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Java 我想让这张照片轻轻旋转_Java_Android - Fatal编程技术网

Java 我想让这张照片轻轻旋转

Java 我想让这张照片轻轻旋转,java,android,Java,Android,我已经研究过这个问题:在android中基于触摸事件以圆周运动移动图像,但它只告诉我如何沿圆周移动图像,而不是旋转图像 尝试使用此代码旋转图像,希望是png或某种矢量 private fun rotateLoadingAnimation() { val rotate = RotateAnimation(0f, 180f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_

我已经研究过这个问题:在android中基于触摸事件以圆周运动移动图像,但它只告诉我如何沿圆周移动图像,而不是旋转图像


尝试使用此代码旋转图像,希望是png或某种矢量

    private fun rotateLoadingAnimation() {
    val rotate = RotateAnimation(0f,
            180f, Animation.RELATIVE_TO_SELF,
            0.5f, Animation.RELATIVE_TO_SELF,
            0.5f)
    rotate.duration = 5000
    rotate.interpolator = LinearInterpolator()
    ivRotating.startAnimation(rotate)
}

您可以使用
顺时针
旋转动画在
res/anim/clockwiseanim.xml中实现这种形式的旋转
放置此代码

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/cycle_interpolator">
    <rotate android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"
        android:duration="5000" />
</set>