Examples with Spring com.facebook.rebound.Spring used on opensource projects

Example 1 with Spring

use of com.facebook.rebound.Spring in project Backboard by tumblr.

the class AppearFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mRootView = inflater.inflate(R.layout.fragment_appear, container, false);
    // grab the circles
    mCircles = new View[6];
    mCircles[0] = mRootView.findViewById(R.id.circle0);
    mCircles[1] = mRootView.findViewById(R.id.circle1);
    mCircles[2] = mRootView.findViewById(R.id.circle2);
    mCircles[3] = mRootView.findViewById(R.id.circle3);
    mCircles[4] = mRootView.findViewById(R.id.circle4);
    mCircles[5] = mRootView.findViewById(R.id.circle5);
    final SpringSystem springSystem = SpringSystem.create();
    final Spring[] springs = new Spring[6];
    final Actor[] actors = new Actor[6];
    // the selected view should move to heaven and the unselected ones should go to hell
    View.OnClickListener select = new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            Spring spring = (Spring) v.getTag();
            // get root location so we can compensate for it
            int[] rootLocation = new int[2];
            mRootView.getLocationInWindow(rootLocation);
            int[] location = new int[2];
            for (int i = 0; i < mCircles.length; i++) {
                actors[i].setTouchEnabled(false);
                for (Actor.Motion motion : actors[i].getMotions()) {
                    for (EventImitator imitator : motion.getImitators()) {
                        if (imitator instanceof MotionImitator) {
                            final MotionImitator motionImitator = (MotionImitator) imitator;
                            if (motionImitator.getProperty() == MotionProperty.Y) {
                            // TODO: disable the y-motion because it is about to be animated
                            // imitator.getSpring().deregister();
                            } else {
                                imitator.release(null);
                            }
                        }
                    }
                }
                mCircles[i].getLocationInWindow(location);
                if (springs[i] == spring) {
                    // goes to the top
                    springs[i].setEndValue(-location[1] + rootLocation[1] - v.getMeasuredHeight());
                } else {
                    // go back to the bottom
                    springs[i].setEndValue(mRootView.getMeasuredHeight() - location[1] + rootLocation[1] + 2 * Math.random() * mCircles[i].getMeasuredHeight());
                }
            }
        }
    };
    // attach listeners
    for (int i = 0; i < mCircles.length; i++) {
        springs[i] = springSystem.createSpring();
        springs[i].addListener(new Performer(mCircles[i], View.TRANSLATION_Y));
        mCircles[i].setTag(springs[i]);
        mCircles[i].setOnClickListener(select);
        actors[i] = new Actor.Builder(springSystem, mCircles[i]).addTranslateMotion(MotionProperty.X).addTranslateMotion(MotionProperty.Y).build();
    }
    mRootView.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // grab location of root view so we can compensate for it
            int[] rootLocation = new int[2];
            v.getLocationInWindow(rootLocation);
            int[] location = new int[2];
            for (int i = 0; i < mCircles.length; i++) {
                if (springs[i].getEndValue() == 0) {
                    // hide
                    mCircles[i].getLocationInWindow(location);
                    // if the end values are different, they will move at different speeds
                    springs[i].setEndValue(mRootView.getMeasuredHeight() - location[1] + rootLocation[1] + 2 * Math.random() * mCircles[i].getMeasuredHeight());
                } else {
                    actors[i].setTouchEnabled(true);
                    for (Actor.Motion motion : actors[i].getMotions()) {
                        for (EventImitator imitator : motion.getImitators()) {
                            if (imitator instanceof MotionImitator) {
                                final MotionImitator motionImitator = (MotionImitator) imitator;
                                imitator.getSpring().setCurrentValue(0);
                            // TODO: re-enable the y motion.
                            //									if (imitator.getProperty() == MotionProperty.Y &&
                            //											!imitator.getSpring().isRegistered()) {
                            //										imitator.getSpring().register();
                            //									}
                            }
                        }
                    }
                    // appear
                    springs[i].setEndValue(0);
                }
            }
        }
    });
    return mRootView;
}

