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Interactive Animations with React Native
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Andi N. Dirgantara
April 19, 2017
Programming
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Interactive Animations with React Native
Andi N. Dirgantara
April 19, 2017
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Transcript
Interactive Animations with React Native Jorgie Rizaldy Susanto
Mobile Animation
What is the purpose? Visual FeedBack Current Status Connect Transitions
User Attention
Background story - how react native works JavaScript Bridge Native
A B JSON
Why RN Animated?? by React Native itself React vs Data
Binding stable well documented updated
User Interface Before react
How does it work? Data Binding vs React each Binding
MEMORY initialization cost - + Ultra Fast 0(1) Updates
How does it work? User Interface with react Render time
matters Minimum View Changes Frame Performance 60 Fps
Import From {Animated} ‘react-native’; Animated.timing() A B Animated.decay() A B
Animated.spring() A B
Animated.timing() Animated.decay() Animated.spring()
Import From {Animated} ‘react-native’; Animated.parallel() Animated.sequence() Animated.stagger() A b A
b A b
Import From {Animated} ‘react-native’; Easing Animated.timing() Animated.decay() Animated.spring() #1 #2
#3 easings.net
Import From {Animated} ‘react-native’; Example :
Import From {Animated} ‘react-native’; Animated DECLARATIVE
Import From {Animated} ‘react-native’; #1 The value != number WHAT
We NEED
Import From {Animated} ‘react-native’; #2 When to call Animation timeline
initial value options init & callback #3
Import From {Animated} ‘react-native’; #4 interpolate() Animated Components transform
DEMO
Jorgie Rizaldy 081287436934 facebook.com/jorgieman jorgie.rizaldy @gmail.com @kodefox.com github.com/achillesJorgie