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@ -9,42 +9,82 @@ import android.util.Log |
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import androidx.core.content.ContextCompat |
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import com.amap.api.location.AMapLocationClient |
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import com.amap.api.location.AMapLocationClientOption |
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import com.amap.api.services.core.LatLonPoint |
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import com.amap.api.services.core.ServiceSettings |
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import com.amap.api.services.geocoder.GeocodeSearch |
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import com.amap.api.services.geocoder.RegeocodeQuery |
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/** |
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* 取一次「当前位置 + 省市区」，给百炼会话的 `${location}` 用（2026-09-25，车载香薰）。 |
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* 取一次「当前位置 + 详细地址」，给百炼会话的 `${location}` 用（2026-09-25，车载香薰）。 |
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* |
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* 刻意不复用 [LocationService]：那套只收 50 米内的高精度结果、超时 60 秒，是给导航/签到用的； |
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* 这里只要知道「在哪个城市哪个区」，网络定位就够，要的是快。 |
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* 这里要路名和门牌，高德逆地理一次拿全，要的是快。 |
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* `address` 优先用高德格式化地址；它为空时用省市区、街道、门牌拼一条，供上层直接念。 |
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* |
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* - 没有定位权限直接回 `no_permission`，**不在这里弹权限框**（由 Dart 侧决定何时申请）； |
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* - 高德定位自带逆地理（setNeedAddress），省/市/区一次拿全，华为无 GMS 的机器上也能用； |
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* - 坐标是高德的 GCJ-02，只用于城市级描述，偏移无关紧要。 |
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* - 定位回调经常只有市名（华为 ALN-AL80 上是「深圳市」）。没有路名时，用手里的经纬度 |
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* 再调一次高德逆地理，把格式化地址填进 `address`； |
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* - 坐标是高德的 GCJ-02，只放进 client_info，不放进要念出来的地址。 |
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*/ |
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object PlaceLocator { |
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/** 系统 Geocoder 反查省市区；机器不支持 / 没网 / 出错都返回 null。在后台线程调用。 */ |
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private fun systemGeocode(context: Context, lat: Double, lng: Double): Map<String, Any?>? { |
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/** 定位结果里已经有路名或门牌，就不必再打一次逆地理。 */ |
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private fun hasRoad(street: String?, streetNum: String?, address: String?): Boolean { |
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if (!street.isNullOrBlank() || !streetNum.isNullOrBlank()) return true |
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val a = address?.trim().orEmpty() |
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return a.contains('路') || a.contains('巷') || a.contains('号') || a.contains("大道") |
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} |
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/** |
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* 用定位拿到的经纬度向高德要格式化地址。 |
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* 必须在后台线程调用：`getFromLocation` 是同步网络请求。 |
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* 失败返回 null，调用方保留定位回调里已有的市名。 |
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*/ |
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private fun amapRegeocode(context: Context, lat: Double, lng: Double): Map<String, Any?>? { |
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return try { |
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if (!android.location.Geocoder.isPresent()) { |
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Log.w(TAG, "系统 Geocoder 不可用") |
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return null |
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} |
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@Suppress("DEPRECATION") |
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val list = android.location.Geocoder(context, java.util.Locale.CHINA).getFromLocation(lat, lng, 1) |
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val a = list?.firstOrNull() ?: return null |
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Log.i(TAG, "系统 Geocoder: 省=${a.adminArea} 市=${a.locality} 区=${a.subLocality} 地址=${a.getAddressLine(0)}") |
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ServiceSettings.updatePrivacyShow(context, true, true) |
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ServiceSettings.updatePrivacyAgree(context, true) |
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val search = GeocodeSearch(context) |
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val query = RegeocodeQuery(LatLonPoint(lat, lng), 200f, GeocodeSearch.AMAP) |
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val addr = search.getFromLocation(query) ?: return null |
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val sn = addr.streetNumber |
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val street = sn?.street?.trim().orEmpty() |
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val number = sn?.number?.trim().orEmpty() |
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val spoken = spokenAddress( |
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addr.formatAddress, addr.province, addr.city, addr.district, street, number, |
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) |
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if (spoken.isEmpty()) return null |
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Log.i(TAG, "高德逆地理补全: $spoken") |
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mapOf( |
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"province" to (a.adminArea ?: ""), |
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"city" to (a.locality ?: a.adminArea ?: ""), |
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"district" to (a.subLocality ?: ""), |
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"street" to (a.thoroughfare ?: ""), |
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"address" to (a.getAddressLine(0) ?: ""), |
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"province" to addr.province.orEmpty(), |
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"city" to addr.city.orEmpty().ifBlank { addr.province.orEmpty() }, |
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"district" to addr.district.orEmpty(), |
