Android: How can I implement these design components? -

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for last 2 days i've been intensely researching android design components. i've learned much. however, i'm baffled how design components implemented app featured in following 2 videos.

the first video demonstrates persistent toolbar @ bottom app screen new activities called. https://drive.google.com/file/d/0b0pjd0isytl-ndg4dglzumxfx2s/view?usp=sharing

this video shows app lifting apparent toolbar morphs beautiful display. https://drive.google.com/file/d/0b0pjd0isytl-aksydnmzq2kwmk0/view?usp=sharing

please, know how can done. link tutorial awesome telling components use.


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