From 88f05229279ffc1c3daba12e4cd5af1ee1679af7 Mon Sep 17 00:00:00 2001
From: James Rich <2199651+jamesarich@users.noreply.github.com>
Date: Sun, 28 Dec 2025 17:06:20 -0600
Subject: [PATCH] refactor: Set minSdk to 32 and remove legacy code
This commit increases the minimum SDK version to 32 (Android 12L), allowing for the removal of compatibility code for older Android versions.
Key changes include:
* Updated `MIN_SDK` from 26 to 32.
* Removed conditional logic for API levels below 32, particularly for permissions, foreground services, and UI components.
* Simplified Bluetooth permission handling to only target modern APIs.
* Cleaned up AndroidManifest by removing legacy permission tags.
Signed-off-by: James Rich <2199651+jamesarich@users.noreply.github.com>
---
app/src/main/AndroidManifest.xml | 11 +---
.../java/com/geeksville/mesh/MainActivity.kt | 12 ++---
.../geeksville/mesh/service/MeshService.kt | 15 ++----
.../mesh/service/MeshServiceStarter.kt | 11 ++--
.../mesh/ui/connections/ConnectionsScreen.kt | 9 +---
.../ui/connections/components/BLEDevices.kt | 50 ++-----------------
config.properties | 2 +-
.../meshtastic/core/common/ContextServices.kt | 15 +-----
.../data/repository/LocationRepository.kt | 2 +-
.../core/model/util/DistanceExtensions.kt | 17 ++-----
.../org/meshtastic/core/ui/theme/Theme.kt | 3 +-
11 files changed, 25 insertions(+), 122 deletions(-)
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d486b3dd45..788b923cca 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -28,17 +28,10 @@
android:name="android.hardware.location.gps"
android:required="false" />
-
-
-
-
-
+
+ android:usesPermissionFlags="neverForLocation" />
diff --git a/app/src/main/java/com/geeksville/mesh/MainActivity.kt b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
index 914d69c799..a2f184f26e 100644
--- a/app/src/main/java/com/geeksville/mesh/MainActivity.kt
+++ b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
@@ -23,7 +23,6 @@ import android.content.Intent
import android.graphics.Color
import android.hardware.usb.UsbManager
import android.net.Uri
-import android.os.Build
import android.os.Bundle
import androidx.activity.SystemBarStyle
import androidx.activity.compose.setContent
@@ -67,14 +66,9 @@ class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
installSplashScreen()
- enableEdgeToEdge(
- // Disable three-button navbar scrim on pre-Q devices
- navigationBarStyle = SystemBarStyle.auto(Color.TRANSPARENT, Color.TRANSPARENT),
- )
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
- // Disable three-button navbar scrim
- window.setNavigationBarContrastEnforced(false)
- }
+ enableEdgeToEdge(navigationBarStyle = SystemBarStyle.auto(Color.TRANSPARENT, Color.TRANSPARENT))
+ // Disable three-button navbar scrim (unconditional on API 32+)
+ window.setNavigationBarContrastEnforced(false)
super.onCreate(savedInstanceState)
diff --git a/app/src/main/java/com/geeksville/mesh/service/MeshService.kt b/app/src/main/java/com/geeksville/mesh/service/MeshService.kt
index f99b052243..1273f4780c 100644
--- a/app/src/main/java/com/geeksville/mesh/service/MeshService.kt
+++ b/app/src/main/java/com/geeksville/mesh/service/MeshService.kt
@@ -23,7 +23,6 @@ import android.app.Service
import android.content.Context
import android.content.Intent
import android.content.pm.ServiceInfo
-import android.os.Build
import android.os.IBinder
import android.os.RemoteException
import android.util.Log
@@ -477,14 +476,10 @@ class MeshService : Service() {
this,
SERVICE_NOTIFY_ID,
notification,
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
- if (hasLocationPermission()) {
- ServiceInfo.FOREGROUND_SERVICE_TYPE_MANIFEST
- } else {
- ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE
- }
+ if (hasLocationPermission()) {
+ ServiceInfo.FOREGROUND_SERVICE_TYPE_MANIFEST
} else {
- 0 // No specific type needed for older Android versions
+ ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE
},
)
} catch (ex: Exception) {
@@ -1359,7 +1354,7 @@ class MeshService : Service() {
val failure =
when {
address == null -> "no_active_address"
- myNodeNum == null -> "no_my_node"
+ myNodeInfo == null -> "no_my_node"
else -> null
}
if (failure != null) {
@@ -1368,7 +1363,7 @@ class MeshService : Service() {
}
val safeAddress = address!!
