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Fix Android external power detection #101

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Merged
Chris-ObtuseAI merged 1 commit into from
Aug 13, 2026
Merged

Fix Android external power detection #101

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9 changes: 8 additions & 1 deletion crates/tauri-plugin-rampage-edge/android/src/main/java/RampageEdgePlugin.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@ package ai.obtuse.rampage.edge

import android.app.Activity
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.content.res.Configuration
import android.os.BatteryManager
import android.os.Build
Expand Down Expand Up @@ -65,7 +67,9 @@ class RampageEdgePlugin(private val activity: Activity) : Plugin(activity) {
private fun readStatus(): JSObject {
val battery = activity.getSystemService(Context.BATTERY_SERVICE) as BatteryManager
val power = activity.getSystemService(Context.POWER_SERVICE) as PowerManager
val batteryStatus = activity.registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
val capacity = battery.getIntProperty(BatteryManager.BATTERY_PROPERTY_CAPACITY)
val plugged = batteryStatus?.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) ?: 0
val thermal = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
when (power.currentThermalStatus) {
PowerManager.THERMAL_STATUS_NONE -> 100
Expand All @@ -89,7 +93,10 @@ class RampageEdgePlugin(private val activity: Activity) : Plugin(activity) {
put("foreground", resumed && donationRequested)
put("donationRequested", donationRequested)
put("batteryPercent", if (capacity in 0..100) capacity else 0)
put("onExternalPower", battery.isCharging)
// A data-heavy USB connection may supply external power without increasing the battery
// at that instant. Donation policy cares whether the owner supplied power, not whether
// Android's instantaneous charging heuristic is positive.
put("onExternalPower", plugged != 0)
put("lowPowerMode", power.isPowerSaveMode)
put("thermalHeadroomPercent", thermal)
put("screenKeptAwake", donationRequested)
Expand Down
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