te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>LocationAvailability.isLocationAvailable() Always Returns False Initially but Location Updates After a Few Seconds (Android) - S
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LocationAvailability.isLocationAvailable() Always Returns False Initially but Location Updates After a Few Seconds (Android) - S

programmeradmin4浏览0评论

I've been using locationAvailability.isLocationAvailable() from FusedLocationProviderClient, and it has been working fine. However, today we noticed that it always returns false initially, even though the location is still retrieved after about 3 seconds.

This happens across all Android devices(tested on Samsung and Oppo) and OS versions (Android 11-15), and location services are confirmed to be enabled.

There have been no recent changes in our location-related logic or library updates.

Is this expected behavior, or has something changed recently?

My gms:play-services-location version:

com.google.android.gms:play-services-location:21.3.0

My code:

      private val locationCallback: LocationCallback = object : LocationCallback() {
        override fun onLocationResult(locationResult: LocationResult) {
            super.onLocationResult(locationResult)
            val location = locationResult.lastLocation
            if (location != null) {
                //some logic. This will be triggered after a few seconds
            } else {
              //some logic
            }
        }

        override fun onLocationAvailability(locationAvailability: LocationAvailability) {
            super.onLocationAvailability(locationAvailability)
            if (!locationAvailability.isLocationAvailable) {
                noLocationAcquired() //This will be triggered instantly
            }
        }
    }

From the the official documentation:

When LocationAvailability.isLocationAvailable() returns false it generally indicates that further invocations of onLocationResult(LocationResult) are unlikely until something changes with the device's settings or environment.

In my case, onLocationResult(LocationResult) is still triggered after a few seconds, even though LocationAvailability.isLocationAvailable() returns false initially.

This issue started happening only recently, and our production users are affected on both old and new versions of the app.

I’d appreciate any feedback. Thanks!

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