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"street" to listOf(street, number).filter { it.isNotEmpty() }.joinToString(""), |
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"address" to spoken, |
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) |
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} catch (e: Exception) { |
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Log.w(TAG, "系统 Geocoder 失败: ${e.message}") |
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Log.w(TAG, "高德逆地理失败: ${e.message}") |
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null |
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} |
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} |
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/** 高德格式化地址优先；为空时用省市区、街道、门牌拼一条。不含经纬度。 */ |
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private fun spokenAddress( |
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amapAddress: String?, |
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province: String?, |
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city: String?, |
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district: String?, |
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street: String?, |
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streetNum: String?, |
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): String { |
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val formatted = amapAddress?.trim().orEmpty() |
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if (formatted.isNotEmpty()) return formatted |
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return listOf(province, city, district, street, streetNum) |
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.map { it?.trim().orEmpty() } |
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.filter { it.isNotEmpty() } |
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.distinct() |
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.joinToString("") |
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} |
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private const val TAG = "PlaceLocator" |
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private val main = Handler(Looper.getMainLooper()) |
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@ -59,6 +99,8 @@ object PlaceLocator { |
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main.post { |
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var done = false |
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var client: AMapLocationClient? = null |
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// 已经拿到坐标、正在补逆地理时，超时把这份粗地址交出去，而不是整次失败。 |
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var held: Map<String, Any?>? = null |
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fun finish(result: Map<String, Any?>?, error: String?) { |
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if (done) return |
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done = true |
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@ -93,6 +135,9 @@ object PlaceLocator { |
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} else { |
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Log.i(TAG, "定位成功 type=${loc.locationType} lat=${loc.latitude} lng=${loc.longitude} " + |
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"省=${loc.province} 市=${loc.city} 区=${loc.district} 地址=${loc.address}") |
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val spoken = spokenAddress( |
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loc.address, loc.province, loc.city, loc.district, loc.street, loc.streetNum, |
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) |
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val base = mapOf<String, Any?>( |
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"latitude" to loc.latitude, |
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"longitude" to loc.longitude, |
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@ -100,21 +145,24 @@ object PlaceLocator { |
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"city" to loc.city, |
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"district" to loc.district, |
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"street" to loc.street, |
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"address" to loc.address, |
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"address" to spoken, |
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) |
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if (!loc.city.isNullOrBlank() || !loc.address.isNullOrBlank()) { |
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if (hasRoad(loc.street, loc.streetNum, loc.address)) { |
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finish(base, null) |
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} else { |
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// 2026-09-25 华为 ALN-AL80 实测：高德只回了坐标（type=12）、省市区全空。 |
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// 退一步用系统 Geocoder 反查；再不行就只回坐标，由上层用坐标描述位置。 |
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// 市名有了但没有路名（华为上常见只回「深圳市」）。 |
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// 用同一对经纬度再向高德要一次格式化地址。 |
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held = base |
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Thread { |
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val geo = systemGeocode(app, loc.latitude, loc.longitude) |
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val geo = amapRegeocode(app, loc.latitude, loc.longitude) |
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main.post { finish(if (geo != null) base + geo else base, null) } |
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}.start() |
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} |
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} |
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} |
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main.postDelayed({ finish(null, "timeout") }, timeoutMs) |
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main.postDelayed({ |
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finish(held, if (held == null) "timeout" else null) |
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}, timeoutMs) |
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c.startLocation() |
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} catch (e: Exception) { |
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Log.w(TAG, "定位异常: ${e.message}") |
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Rodger-Wang
2 days ago