GoogleMap.OnCameraMoveStartedListener

  • GoogleMap.OnCameraMoveStartedListener is a callback interface for when the camera motion starts on a Google Map.

  • The onCameraMoveStarted method is called when the camera begins moving, providing a reason for the camera change.

  • Possible reasons for camera movement include user gestures, default API animations, and developer-initiated animations, represented by REASON_GESTURE, REASON_API_ANIMATION, and REASON_DEVELOPER_ANIMATION constants respectively.

  • You should not update or animate the camera from within the onCameraMoveStarted method.
public static interface GoogleMap.OnCameraMoveStartedListener

Callback interface for when the camera motion starts.

Constant Summary

int REASON_API_ANIMATION Non-gesture animation initiated in response to user actions.
int REASON_DEVELOPER_ANIMATION Developer initiated animation.
int REASON_GESTURE Camera motion initiated in response to user gestures on the map.

Public Method Summary

abstract void
onCameraMoveStarted(int reason)
Called when the camera starts moving after it has been idle or when the reason for camera motion has changed.

Constants

public static final int REASON_API_ANIMATION

Non-gesture animation initiated in response to user actions. For example: zoom buttons, my location button, or marker clicks.

Constant Value: 2

public static final int REASON_DEVELOPER_ANIMATION

Developer initiated animation.

Constant Value: 3

public static final int REASON_GESTURE

Camera motion initiated in response to user gestures on the map. For example: pan, tilt, pinch to zoom, or rotate.

Constant Value: 1

Public Methods

public abstract void onCameraMoveStarted (int reason)

Called when the camera starts moving after it has been idle or when the reason for camera motion has changed. Do not update or animate the camera from within this method.

This is called on the Android UI thread.

Parameters
reason The reason for the camera change. Possible values: