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Fix crash when calculating scroll

See original GitHub issue

Idea Description

Fatal Exception: java.lang.IllegalStateException
Offset is unspecified
androidx.compose.ui.geometry.Offset.getX-impl (
io.github.droidkaigi.confsched2022.feature.sessions.ScreenScrollState$scroll$2$1.invokeSuspend (
kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith ( (
    suspend fun scroll(
        dragAmount: Offset,
        timeMillis: Long,
        position: Offset,
    ) {
        val nextPossibleX = calculatePossibleScrollX(dragAmount.x)
        val nextPossibleY = calculatePossibleScrollY(dragAmount.y)
            Offset(nextPossibleX, nextPossibleY), // ←
value class Offset internal constructor(internal val packedValue: Long) {

    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

Issue Analytics

  • State:open
  • Created a year ago
  • Comments:8 (8 by maintainers)

github_iconTop GitHub Comments

takahiromcommented, Oct 7, 2022
takahiromcommented, Sep 30, 2022

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

Read more comments on GitHub >

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