add option to change nested scroll connection

Author: SmartToolFactory

Tutorial1-1Basics/src/main/java/com/smarttoolfactory/tutorial1_1basics/chapter5_gesture/Tutorital5_16DragHorizontalPager.kt

@@ -293,10 +293,17 @@ fun DragPagerTest() {
  5
  }
 
+ var consumeNestedScroll by remember {
+ mutableStateOf(false)
+ }
+
  val nestedScrollConnection = remember {
  object : NestedScrollConnection {
  override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
  println("onPreScroll() available: $available")
+ if (consumeNestedScroll) {
+ return available
+ }
  return super.onPreScroll(available, source)
  }
  }
@@ -371,8 +378,7 @@ fun DragPagerTest() {
  text = "onDragStart..."
  },
  onDrag = { change, dragAmount ->
-// text = "onDrag...$dragAmount"
- println("onDrag $dragAmount")
+ text = "onDrag...$dragAmount"
  change.consume()
  },
  onDragCancel = {
@@ -412,6 +418,14 @@ fun DragPagerTest() {
 
  Spacer(Modifier.height(16.dp))
 
+ CheckBoxWithTextRippleFullRow(
+ label = "consumeNestedScroll",
+ state = consumeNestedScroll,
+ onStateChange = {
+ consumeNestedScroll = it
+ }
+ )
+
  CheckBoxWithTextRippleFullRow(
  label = "shouldAwaitPointerEventScope",
  state = shouldAwaitPointerEventScope,

Tutorial1-1Basics/src/main/java/com/smarttoolfactory/tutorial1_1basics/chapter5_gesture/gesture/DetectDragGestures.kt

@@ -57,6 +57,7 @@ internal suspend fun PointerInputScope.detectDragGesture(
  drag = awaitTouchSlopOrCancellation(
  pointerId = down.id,
  requireUnconsumed = requireUnconsumed,
+ pass = pass
  ) { change, over ->
  change.consume()
  overSlop = over