显示小鸟飞翔动画

最新推荐文章于 2018-09-18 17:05:24 发布

原创最新推荐文章于 2018-09-18 17:05:24 发布 · 989 阅读

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    <ImageView
        android:id="@+id/tv_hunt"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_marginBottom="15dp"
        android:layout_marginLeft="20dp"
        android:drawablePadding="5dp"
        android:src="@anim/pull_to_refresh_animation"/>

<?xml version="1.0" encoding="utf-8" ?>
<animation-list
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false"
    >
    <item
        android:drawable="@drawable/fresh1"
        android:duration="150"/>
    <item
        android:drawable="@drawable/fresh2"
        android:duration="100"/>
    <item
        android:drawable="@drawable/fresh3"
        android:duration="100"/>
    <item
        android:drawable="@drawable/fresh4"
        android:duration="100"/>
    <item
        android:drawable="@drawable/fresh5"
        android:duration="100"/>
    <item
        android:drawable="@drawable/fresh6"
        android:duration="100"/>
    <item
        android:drawable="@drawable/fresh7"
        android:duration="100"/>
    <item
        android:drawable="@drawable/fresh8"
        android:duration="100"/>
</animation-list>

 private void onHunt() {
        if (oldX == 0) oldX = mHunt.getX();
        if (oldY == 0) oldY = mHunt.getY();
        mHunt.setX(oldX);
        mHunt.setY(oldY);
        final AnimationDrawable drawable = (AnimationDrawable) mHunt.getDrawable();
        if (drawable.isRunning())
            drawable.stop();
        //开始动画
        drawable.start();
        PropertyValuesHolder pvTX = PropertyValuesHolder.ofFloat("x", mHunt.getX(),
                width / 2);
        PropertyValuesHolder pvTY = PropertyValuesHolder.ofFloat("y", mHunt.getY(),
                height / 2);
        ObjectAnimator whxyBouncer = ObjectAnimator.ofPropertyValuesHolder(mHunt,
                pvTX, pvTY).setDuration(3000);
        whxyBouncer.addListener(new Animator.AnimatorListener() {
            @Override
            public void onAnimationStart(Animator animation) {

            }

            @Override
            public void onAnimationEnd(Animator animation) {
                drawable.stop();
            }

            @Override
            public void onAnimationCancel(Animator animation) {

            }

            @Override
            public void onAnimationRepeat(Animator animation) {

            }
        });
        whxyBouncer.start();
    }