FlipLoadingLayout.java 文件源码

public FlipLoadingLayout(Context context, final Mode mode, final Orientation scrollDirection, TypedArray attrs) {
    super(context, mode, scrollDirection, attrs);

    final int rotateAngle = mode == Mode.PULL_FROM_START ? -180 : 180;

    mRotateAnimation = new RotateAnimation(0, rotateAngle, Animation.RELATIVE_TO_SELF, 0.5f,
            Animation.RELATIVE_TO_SELF, 0.5f);
    mRotateAnimation.setInterpolator(ANIMATION_INTERPOLATOR);
    mRotateAnimation.setDuration(FLIP_ANIMATION_DURATION);
    mRotateAnimation.setFillAfter(true);

    mResetRotateAnimation = new RotateAnimation(rotateAngle, 0, Animation.RELATIVE_TO_SELF, 0.5f,
            Animation.RELATIVE_TO_SELF, 0.5f);
    mResetRotateAnimation.setInterpolator(ANIMATION_INTERPOLATOR);
    mResetRotateAnimation.setDuration(FLIP_ANIMATION_DURATION);
    mResetRotateAnimation.setFillAfter(true);
}