| id | 进度指示器的唯一 ID。 |
| forceSynchronous | 将此参数设置为 true 时，它将强制此方法同步删除进度指示器。 |
如果进度指示器被移除，则返回 int -1。否则，返回进度指示器的 ID。
完成并移除活动的进度指示器。
除非该进度指示器是同步的（请参见Synchronous），否则该进度指示器将在下一次应用程序标记时被移除。若要强制此方法同步移除进度指示器，请将“forceSynchronous”参数设置为 true。
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