Example usage for android.view.animation Interpolator getInterpolation

Introduction

In this page you can find the example usage for android.view.animation Interpolator getInterpolation.

Prototype

float getInterpolation(float input);

Source Link

Document

Maps a value representing the elapsed fraction of an animation to a value that represents the interpolated fraction.

Usage

From source file:com.corporatetaxi.TaxiOntheWay_Activity.java

private void animateMarker(final Marker marker, final LatLng toPosition, final boolean hideMarker) {
    final Handler handler = new Handler();
    final long start = SystemClock.uptimeMillis();
    Projection proj = map.getProjection();
    Point startPoint = proj.toScreenLocation(marker.getPosition());
    final LatLng startLatLng = proj.fromScreenLocation(startPoint);//marker1.getPosition();
    final long duration = 600;

    final Interpolator interpolator = new LinearInterpolator();
    handler.post(new Runnable() {
        @Override/*from www  .j a  v a  2 s. c  o m*/
        public void run() {
            long elapsed = SystemClock.uptimeMillis() - start;
            float t = interpolator.getInterpolation((float) elapsed / duration);
            double lng = t * toPosition.longitude + (1 - t) * startLatLng.longitude;
            double lat = t * toPosition.latitude + (1 - t) * startLatLng.latitude;
            marker.setPosition(new LatLng(lat, lng));

            if (t < 1.0) {
                // Post again 16ms later.
                handler.postDelayed(this, 16);
            } else {
                if (hideMarker) {
                    marker.setVisible(false);
                } else {
                    marker.setVisible(true);
                }
            }
            map.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(lat, lng)));
        }
    });

}

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From source file:com.goka.flickableview.ImageViewTouchBase.java

protected void zoomTo(float scale, float centerX, float centerY, final long durationMs) {
    if (scale > getMaxScale()) {
        scale = getMaxScale();//w ww  .j a va2s  .  co  m
    }

    final float oldScale = getScale();

    Matrix m = new Matrix(mSuppMatrix);
    m.postScale(scale, scale, centerX, centerY);
    RectF rect = getCenter(m, true, true);

    final float finalScale = scale;
    final float destX = centerX + rect.left * scale;
    final float destY = centerY + rect.top * scale;

    stopAllAnimations();

    ValueAnimatorCompat animatorCompat = AnimatorCompatHelper.emptyValueAnimator();
    animatorCompat.setDuration(durationMs);
    final Interpolator interpolator = new DecelerateInterpolator(1.0f);
    animatorCompat.addUpdateListener(new AnimatorUpdateListenerCompat() {
        @Override
        public void onAnimationUpdate(ValueAnimatorCompat animation) {
            float fraction = interpolator.getInterpolation(animation.getAnimatedFraction());
            float value = oldScale + (fraction * (finalScale - oldScale));
            zoomTo(value, destX, destY);
        }
    });
    animatorCompat.start();
}

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From source file:com.corporatetaxi.TaxiArrived_Acitivity.java

private void animateMarker(final Marker marker, final LatLng toPosition, final boolean hideMarker) {
    final Handler handler = new Handler();
    final long start = SystemClock.uptimeMillis();
    Projection proj = map.getProjection();
    Point startPoint = proj.toScreenLocation(marker.getPosition());
    final LatLng startLatLng = proj.fromScreenLocation(startPoint);
    final long duration = 1000;

    final Interpolator interpolator = new LinearInterpolator();
    handler.post(new Runnable() {
        @Override/*from w w w  .  j  a  v a 2s .com*/
        public void run() {
            long elapsed = SystemClock.uptimeMillis() - start;
            float t = interpolator.getInterpolation((float) elapsed / duration);
            double lng = t * toPosition.longitude + (1 - t) * startLatLng.longitude;
            double lat = t * toPosition.latitude + (1 - t) * startLatLng.latitude;
            marker.setPosition(new LatLng(lat, lng));

            if (t < 1.0) {
                // Post again 16ms later.
                handler.postDelayed(this, 16);
            } else {
                if (hideMarker) {
                    marker.setVisible(false);
                } else {
                    marker.setVisible(true);
                }
            }
            map.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(lat, lng)));
        }
    });
}