- val myNum = myNodeNum!!
+ val myNum = myNodeNum
val storeForwardConfig = moduleConfig.storeForward
val lastRequest = meshPrefs.getStoreForwardLastRequest(safeAddress)
val (window, max) =
diff --git a/app/src/main/java/com/geeksville/mesh/service/MeshServiceStarter.kt b/app/src/main/java/com/geeksville/mesh/service/MeshServiceStarter.kt
index ed59ff5b2a..2915e477a1 100644
--- a/app/src/main/java/com/geeksville/mesh/service/MeshServiceStarter.kt
+++ b/app/src/main/java/com/geeksville/mesh/service/MeshServiceStarter.kt
@@ -19,7 +19,6 @@ package com.geeksville.mesh.service
import android.app.ForegroundServiceStartNotAllowedException
import android.content.Context
-import android.os.Build
import co.touchlab.kermit.Logger
import com.geeksville.mesh.BuildConfig
@@ -36,13 +35,9 @@ fun MeshService.Companion.startService(context: Context) {
Logger.i { "Trying to start service debug=${BuildConfig.DEBUG}" }
val intent = createIntent(context)
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
- try {
- context.startForegroundService(intent)
- } catch (ex: ForegroundServiceStartNotAllowedException) {
- Logger.e { "Unable to start service: ${ex.message}" }
- }
- } else {
+ try {
context.startForegroundService(intent)
+ } catch (ex: ForegroundServiceStartNotAllowedException) {
+ Logger.e { "Unable to start service: ${ex.message}" }
}
}
diff --git a/app/src/main/java/com/geeksville/mesh/ui/connections/ConnectionsScreen.kt b/app/src/main/java/com/geeksville/mesh/ui/connections/ConnectionsScreen.kt
index e639d3f7ae..b633b67282 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/connections/ConnectionsScreen.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/connections/ConnectionsScreen.kt
@@ -18,8 +18,6 @@
package com.geeksville.mesh.ui.connections
import android.net.InetAddresses
-import android.os.Build
-import android.util.Patterns
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
@@ -93,12 +91,7 @@ import org.meshtastic.feature.settings.radio.RadioConfigViewModel
import org.meshtastic.feature.settings.radio.component.PacketResponseStateDialog
import org.meshtastic.proto.ConfigProtos
-fun String?.isIPAddress(): Boolean = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
- @Suppress("DEPRECATION")
- this != null && Patterns.IP_ADDRESS.matcher(this).matches()
-} else {
- InetAddresses.isNumericAddress(this.toString())
-}
+fun String?.isIPAddress(): Boolean = InetAddresses.isNumericAddress(this.toString())
/**
* Composable screen for managing device connections (BLE, TCP, USB). It handles permission requests for location and
diff --git a/app/src/main/java/com/geeksville/mesh/ui/connections/components/BLEDevices.kt b/app/src/main/java/com/geeksville/mesh/ui/connections/components/BLEDevices.kt
index 6d9adf3a7f..e237895027 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/connections/components/BLEDevices.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/connections/components/BLEDevices.kt
@@ -19,7 +19,6 @@ package com.geeksville.mesh.ui.connections.components
import android.Manifest
import android.content.Intent
-import android.os.Build
import android.provider.Settings.ACTION_BLUETOOTH_SETTINGS
import androidx.activity.compose.rememberLauncherForActivityResult
import androidx.activity.result.contract.ActivityResultContracts
@@ -40,7 +39,6 @@ import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.alpha
@@ -52,8 +50,6 @@ import com.geeksville.mesh.model.DeviceListEntry
import com.google.accompanist.permissions.ExperimentalPermissionsApi
import com.google.accompanist.permissions.MultiplePermissionsState
import com.google.accompanist.permissions.rememberMultiplePermissionsState
-import com.google.accompanist.permissions.rememberPermissionState
-import kotlinx.coroutines.launch
import org.jetbrains.compose.resources.stringResource
import org.meshtastic.core.service.ConnectionState
import org.meshtastic.core.strings.Res
@@ -63,11 +59,9 @@ import org.meshtastic.core.strings.bluetooth_paired_devices
import org.meshtastic.core.strings.grant_permissions
import org.meshtastic.core.strings.no_ble_devices
import org.meshtastic.core.strings.open_settings
-import org.meshtastic.core.strings.permission_missing
import org.meshtastic.core.strings.permission_missing_31
import org.meshtastic.core.strings.scan
import org.meshtastic.core.strings.scanning_bluetooth
-import org.meshtastic.core.ui.util.showToast
/**
* Composable that displays a list of Bluetooth Low Energy (BLE) devices and allows scanning. It handles Bluetooth
@@ -91,54 +85,21 @@ fun BLEDevices(
scanModel: BTScanModel,
bluetoothEnabled: Boolean,
) {
- LocalContext.current // Used implicitly by stringResource
val isScanning by scanModel.spinner.collectAsStateWithLifecycle(false)
- // Define permissions needed for Bluetooth scanning based on Android version.
