Java ValueAnimator.start方法代码示例

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
/**
 * 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();
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (ev.getAction() == MotionEvent.ACTION_UP) {
        // 恢复高度
        final ValueAnimator animator = ValueAnimator.ofInt(parallaxImageView.getHeight(), originalHeight);
        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator valueAnimator) {
                Integer animateValue = (Integer) animator.getAnimatedValue();
                // 给 ImageView 设置值
                parallaxImageView.getLayoutParams().height = animateValue;
                parallaxImageView.requestLayout();
            }
        });
        animator.setInterpolator(new OvershootInterpolator()); // 弹性差值器
        animator.setDuration(450);
        animator.start();
    }
    return super.onTouchEvent(ev);
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
private void startAnimation() {
    ValueAnimator animator = ValueAnimator.ofFloat(new float[]{1.0f});
    ArrayList<NameValuesHolder> nameValueList = (ArrayList) this.mPendingAnimations.clone();
    this.mPendingAnimations.clear();
    int propertyMask = 0;
    for (int i = 0; i < nameValueList.size(); i++) {
        propertyMask |= ((NameValuesHolder) nameValueList.get(i)).mNameConstant;
    }
    this.mAnimatorMap.put(animator, new PropertyBundle(propertyMask, nameValueList));
    animator.addUpdateListener(this.mAnimatorEventListener);
    animator.addListener(this.mAnimatorEventListener);
    if (this.mStartDelaySet) {
        animator.setStartDelay(this.mStartDelay);
    }
    if (this.mDurationSet) {
        animator.setDuration(this.mDuration);
    }
    if (this.mInterpolatorSet) {
        animator.setInterpolator(this.mInterpolator);
    }
    animator.start();
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
@Override
public List<Animator> createAnimation() {
    List<Animator> animators=new ArrayList<>();
    long[] delays=new long[]{400,200,0,200,400};
    for (int i = 0; i < 5; i++) {
        final int index=i;
        ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.4f,1);
        scaleAnim.setDuration(1000);
        scaleAnim.setRepeatCount(-1);
        scaleAnim.setStartDelay(delays[i]);
        scaleAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                scaleYFloats[index] = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });
        scaleAnim.start();
        animators.add(scaleAnim);
    }
    return animators;
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
@Override
public List<Animator> createAnimation() {
    List<Animator> animators=new ArrayList<>();

    int[] durations={960, 930, 1190, 1130, 1340, 940, 1200, 820, 1190};
    int[] delays= {360, 400, 680, 410, 710, -150, -120, 10, 320};

    for (int i = 0; i < 9; i++) {
        final int index=i;
        ValueAnimator alphaAnim=ValueAnimator.ofInt(255, 168,255);
        alphaAnim.setDuration(durations[i]);
        alphaAnim.setRepeatCount(-1);
        alphaAnim.setStartDelay(delays[i]);
        alphaAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                alphas[index] = (int) animation.getAnimatedValue();
                postInvalidate();
            }
        });
        alphaAnim.start();
        animators.add(alphaAnim);
    }
    return animators;
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
@Override
public List<Animator> createAnimation() {
    List<Animator> animators=new ArrayList<>();
    int[] delays=new int[]{120,240,360};
    for (int i = 0; i < 3; i++) {
        final int index=i;
        
        ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
        
        scaleAnim.setDuration(750);
        scaleAnim.setRepeatCount(-1);
        scaleAnim.setStartDelay(delays[i]);
        
        scaleAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                scaleFloats[index] = (float) animation.getAnimatedValue();
                postInvalidate();

            }
        });
        scaleAnim.start();
        animators.add(scaleAnim);
    }
    return animators;
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
public void collapseView(final View view) {
    ValueAnimator animator = ValueAnimator.ofFloat(1, 0);
    animator.setInterpolator(new DecelerateInterpolator());
    animator.setDuration(200);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {



            ViewHelper.setRotation(view,180 * (float) (animation.getAnimatedValue()));

            view.postInvalidate();
        }
    });
    animator.start();

}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
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();
    }
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
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();
    }
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
/**
 * 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();
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
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();
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
@Override
public List<Animator> createAnimation() {
    List<Animator> animators=new ArrayList<>();
    long[] delays=new long[]{500,250,0,250,500};
    for (int i = 0; i < 5; i++) {
        final int index=i;
        ValueAnimator scaleAnim=ValueAnimator.ofFloat(1,0.3f,1);
        scaleAnim.setDuration(900);
        scaleAnim.setRepeatCount(-1);
        scaleAnim.setStartDelay(delays[i]);
        scaleAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                scaleYFloats[index] = (float) animation.getAnimatedValue();
                postInvalidate();
            }
        });
        scaleAnim.start();
        animators.add(scaleAnim);
    }
    return animators;
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
private void moveToolbar(float toTranslationY) {
    if (ViewHelper.getTranslationY(mToolbar) == toTranslationY) {
        return;
    }
    ValueAnimator animator = ValueAnimator.ofFloat(ViewHelper.getTranslationY(mToolbar), toTranslationY).setDuration(200);
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float translationY = (float) animation.getAnimatedValue();
            ViewHelper.setTranslationY(mToolbar, translationY);
            ViewHelper.setTranslationY((View) mScrollable, translationY);
            FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) ((View) mScrollable).getLayoutParams();
            lp.height = (int) -translationY + getScreenHeight() - lp.topMargin;
            ((View) mScrollable).requestLayout();
        }
    });
    animator.start();
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
/**
 * 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();
}
 

import com.nineoldandroids.animation.ValueAnimator; //导入方法依赖的package包/类
/**
 * 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();
    }

}