Nice loading animations for Android
Some loading GIF .
Android loading animations
Some beautiful android loading drawable, can be combined with any view as the LoadingView or the ProgressBar. Besides, some Drawable can customize the loading progress too.
A circle progress animation view on Android
SVProgressHUD For Android
Android fillable progress view working with SVG paths. This is a nice option too if you want to create an interesting branding logo for your app. Based on the iOS project: https://github.com/poolqf/Fillabl
Animated circular progress view for Android
CoolAndroidAnim - Android 6.0 Marshmallow Boot Animation.
Beautiful and smooth custom loading views