+ // Bluetooth permissions for Android 12+ (Min SDK is 32)
val bluetoothPermissionsList = remember {
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
- listOf(Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT)
- } else {
- listOf(
- Manifest.permission.BLUETOOTH,
- Manifest.permission.ACCESS_FINE_LOCATION,
- Manifest.permission.ACCESS_COARSE_LOCATION,
- )
- }
+ listOf(Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT)
}
- val context = LocalContext.current
- val permsMissing =
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
- stringResource(Res.string.permission_missing_31)
- } else {
- stringResource(Res.string.permission_missing)
- }
- val coroutineScope = rememberCoroutineScope()
-
- val singlePermissionState =
- rememberPermissionState(
- permission = Manifest.permission.ACCESS_BACKGROUND_LOCATION,
- onPermissionResult = { granted ->
- scanModel.refreshPermissions()
- scanModel.startScan()
- },
- )
-
val permissionsState =
rememberMultiplePermissionsState(
permissions = bluetoothPermissionsList,
onPermissionsResult = { permissions ->
val granted = permissions.values.all { it }
- if (permissions.getOrDefault(Manifest.permission.ACCESS_COARSE_LOCATION, false)) {
- coroutineScope.launch { context.showToast(permsMissing) }
- singlePermissionState.launchPermissionRequest()
- }
if (granted) {
scanModel.refreshPermissions()
scanModel.startScan()
- } else {
- coroutineScope.launch { context.showToast(permsMissing) }
}
},
)
@@ -231,12 +192,7 @@ fun BLEDevices(
} else {
// Show a message and a button to grant permissions if not all granted
EmptyStateContent(
- text =
- if (permissionsState.shouldShowRationale) {
- stringResource(Res.string.permission_missing)
- } else {
- stringResource(Res.string.permission_missing_31)
- },
+ text = stringResource(Res.string.permission_missing_31),
actionButton = {
Button(onClick = { checkPermissionsAndScan(permissionsState, scanModel, bluetoothEnabled) }) {
Text(text = stringResource(Res.string.grant_permissions))
diff --git a/config.properties b/config.properties
index 9f910ff05e..b8a49613ce 100644
--- a/config.properties
+++ b/config.properties
@@ -20,7 +20,7 @@ VERSION_CODE_OFFSET=29314197
# Application and SDK versions
APPLICATION_ID=com.geeksville.mesh
-MIN_SDK=26
+MIN_SDK=32
TARGET_SDK=36
COMPILE_SDK=36
diff --git a/core/common/src/androidMain/kotlin/org/meshtastic/core/common/ContextServices.kt b/core/common/src/androidMain/kotlin/org/meshtastic/core/common/ContextServices.kt
index 51ed91048c..7015c87ed7 100644
--- a/core/common/src/androidMain/kotlin/org/meshtastic/core/common/ContextServices.kt
+++ b/core/common/src/androidMain/kotlin/org/meshtastic/core/common/ContextServices.kt
@@ -21,7 +21,6 @@ import android.Manifest
import android.content.Context
import android.content.pm.PackageManager
import android.location.LocationManager
-import android.os.Build
import androidx.core.content.ContextCompat
/** Checks if the device has a GPS receiver. */
@@ -44,22 +43,12 @@ fun Context.gpsDisabled(): Boolean {
* Determines the list of Bluetooth permissions that are currently missing. Internal helper for
* [hasBluetoothPermission].
