Example usage for android.animation ValueAnimator getAnimatedValue

Introduction

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

Prototype

public Object getAnimatedValue() 

Source Link

Document

The most recent value calculated by this ValueAnimator when there is just one property being animated.

Usage

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
 *///  w  w w  .ja v  a2  s  .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.alimuzaffar.lib.pin.PinEntryEditText.java

private void animateBottomUp(CharSequence text, final int start) {
    mCharBottom[start] = mLineCoords[start].bottom - mTextBottomPadding;
    ValueAnimator animUp = ValueAnimator.ofFloat(mCharBottom[start] + getPaint().getTextSize(),
            mCharBottom[start]);/*from   ww  w  .j  ava2s  .c om*/
    animUp.setDuration(300);
    animUp.setInterpolator(new OvershootInterpolator());
    animUp.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            Float value = (Float) animation.getAnimatedValue();
            mCharBottom[start] = value;
            PinEntryEditText.this.invalidate();
        }
    });

    mLastCharPaint.setAlpha(255);
    ValueAnimator animAlpha = ValueAnimator.ofInt(0, 255);
    animAlpha.setDuration(300);
    animAlpha.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            Integer value = (Integer) animation.getAnimatedValue();
            mLastCharPaint.setAlpha(value);
        }
    });

    AnimatorSet set = new AnimatorSet();
    if (text.length() == mMaxLength && mOnPinEnteredListener != null) {
        set.addListener(new Animator.AnimatorListener() {

            @Override
            public void onAnimationStart(Animator animation) {
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                mOnPinEnteredListener.onPinEntered(getText());
            }

            @Override
            public void onAnimationCancel(Animator animation) {
            }

            @Override
            public void onAnimationRepeat(Animator animation) {

            }
        });
    }
    set.playTogether(animUp, animAlpha);
    set.start();
}

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From source file:com.example.waitou.rxjava.LoadingView.java

/**
 * build FlexibleAnimation to control the progress
 *
 * @return Animatorset for control the progress
 *///w w  w. jav a  2s .  c o  m
private AnimatorSet buildFlexibleAnimation() {
    final Ring ring = mRing;
    AnimatorSet set = new AnimatorSet();
    ValueAnimator increment = ValueAnimator.ofFloat(0, MAX_PROGRESS_ARC - MIN_PROGRESS_ARC)
            .setDuration(ANIMATOR_DURATION / 2);
    increment.setInterpolator(new LinearInterpolator());
    increment.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float sweeping = ring.sweeping;
            final float value = (float) animation.getAnimatedValue();
            ring.sweep = sweeping + value;
            invalidate();
        }
    });
    increment.addListener(animatorListener);
    ValueAnimator reduce = ValueAnimator.ofFloat(0, MAX_PROGRESS_ARC - MIN_PROGRESS_ARC)
            .setDuration(ANIMATOR_DURATION / 2);
    reduce.setInterpolator(interpolator);
    reduce.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float sweeping = ring.sweeping;
            float starting = ring.starting;
            float value = (float) animation.getAnimatedValue();
            ring.sweep = sweeping - value;
            ring.start = starting + value;
        }
    });
    set.play(reduce).after(increment);
    return set;
}

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From source file:com.nshmura.recyclertablayout.RecyclerTabLayout.java

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
protected void startAnimation(final int position) {

    float distance = 1;

    View view = mLinearLayoutManager.findViewByPosition(position);
    if (view != null) {
        float currentX = view.getX() + view.getMeasuredWidth() / 2.f;
        float centerX = getMeasuredWidth() / 2.f;
        distance = Math.abs(centerX - currentX) / view.getMeasuredWidth();
    }//www  .j a  va 2  s .  c om

    ValueAnimator animator;
    if (position < mIndicatorPosition) {
        animator = ValueAnimator.ofFloat(distance, 0);
    } else {
        animator = ValueAnimator.ofFloat(-distance, 0);
    }
    animator.setDuration(DEFAULT_SCROLL_DURATION);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            scrollToTab(position, (float) animation.getAnimatedValue(), true);
        }
    });
    animator.start();
}

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From source file:com.geecko.QuickLyric.adapter.IntroScreenSlidePagerAdapter.java

public IntroScreenSlidePagerAdapter(FragmentManager fm, final Activity activity) {
    super(fm);//from   w  w w .j  ava  2  s.  c o  m
    this.mActivity = activity;
    mPager = ((ViewPager) mActivity.findViewById(R.id.pager));
    mPager.setOnTouchListener(exitTouchListener);
    if (Build.VERSION.SDK_INT >= 17)
        rightToLeft = TextUtils.getLayoutDirectionFromLocale(Locale.getDefault()) == 1;
    if (rightToLeft) {
        List<Integer> list = Arrays.asList(colors);
        Collections.reverse(list);
        colors = (Integer[]) list.toArray();
    }
    ImageButton pagerArrow = ((ImageButton) mActivity.findViewById(R.id.pager_arrow));
    Button okButton = ((Button) mActivity.findViewById(R.id.pager_ok));
    okButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && !Tutorial_5.nlEnabled) {
                final ViewGroup nlFrame = (ViewGroup) activity.findViewById(R.id.NL_frame);
                final ValueAnimator colorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(),
                        Color.parseColor("#30000000"), Color.parseColor("#80FFFFFF"));
                colorAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                    @Override
                    public void onAnimationUpdate(ValueAnimator animation) {
                        nlFrame.setBackgroundColor((int) animation.getAnimatedValue());
                    }
                });
                colorAnimation.setInterpolator(new LinearOutSlowInInterpolator());
                colorAnimation.setRepeatCount(3);
                colorAnimation.setRepeatMode(ValueAnimator.REVERSE);
                colorAnimation.setDuration(650L);
                colorAnimation.start();
            } else if (!hasClicked) {
                exitAction();
                hasClicked = true;
            }
        }
    });
    pagerArrow.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            nextAction();
        }
    });
}

