Examples with Interpolator android.view.animation.Interpolator used on opensource projects

Example 1 with Interpolator

use of android.view.animation.Interpolator in project Meizhi by drakeet.

the class SmoothAppBarLayout method onLayout.

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);
    int i = 0;
    for (int z = this.getChildCount(); i < z; ++i) {
        View child = this.getChildAt(i);
        AppBarLayout.LayoutParams childLp = (AppBarLayout.LayoutParams) child.getLayoutParams();
        Interpolator interpolator = childLp.getScrollInterpolator();
        if (interpolator != null) {
            mHaveChildWithInterpolator = true;
            break;
        }
    }
}

Example 2 with Interpolator

use of android.view.animation.Interpolator in project cw-omnibus by commonsguy.

the class IntKeyframeSet method getIntValue.

public int getIntValue(float fraction) {
    if (mNumKeyframes == 2) {
        if (firstTime) {
            firstTime = false;
            firstValue = ((IntKeyframe) mKeyframes.get(0)).getIntValue();
            lastValue = ((IntKeyframe) mKeyframes.get(1)).getIntValue();
            deltaValue = lastValue - firstValue;
        }
        if (mInterpolator != null) {
            fraction = mInterpolator.getInterpolation(fraction);
        }
        if (mEvaluator == null) {
            return firstValue + (int) (fraction * deltaValue);
        } else {
            return ((Number) mEvaluator.evaluate(fraction, firstValue, lastValue)).intValue();
        }
    }
    if (fraction <= 0f) {
        final IntKeyframe prevKeyframe = (IntKeyframe) mKeyframes.get(0);
        final IntKeyframe nextKeyframe = (IntKeyframe) mKeyframes.get(1);
        int prevValue = prevKeyframe.getIntValue();
        int nextValue = nextKeyframe.getIntValue();
        float prevFraction = prevKeyframe.getFraction();
        float nextFraction = nextKeyframe.getFraction();
        final Interpolator /*Time*/
        interpolator = nextKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        float intervalFraction = (fraction - prevFraction) / (nextFraction - prevFraction);
        return mEvaluator == null ? prevValue + (int) (intervalFraction * (nextValue - prevValue)) : ((Number) mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).intValue();
    } else if (fraction >= 1f) {
        final IntKeyframe prevKeyframe = (IntKeyframe) mKeyframes.get(mNumKeyframes - 2);
        final IntKeyframe nextKeyframe = (IntKeyframe) mKeyframes.get(mNumKeyframes - 1);
        int prevValue = prevKeyframe.getIntValue();
        int nextValue = nextKeyframe.getIntValue();
        float prevFraction = prevKeyframe.getFraction();
        float nextFraction = nextKeyframe.getFraction();
        final Interpolator /*Time*/
        interpolator = nextKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        float intervalFraction = (fraction - prevFraction) / (nextFraction - prevFraction);
        return mEvaluator == null ? prevValue + (int) (intervalFraction * (nextValue - prevValue)) : ((Number) mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).intValue();
    }
    IntKeyframe prevKeyframe = (IntKeyframe) mKeyframes.get(0);
    for (int i = 1; i < mNumKeyframes; ++i) {
        IntKeyframe nextKeyframe = (IntKeyframe) mKeyframes.get(i);
        if (fraction < nextKeyframe.getFraction()) {
            final Interpolator /*Time*/
            interpolator = nextKeyframe.getInterpolator();
            if (interpolator != null) {
                fraction = interpolator.getInterpolation(fraction);
            }
            float intervalFraction = (fraction - prevKeyframe.getFraction()) / (nextKeyframe.getFraction() - prevKeyframe.getFraction());
            int prevValue = prevKeyframe.getIntValue();
            int nextValue = nextKeyframe.getIntValue();
            return mEvaluator == null ? prevValue + (int) (intervalFraction * (nextValue - prevValue)) : ((Number) mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).intValue();
        }
        prevKeyframe = nextKeyframe;
    }
    // shouldn't get here
    return ((Number) mKeyframes.get(mNumKeyframes - 1).getValue()).intValue();
}

Example 3 with Interpolator

use of android.view.animation.Interpolator in project cw-omnibus by commonsguy.

the class KeyframeSet method getValue.

