Example usage for android.animation ValueAnimator ValueAnimator

Introduction

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

Prototype

public ValueAnimator() 

Source Link

Document

Creates a new ValueAnimator object.

Usage

From source file:com.jaydenxiao.androidfire.ui.zone.widget.ExpandableTextView.java

/**
 * /*w w w. jav  a2 s .  c  om*/
 * @param view
 */
@Override
public void onClick(View view) {
    if (mTvExpandCollapse.getVisibility() != View.VISIBLE) {
        return;
    }
    mCollapsed = !mCollapsed;
    ///?
    if (showExpandCollapseDrawable) {
        mTvExpandCollapse.setCompoundDrawablesWithIntrinsicBounds(null, null,
                mCollapsed ? mExpandDrawable : mCollapseDrawable, null);
    }
    mTvExpandCollapse.setText(
            mCollapsed ? getResources().getString(R.string.expand) : getResources().getString(R.string.shink));
    //???
    if (mCollapsedStatus != null) {
        mCollapsedStatus.put(mPosition, mCollapsed);
    }
    // /
    mAnimating = true;
    ValueAnimator valueAnimator;
    if (mCollapsed) {
        //            mTvContent.setMaxLines(mMaxCollapsedLines);
        valueAnimator = new ValueAnimator().ofInt(getHeight(), mCollapsedHeight);
    } else {
        valueAnimator = new ValueAnimator().ofInt(getHeight(),
                getHeight() + mTextHeightWithMaxLines - mTvContent.getHeight());
    }
    valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            int animatedValue = (int) valueAnimator.getAnimatedValue();
            mTvContent.setMaxHeight(animatedValue - mMarginBetweenTxtAndBottom);
            getLayoutParams().height = animatedValue;
            requestLayout();
        }
    });
    valueAnimator.addListener(new Animator.AnimatorListener() {
        @Override
        public void onAnimationStart(Animator animator) {

        }

        @Override
        public void onAnimationEnd(Animator animator) {
            // ??????
            /// clear the animation flag
            mAnimating = false;
            // notify the listener
            if (mListener != null) {
                mListener.onExpandStateChanged(mTvContent, !mCollapsed);
            }
        }

        @Override
        public void onAnimationCancel(Animator animator) {

        }

        @Override
        public void onAnimationRepeat(Animator animator) {

        }
    });
    valueAnimator.setDuration(mAnimationDuration);
    valueAnimator.start();
}

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From source file:com.waz.zclient.utils.ViewUtils.java

public static void fadeInView(@Nullable final View view) {
    fadeInView(view, 1, new ValueAnimator().getDuration(), 0);
}

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From source file:com.waz.zclient.utils.ViewUtils.java

public static void fadeOutView(@Nullable final View view, boolean setToGoneWithEndAction) {
    fadeOutView(view, new ValueAnimator().getDuration(), 0, setToGoneWithEndAction);
}

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From source file:bottombar.BottomBarTab.java

private void animateColors(int previousColor, int color) {
    ValueAnimator anim = new ValueAnimator();
    anim.setIntValues(previousColor, color);
    anim.setEvaluator(new ArgbEvaluator());
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override/*from ww w  .ja v a2s . c  o m*/
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            setColors((Integer) valueAnimator.getAnimatedValue());
        }
    });

    anim.setDuration(150);
    anim.start();
}

---

From source file:com.lixplor.rocketpulltorefresh.RefreshLayout.java

/**
 * Perform header view shrink back animation
 * @param from animation start Y px/*w  w w.j  a  v  a 2  s  .c  o m*/
 * @param to animation stop Y px
 */
private void animHeader(int from, final int to) {
    if (mHeaderBackAnimator == null) {
        mHeaderBackAnimator = new ValueAnimator();
        mHeaderBackAnimator.setDuration(mBackAnimDuration);
        mHeaderBackAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                int destY = (int) animation.getAnimatedValue();
                scrollTo(0, destY);
                if (destY == 0) {
                    // when back finished, reset header
                    mCurrentState = STATE_PULL_DOWN_TO_REFRESH;
                    mAbsHeader.reset();
                }
            }
        });
        mHeaderBackAnimator.setTarget(this);
    }
    mHeaderBackAnimator.setIntValues(from, to);
    mHeaderBackAnimator.start();
}

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From source file:com.advaitaworld.widgets.SlidingTabLayout.java

private void updateTitleColors(int prevSelectedPosition, int newSelectedPosition) {
    if (mSelectedTabColor == 0 && mDefaultTabColor == 0) {
        return;/*from w  ww .  ja v  a  2 s .co  m*/
    }
    View tabViewPrev = mTabStrip.getChildAt(prevSelectedPosition);
    View tabViewNew = mTabStrip.getChildAt(newSelectedPosition);
    final TextView tabTitlePrev = getTabTitleView(tabViewPrev);
    final TextView tabTitleNew = getTabTitleView(tabViewNew);