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From source file:com.goka.flickableview.ImageViewTouchBase.java

protected void scrollBy(final float distanceX, final float distanceY, final long durationMs) {
    ValueAnimatorCompat animatorCompat = AnimatorCompatHelper.emptyValueAnimator();
    animatorCompat.setDuration(durationMs);

    stopAllAnimations();//from  ww w . j  a v  a  2  s  .c  o  m

    mCurrentAnimation = animatorCompat;
    mCurrentAnimation.start();

    final Interpolator interpolator = new DecelerateInterpolator();
    animatorCompat.addUpdateListener(new AnimatorUpdateListenerCompat() {
        float oldValueX = 0;

        float oldValueY = 0;

        @Override
        public void onAnimationUpdate(ValueAnimatorCompat animation) {
            float fraction = interpolator.getInterpolation(animation.getAnimatedFraction());
            float valueX = fraction * distanceX;
            float valueY = fraction * distanceY;
            panBy(valueX - oldValueX, valueY - oldValueY);

            oldValueX = valueX;
            oldValueY = valueY;
        }
    });

    mCurrentAnimation.addListener(new AnimatorListenerCompat() {
        @Override
        public void onAnimationStart(ValueAnimatorCompat animation) {

        }

        @Override
        public void onAnimationEnd(ValueAnimatorCompat animation) {
            RectF centerRect = getCenter(mSuppMatrix, true, true);
            if (centerRect.left != 0 || centerRect.top != 0) {
                scrollBy(centerRect.left, centerRect.top);
            }
        }

        @Override
        public void onAnimationCancel(ValueAnimatorCompat animation) {

        }

        @Override
        public void onAnimationRepeat(ValueAnimatorCompat animation) {

        }
    });

}

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From source file:com.usertaxi.TaxiOntheWay_Activity.java

private void animateMarker(final Marker marker, final LatLng toPosition, final boolean hideMarker) {
    final Handler handler = new Handler();
    final long start = SystemClock.uptimeMillis();
    Projection proj = map.getProjection();
    Point startPoint = proj.toScreenLocation(marker.getPosition());
    final LatLng startLatLng = proj.fromScreenLocation(startPoint);//marker1.getPosition();
    final long duration = 600;

    final Interpolator interpolator = new LinearInterpolator();
    handler.post(new Runnable() {
        @Override//from  w  w  w  .  ja v  a  2 s .co  m
        public void run() {
            long elapsed = SystemClock.uptimeMillis() - start;
            float t = interpolator.getInterpolation((float) elapsed / duration);
            double lng = t * toPosition.longitude + (1 - t) * startLatLng.longitude;
            double lat = t * toPosition.latitude + (1 - t) * startLatLng.latitude;
            marker.setPosition(new LatLng(lat, lng));

            if (t < 1.0) {
                // Post again 16ms later.
                handler.postDelayed(this, 16);
            } else {
                if (hideMarker) {
                    marker.setVisible(false);
                } else {
                    marker.setVisible(true);
                }
            }
            //   map.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(lat, lng)));
        }
    });

    AppPreferences.setPreviouslat(getApplicationContext(),
            AppPreferences.getCurrentlat(getApplicationContext()));
    AppPreferences.setPreviouslong(getApplicationContext(),
            AppPreferences.getCurrentlong(getApplicationContext()));
}

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From source file:com.iride.ayride.HomePageActivity.java

private void animateMarkerTo(final Marker marker, final double lat, final double lng) {
    final Handler handler = new Handler();
    final long start = SystemClock.uptimeMillis();
    final long DURATION_MS = 1000;
    final Interpolator interpolator = new AccelerateDecelerateInterpolator();
    final LatLng startPosition = marker.getPosition();
    handler.post(new Runnable() {
        @Override//from  w w w .  j ava  2  s. c om
        public void run() {
            float elapsed = SystemClock.uptimeMillis() - start;
            float t = elapsed / DURATION_MS;
            float v = interpolator.getInterpolation(t);

            double currentLat = (lat - startPosition.latitude) * v + startPosition.latitude;
            double currentLng = (lng - startPosition.longitude) * v + startPosition.longitude;
            marker.setPosition(new LatLng(currentLat, currentLng));

            // if animation is not finished yet, repeat
            if (t < 1) {
                handler.postDelayed(this, 16);
            }
        }
    });
}

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