/**
     * Gets the animated value, given the elapsed fraction of the animation (interpolated by the
     * animation's interpolator) and the evaluator used to calculate in-between values. This
     * function maps the input fraction to the appropriate keyframe interval and a fraction
     * between them and returns the interpolated value. Note that the input fraction may fall
     * outside the [0-1] bounds, if the animation's interpolator made that happen (e.g., a
     * spring interpolation that might send the fraction past 1.0). We handle this situation by
     * just using the two keyframes at the appropriate end when the value is outside those bounds.
     *
     * @param fraction The elapsed fraction of the animation
     * @return The animated value.
     */
public Object getValue(float fraction) {
    // Special-case optimization for the common case of only two keyframes
    if (mNumKeyframes == 2) {
        if (mInterpolator != null) {
            fraction = mInterpolator.getInterpolation(fraction);
        }
        return mEvaluator.evaluate(fraction, mFirstKeyframe.getValue(), mLastKeyframe.getValue());
    }
    if (fraction <= 0f) {
        final Keyframe nextKeyframe = mKeyframes.get(1);
        final Interpolator /*Time*/
        interpolator = nextKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        final float prevFraction = mFirstKeyframe.getFraction();
        float intervalFraction = (fraction - prevFraction) / (nextKeyframe.getFraction() - prevFraction);
        return mEvaluator.evaluate(intervalFraction, mFirstKeyframe.getValue(), nextKeyframe.getValue());
    } else if (fraction >= 1f) {
        final Keyframe prevKeyframe = mKeyframes.get(mNumKeyframes - 2);
        final Interpolator /*Time*/
        interpolator = mLastKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        final float prevFraction = prevKeyframe.getFraction();
        float intervalFraction = (fraction - prevFraction) / (mLastKeyframe.getFraction() - prevFraction);
        return mEvaluator.evaluate(intervalFraction, prevKeyframe.getValue(), mLastKeyframe.getValue());
    }
    Keyframe prevKeyframe = mFirstKeyframe;
    for (int i = 1; i < mNumKeyframes; ++i) {
        Keyframe nextKeyframe = mKeyframes.get(i);
        if (fraction < nextKeyframe.getFraction()) {
            final Interpolator /*Time*/
            interpolator = nextKeyframe.getInterpolator();
            if (interpolator != null) {
                fraction = interpolator.getInterpolation(fraction);
            }
            final float prevFraction = prevKeyframe.getFraction();
            float intervalFraction = (fraction - prevFraction) / (nextKeyframe.getFraction() - prevFraction);
            return mEvaluator.evaluate(intervalFraction, prevKeyframe.getValue(), nextKeyframe.getValue());
        }
        prevKeyframe = nextKeyframe;
    }
    // shouldn't reach here
    return mLastKeyframe.getValue();
}

Example 4 with Interpolator

use of android.view.animation.Interpolator in project AndroidTraining by mixi-inc.

the class FloatKeyframeSet method getFloatValue.

public float getFloatValue(float fraction) {
    if (mNumKeyframes == 2) {
        if (firstTime) {
            firstTime = false;
            firstValue = ((FloatKeyframe) mKeyframes.get(0)).getFloatValue();
            lastValue = ((FloatKeyframe) mKeyframes.get(1)).getFloatValue();
            deltaValue = lastValue - firstValue;
        }
        if (mInterpolator != null) {
            fraction = mInterpolator.getInterpolation(fraction);
        }
        if (mEvaluator == null) {
            return firstValue + fraction * deltaValue;
        } else {
            return ((Number) mEvaluator.evaluate(fraction, firstValue, lastValue)).floatValue();
        }
    }
    if (fraction <= 0f) {
        final FloatKeyframe prevKeyframe = (FloatKeyframe) mKeyframes.get(0);
        final FloatKeyframe nextKeyframe = (FloatKeyframe) mKeyframes.get(1);
        float prevValue = prevKeyframe.getFloatValue();
        float nextValue = nextKeyframe.getFloatValue();
        float prevFraction = prevKeyframe.getFraction();
        float nextFraction = nextKeyframe.getFraction();
        final Interpolator /*Time*/
        interpolator = nextKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        float intervalFraction = (fraction - prevFraction) / (nextFraction - prevFraction);
        return mEvaluator == null ? prevValue + intervalFraction * (nextValue - prevValue) : ((Number) mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).floatValue();
    } else if (fraction >= 1f) {
        final FloatKeyframe prevKeyframe = (FloatKeyframe) mKeyframes.get(mNumKeyframes - 2);
        final FloatKeyframe nextKeyframe = (FloatKeyframe) mKeyframes.get(mNumKeyframes - 1);
        float prevValue = prevKeyframe.getFloatValue();
        float nextValue = nextKeyframe.getFloatValue();
        float prevFraction = prevKeyframe.getFraction();
        float nextFraction = nextKeyframe.getFraction();
        final Interpolator /*Time*/
        interpolator = nextKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        float intervalFraction = (fraction - prevFraction) / (nextFraction - prevFraction);
        return mEvaluator == null ? prevValue + intervalFraction * (nextValue - prevValue) : ((Number) mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).floatValue();
    }
    FloatKeyframe prevKeyframe = (FloatKeyframe) mKeyframes.get(0);
    for (int i = 1; i < mNumKeyframes; ++i) {
        FloatKeyframe nextKeyframe = (FloatKeyframe) mKeyframes.get(i);
        if (fraction < nextKeyframe.getFraction()) {
            final Interpolator /*Time*/
            interpolator = nextKeyframe.getInterpolator();
            if (interpolator != null) {
                fraction = interpolator.getInterpolation(fraction);
            }
            float intervalFraction = (fraction - prevKeyframe.getFraction()) / (nextKeyframe.getFraction() - prevKeyframe.getFraction());
            float prevValue = prevKeyframe.getFloatValue();
            float nextValue = nextKeyframe.getFloatValue();
            return mEvaluator == null ? prevValue + intervalFraction * (nextValue - prevValue) : ((Number) mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).floatValue();
        }
        prevKeyframe = nextKeyframe;
    }
    // shouldn't get here
    return ((Number) mKeyframes.get(mNumKeyframes - 1).getValue()).floatValue();
}

