Android 动画旋转

Android 动画旋转：给你的应用增添炫酷效果

xml
    android:fromDegrees="0"
    android:toDegrees="360"
    android:pivotX="50"
    android:pivotY="50"
    android:duration="1000"
    android:repeatCount="infinite" />

xml
    android:layout_width="match_parent"
    android:layout_height="match_parent">
            android:id="@+id/imageView"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:background="@anim/rotate_anim" />

java
ImageView imageView = findViewById(R.id.imageView);
Animation rotateAnimation = AnimationUtils.loadAnimation(this, R.anim.rotate_anim);
imageView.startAnimation(rotateAnimation);