Example 2 with Spring

use of com.facebook.rebound.Spring in project Backboard by tumblr.

the class BloomFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mRootView = (RelativeLayout) inflater.inflate(R.layout.fragment_bloom, container, false);
    mCircles = new View[6];
    float diameter = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, DIAMETER, getResources().getDisplayMetrics());
    final TypedArray circles = getResources().obtainTypedArray(R.array.circles);
    // layout params
    RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams((int) diameter, (int) diameter);
    params.addRule(RelativeLayout.CENTER_IN_PARENT);
    // create the circle views
    int colorIndex = 0;
    for (int i = 0; i < mCircles.length; i++) {
        mCircles[i] = new View(getActivity());
        mCircles[i].setLayoutParams(params);
        mCircles[i].setBackgroundDrawable(getResources().getDrawable(circles.getResourceId(colorIndex, -1)));
        colorIndex++;
        if (colorIndex >= circles.length()) {
            colorIndex = 0;
        }
        mRootView.addView(mCircles[i]);
    }
    circles.recycle();
    /* Animations! */
    final SpringSystem springSystem = SpringSystem.create();
    // create spring
    final Spring spring = springSystem.createSpring();
    // add listeners along arc
    double arc = 2 * Math.PI / mCircles.length;
    for (int i = 0; i < mCircles.length; i++) {
        View view = mCircles[i];
        // map spring to a line segment from the center to the edge of the ring
        spring.addListener(new MapPerformer(view, View.TRANSLATION_X, 0, 1, 0, (float) (RING_DIAMETER * Math.cos(i * arc))));
        spring.addListener(new MapPerformer(view, View.TRANSLATION_Y, 0, 1, 0, (float) (RING_DIAMETER * Math.sin(i * arc))));
        spring.setEndValue(CLOSED);
    }
    mRootView.setOnTouchListener(new ToggleImitator(spring, CLOSED, OPEN));
    return mRootView;
}

Example 3 with Spring

use of com.facebook.rebound.Spring in project Backboard by tumblr.

the class FlowerFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mRootView = (RelativeLayout) inflater.inflate(R.layout.fragment_flower, container, false);
    mCircles = new View[6];
    mCircle = mRootView.findViewById(R.id.circle);
    final float diameter = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, DIAMETER, getResources().getDisplayMetrics());
    final TypedArray circles = getResources().obtainTypedArray(R.array.circles);
    // layout params
    final RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams((int) diameter, (int) diameter);
    params.addRule(RelativeLayout.CENTER_IN_PARENT);
    // create the circle views
    int colorIndex = 0;
    for (int i = 0; i < mCircles.length; i++) {
        mCircles[i] = new View(getActivity());
        mCircles[i].setLayoutParams(params);
        mCircles[i].setBackgroundDrawable(getResources().getDrawable(circles.getResourceId(colorIndex, -1)));
        colorIndex++;
        if (colorIndex >= circles.length()) {
            colorIndex = 0;
        }
        mRootView.addView(mCircles[i], 0);
    }
    circles.recycle();
    /* Animations! */
    final SpringSystem springSystem = SpringSystem.create();
    // create spring
    final Spring spring = springSystem.createSpring();
    // add listeners along arc
    final double arc = 2 * Math.PI / mCircles.length;
    for (int i = 0; i < mCircles.length; i++) {
        View view = mCircles[i];
        // map spring to a line segment from the center to the edge of the ring
        spring.addListener(new MapPerformer(view, View.TRANSLATION_X, 0, 1, 0, (float) (RING_DIAMETER * Math.cos(i * arc))));
        spring.addListener(new MapPerformer(view, View.TRANSLATION_Y, 0, 1, 0, (float) (RING_DIAMETER * Math.sin(i * arc))));
        spring.setEndValue(CLOSED);
    }
    final ToggleImitator imitator = new ToggleImitator(spring, CLOSED, OPEN);
    // move circle using finger, snap when near another circle, and bloom when touched
    new Actor.Builder(SpringSystem.create(), mCircle).addMotion(new SnapImitator(MotionProperty.X), View.TRANSLATION_X).addMotion(new SnapImitator(MotionProperty.Y), View.TRANSLATION_Y).onTouchListener(imitator).build();
    return mRootView;
}