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From source file:com.viewpagerindicator.TabMovablePageIndicator.java

private void animateScrollWithIndicator(TabView tabView) {
    int scrollPos = tabView.getLeft() - (getWidth() - tabView.getWidth()) / 2;

    AnimatorSet as = new AnimatorSet();
    as.setDuration(300);//w ww .ja v  a 2 s  .  co  m

    ArrayList<Animator> animations = new ArrayList<Animator>();

    // scroll
    ObjectAnimator animScrollX = ObjectAnimator.ofInt(TabMovablePageIndicator.this, "scrollX", scrollPos);
    animScrollX.setInterpolator(new AccelerateDecelerateInterpolator());
    animations.add(animScrollX);

    // indicator position
    int left = tabView.getLeft();
    //      int width = tabView.getWidth();
    int textWidth = tabView.wordWidth;
    //      int x = left + (width - textWidth) / 2 - mExtendWidth * 2;
    //      x = x < 0 ? 0 : x;

    ObjectAnimator translateXAnim = ObjectAnimator.ofFloat(mIndicator, "translationX", left);
    translateXAnim.setInterpolator(new OvershootInterpolator(0.8f));
    animations.add(translateXAnim);

    // indicator width
    ValueAnimator animWidth = ValueAnimator.ofInt(mIndicator.getLayoutParams().width,
            textWidth + mExtendWidth * 2);
    animWidth.addUpdateListener(new AnimatorUpdateListener() {

        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mIndicator.getLayoutParams();
            lp.width = (Integer) animation.getAnimatedValue();

            mIndicator.setLayoutParams(lp);
            requestLayout();
        }
    });
    animations.add(animWidth);

    as.playTogether(animations);
    as.start();
}

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

/**
 * Perform header view shrink back animation
 * @param from animation start Y px/* www. jav  a2 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.lixplor.rocketpulltorefresh.RefreshLayout.java

/**
 * Perform footer view shrink back animation
 * @param from animation start Y px//  w  w  w  . j  av  a 2  s.c  o 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.tomeokin.widget.jotablayout2.JoTabLayout.java

@Override
public void onAnimationUpdate(ValueAnimator animation) {
    View currentTabView = getChildAt(mCurrentTab);
    IndicatorPoint p = (IndicatorPoint) animation.getAnimatedValue();
    mIndicatorAnimOffset = (int) p.left - currentTabView.getLeft();
    invalidate();// w w w  .j a  v a  2s. c  om
}

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From source file:ch.gianulli.flashcards.ui.Flashcard.java

private void expandButtonBar() {
    mButtonBarShowing = true;// w  w  w . j  a v  a  2  s.c o  m

    mButtonBar.setVisibility(View.VISIBLE);
    mButtonBar.setAlpha(0.0f);

    final int startingHeight = mCardView.getHeight();

    final ViewTreeObserver observer = mCardView.getViewTreeObserver();
    observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
        @Override
        public boolean onPreDraw() {
            // We don't want to continue getting called for every listview drawing.
            if (observer.isAlive()) {
                observer.removeOnPreDrawListener(this);
            }

            final int endingHeight = mCardView.getHeight();
            final int distance = endingHeight - startingHeight;

            mCardView.getLayoutParams().height = startingHeight;

            mCardView.requestLayout();

            ValueAnimator heightAnimator = ValueAnimator.ofFloat(0f, 1f).setDuration(300);

            heightAnimator.setInterpolator(new DecelerateInterpolator());
            heightAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                @Override
                public void onAnimationUpdate(ValueAnimator animator) {
                    Float value = (Float) animator.getAnimatedValue();
                    mCardView.getLayoutParams().height = (int) (value * distance + startingHeight);
                    mCardView.requestLayout();
                }
            });
            heightAnimator.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mCardView.getLayoutParams().height = ViewGroup.LayoutParams.WRAP_CONTENT;
                }
            });

            mButtonBar.setLayerType(View.LAYER_TYPE_HARDWARE, null);
            ObjectAnimator alphaAnimator = ObjectAnimator.ofFloat(mButtonBar, "alpha", 0.0f, 1.0f);
            alphaAnimator.setInterpolator(new DecelerateInterpolator());
            alphaAnimator.setDuration(300);
            alphaAnimator.setStartDelay(100);

            AnimatorSet set = new AnimatorSet();
            set.playTogether(heightAnimator, alphaAnimator);
            set.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mButtonBar.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
                }
            });

            set.start();

            return false;
        }
    });
}

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