Example usage for android.animation ValueAnimator setInterpolator

Introduction

In this page you can find the example usage for android.animation ValueAnimator setInterpolator.

Prototype

@Override
public void setInterpolator(TimeInterpolator value) 

Source Link

Document

The time interpolator used in calculating the elapsed fraction of this animation.

Usage

From source file:nl.thehyve.transmartclient.MainActivity.java

private void animateToArrow(boolean toArrow) {
    int start, stop;
    if (toArrow) {
        start = 0;/*from   ww w.j a  v a  2s .  c o  m*/
        stop = 1;
    } else {
        start = 1;
        stop = 0;
    }
    ValueAnimator anim = ValueAnimator.ofFloat(start, stop);
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            float slideOffset = (Float) valueAnimator.getAnimatedValue();
            toggle.onDrawerSlide(drawer, slideOffset);
        }
    });
    anim.setInterpolator(new DecelerateInterpolator());
    anim.setDuration(300);
    anim.start();
}

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From source file:com.telenav.nodeflow.NodeFlowLayout.java

/**
 * perform alpha animation associated with closing or opening a node
 *
 * @param startIndex start index of child views to be animated
 * @param endIndex   end index of child views to be animated
 * @param destAlpha  final alpha of child views to be animated
 *///from w  w w .  j a va2s .  co  m
private void animateDrillAlpha(final int startIndex, final int endIndex, final int destAlpha) {
    ValueAnimator animator = ValueAnimator.ofFloat(1 - destAlpha, destAlpha);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            for (int i = startIndex; i < endIndex; ++i) {
                getChildAt(i).setAlpha(((Float) animation.getAnimatedValue()));
            }
        }
    });
    animator.addListener(new CustomAnimationListener() {
        @Override
        public void onAnimationStart(Animator animator) {
            for (int i = startIndex; i < getChildCount(); ++i) {
                getChildAt(i).setAlpha(1 - destAlpha);
            }
        }
    });
    animator.setDuration(duration);
    if (destAlpha == 1)
        animator.setInterpolator(new AccelerateInterpolator());
    else
        animator.setInterpolator(new DecelerateInterpolator(2));
    animator.start();
}

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From source file:com.velli.passwordmanager.ActivityMain.java

public boolean lockDrawer(final boolean lock, boolean animate) {
    final DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    boolean locked = isDrawerLocked();

    if (drawer != null && lock != locked) {
        if (lock) {
            drawer.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
        } else {//from  w ww . jav  a2  s .  c o  m
            drawer.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
            if (!animate) {
                initDrawer();
            }
        }

        if (animate) {
            final ValueAnimator anim = ValueAnimator.ofFloat(lock ? 0 : 1, lock ? 1 : 0);
            anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                @Override
                public void onAnimationUpdate(ValueAnimator valueAnimator) {
                    float slideOffset = (Float) valueAnimator.getAnimatedValue();
                    mToolbarDrawerToggle.onDrawerSlide(drawer, slideOffset);
                }
            });
            anim.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    anim.removeAllUpdateListeners();
                    if (!lock) {
                        initDrawer();
                    }
                    animation.removeAllListeners();
                }
            });
            anim.setInterpolator(new DecelerateInterpolator());
            anim.setDuration(500);
            anim.start();
        } else {
            mToolbarDrawerToggle.onDrawerSlide(drawer, lock ? 1 : 0);

        }
        return true;
    }
    return false;
}

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From source file:com.android.settings.widget.DotsPageIndicator.java

private ValueAnimator createJoiningAnimator(final int leftJoiningDot, final long startDelay) {
    // animate the joining fraction for the given dot
    ValueAnimator joining = ValueAnimator.ofFloat(0f, 1.0f);
    joining.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override// w  w w.  j a va 2s  . c  o m
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            setJoiningFraction(leftJoiningDot, valueAnimator.getAnimatedFraction());
        }
    });
    joining.setDuration(animHalfDuration);
    joining.setStartDelay(startDelay);
    joining.setInterpolator(interpolator);
    return joining;
}

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From source file:com.justplay1.shoppist.features.search.widget.FloatingSearchView.java

private void fadeIn(boolean enter) {
    ValueAnimator backgroundAnim;

    if (Build.VERSION.SDK_INT >= 19) {
        backgroundAnim = ObjectAnimator.ofInt(backgroundDrawable, "alpha", enter ? 255 : 0);
    } else {/*from www.j  av  a  2  s .c om*/
        backgroundAnim = ValueAnimator.ofInt(enter ? 0 : 255, enter ? 255 : 0);
        backgroundAnim.addUpdateListener(animation -> {
            int value = (Integer) animation.getAnimatedValue();
            backgroundDrawable.setAlpha(value);
        });
    }

    backgroundAnim.setDuration(enter ? DEFAULT_DURATION_ENTER : DEFAULT_DURATION_EXIT);
    backgroundAnim.setInterpolator(enter ? DECELERATE : ACCELERATE);
    backgroundAnim.start();

