Java Code Examples for com.nineoldandroids.animation.ValueAnimator#start()

protected void performDismiss(final PendingDismissData data) {
    // Animate the dismissed list item to zero-height and fire the
    // dismiss callback when all dismissed list item animations have
    // completed.

    final ViewGroup.LayoutParams lp = data.view.getLayoutParams();
    final int originalHeight = data.view.getHeight();

    ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime);

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(final ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            data.view.setLayoutParams(lp);
        }
    });

    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(final Animator animation) {
            finalizeDismiss();
        }
    });
    animator.start();
}
 

protected void performDismiss(final PendingDismissData data) {
    // Animate the dismissed list item to zero-height and fire the
    // dismiss callback when all dismissed list item animations have
    // completed.

    final ViewGroup.LayoutParams lp = data.view.getLayoutParams();
    final int originalHeight = data.view.getHeight();

    ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime);

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(final ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            data.view.setLayoutParams(lp);
        }
    });

    animator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(final Animator animation) {
            finalizeDismiss();
        }
    });
    animator.start();
}
 

private void animateToolbar(final float toY) {
    float layoutTranslationY = ViewHelper.getTranslationY(mInterceptionLayout);
    if (layoutTranslationY != toY) {
        ValueAnimator animator = ValueAnimator.ofFloat(ViewHelper.getTranslationY(mInterceptionLayout), toY).setDuration(200);
        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float translationY = (float) animation.getAnimatedValue();
                View toolbarView = getActivity().findViewById(R.id.toolbar);
                ViewHelper.setTranslationY(mInterceptionLayout, translationY);
                ViewHelper.setTranslationY(toolbarView, translationY);
                if (translationY < 0) {
                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mInterceptionLayout.getLayoutParams();
                    lp.height = (int) (-translationY + getScreenHeight());
                    mInterceptionLayout.requestLayout();
                }
            }
        });
        animator.start();
    }
}
 

private void performRemovalIfNecessary() {
    if (mCurrentRemovedId == -1) {
        return;
    }

    ContextualUndoView currentRemovedView = getCurrentRemovedView(mCurrentRemovedView, mCurrentRemovedId);
    if (currentRemovedView != null) {
        ValueAnimator animator = ValueAnimator.ofInt(currentRemovedView.getHeight(), 1).setDuration(ANIMATION_DURATION);

        RemoveViewAnimatorListenerAdapter listener = new RemoveViewAnimatorListenerAdapter(currentRemovedView, mCurrentRemovedId);
        RemoveViewAnimatorUpdateListener updateListener = new RemoveViewAnimatorUpdateListener(listener);

        animator.addListener(listener);
        animator.addUpdateListener(updateListener);
        animator.start();
    } else {
        // The hard way.
        deleteItemGivenId(mCurrentRemovedId);
    }
    clearCurrentRemovedView();
}
 

/**
 * Starts the underlying Animator for a set of properties. We use a single animator that
 * simply runs from 0 to 1, and then use that fractional value to set each property
 * value accordingly.
 */
private void startAnimation() {
    ValueAnimator animator = ValueAnimator.ofFloat(1.0f);
    ArrayList<NameValuesHolder> nameValueList =
            (ArrayList<NameValuesHolder>) mPendingAnimations.clone();
    mPendingAnimations.clear();
    int propertyMask = 0;
    int propertyCount = nameValueList.size();
    for (int i = 0; i < propertyCount; ++i) {
        NameValuesHolder nameValuesHolder = nameValueList.get(i);
        propertyMask |= nameValuesHolder.mNameConstant;
    }
    mAnimatorMap.put(animator, new PropertyBundle(propertyMask, nameValueList));
    animator.addUpdateListener(mAnimatorEventListener);
    animator.addListener(mAnimatorEventListener);
    if (mStartDelaySet) {
        animator.setStartDelay(mStartDelay);
    }
    if (mDurationSet) {
        animator.setDuration(mDuration);
    }
    if (mInterpolatorSet) {
        animator.setInterpolator(mInterpolator);
    }
    animator.start();
}
 

private void onFlagChanged(final CardFlag oldFlag, final CardFlag newFlag) {
	int flagColor = CARD_BACKGROUND_COLOR_NOFLAG;
	if (newFlag != null) {
		flagColor = newFlag.getColor();
	}
	
	ValueAnimator fade = ObjectAnimator.ofInt(mCardPaint,
			"color", mCardPaint.getColor(), flagColor);
	fade.setDuration(500);
	fade.setEvaluator(new ArgbEvaluator());
	fade.addUpdateListener(new AnimatorUpdateListener() {
		@Override
		public void onAnimationUpdate(ValueAnimator value) {
			onFlagChangedUpdate(oldFlag, newFlag, value);
			invalidate();
		}
	});
	
	fade.start();
}
 

private void animateToolbar(final float toY) {
    float layoutTranslationY = ViewHelper.getTranslationY(mInterceptionLayout);
    if (layoutTranslationY != toY) {
        ValueAnimator animator = ValueAnimator.ofFloat(ViewHelper.getTranslationY(mInterceptionLayout), toY).setDuration(200);
        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float translationY = (float) animation.getAnimatedValue();
                ViewHelper.setTranslationY(mInterceptionLayout, translationY);
                if (translationY < 0) {
                    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mInterceptionLayout.getLayoutParams();
                    lp.height = (int) (-translationY + getScreenHeight());
                    mInterceptionLayout.requestLayout();
                }
            }
        });
        animator.start();
    }
}
 

