Android Transition
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This document summarizes an Android transition talk given by Charlie Tsai. It discusses animations in Android like Animation, Animator, LayoutTransition, and ViewPropertyAnimator. It focuses on the Transitions Framework introduced in API 19, including Scenes, Transitions, and TransitionManager. It also covers transitioning between activities using ActivityOptions.makeSceneTransitionAnimation and setting shared element transitions. The talk included an overview, demo, and live coding of transitions.
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Adobe Illustrator is a powerful, professional-grade vector graphics software used for creating a wide range of designs, including logos, icons, illustrations, and more. Unlike raster graphics (like photos), which are made of pixels, vector graphics in Illustrator are defined by mathematical equations, allowing them to be scaled up or down infinitely without losing quality.
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Presented at: The 33rd International Conference on Program Comprehension (ICPC '25)
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Adobe Lightroom Classic is a desktop-based software application for editing and managing digital photos. It focuses on providing users with a powerful and comprehensive set of tools for organizing, editing, and processing their images on their computer. Unlike the newer Lightroom, which is cloud-based, Lightroom Classic stores photos locally on your computer and offers a more traditional workflow for professional photographers.
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Professional Photographers:
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Those with extensive photo collections may prefer Lightroom Classic's local storage and robust organization features.
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Users who prefer a more traditional desktop workflow, with their original photos stored on their computer, will find Lightroom Classic a good fit.
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Adobe After Effects is a software application used for creating motion graphics, special effects, and video compositing. It's widely used in TV and film post-production, as well as for creating visuals for online content, presentations, and more. While it can be used to create basic animations and designs, its primary strength lies in adding visual effects and motion to videos and graphics after they have been edited.
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Adobe Master Collection CC (Creative Cloud) is a comprehensive subscription-based package that bundles virtually all of Adobe's creative software applications. It provides access to a wide range of tools for graphic design, video editing, web development, photography, and more. Essentially, it's a one-stop-shop for creatives needing a broad set of professional tools.
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Faced with slow, manual testing cycles, frequent regression bugs, and looming audit risks, their growth was at risk. Their existing QA processes couldn’t keep up with the complexity of real-time biometric data handling, and earlier automation attempts had failed due to unreliable tools and fragmented workflows.
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Android Transition
- 2. Charlie Tsai@Android Study Group [email protected] Individual App Developer & System Software Engineer@NVIDIA Today’s source code https://github.com/chatea/TransitionDemo
- 3. Agenda • Overview of Animations in Android • Transitions Framework • Demo and Live Coding
- 4. Animations in Android • Animation (API 1+) • Animator (API 11+) • LayoutTransition (API 11+) • FragmentManager.beginTransaction() (support.v4 or API 11+) .setCustomAnimations(…) .add(…) / replace(…) .commit() • ViewPropertyAnimator (API 12+) View.animate().setXXX(…).setYYY(…) • Transitions Framework (API 19+) Scene, Transition, and TransitionManager • Transition between Activities (API 21+) ActivityOptions.makeSceneTransitionAnimation(…)
- 5. API 19 are supported by ~80% devices
- 7. Overview • Limitation • Scene • Transition • TransitionManager • Transition between Activities
- 8. Limitation • Cannot be applied to the SurfaceView • Cannot be applied to the AdapterView e.g. ListView (Use LayoutTransition instead) • Resizing the TextView has some problems
- 9. Scene • Layout description between 2 scenes • Can be created from layout file (res/layout/*.xml) • Can be created from code • Supports Callback: Scene.setExitAction(Runnable) Scene.setEnterAction(Runnable)
- 10. Transitions • Used to indicated the animation • Built-in transitions: fading, resizing, etc. • Can be created from xml (res/transition/*.xml) • Can be created from code • Transition.TransitionListener • Transition.addTarget() & Transition.removeTarget() • Multiple Transitions: TransitionSet
- 11. Customized Transition • public void captureStartValues(TransitionValues) • public void captureEndValues(TransitionValues) • public Animator createAnimator( ViewGroup sceneRoot, TransitionValues startValues, TransitionValues endValues)
- 12. Customized Transition • A data structure used to store customized animation properties. • class TransitionValues { public Map<String, Object> values; public View view; } 12
- 13. TransitionManager • TransitionManager.go(Scene) TransitionManager.go(Scene, Transition) • Transition.setTransition(…) TransitionManager.transitionTo(Scene) • Animation without Scene and Transition TransitionManager.beginDelayedTransition() • Can be created by XML
- 14. Transition between Activities • Enter & Exit Fade, Explode, Slide getWindow().setEnterTransition(…) getWindow().setExitTransition(…) • Shared elements changeBounds, changeClipBounds, changeTransform, changeImageTransform • ActivityOptionsCompat.makeSceneTransitionAnimation() ViewCompat.setTransitionName(…) Window.getSharedElementEnterTransition()
- 15. Live coding
- 16. Official Samples
- 17. cmd + shift + a
- 20. Question?
- 21. Thanks!