windowInsetsStartWidth

Functions summary

Modifier

Sets the width to that of insets at the start of the screen, using either left or right, depending on the LayoutDirection.
Cmn

Functions

Modifier.windowInsetsStartWidth

Cmn 
fun Modifier.windowInsetsStartWidth(insets: WindowInsets): Modifier

Sets the width to that of insets at the start of the screen, using either left or right, depending on the LayoutDirection.

When used, the android.view.WindowInsets will respect the consumed insets from windowInsetsPadding and consumeWindowInsets, but won't consume any insets.

import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.WindowInsets
import androidx.compose.foundation.layout.fillMaxHeight
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.navigationBars
import androidx.compose.foundation.layout.windowInsetsStartWidth
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.core.view.WindowCompat

class SampleActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        WindowCompat.setDecorFitsSystemWindows(window, false)
        super.onCreate(savedInstanceState)
        setContent {
            Box(Modifier.fillMaxSize()) {
                // Background for navigation bar at the start
                Box(
                    Modifier.windowInsetsStartWidth(WindowInsets.navigationBars)
                        .fillMaxHeight()
                        .align(Alignment.CenterStart)
                        .background(Color.Red)
                )
                // app content
            }
        }
    }
}