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Jetpack Compose Screen Rotation
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| @Composable | |
| fun RotateScreen( | |
| rotation: ScreenRotation, | |
| modifier: Modifier = Modifier, | |
| contentAlignment: Alignment = Alignment.TopStart, | |
| content: @Composable () -> Unit | |
| ) { | |
| BoxWithConstraints(modifier = modifier) { | |
| val width: Dp | |
| val height: Dp | |
| when (rotation) { | |
| ScreenRotation.LEFT_90_DEGREES, ScreenRotation.RIGHT_90_DEGREES -> { | |
| width = maxHeight | |
| height = maxWidth | |
| } | |
| else -> { | |
| width = maxWidth | |
| height = maxHeight | |
| } | |
| } | |
| Box( | |
| modifier = Modifier | |
| .rotate(rotation.degrees) | |
| .width(width) | |
| .height(height), | |
| contentAlignment = contentAlignment | |
| ) { | |
| content() | |
| } | |
| } | |
| } | |
| enum class ScreenRotation(val degrees: Float) { | |
| LEFT_90_DEGREES(-90f), RIGHT_90_DEGREES(90f), NORMAL(0f) | |
| } |
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Thanks, this works fine. I just had to move the modifier to the
BoxWithConstraintsin order to make the modifiers applied on theRotateScreento work correctly, for example:weight(1f).Also, I needed to use
requiredSize(see here why), so the width and height is correctly set, and align it to the center before rotating it.Sample: