Fix crash when calculating scroll

[takahirom]

Idea Description

Fatal Exception: java.lang.IllegalStateException
Offset is unspecified
androidx.compose.ui.geometry.Offset.getX-impl (Offset.java:28)
io.github.droidkaigi.confsched2022.feature.sessions.ScreenScrollState$scroll$2$1.invokeSuspend (ScreenScrollState.java:31)
kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith (BaseContinuationImpl.java:8)
kotlinx.coroutines.DispatchedTask.run (DispatchedTask.java:100)

    suspend fun scroll(
        dragAmount: Offset,
        timeMillis: Long,
        position: Offset,
    ) {
        val nextPossibleX = calculatePossibleScrollX(dragAmount.x)
        val nextPossibleY = calculatePossibleScrollY(dragAmount.y)
        scrollState.scroll(
            Offset(nextPossibleX, nextPossibleY), // ←

value class Offset internal constructor(internal val packedValue: Long) {

    @Stable
    val x: Float
        get() {
            // Explicitly compare against packed values to avoid auto-boxing of Size.Unspecified
            check(this.packedValue != Unspecified.packedValue) {
                "Offset is unspecified" // ←
            }
            return unpackFloat1(packedValue)
        }

Reference images and links

[Tomoyuki-TAKEZAKI]

I'd like to work on this issue 🙋🏻

[takahirom]

@Tomoyuki-TAKEZAKI I'm looking forward to seeing your PR! Assigned 👍

[takahirom]

@Tomoyuki-TAKEZAKI Sorry. Let me unassign issue due to the time🙏

[takahirom]

[Tomoyuki-TAKEZAKI]

@takahirom
I was using Flamingo instead of Android Studio Electric Eel, so the build didn't go well and I was late.
I was going to tackle it during the third-day session of DroidKaigi.
Sorry 😢

[takathemax]

I'd like to work on this issue 🙋🏻

[takathemax]

Oh, I see that a predecessor for this issue has returned, so I will look for another issue myself. 👍

[Tomoyuki-TAKEZAKI]

@takahirom
I opened a PR for this issue: #878
Sorry for the late PR. 🙇