android.support.v4.app.Fragment#setEnterTransition ( )源码实例Demo

private void switchToPreview(Uri uri) {
    Fragment fragment = FragmentPreview.instance(uri);

    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        int duration = getResources().getInteger(android.R.integer.config_mediumAnimTime);

        Slide slideTransition = new Slide(Gravity.LEFT);
        slideTransition.setDuration(duration);
        setExitTransition(slideTransition);

        Slide slideTransition2 = new Slide(Gravity.RIGHT);
        slideTransition2.setDuration(duration);
        fragment.setEnterTransition(slideTransition2);

        TransitionInflater inflater = TransitionInflater.from(getContext());
        Transition transition = inflater.inflateTransition(R.transition.transition_default);
        fragment.setSharedElementEnterTransition(transition);
    }

    getFragmentManager()
            .beginTransaction()
            .replace(R.id.frg_docker, fragment)
            .addSharedElement(mBtnFindWrapper, ViewCompat.getTransitionName(mBtnFindWrapper))
            .addToBackStack("select")
            .commitAllowingStateLoss();
}
 

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void setupFragmentForSharedElement(
        Fragment outFragment, Fragment inFragment, FragmentTransaction transaction, Bundle options) {
  FragmentSharedElementTransition transition = new FragmentSharedElementTransition();
  inFragment.setSharedElementEnterTransition(transition);
  inFragment.setSharedElementReturnTransition(transition);
  Fade fade = new Fade();
  inFragment.setEnterTransition(fade);
  inFragment.setReturnTransition(fade);
  ViewGroup rootView = (ViewGroup) outFragment.getView();
  ViewGroup transitionGroup = ViewUtils.findViewGroupWithTag(
          rootView,
          R.id.react_shared_element_group_id,
          options.getString(TRANSITION_GROUP));
  AutoSharedElementCallback.addSharedElementsToFragmentTransaction(transaction, transitionGroup);
}
 

private Fragment addSharedElement(Fragment fragment) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        fragment.setSharedElementEnterTransition(new DetailTransition());
        fragment.setEnterTransition(new Fade());
        fragment.setSharedElementReturnTransition(new DetailTransition());
    }
    return fragment;
}
 

@OnClick(R.id.btn_start_process)
void onClick(View view) {
    String type = getType();
    String rate = getRate();
    String noise = getNoise();

    Fragment fragment = FragmentProcess.instance(mUri, type, rate, noise);
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        int duration = getResources().getInteger(android.R.integer.config_mediumAnimTime);

        Slide slideTransition = new Slide(Gravity.LEFT);
        slideTransition.setDuration(duration);
        setExitTransition(slideTransition);

        Slide slideTransition2 = new Slide(Gravity.RIGHT);
        slideTransition2.setDuration(duration);
        fragment.setEnterTransition(slideTransition2);

        TransitionInflater inflater = TransitionInflater.from(getContext());
        Transition transition = inflater.inflateTransition(R.transition.transition_default);
        fragment.setSharedElementEnterTransition(transition);
    }

    getFragmentManager()
            .beginTransaction()
            .replace(R.id.frg_docker, fragment)
            .addToBackStack("preview")
            .addSharedElement(mIvPreview, ViewCompat.getTransitionName(mIvPreview))
            .commitAllowingStateLoss();
}
 

@Override
public void onResponse(Call<Bitmap> call, Response<Bitmap> response) {
    Bitmap image = response.body();
    if (null == image) {
        Toast.makeText(getActivity(), "缩放图片失败", Toast.LENGTH_LONG).show();
        getFragmentManager().popBackStack();
        return;
    }

    Fragment fragment = FragmentResult.instance(mUri);
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        int duration = getResources().getInteger(android.R.integer.config_mediumAnimTime);

        Slide slideTransition = new Slide(Gravity.LEFT);
        slideTransition.setDuration(duration);
        setExitTransition(slideTransition);

        Slide slideTransition2 = new Slide(Gravity.RIGHT);
        slideTransition2.setDuration(duration);
        fragment.setEnterTransition(slideTransition2);

        TransitionInflater inflater = TransitionInflater.from(getContext());
        Transition transition = inflater.inflateTransition(R.transition.transition_default);
        fragment.setSharedElementEnterTransition(transition);
    }

    IActivity activity = (IActivity) getActivity();
    activity.setImage(image);
    getFragmentManager()
            .beginTransaction()
            .replace(R.id.frg_docker, fragment)
            .addSharedElement(mIvProcess, ViewCompat.getTransitionName(mIvProcess))
            .commitAllowingStateLoss();
}
 

@Override
public void showNewCounter(int count) {
    Fragment fragment = CountingFragment.newInstance(count);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        fragment.setEnterTransition(new Slide(Gravity.END));
    }

    getChildFragmentManager().beginTransaction()
            .addToBackStack(null)
            .setReorderingAllowed(true)
            .replace(R.id.holderFrame, fragment)
            .commitAllowingStateLoss();
}
 

@Override
    public void onMessageSelected(View identictionView, View usernameView, int messageId, int peerId) {
        // Create new fragment to add (Fragment B)
        Peer peer = mClient.getDataStore().getPeerById(peerId);
        if (peer == null) {
            Log.w(TAG, "Could not lookup peer. Cannot show profile");
            return;
        }

        setTitle(peer.getAlias());

//        identictionView.setTransitionName(getString(R.string.identicon_transition_name));
//        usernameView.setTransitionName(getString(R.string.username_transition_name));

        Fragment profileFragment = ProfileFragment.createForPeer(mClient.getDataStore(), peer);

//        final TransitionSet sharedElementTransition = new TransitionSet();
//        sharedElementTransition.addTransition(new ChangeBounds());
//        sharedElementTransition.addTransition(new ChangeTransform());
//        sharedElementTransition.setInterpolator(new AccelerateDecelerateInterpolator());
//        sharedElementTransition.setDuration(200);

        final TransitionSet slideTransition = new TransitionSet();
        slideTransition.addTransition(new Slide());
        slideTransition.setInterpolator(new AccelerateDecelerateInterpolator());
        slideTransition.setDuration(300);

        profileFragment.setEnterTransition(slideTransition);
        profileFragment.setReturnTransition(slideTransition);
//        profileFragment.setSharedElementEnterTransition(sharedElementTransition);
        profileFragment.setAllowEnterTransitionOverlap(false);
        profileFragment.setAllowReturnTransitionOverlap(false);

        // Message fragment performs an exit when Profile is added, and an enter when profile is popped
//        getFragmentManager().findFragmentByTag("messaging").setReenterTransition(slideTransition);
//        getFragmentManager().findFragmentByTag("messaging").setExitTransition(slideTransition);
//        getFragmentManager().findFragmentByTag("messaging").setSharedElementEnterTransition(sharedElementTransition);

        getSupportFragmentManager().beginTransaction()
                .replace(R.id.container, profileFragment)
                .addToBackStack("profile")
//                .addSharedElement(identictionView, getString(R.string.identicon_transition_name))
//                .addSharedElement(usernameView, getString(R.string.username_transition_name))
                .commit();

        Bitmap bitmap = Notification.loadBitmapFromView(identictionView, 100, 100);
        Palette.generateAsync(bitmap, new Palette.PaletteAsyncListener() {
            public void onGenerated(Palette p) {
                mPalette = p;
                tintSystemBars(getResources().getColor(R.color.primary), getResources().getColor(R.color.primaryDark),
                        p.getVibrantColor(R.color.primary), p.getDarkVibrantColor(R.color.primaryDark));

            }
        });

        // Hack animate the drawer icon
        ValueAnimator drawerAnimator = ValueAnimator.ofFloat(0, 1f);
        drawerAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                mDrawerToggle.onDrawerSlide(null, (Float) animation.getAnimatedValue());
            }
        });
        drawerAnimator.start();
    }