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I'm new to Jetpack Compose. I created an app and as a preview I get only the views, in my case a text view.
How can I preview a screen and not an individual element?
I want something like that:
I am using Android Studio 2020.3.1 Canary 8.
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How to add a preview? You need to add @Preview() annotation before the composable function. After adding this annotation we are able to see the preview of our UI. @Preview() @Composable fun DefaultPreview() { Text("Hello World!") }
It is very simple to create a Preview in Compose, simply annotate a Composable function with “@Preview” annotation and call the Composable function that you want to render on your editor or screen.
How do you get the device width in jetpack compose? If you want to get the size in pixels: val screenDensity = configuration. densityDpi / 160f and multiply with dp, for example val screenHeight = configuration. screenHeightDp.
Jetpack Compose was designed with View interoperability right from the start— you can use Compose within Views, and vice versa. This functionality allows you to adopt Compose in your existing View-based app without having to rewrite it from scratch.
Use the annotation @Preview(showSystemUi = true).
More info about the preview annotations here.
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