Nestor Soign created CB-2637:
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Summary: Speed up contacts find by ignoring entries with specified
null fields
Key: CB-2637
URL: https://issues.apache.org/jira/browse/CB-2637
Project: Apache Cordova
Issue Type: Improvement
Environment: Android
Reporter: Nestor Soign
Finding contacts is very slow: roughly 1 second per 100 contacts on recent
hardware. According to https://issues.apache.org/jira/browse/CB-1250 the
current major speed limitation is the number of contacts returned by find.
I have noticed that a large percentage of contacts appear to be either
incomplete or lack email addresses or phone numbers, since Google combines
phone and email contacts into a single list.
Many applications may be interested only in contacts which have phone numbers
or which have email, or which have either. By allowing specification of fields
which are required to be non-null, contacts.find calls could be sped up
significantly for those cases.
For example, I have a contacts list with 2641 contacts in it. Of those, 614
have telephone numbers but no emails. 1134 have emails but no telephone
numbers. 203 have both emails and telephone numbers, and the remainder appear
to be malformed and useless.
A contacts.find call on my phone (HTC EVO 4G LTE running Android 4.1.1) takes
about 13 seconds to complete, but if it could be limited to only contacts with
telephone numbers, it would probably take about 3-4 seconds. Even if it were
limited to contacts with either a telephone number or an email, it would
probably take about 9-10 seconds, still a substantial improvement.
If this is easy to implement it would be very helpful in many applications.
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