*
- * For Android S (API 31) and above, this includes [Manifest.permission.BLUETOOTH_SCAN] and
- * [Manifest.permission.BLUETOOTH_CONNECT]. For older versions, it includes [Manifest.permission.ACCESS_FINE_LOCATION]
- * as it is required for Bluetooth scanning.
+ * This includes [Manifest.permission.BLUETOOTH_SCAN] and [Manifest.permission.BLUETOOTH_CONNECT].
*
* @return Array of missing Bluetooth permission strings. Empty if all are granted.
*/
private fun Context.getBluetoothPermissions(): Array {
- val requiredPermissions = mutableListOf()
-
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
- requiredPermissions.add(Manifest.permission.BLUETOOTH_SCAN)
- requiredPermissions.add(Manifest.permission.BLUETOOTH_CONNECT)
- } else {
- // ACCESS_FINE_LOCATION is required for Bluetooth scanning on pre-S devices.
- requiredPermissions.add(Manifest.permission.ACCESS_FINE_LOCATION)
- }
+ val requiredPermissions = listOf(Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT)
return requiredPermissions
.filter { ContextCompat.checkSelfPermission(this, it) != PackageManager.PERMISSION_GRANTED }
.toTypedArray()
diff --git a/core/data/src/main/kotlin/org/meshtastic/core/data/repository/LocationRepository.kt b/core/data/src/main/kotlin/org/meshtastic/core/data/repository/LocationRepository.kt
index 35d087bf33..05e9895285 100644
--- a/core/data/src/main/kotlin/org/meshtastic/core/data/repository/LocationRepository.kt
+++ b/core/data/src/main/kotlin/org/meshtastic/core/data/repository/LocationRepository.kt
@@ -77,7 +77,7 @@ constructor(
val providerList = buildList {
val providers = allProviders
- if (android.os.Build.VERSION.SDK_INT >= 31 && LocationManager.FUSED_PROVIDER in providers) {
+ if (LocationManager.FUSED_PROVIDER in providers) {
add(LocationManager.FUSED_PROVIDER)
} else {
if (LocationManager.GPS_PROVIDER in providers) add(LocationManager.GPS_PROVIDER)
diff --git a/core/model/src/main/kotlin/org/meshtastic/core/model/util/DistanceExtensions.kt b/core/model/src/main/kotlin/org/meshtastic/core/model/util/DistanceExtensions.kt
index 35fec459fb..aef6fbc948 100644
--- a/core/model/src/main/kotlin/org/meshtastic/core/model/util/DistanceExtensions.kt
+++ b/core/model/src/main/kotlin/org/meshtastic/core/model/util/DistanceExtensions.kt
@@ -33,20 +33,9 @@ enum class DistanceUnit(val symbol: String, val multiplier: Float, val system: I
companion object {
fun getFromLocale(locale: Locale = Locale.getDefault()): DisplayUnits =
- if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.P) {
- when (LocaleData.getMeasurementSystem(ULocale.forLocale(locale))) {
- LocaleData.MeasurementSystem.SI -> DisplayUnits.METRIC
- else -> DisplayUnits.IMPERIAL
- }
- } else {
- when (locale.country.uppercase(locale)) {
- "US",
- "LR",
- "MM",
- "GB",
- -> DisplayUnits.IMPERIAL
- else -> DisplayUnits.METRIC
- }
+ when (LocaleData.getMeasurementSystem(ULocale.forLocale(locale))) {
+ LocaleData.MeasurementSystem.SI -> DisplayUnits.METRIC
+ else -> DisplayUnits.IMPERIAL
}
}
}
diff --git a/core/ui/src/main/kotlin/org/meshtastic/core/ui/theme/Theme.kt b/core/ui/src/main/kotlin/org/meshtastic/core/ui/theme/Theme.kt
index ec1d09cdb7..25756d6faa 100644
--- a/core/ui/src/main/kotlin/org/meshtastic/core/ui/theme/Theme.kt
+++ b/core/ui/src/main/kotlin/org/meshtastic/core/ui/theme/Theme.kt
@@ -19,7 +19,6 @@
package org.meshtastic.core.ui.theme
-import android.os.Build
import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
import androidx.compose.material3.MaterialExpressiveTheme
@@ -283,7 +282,7 @@ fun AppTheme(
) {
val colorScheme =
when {
- dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+ dynamicColor -> {
val context = LocalContext.current
if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
}