LivePusherContext.stop(Object object)参数Object objectLivePusherContext.stop(Object object)停止推流,同时停止摄像头预览 参数Object object属性类型默认值必填说明successfunction否接口调用成功的回调函数failfunction否接口调用失败的回调函数completefunction否接口调用结束的回调函数(调用成功、失败都会执行)