    Drawable icon = unwrap(getIcon());

    if (icon != null) {
        ObjectAnimator iconAnim = ObjectAnimator.ofFloat(icon, "progress", enter ? 1 : 0);
        iconAnim.setDuration(backgroundAnim.getDuration());
        iconAnim.setInterpolator(backgroundAnim.getInterpolator());
        iconAnim.start();
    }
}

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From source file:co.ceryle.segmentedbutton.SegmentedButtonGroup.java

private void expand(final View v, Interpolator interpolator, int duration, int targetWidth) {

    int prevWidth = v.getWidth();

    ValueAnimator valueAnimator = ValueAnimator.ofInt(prevWidth, targetWidth);
    valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override//from   w ww . j ava  2 s. c  om
        public void onAnimationUpdate(ValueAnimator animation) {
            v.getLayoutParams().width = (int) animation.getAnimatedValue();
            v.requestLayout();
        }
    });
    valueAnimator.setInterpolator(interpolator);
    valueAnimator.setDuration(duration);
    valueAnimator.start();
}

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From source file:xyz.klinker.android.article.view.ElasticDragDismissFrameLayout.java

@Override
public void onStopNestedScroll(View child) {
    if (enabled) {
        if (Math.abs(totalDrag) >= dragDismissDistance) {
            dispatchDismissCallback();/*from ww w. j a  v  a 2 s .co  m*/
        } else { // settle back to natural position
            if (fastOutSlowInInterpolator == null) {
                fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(getContext(),
                        android.R.interpolator.fast_out_slow_in);
            }
            getChildAt(0).animate().translationY(0f).scaleX(1f).scaleY(1f).setDuration(200L)
                    .setInterpolator(fastOutSlowInInterpolator).setListener(null).start();

            ValueAnimator animator = null;
            if (draggingUp) {
                animator = ValueAnimator.ofFloat(draggingBackground.top, draggingBackground.bottom);
                animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                    @Override
                    public void onAnimationUpdate(ValueAnimator valueAnimator) {
                        draggingBackground.top = (float) valueAnimator.getAnimatedValue();
                        invalidate();
                    }
                });
            } else if (draggingDown) {
                animator = ValueAnimator.ofFloat(draggingBackground.bottom, draggingBackground.top);
                animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                    @Override
                    public void onAnimationUpdate(ValueAnimator valueAnimator) {
                        draggingBackground.bottom = (float) valueAnimator.getAnimatedValue();
                        invalidate();
                    }
                });
            }

            if (animator != null) {
                animator.setInterpolator(fastOutSlowInInterpolator);
                animator.setDuration(200L);
                animator.start();
            }

            totalDrag = 0;
            draggingDown = draggingUp = false;
            dispatchDragCallback(0f, 0f, 0f, 0f);
        }
    }
}

---

From source file:com.klinker.android.sliding.MultiShrinkScroller.java

public void runExpansionAnimation() {

    final Interpolator interpolator;

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        interpolator = AnimationUtils.loadInterpolator(getContext(), android.R.interpolator.linear_out_slow_in);
    } else {/*from www .  j  av a2  s .c  o  m*/
        interpolator = new DecelerateInterpolator();
    }

    WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);
    int screenHeight = size.y;
    int screenWidth = size.x;

    final ValueAnimator heightExpansion = ValueAnimator.ofInt(expansionViewHeight, getHeight());
    heightExpansion.setInterpolator(interpolator);
    heightExpansion.setDuration(ANIMATION_DURATION);
    heightExpansion.addUpdateListener(new AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            int val = (int) animation.getAnimatedValue();

            ViewGroup.LayoutParams params = getLayoutParams();
            params.height = val;
            setLayoutParams(params);
        }
    });
    heightExpansion.start();

    final ValueAnimator widthExpansion = ValueAnimator.ofInt(expansionViewWidth, getWidth());
    widthExpansion.setInterpolator(interpolator);
    widthExpansion.setDuration(ANIMATION_DURATION);
    widthExpansion.addUpdateListener(new AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            int val = (int) animation.getAnimatedValue();