/**
 * Internal void to start the rectangle animation.
 * <p>
 * when this void is called the space at the top of the rectangle would be
 * updated by a {@link ValueAnimator} and then it will call the {@link View}
 * 's invalidate() void witch calls the onDraw void each time so a bigger
 * rectangle would be drawn each time till the it the rectangles height is
 * enough
 * </p>
 */
private void animateRect() {
	ValueAnimator va = ValueAnimator.ofInt(rect_space_top / 2,
			screen_height / 2);
	va.setDuration(500);
	va.addListener(this);
	va.setInterpolator(new DecelerateInterpolator());
	va.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
		public void onAnimationUpdate(ValueAnimator animation) {
			int value = ((int) animation.getAnimatedValue()) * 2;
			int rect_top = -((value - rect_space_top) - screen_height);
			rect.top = rect_top;
			invalidate();
		}
	});
	va.start();
}
 

/**
 * Internal void to start the circles animation.
 * <p>
 * when this void is called the circles radius would be updated by a
 * {@link ValueAnimator} and then it will call the {@link View}'s
 * invalidate() void witch calls the onDraw void each time so a bigger
 * circle would be drawn each time till the cirlce's fill the whole screen.
 * </p>
 */
private void animateCirlce() {
	if (circles_fill_type == CIRLCES_FILL_HEIGHT_TYPE) {
		circle_max_radius = screen_height + (screen_height / 4);
	} else {
		circle_max_radius = screen_width + (screen_width / 4);
	}
	ValueAnimator va = ValueAnimator.ofInt(0, circle_max_radius / 3);
	va.setDuration(1000);
	va.addListener(this);
	va.setInterpolator(new AccelerateInterpolator());
	va.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
		public void onAnimationUpdate(ValueAnimator animation) {
			int value = (int) animation.getAnimatedValue();
			circle_radius = value * 3;
			invalidate();
		}
	});
	va.start();
}
 

/**
 * 隐藏下拉刷新控件，带动画
 */
private void hiddenRefreshHeaderView() {
    ValueAnimator animator = ValueAnimator.ofInt(mWholeHeaderView.getPaddingTop(), mMinWholeHeaderViewPaddingTop);
    animator.setDuration(mRefreshViewHolder.getTopAnimDuration());
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            int paddingTop = (int) animation.getAnimatedValue();
            mWholeHeaderView.setPadding(0, paddingTop, 0, 0);
        }
    });
    animator.start();
}
 

/**
 * Animates the dismissed list item to zero-height and fires the dismiss callback when all dismissed list item animations have completed.
 *
 * @param view the dismissed {@link android.view.View}.
 */
protected void performDismiss(@NonNull final View view, final int position) {
    mDismissedViews.add(view);
    mDismissedPositions.add(position);

    ValueAnimator animator = ValueAnimator.ofInt(view.getHeight(), 1).setDuration(mDismissAnimationTime);
    animator.addUpdateListener(new DismissAnimatorUpdateListener(view));
    animator.addListener(new DismissAnimatorListener());
    animator.start();

    mActiveDismissCount++;
}
 

public static void animateExpanding(final View view, final AbsListView listView) {
    view.setVisibility(View.VISIBLE);

    View parent = (View) view.getParent();
    final int widthSpec = View.MeasureSpec.makeMeasureSpec(parent.getMeasuredWidth() - parent.getPaddingLeft() - parent.getPaddingRight(), View.MeasureSpec.AT_MOST);
    final int heightSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
    view.measure(widthSpec, heightSpec);

    ValueAnimator animator = createHeightAnimator(view, 0, view.getMeasuredHeight());
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        final int listViewHeight = listView.getHeight();
        final int listViewBottomPadding = listView.getPaddingBottom();
        final View v = findDirectChild(view, listView);

        @Override
        public void onAnimationUpdate(final ValueAnimator valueAnimator) {
            final int bottom = v.getBottom();
            if (bottom > listViewHeight) {
                final int top = v.getTop();
                if (top > 0) {
                    listView.smoothScrollBy(Math.min(bottom - listViewHeight + listViewBottomPadding, top), 0);
                }
            }
        }
    });
    animator.start();
}
 

/**
 * Perform dismiss action
 *
 * @param dismissView     View
 * @param dismissPosition Position of list
 */
protected void performDismiss(final View dismissView, final int dismissPosition, boolean doPendingDismiss) {
    final ViewGroup.LayoutParams lp = dismissView.getLayoutParams();
    final int originalHeight = dismissView.getHeight();

    ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(animationTime);

    if (doPendingDismiss) {
        animator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                --dismissAnimationRefCount;
                if (dismissAnimationRefCount == 0) {
                    removePendingDismisses(originalHeight);
                }
            }
        });
    }

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator valueAnimator) {
            lp.height = (Integer) valueAnimator.getAnimatedValue();
            dismissView.setLayoutParams(lp);
        }
    });

    pendingDismisses.add(new PendingDismissData(dismissPosition, dismissView));
    animator.start();
}
 

public void startChangeWholeHeaderViewPaddingTop(int distance) {
    ValueAnimator animator = ValueAnimator.ofInt(mWholeHeaderView.getPaddingTop(), mWholeHeaderView.getPaddingTop() - distance);
    animator.setDuration(mRefreshViewHolder.getTopAnimDuration());
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            int paddingTop = (int) animation.getAnimatedValue();
            mWholeHeaderView.setPadding(0, paddingTop, 0, 0);
        }
    });
    animator.start();
}
 

private void a()
{
    ValueAnimator valueanimator = ValueAnimator.ofFloat(new float[] {
        1.0F
    });
    ArrayList arraylist = (ArrayList)a.clone();
    a.clear();
    int i1 = arraylist.size();
    int j1 = 0;
    int k1 = 0;
    do
    {
        if (j1 >= i1)
        {
            x.put(valueanimator, new f(k1, arraylist));
            valueanimator.addUpdateListener(j);
            valueanimator.addListener(j);
            if (f)
            {
                valueanimator.setStartDelay(e);
            }
            if (d)
            {
                valueanimator.setDuration(c);
            }
            if (h)
            {
                valueanimator.setInterpolator(g);
            }
            valueanimator.start();
            return;
        }
        k1 |= ((e)arraylist.get(j1)).a;
        j1++;
    } while (true);
}
 

/**
 * When next item show in ViewPagerEx, let's make an animation to show the
 * description layout.
 * @param view
 */
@Override
public void onNextItemAppear(View view) {

    View descriptionLayout = view.findViewById(R.id.description_layout);
    if(descriptionLayout!=null){
        float layoutY = ViewHelper.getY(descriptionLayout);
        view.findViewById(R.id.description_layout).setVisibility(View.VISIBLE);
        ValueAnimator animator = ObjectAnimator.ofFloat(
                descriptionLayout,"y",layoutY + descriptionLayout.getHeight(),
                layoutY).setDuration(500);
        animator.start();
    }

}
 

private void performDismiss() {
	// Animate the dismissed view to zero-height and then fire the dismiss
	// callback.
	// This triggers layout on each animation frame; in the future we may
	// want to do something
	// smarter and more performant.

	final ViewGroup.LayoutParams lp = mView.getLayoutParams();
	final int originalHeight = mView.getHeight();

	ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1)
			.setDuration(mAnimationTime);

	animator.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
			mCallback.onDismiss(mView, mToken);
			// Reset view presentation
			setAlpha(mView, 1f);
			ViewHelper.setTranslationX(mView, 0);
			// mView.setAlpha(1f);
			// mView.setTranslationX(0);
			lp.height = originalHeight;
			mView.setLayoutParams(lp);
		}
	});

	animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
		@Override
		public void onAnimationUpdate(ValueAnimator valueAnimator) {
			lp.height = (Integer) valueAnimator.getAnimatedValue();
			mView.setLayoutParams(lp);
		}
	});

	animator.start();
}
 

private void performRemovalIfNecessary() {
	if (mCurrentRemovedView != null && mCurrentRemovedView.getParent() != null) {
		ValueAnimator animator = ValueAnimator.ofInt(mCurrentRemovedView.getHeight(), 1).setDuration(ANIMATION_DURATION);
		animator.addListener(new RemoveViewAnimatorListenerAdapter(mCurrentRemovedView));
		animator.addUpdateListener(new RemoveViewAnimatorUpdateListener(mCurrentRemovedView));
		animator.start();
		mActiveAnimators.put(mCurrentRemovedView, animator);
		clearCurrentRemovedView();
	}
}
 

/**
 * When next item show in ViewPagerEx, let's make an animation to show the
 * description layout.
 * @param view
 */
@Override
public void onNextItemAppear(View view) {

    View descriptionLayout = view.findViewById(R.id.description_layout);
    if(descriptionLayout!=null){
        float layoutY = ViewHelper.getY(descriptionLayout);
        view.findViewById(R.id.description_layout).setVisibility(View.VISIBLE);
        ValueAnimator animator = ObjectAnimator.ofFloat(
                descriptionLayout,"y",layoutY + descriptionLayout.getHeight(),
                layoutY).setDuration(500);
        animator.start();
    }

}
 

private void smoothScrollTo(int destHeight) {
    ValueAnimator animator = ValueAnimator.ofInt(getVisibleHeight(), destHeight);
    animator.setDuration(300).start();
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            setVisibleHeight((int) animation.getAnimatedValue());
        }
    });
    animator.start();
}