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FangGet / ORB_SLAM2_Android

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GNU General Public License v3.0
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what's the meaning of `synchronized (im)` in `ORBSLAMForCameraActivity.java` #10

Open eugenelyj opened 6 years ago

eugenelyj commented 6 years ago

i dont understand the code synchronized (im) in ORBSLAMForCameraActivity.java, why to use synchronized here, could anybody help me ?