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我对谷歌的意识栅栏API 2个问题:如何检查围栏密钥是否注册了Awareness API?
- 难道我们要检查是否与给定的围栏键栅栏被注册的方法?
- 如果我不小心使用相同的围栏密钥注册了2个围栏,会发生什么情况?
我对谷歌的意识栅栏API 2个问题:如何检查围栏密钥是否注册了Awareness API?
FenceStateMap
包含篱笆关键。下面是示例代码:
protected void queryFence(final String fenceKey) {
Awareness.FenceApi.queryFences(mGoogleApiClient,
FenceQueryRequest.forFences(Arrays.asList(fenceKey)))
.setResultCallback(new ResultCallback<FenceQueryResult>() {
@Override
public void onResult(@NonNull FenceQueryResult fenceQueryResult) {
if (!fenceQueryResult.getStatus().isSuccess()) {
Log.e(TAG, "Could not query fence: " + fenceKey);
return;
}
FenceStateMap map = fenceQueryResult.getFenceStateMap();
if (!map.getFenceKeys().contains(fenceKey)) {
// Fence is not registered.
}
}
});
}