.scene2, this);


    // Another scene from a layout resource file.
    mScene3 = Scene.getSceneForLayout(sceneRoot, R.layout.scene3, this);


    // We create a custom TransitionManager for Scene 3, in which ChangeBounds and Fade
    // take place at the same time.

    /* Same as:

    mTransitionManagerForScene3 = TransitionInflater.from(this)
            .inflateTransitionManager(R.transition.scene3_transition_manager, sceneRoot);

    + in transition/scene3_transition_manager.xml

            <transitionManager xmlns:android="http://schemas.android.com/apk/res/android">
                <transition
                    android:toScene="@layout/scene3"
                    android:transition="@transition/changebounds_fadein_together"/>
            </transitionManager>

    + in transition/changebounds_fadein_together.xml

    <transitionSet xmlns:android="http://schemas.android.com/apk/res/android">
        <changeBounds/>
        <fade android:fadingMode="fade_in">
            <targets>
                <target android:targetId="@id/transition_title" />
            </targets>
        </fade>
    </transitionSet>
    */

    TransitionSet scene3Transitions = new TransitionSet();
    scene3Transitions
            .addTransition(new ChangeBounds())
            .addTransition(new Fade(Fade.IN).addTarget(R.id.transition_title));
    mTransitionManagerForScene3 = new TransitionManager();
    mTransitionManagerForScene3.setTransition(mScene3, scene3Transitions);
}