Example 5 with Interpolator

use of android.view.animation.Interpolator in project AndroidTraining by mixi-inc.

the class KeyframeSet method getValue.

/**
     * Gets the animated value, given the elapsed fraction of the animation (interpolated by the
     * animation's interpolator) and the evaluator used to calculate in-between values. This
     * function maps the input fraction to the appropriate keyframe interval and a fraction
     * between them and returns the interpolated value. Note that the input fraction may fall
     * outside the [0-1] bounds, if the animation's interpolator made that happen (e.g., a
     * spring interpolation that might send the fraction past 1.0). We handle this situation by
     * just using the two keyframes at the appropriate end when the value is outside those bounds.
     *
     * @param fraction The elapsed fraction of the animation
     * @return The animated value.
     */
public Object getValue(float fraction) {
    // Special-case optimization for the common case of only two keyframes
    if (mNumKeyframes == 2) {
        if (mInterpolator != null) {
            fraction = mInterpolator.getInterpolation(fraction);
        }
        return mEvaluator.evaluate(fraction, mFirstKeyframe.getValue(), mLastKeyframe.getValue());
    }
    if (fraction <= 0f) {
        final Keyframe nextKeyframe = mKeyframes.get(1);
        final Interpolator /*Time*/
        interpolator = nextKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        final float prevFraction = mFirstKeyframe.getFraction();
        float intervalFraction = (fraction - prevFraction) / (nextKeyframe.getFraction() - prevFraction);
        return mEvaluator.evaluate(intervalFraction, mFirstKeyframe.getValue(), nextKeyframe.getValue());
    } else if (fraction >= 1f) {
        final Keyframe prevKeyframe = mKeyframes.get(mNumKeyframes - 2);
        final Interpolator /*Time*/
        interpolator = mLastKeyframe.getInterpolator();
        if (interpolator != null) {
            fraction = interpolator.getInterpolation(fraction);
        }
        final float prevFraction = prevKeyframe.getFraction();
        float intervalFraction = (fraction - prevFraction) / (mLastKeyframe.getFraction() - prevFraction);
        return mEvaluator.evaluate(intervalFraction, prevKeyframe.getValue(), mLastKeyframe.getValue());
    }
    Keyframe prevKeyframe = mFirstKeyframe;
    for (int i = 1; i < mNumKeyframes; ++i) {
        Keyframe nextKeyframe = mKeyframes.get(i);
        if (fraction < nextKeyframe.getFraction()) {
            final Interpolator /*Time*/
            interpolator = nextKeyframe.getInterpolator();
            if (interpolator != null) {
                fraction = interpolator.getInterpolation(fraction);
            }
            final float prevFraction = prevKeyframe.getFraction();
            float intervalFraction = (fraction - prevFraction) / (nextKeyframe.getFraction() - prevFraction);
            return mEvaluator.evaluate(intervalFraction, prevKeyframe.getValue(), nextKeyframe.getValue());
        }
        prevKeyframe = nextKeyframe;
    }
    // shouldn't reach here
    return mLastKeyframe.getValue();
}