android-ripple-background is a beautiful ripple animation for your app. You can easily change its color, speed of wave, one ripple or multiple ripples.
A custom GLSurfaceView to show image with ripple effect using OpenGL.
GoogleMapsRippleEffect is an awesome android library to show multiple types of circular ripple effects on google map.
material-ripple allows to add ripple effect wrapper for Android views.
An Input box with different validators and ripple transition for android. It lets you to define custom animation for error text entrance and also comes up with seven ready validators.
A port of Ripple Effect from Android L to non L devices.
Example: RippleDrawable.createRipple(view, getColor(R.color.material_blue_600))
Implementation of Ripple effect from Material Design for Android API 9+.
A layout that implemented ripple effect for transition animation.
View that imitates Ripple Effect on click which was introduced in Android L.
Shape Ripple is a library that emulates a ripple like animations with cool tweaks on the go. It runs on API level 11 and upwards.
As addition you can even create your own shape renderer through the canvas to create a custom shape ripple.
Voice Record Button that has ripple effect with users voice using approximated decibels from max amplitude.