            ViewGroup.LayoutParams params = getLayoutParams();
            params.width = val;
            setLayoutParams(params);
        }
    });
    widthExpansion.start();

    ObjectAnimator translationX = ObjectAnimator.ofFloat(this, View.TRANSLATION_X, expansionLeftOffset, 0f);
    translationX.setInterpolator(interpolator);
    translationX.setDuration(ANIMATION_DURATION);
    translationX.start();

    ObjectAnimator translationY = ObjectAnimator.ofFloat(this, View.TRANSLATION_Y, expansionTopOffset, 0f);
    translationY.setInterpolator(interpolator);
    translationY.setDuration(ANIMATION_DURATION);
    translationY.start();
}

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From source file:com.songcode.materialnotes.ui.NoteEditActivity.java

private void animateRevealHide(final View targetview, View startView) {
    if (isActionInsertOrEdit()) {
        int cx = startView.getLeft() + (startView.getWidth() / 2); //middle of button
        int cy = startView.getTop() + (startView.getHeight() / 2); //middle of button
        int radius = (int) Math.sqrt(Math.pow(cx, 2) + Math.pow(cy, 2)); //hypotenuse to top left

        Animator anim = ViewAnimationUtils.createCircularReveal(targetview, cx, cy, radius, 0);
        anim.addListener(new AnimatorListenerAdapter() {
            @Override//from ww  w.  j  a va2 s  .  c o  m
            public void onAnimationEnd(Animator animation) {
                super.onAnimationEnd(animation);
                targetview.setVisibility(View.INVISIBLE);
            }
        });
        //anim.setInterpolator(new AccelerateInterpolator());
        anim.setDuration(ANIM_DURATION);
        anim.start();

        Integer colorTo = getResources().getColor(R.color.primaryColor);
        Integer colorFrom = getResources().getColor(android.R.color.white);
        ValueAnimator colorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
        colorAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animator) {
                targetview.setBackgroundColor((Integer) animator.getAnimatedValue());
            }

        });
        colorAnimation.setInterpolator(new AccelerateInterpolator(2));
        colorAnimation.setDuration(ANIM_DURATION);
        colorAnimation.start();
    } else if (isActionActionView()) {
        mAnimBackGroudView.animate().scaleX(1).scaleY(1).alpha(1).translationY(0).setDuration(ANIM_DURATION)
                .setInterpolator(new AccelerateInterpolator()).start();
        mNoteEditor.animate().alpha(0).setDuration(100).start();
    }
}

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From source file:com.klinker.android.sliding.MultiShrinkScroller.java

public void reverseExpansionAnimation() {

    final Interpolator interpolator;

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        interpolator = AnimationUtils.loadInterpolator(getContext(), android.R.interpolator.linear_out_slow_in);
    } else {/* ww  w.  j  a  v  a2 s .  c  o m*/
        interpolator = new DecelerateInterpolator();
    }

    WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);
    int screenHeight = size.y;
    int screenWidth = size.x;

    final ValueAnimator heightExpansion = ValueAnimator.ofInt(screenHeight, expansionViewHeight);
    heightExpansion.setInterpolator(interpolator);
    heightExpansion.setDuration(ANIMATION_DURATION);
    heightExpansion.addUpdateListener(new AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            int val = (int) animation.getAnimatedValue();

            ViewGroup.LayoutParams params = getLayoutParams();
            params.height = val;
            setLayoutParams(params);
        }
    });
    heightExpansion.start();

    final ValueAnimator widthExpansion = ValueAnimator.ofInt(getWidth(), expansionViewWidth);
    widthExpansion.setInterpolator(interpolator);
    widthExpansion.setDuration(ANIMATION_DURATION);
    widthExpansion.addUpdateListener(new AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            int val = (int) animation.getAnimatedValue();

            ViewGroup.LayoutParams params = getLayoutParams();
            params.width = val;
            setLayoutParams(params);
        }
    });
    widthExpansion.start();

    ObjectAnimator translationX = ObjectAnimator.ofFloat(this, View.TRANSLATION_X, 0f, expansionLeftOffset);
    translationX.setInterpolator(interpolator);
    translationX.setDuration(ANIMATION_DURATION);
    translationX.start();

    ObjectAnimator translationY = ObjectAnimator.ofFloat(this, View.TRANSLATION_Y, 0f, expansionTopOffset);
    translationY.setInterpolator(interpolator);
    translationY.setDuration(ANIMATION_DURATION);
    translationY.addListener(exitAnimationListner);
    translationY.start();
}

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