android: Fix battery temperature reading in EmulationFragment

Replaces the battery temperature reading implementation with a more
compatible approach using ACTION_BATTERY_CHANGED broadcast intent.
This change provides better backwards compatibility and adds proper
error handling for the temperature reading functionality.

2 files changed, 13 insertions, 6 deletions

diff --git a/src/android/app/build.gradle.kts b/src/android/app/build.gradle.kts
index 62299c538..3e5665c2f 100644
--- a/src/android/app/build.gradle.kts
+++ b/src/android/app/build.gradle.kts
@@ -28,7 +28,7 @@ android {
     namespace = "org.citron.citron_emu"
 
     compileSdkVersion = "android-34"
-    ndkVersion = "26.1.10909125" // "27.2.12479018" // "28.0.12433566 rc1"// "28.0.12674087 rc2" // "26.1.10909125"
+    ndkVersion = "27.2.12479018" // "27.2.12479018" // "28.0.12433566 rc1"// "28.0.12674087 rc2" // "26.1.10909125"
 
     buildFeatures {
         viewBinding = true
diff --git a/src/android/app/src/main/java/org/citron/citron_emu/fragments/EmulationFragment.kt b/src/android/app/src/main/java/org/citron/citron_emu/fragments/EmulationFragment.kt
index d39d25898..93a15def9 100644
--- a/src/android/app/src/main/java/org/citron/citron_emu/fragments/EmulationFragment.kt
+++ b/src/android/app/src/main/java/org/citron/citron_emu/fragments/EmulationFragment.kt
@@ -7,6 +7,8 @@ import android.annotation.SuppressLint
 import android.app.AlertDialog
 import android.content.Context
 import android.content.DialogInterface
+import android.content.Intent
+import android.content.IntentFilter
 import android.content.pm.ActivityInfo
 import android.content.res.Configuration
 import android.net.Uri
@@ -1094,10 +1096,15 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     }
 
     private fun getBatteryTemperature(context: Context): Float {
-        val batteryManager = context.getSystemService(Context.BATTERY_SERVICE) as BatteryManager
-        // Get temperature in tenths of a degree Celsius
-        val temperature = batteryManager.getIntProperty(BatteryManager.BATTERY_PROPERTY_TEMPERATURE)
-        // Convert to degrees Celsius
-        return temperature / 10.0f
+        try {
+            val batteryIntent = context.registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
+            // Temperature in tenths of a degree Celsius
+            val temperature = batteryIntent?.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0) ?: 0
+            // Convert to degrees Celsius
+            return temperature / 10.0f
+        } catch (e: Exception) {
+            Log.error("[EmulationFragment] Failed to get battery temperature: ${e.message}")
+            return 0.0f
+        }
     }
 }