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Deep Dive into Anamika Tripathi @geekanamika

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About session ● Constraint Layout 1.x ● Motion Editor ● Motion Layout ● Hands on : Motion Layout

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Anamika Tripathi @geekanamika Android Developer @Zomato

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Before Constraint Layout

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Before Constraint Layout Building UI is Hard

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The solution • Nested view hierarchy • Performance issues • Not flexible

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Constraint Layout 1.x • Easy positioning view • Guidelines • Barriers • Chains • Bias • Image ratio

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Motion Layout

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How animation works?

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Start End

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What do we need?

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What do we need? • Start Position • End position • Transition from start to end • Anything else?

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What do we need?

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How to use it?

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Drawer Layout From Github

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Drawer Layout From Github

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Collapsible toolbar Coordinator layout From Github

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Collapsible toolbar Coordinator layout From Github

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Drawer Layout From Github

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Drawer Layout From Github

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View Pager From Github

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View Pager From Github

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Deep Dive into Motion Layout

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layout/activity_main.xml

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layout/activity_main.xml

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Constraint Set

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Constraint Set

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Constraint Set

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Constraint Set

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Transition

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Transition

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Motion Editor

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Creating icons

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Motion concepts

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Motion Concepts • Constraint sets • Transition • onSwipe/onClick • Keyframes • Coordinate system

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Motion Concepts • Constraint sets • Transition • onSwipe/onClick • Keyframes • Coordinate system

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Motion Concepts • Constraint sets • Transition • onSwipe/onClick • Keyframes • Coordinate system

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Motion Concepts • Constraint sets • Transition • onSwipe/onClick • Keyframes • Coordinate system

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Motion Concepts • Constraint sets • Transition • onSwipe/onClick • Keyframes • Coordinate system

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KeyFrame

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Key Frames • Key position • Key attribute • Key Cycle • Key TimeCycle

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Key Frames • Key position • Key attribute • Key Cycle • Key TimeCycle

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Key Frames • Key position • Key attribute • Key Cycle • Key TimeCycle

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Key Position Type

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Key Position Type

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Key Position Type

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Things to explore •Key Cycle •KeyTime cycle •Multi state transition •Key Trigger

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Learning Resources Introduction to MotionLayout series https://medium.com/google-developers/introduction-to-motionlayout-part- i-29208674b10d Official Docs https://developer.android.com/reference/android/support/constraint/motion/ MotionLayout What’s new in ConstraintLayout https://www.youtube.com/watch?v=29gLA90m6Gk Official Samples on Github https://github.com/googlesamples/android-ConstraintLayoutExamples

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Questions?