update build gradle of custom view library

update build gradle of custom view library

update build gradle of custom view library

update build gradle of custom view library

Merge pull request #4 from searchy2/master

Create Changing Text Feature

Create Pause and Resume Feature

Update Gradle and SDK to v25

update README.md

add ParticleTextSurfaceView

update screenshot

update screenshot

update screenshot

update screenshot

add a gif file for test