android.view.View#setAnimation ( )源码实例Demo

private void invalidateAfterUpdate() {
    View view = mView.get();
    if (view == null) {
        return;
    }
    View parent = (View)view.getParent();
    if (parent == null) {
        return;
    }

    view.setAnimation(this);

    final RectF after = mAfter;
    computeRect(after, view);
    after.union(mBefore);

    parent.invalidate(
            (int) FloatMath.floor(after.left),
            (int) FloatMath.floor(after.top),
            (int) FloatMath.ceil(after.right),
            (int) FloatMath.ceil(after.bottom));
}
 

private AnimatorProxy(View view)
{
    e = 1.0F;
    k = 1.0F;
    l = 1.0F;
    setDuration(0L);
    setFillAfter(true);
    view.setAnimation(this);
    b = new WeakReference(view);
}
 

/**缩放
 * @param view
 * @param from 缩放开始比例0-1.0
 * @param to 缩放结束比例0-1.0
 * @param w
 * @param h
 */
public static void setViewScale(View view, float from, float to, int w, int h) {
    if (isAnimation) {
        ScaleAnimation animation = new ScaleAnimation(from, to, from, to,
                w/2, h/2);
        animation.setDuration(200);
        animation.setFillAfter(true);
        view.clearAnimation();
        view.setAnimation(animation);
        animation = null;
        System.gc();
    }
}
 

protected void translatePreICS(View view, float f1)
{
    TranslateAnimation translateanimation = new TranslateAnimation(0.0F, 0.0F, f1, f1);
    translateanimation.setDuration(0L);
    translateanimation.setFillAfter(true);
    view.setAnimation(translateanimation);
    translateanimation.start();
}
 

public ViewAnimationSetBuilder add(View view, Animation animation) {
    views.add(view);
    pendingAnimations.add(animation);
    animation.setAnimationListener(this);
    view.setAnimation(animation);
    return this;
}
 

@Override
protected void translatePreICS(View view, float offset) {
	TranslateAnimation ta = new TranslateAnimation(0, 0, offset, offset);
	ta.setDuration(0);
	ta.setFillAfter(true);
	view.setAnimation(ta);
	ta.start();
}
 

@Override
protected void translatePreICS(View view, float offset) {
	TranslateAnimation ta = new TranslateAnimation(0, 0, offset, offset);
	ta.setDuration(0);
	ta.setFillAfter(true);
	view.setAnimation(ta);
	ta.start();
}
 

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public static void fadeOutAnimation(final View view, int duration) {

    Animation anim = new AlphaAnimation(1.0f, 0.0f);
    anim.setInterpolator(new AccelerateDecelerateInterpolator());
    anim.setDuration(duration);

    view.setAnimation(anim);
    view.setVisibility(View.GONE);
}
 

public static void scaleAnimateView(View view) {
    ScaleAnimation animation =
            new ScaleAnimation(
                    1.15f, 1, 1.15f, 1,
                    Animation.RELATIVE_TO_SELF, 0.5f,
                    Animation.RELATIVE_TO_SELF, 0.5f);

    view.setAnimation(animation);
    animation.setDuration(100);
    animation.start();
}
 

public static ApplozicAudioRecordAnimation wrap(View view) {
    ApplozicAudioRecordAnimation proxy = PROXIES.get(view);
    Animation animation = view.getAnimation();
    if (proxy == null || proxy != animation && animation != null) {
        proxy = new ApplozicAudioRecordAnimation(view);
        PROXIES.put(view, proxy);
    } else if (animation == null) {
        view.setAnimation(proxy);
    }
    return proxy;
}
 

private void getAnimation(View view, int start) {

        Animation fadeIn = new AlphaAnimation(0, 1);
        fadeIn.setStartOffset(start);
        // fadeIn.setDuration(600);
        // fadeIn.setRepeatCount(Animation.REVERSE);
        fadeIn.setRepeatCount(Animation.INFINITE);

        view.setAnimation(fadeIn);
    }
 

protected void translatePreICS(View view, float f)
{
    TranslateAnimation translateanimation = new TranslateAnimation(0.0F, 0.0F, f, f);
    translateanimation.setDuration(0L);
    translateanimation.setFillAfter(true);
    view.setAnimation(translateanimation);
    translateanimation.start();
}
 

private AnimatorProxy(View view) {
    setDuration(0); //perform transformation immediately
    setFillAfter(true); //persist transformation beyond duration
    view.setAnimation(this);
    mView = new WeakReference<View>(view);
}
 

private Animation bindItemAnimation(final View child, final boolean isClicked, final long duration) {
	Animation animation = createItemDisapperAnimation(duration, isClicked);
	child.setAnimation(animation);

	return animation;
}
 

public static AlphaAnimation hideViewByAlpha(final View v) {
    AlphaAnimation alphaAnimation = new AlphaAnimation(1, 0);
    alphaAnimation.setDuration(ALPHA_SHORT_DURATION);
    v.setAnimation(alphaAnimation);
    return alphaAnimation;
}
 

private AnimatorProxy(View view) {
    setDuration(0); //perform transformation immediately
    setFillAfter(true); //persist transformation beyond duration
    view.setAnimation(this);
    mView = new WeakReference<View>(view);
}
 

private Animation bindItemAnimation(final View child, final boolean isClicked, final long duration) {
    Animation animation = createItemDisapperAnimation(duration, isClicked);
    child.setAnimation(animation);

    return animation;
}
 

private AnimatorProxy(View view) {
    setDuration(0); //perform transformation immediately
    setFillAfter(true); //persist transformation beyond duration
    view.setAnimation(this);
    mView = new WeakReference<View>(view);
}
 

private AnimatorProxy(View view) {
    setDuration(0); // perform transformation immediately
    setFillAfter(true); // persist transformation beyond duration
    view.setAnimation(this);
    mView = new WeakReference<View>(view);
}
 

/**
 * 设置动画
 * @param view      {@link View}
 * @param animation {@link Animation}
 * @return {@link View}
 */
public static View setAnimation(final View view, final Animation animation) {
    if (view != null) view.setAnimation(animation);
    return view;
}