if you just want to show a simple Animation,you can pass the @param(anim) null to the method, we will start the default Animation for view.

#####1.Show LoadingView in an Activity

ActivityLoading.showLoading(Activity activity, int layoutId)
ActivityLoading.showLoading(Activity activity, int layoutId, boolean dimBackground, boolean showAnimation, Animation anim)
ActivityLoading.showLoading(Activity activity, View view)
ActivityLoading.showLoading(Activity activity, View view, boolean dimBackground, boolean showAnimation, Animation anim)

#####2.Show EmptyView in an Activity

ActivityLoading.showEmpty(Activity activity, int layoutId)
ActivityLoading.showEmpty(Activity activity, View view)

#####3.dismiss LoadingView / EmptyView from Activity

ActivityLoading.dismiss(Activity activity)
ActivityLoading.dismiss(Activity activity, boolean showAnim, Animation anim)

#####1.Show LoadingView in Fragment

FragmentLoading.showLoading(Fragment fragment, int layoutId)
FragmentLoading.showLoading(Fragment fragment, int layoutId, boolean dimBackground, boolean showAnimation, Animation anim)
FragmentLoading.showLoading(Fragment fragment, View view)
FragmentLoading.showLoading(Fragment fragment, View view, boolean dimBackground, boolean showAnimation, Animation anim)

#####2.Show EmptyView in Fragment

FragmentLoading.showEmpty(Fragment fragment, int layoutId)
FragmentLoading.showEmpty(Fragment fragment, View view)

#####3.dismiss LoadingView / EmptyView from Fragment

FragmentLoading.dismiss(Fragment fragment)
FragmentLoading.dismiss(Fragment fragment, boolean showAnim, Animation anim)

####Notice To showing LoadingView or EmptyView in a Fragment, the Fragment’s rootView must be a FrameLayout or FrameLayout’s subclass, there're two ways to do it.
<1>.Define a xml-layout which rootView is FrameLayout for the Fragment.
<2>.Make your Fragment extends LoadingSupportFragment and achieve the method contentViewLayoutId() to return your xml-layout's Id, and you don’t need to override the method onCreateView(); Now, you can show the EmptyView or LoadingView simply;

为了让Fragment能够显示LoadingView或EmptyView，Fragment所创建的view必须是FrameLayout或者FrameLayout的子类，这里有两种快捷的方法.
<1>.定义一个layout布局文件然后让Fragment创建view，但该layout的rootView必须为FrameLayout；
<2>.继承LoadingFragment或者LoadingSupportFragment，并且实现方法contentViewLayoutId()，在该方法中返回自定义的layout布局文件，该布局文件则没有rootView的限制，rootView可以是任意的控件，并且，使用这种方法也就不需要再重写Fragment的onCreateView方法；

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