To speed up your view, eliminate unnecessary code from routines that are called frequently. Start by working on onDraw() , which will give you the biggest payback. In particular you should eliminate allocations in onDraw() , because allocations may lead to a garbage collection that would cause a stutter.

Which is better LinearLayout or RelativeLayout?

Relativelayout is more effective than Linearlayout. From here: It is a common misconception that using the basic layout structures leads to the most efficient layouts. However, each widget and layout you add to your application requires initialization, layout, and drawing.

How are Android layouts optimized?

Revise Your Layout

Because the layout performance above slows down due to a nested LinearLayout , the performance might improve by flattening the layout—make the layout shallow and wide, rather than narrow and deep. A RelativeLayout as the root node allows for such layouts.

How can I make my Android UI smoother?

Identifying the Problem

  1. Measure overall UI performance with Systrace to get a baseline.
  2. Use Hierarchy Viewer to identify and flatten view hierarchies.
  3. Reduce overdraw by flattening layouts and drawing less pixels on screen.
  4. Enable StrictMode to identify and make fewer potentially blocking calls on the main UI thread.

How do I optimize my apps?

Tips for optimizing your app

  1. Making sure your app functions without ANRs and crashes.
  2. Targeting Android Oreo.
  3. Keeping your installed size below 40MB for apps, and 65MB for games.
  4. Keeping PSS under 50MB for apps, and 150MB for games.
  5. Keeping your app or game’s cold start time under 5 seconds.

Why do we prefer constraint ConstraintLayout in Android?

The main advantage of ConstraintLayout is allows you to make large and complex layouts with a flat view hierarchy. No nested view groups like inside RelativeLayout or LinearLayout etc. You can make Responsive UI for android using ConstraintLayout and its more flexible compare to RelativeLayout.

How can we optimize view usage?

To speed up your view, eliminate unnecessary code from routines that are called frequently. Start by working on onDraw() , which will give you the biggest payback. In particular you should eliminate allocations in onDraw() , because allocations may lead to a garbage collection that would cause a stutter.

What is the use of ConstraintLayout in Android?

A {@code ConstraintLayout} is a android. view. ViewGroup which allows you to position and size widgets in a flexible way. Note: {@code ConstraintLayout} is available as a support library that you can use on Android systems starting with API level 9 (Gingerbread).

Is ConstraintLayout faster?

Measurement results: ConstraintLayout is faster

We recommend that you use ConstraintLayout when designing your app’s layouts. In almost all cases when you would have previously need a deeply-nested layout, ConstraintLayout should be your go-to layout for optimal performance and ease of use.

What is UI performance?

User interface (UI) performance testing ensures that your app not only meets its functional requirements, but that user interactions with your app are buttery smooth, running at a consistent 60 frames per second (why 60fps?), without any dropped or delayed frames, or as we like to call it, jank.

How do I make my UI smoother?

Tap into Developer Options and scroll down until you find options labeled: Window animation scale, Transition animation scale, and Animator duration scale. They should all be at an animation scale of 1x, so you’ll want to reduce by tapping on each and choosing a new scale. For me, I switch all three to . 5x.

What happens when you optimize an app?

The short story is that Android is doing what it says, creating an optimized version of each app for the new version of Android you just upgraded to. This process makes each app start as fast as possible with the new Android version.

Is it good to optimize my apps?

As it turns out, we don’t recommend battery optimization apps, as they do more harm than good.

Which apps should be optimized?

10 Apps to Enhance & Optimize Your Android Smartphone

  • Android Assistant. …
  • ROM Toolbox Lite. …
  • 3C Toolbox. …
  • Clean Master. …
  • DU Speed Booster. …
  • 360 Security. …
  • Greenify. …
  • CCleaner.



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