// Defines a marker to always display and hide any marker or label overlay with this marker in the base mapmarker.collisionBehavior=.requiredAndHidesOptional
Objective-C
// Defines a marker to always display and hide any marker or label overlay with this marker in the base mapmarker.collisionBehavior=GMSCollisionBehaviorRequiredAndHidesOptional
[[["เข้าใจง่าย","easyToUnderstand","thumb-up"],["แก้ปัญหาของฉันได้","solvedMyProblem","thumb-up"],["อื่นๆ","otherUp","thumb-up"]],[["ไม่มีข้อมูลที่ฉันต้องการ","missingTheInformationINeed","thumb-down"],["ซับซ้อนเกินไป/มีหลายขั้นตอนมากเกินไป","tooComplicatedTooManySteps","thumb-down"],["ล้าสมัย","outOfDate","thumb-down"],["ปัญหาเกี่ยวกับการแปล","translationIssue","thumb-down"],["ตัวอย่าง/ปัญหาเกี่ยวกับโค้ด","samplesCodeIssue","thumb-down"],["อื่นๆ","otherDown","thumb-down"]],["อัปเดตล่าสุด 2025-07-16 UTC"],[[["Collision behavior dictates how markers are displayed when they overlap on the map."],["You can configure a marker's collision behavior using the `GMSAdvancedMarker.collisionBehavior` property with three options: `GMSCollisionBehaviorRequired`, `GMSCollisionBehaviorOptionalAndHidesLowerPriority`, and `GMSCollisionBehaviorRequiredAndHidesOptional`."],["`GMSCollisionBehaviorRequired` is the default, always displaying the marker regardless of overlap."],["`GMSCollisionBehaviorOptionalAndHidesLowerPriority` displays the marker only if it doesn't overlap with others, prioritizing higher `zIndex` and lower screen position in case of conflicts."],["`GMSCollisionBehaviorRequiredAndHidesOptional` always displays the marker and hides any with `GMSCollisionBehaviorOptionalAndHidesLowerPriority` behavior."]]],["Collision behavior dictates marker display during overlaps. Options include: `Required` (always visible, default); `OptionalAndHidesLowerPriority` (visible only if no overlap, higher `zIndex` prevails); and `RequiredAndHidesOptional` (always visible, hides `OptionalAndHidesLowerPriority`). `zIndex` determines priority in overlapping markers, with lower vertical screen position breaking ties in specific cases. Setting `collisionBehavior` in code allows customization of display logic. It's recommended to use the same behavior for all advanced markers.\n"]]