Example 4 with Spring

use of com.facebook.rebound.Spring in project Backboard by tumblr.

the class FollowFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mRootView = (ViewGroup) inflater.inflate(R.layout.fragment_follow, container, false);
    mCircle = mRootView.findViewById(R.id.circle);
    FrameLayout.LayoutParams leaderParams = (FrameLayout.LayoutParams) mCircle.getLayoutParams();
    mFollowers = new View[4];
    float diameter = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, DIAMETER, getResources().getDisplayMetrics());
    TypedArray circles = getResources().obtainTypedArray(R.array.circles);
    // create the circle views
    int colorIndex = 1;
    for (int i = 0; i < mFollowers.length; i++) {
        mFollowers[i] = new View(getActivity());
        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams((int) diameter, (int) diameter);
        params.gravity = leaderParams.gravity;
        mFollowers[i].setLayoutParams(params);
        mFollowers[i].setBackgroundDrawable(getResources().getDrawable(circles.getResourceId(colorIndex, -1)));
        colorIndex++;
        if (colorIndex >= circles.length()) {
            colorIndex = 0;
        }
        mRootView.addView(mFollowers[i]);
    }
    circles.recycle();
    /* Animation code */
    final SpringSystem springSystem = SpringSystem.create();
    // create the springs that control movement
    final Spring springX = springSystem.createSpring();
    final Spring springY = springSystem.createSpring();
    // bind circle movement to events
    new Actor.Builder(springSystem, mCircle).addMotion(springX, MotionProperty.X).addMotion(springY, MotionProperty.Y).build();
    // add springs to connect between the views
    final Spring[] followsX = new Spring[mFollowers.length];
    final Spring[] followsY = new Spring[mFollowers.length];
    for (int i = 0; i < mFollowers.length; i++) {
        // create spring to bind views
        followsX[i] = springSystem.createSpring();
        followsY[i] = springSystem.createSpring();
        followsX[i].addListener(new Performer(mFollowers[i], View.TRANSLATION_X));
        followsY[i].addListener(new Performer(mFollowers[i], View.TRANSLATION_Y));
        // imitates another character
        final SpringImitator followX = new SpringImitator(followsX[i]);
        final SpringImitator followY = new SpringImitator(followsY[i]);
        //  imitate the previous character
        if (i == 0) {
            springX.addListener(followX);
            springY.addListener(followY);
        } else {
            followsX[i - 1].addListener(followX);
            followsY[i - 1].addListener(followY);
        }
    }
    return mRootView;
}

Example 5 with Spring

use of com.facebook.rebound.Spring in project Backboard by tumblr.

the class ZoomFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    final View rootView = inflater.inflate(R.layout.fragment_scale, container, false);
    final View rect = rootView.findViewById(R.id.rect);
    final SpringSystem springSystem = SpringSystem.create();
    final Spring spring = springSystem.createSpring();
    spring.addListener(new Performer(rect, View.SCALE_X));
    spring.addListener(new Performer(rect, View.SCALE_Y));
    spring.setCurrentValue(1.0f, true);
    final ScaleGestureDetector scaleGestureDetector = new ScaleGestureDetector(getActivity(), new ScaleGestureDetector.SimpleOnScaleGestureListener() {

        @Override
        public boolean onScale(ScaleGestureDetector detector) {
            spring.setCurrentValue(spring.getCurrentValue() * detector.getScaleFactor(), true);
            return true;
        }

        @Override
        public void onScaleEnd(ScaleGestureDetector detector) {
            spring.setEndValue(1.0f);
        }
    });
    rootView.setOnTouchListener(new View.OnTouchListener() {

        @Override
        @SuppressLint("ClickableViewAccessibility")
        public boolean onTouch(View v, MotionEvent event) {
            return scaleGestureDetector.onTouchEvent(event);
        }
    });
    return rootView;
}