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Location: Provide "fused" system location provider
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66 changes: 66 additions & 0 deletions
66
...provider/src/main/kotlin/org/microg/gms/location/provider/FusedLocationProviderService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2024 microG Project Team | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package org.microg.gms.location.provider | ||
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| import android.app.PendingIntent | ||
| import android.content.Intent | ||
| import android.location.Criteria | ||
| import android.location.Location | ||
| import android.os.Build.VERSION.SDK_INT | ||
| import android.util.Log | ||
| import androidx.core.location.LocationRequestCompat | ||
| import com.android.location.provider.ProviderPropertiesUnbundled | ||
| import com.android.location.provider.ProviderRequestUnbundled | ||
| import com.google.android.gms.location.LocationRequest | ||
| import com.google.android.gms.location.LocationResult | ||
| import com.google.android.gms.location.LocationServices | ||
| import com.google.android.gms.location.Priority | ||
| import kotlin.math.max | ||
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| class FusedLocationProviderService : IntentLocationProviderService() { | ||
| override fun extractLocation(intent: Intent): Location? = LocationResult.extractResult(intent)?.lastLocation | ||
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| override fun requestIntentUpdated(currentRequest: ProviderRequestUnbundled?, pendingIntent: PendingIntent?) { | ||
| val intervalMillis = if (currentRequest?.reportLocation == true) { | ||
| max(currentRequest.interval, minIntervalMillis) | ||
| } else { | ||
| Long.MAX_VALUE | ||
| } | ||
| val request = LocationRequest.Builder(intervalMillis) | ||
| if (SDK_INT >= 31 && currentRequest != null) { | ||
| request.setPriority(when(currentRequest.quality) { | ||
| LocationRequestCompat.QUALITY_LOW_POWER -> Priority.PRIORITY_LOW_POWER | ||
| LocationRequestCompat.QUALITY_HIGH_ACCURACY -> Priority.PRIORITY_HIGH_ACCURACY | ||
| else -> Priority.PRIORITY_BALANCED_POWER_ACCURACY | ||
| }) | ||
| request.setMaxUpdateDelayMillis(currentRequest.maxUpdateDelayMillis) | ||
| } | ||
| try { | ||
| LocationServices.getFusedLocationProviderClient(this).requestLocationUpdates(request.build(), pendingIntent) | ||
| } catch (e: SecurityException) { | ||
| Log.d(TAG, "Failed requesting location updated", e) | ||
| } | ||
| } | ||
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| override fun stopIntentUpdated(pendingIntent: PendingIntent?) { | ||
| LocationServices.getFusedLocationProviderClient(this).removeLocationUpdates(pendingIntent) | ||
| } | ||
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| override val minIntervalMillis: Long | ||
| get() = MIN_INTERVAL_MILLIS | ||
| override val minReportMillis: Long | ||
| get() = MIN_REPORT_MILLIS | ||
| override val properties: ProviderPropertiesUnbundled | ||
| get() = PROPERTIES | ||
| override val providerName: String | ||
| get() = "fused" | ||
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| companion object { | ||
| private const val MIN_INTERVAL_MILLIS = 20000L | ||
| private const val MIN_REPORT_MILLIS = 1000L | ||
| private val PROPERTIES = ProviderPropertiesUnbundled.create(false, false, false, false, true, true, true, Criteria.POWER_LOW, Criteria.ACCURACY_COARSE) | ||
| } | ||
| } |
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91 changes: 91 additions & 0 deletions
91
...rovider/src/main/kotlin/org/microg/gms/location/provider/IntentLocationProviderService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2024 microG Project Team | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
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| package org.microg.gms.location.provider | ||
|
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| import android.app.PendingIntent | ||
| import android.app.Service | ||
| import android.content.Intent | ||
| import android.location.Location | ||
| import android.os.Binder | ||
| import android.os.Build.VERSION.SDK_INT | ||
| import android.os.Handler | ||
| import android.os.HandlerThread | ||
| import android.os.IBinder | ||
| import android.os.Process | ||
| import android.util.Log | ||
| import com.android.location.provider.ProviderPropertiesUnbundled | ||
| import com.android.location.provider.ProviderRequestUnbundled | ||
| import java.io.FileDescriptor | ||
| import java.io.PrintWriter | ||
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| abstract class IntentLocationProviderService : Service() { | ||
| private lateinit var handlerThread: HandlerThread | ||
| private lateinit var handler: Handler | ||
| private var bound: Boolean = false | ||
| private var provider: GenericLocationProvider? = null | ||
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| override fun onCreate() { | ||
| super.onCreate() | ||
| handlerThread = HandlerThread(this.javaClass.simpleName) | ||
| handlerThread.start() | ||
| handler = Handler(handlerThread.looper) | ||
| } | ||
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| abstract fun requestIntentUpdated(currentRequest: ProviderRequestUnbundled?, pendingIntent: PendingIntent?) | ||
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| abstract fun stopIntentUpdated(pendingIntent: PendingIntent?) | ||
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| abstract fun extractLocation(intent: Intent): Location? | ||
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| override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { | ||
| if (Binder.getCallingUid() == Process.myUid() && intent?.action == ACTION_REPORT_LOCATION) { | ||
| handler.post { | ||
| val location = extractLocation(intent) | ||
| if (location != null) { | ||
| provider?.reportLocationToSystem(location) | ||
| } | ||
| } | ||
| } | ||
| return START_NOT_STICKY | ||
| } | ||
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| override fun onBind(intent: Intent?): IBinder? { | ||
| bound = true | ||
| if (provider == null) { | ||
| provider = when { | ||
| // TODO: Migrate to Tiramisu provider. Not yet required thanks to backwards compat | ||
| // SDK_INT >= 33 -> | ||
| SDK_INT >= 31 -> | ||
| IntentLocationProviderPreTiramisu(this, properties) | ||
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| else -> | ||
| @Suppress("DEPRECATION") | ||
| (IntentLocationProviderPreTiramisu(this, properties, Unit)) | ||
| } | ||
| provider?.enable() | ||
| } | ||
| return provider?.getBinder() | ||
| } | ||
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| override fun dump(fd: FileDescriptor, writer: PrintWriter, args: Array<out String>) { | ||
| writer.println("Bound: $bound") | ||
| provider?.dump(writer) | ||
| } | ||
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| override fun onDestroy() { | ||
| if (SDK_INT >= 18) handlerThread.looper.quitSafely() | ||
| else handlerThread.looper.quit() | ||
| provider?.disable() | ||
| provider = null | ||
| bound = false | ||
| super.onDestroy() | ||
| } | ||
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| abstract val minIntervalMillis: Long | ||
| abstract val minReportMillis: Long | ||
| abstract val properties: ProviderPropertiesUnbundled | ||
| abstract val providerName: String | ||
| } |
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