    ArgbEvaluator evaluator = new ArgbEvaluator();
    ValueAnimator anim1 = new ValueAnimator();
    anim1.setIntValues(mDefaultTabColor, mSelectedTabColor);
    anim1.setEvaluator(evaluator);
    anim1.setDuration(300);
    anim1.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            tabTitleNew.setTextColor((Integer) valueAnimator.getAnimatedValue());
        }
    });

    ValueAnimator anim2 = new ValueAnimator();
    anim2.setIntValues(mSelectedTabColor, mDefaultTabColor);
    anim2.setEvaluator(evaluator);
    anim2.setDuration(300);
    anim2.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            tabTitlePrev.setTextColor((Integer) valueAnimator.getAnimatedValue());
        }
    });

    anim1.start();
    anim2.start();
}

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From source file:com.lixplor.rocketpulltorefresh.RefreshLayout.java

/**
 * Perform footer view shrink back animation
 * @param from animation start Y px//w w w  . ja  v  a2 s .co m
 * @param to animation stop Y px
 */
private void animFooter(int from, int to) {
    if (mFooterBackAnimator == null) {
        mFooterBackAnimator = new ValueAnimator();
        mFooterBackAnimator.setDuration(mBackAnimDuration);
        mFooterBackAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                int destY = (int) animation.getAnimatedValue();
                scrollTo(0, destY);
                if (destY == 0) {
                    // when back finished, reset footer
                    mCurrentState = STATE_PULL_UP_TO_LOAD;
                    mAbsFooter.reset();
                }
            }
        });
        mFooterBackAnimator.setTarget(this);
    }
    mFooterBackAnimator.setIntValues(from, to);
    mFooterBackAnimator.start();
}

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From source file:com.commonsware.cwac.crossport.design.widget.FloatingActionButtonImpl.java

private ValueAnimator createAnimator(@NonNull ShadowAnimatorImpl impl) {
    final ValueAnimator animator = new ValueAnimator();
    animator.setInterpolator(ANIM_INTERPOLATOR);
    animator.setDuration(PRESSED_ANIM_DURATION);
    animator.addListener(impl);/*from  www  .  jav a 2s  .com*/
    animator.addUpdateListener(impl);
    animator.setFloatValues(0, 1);
    return animator;
}

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From source file:org.odk.collect.android.views.ODKView.java

public void highlightWidget(FormIndex formIndex) {
    QuestionWidget qw = getQuestionWidget(formIndex);

    if (qw != null) {
        // postDelayed is needed because otherwise scrolling may not work as expected in case when
        // answers are validated during form finalization.
        new Handler().postDelayed(() -> {
            findViewById(R.id.odk_view_container).scrollTo(0, qw.getTop());

            ValueAnimator va = new ValueAnimator();
            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
                va.setIntValues(getResources().getColor(R.color.red_500), getDrawingCacheBackgroundColor());
            } else {
                // Avoid fading to black on certain devices and Android versions that may not support transparency
                TypedValue typedValue = new TypedValue();
                getContext().getTheme().resolveAttribute(android.R.attr.windowBackground, typedValue, true);
                if (typedValue.type >= TypedValue.TYPE_FIRST_COLOR_INT
                        && typedValue.type <= TypedValue.TYPE_LAST_COLOR_INT) {
                    va.setIntValues(getResources().getColor(R.color.red_500), typedValue.data);
                } else {
                    va.setIntValues(getResources().getColor(R.color.red_500), getDrawingCacheBackgroundColor());
                }/*from ww w  . j a v a  2 s  .  co m*/
            }

            va.setEvaluator(new ArgbEvaluator());
            va.addUpdateListener(
                    valueAnimator -> qw.setBackgroundColor((int) valueAnimator.getAnimatedValue()));
            va.setDuration(2500);
            va.start();
        }, 100);
    }
}

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From source file:io.digibyte.tools.animation.BRAnimator.java

public static void animateBackgroundDim(final ViewGroup backgroundLayout, boolean reverse) {
    int transColor = reverse ? R.color.black_trans : android.R.color.transparent;
    int blackTransColor = reverse ? android.R.color.transparent : R.color.black_trans;

    ValueAnimator anim = new ValueAnimator();
    anim.setIntValues(transColor, blackTransColor);
    anim.setEvaluator(new ArgbEvaluator());
    anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override//from   w  w w.ja  v  a 2 s.  c  om
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            backgroundLayout.setBackgroundColor((Integer) valueAnimator.getAnimatedValue());
        }
    });

    anim.setDuration(SLIDE_ANIMATION_DURATION);
    anim.start();
}

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