feat(android): add device status and info handler

apps/android/app/src/main/java/ai/openclaw/android/node/DeviceHandler.kt

@@ -0,0 +1,174 @@
+package ai.openclaw.android.node
+
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.ConnectivityManager
+import android.net.NetworkCapabilities
+import android.os.BatteryManager
+import android.os.Build
+import android.os.Environment
+import android.os.PowerManager
+import android.os.StatFs
+import android.os.SystemClock
+import ai.openclaw.android.BuildConfig
+import ai.openclaw.android.gateway.GatewaySession
+import java.util.Locale
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.buildJsonArray
+import kotlinx.serialization.json.buildJsonObject
+import kotlinx.serialization.json.put
+
+class DeviceHandler(
+  private val appContext: Context,
+) {
+  fun handleDeviceStatus(_paramsJson: String?): GatewaySession.InvokeResult {
+    return GatewaySession.InvokeResult.ok(statusPayloadJson())
+  }
+
+  fun handleDeviceInfo(_paramsJson: String?): GatewaySession.InvokeResult {
+    return GatewaySession.InvokeResult.ok(infoPayloadJson())
+  }
+
+  private fun statusPayloadJson(): String {
+    val batteryIntent = appContext.registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
+    val batteryStatus =
+      batteryIntent?.getIntExtra(BatteryManager.EXTRA_STATUS, BatteryManager.BATTERY_STATUS_UNKNOWN)
+        ?: BatteryManager.BATTERY_STATUS_UNKNOWN
+    val batteryLevel = batteryLevelFraction(batteryIntent)
+    val powerManager = appContext.getSystemService(PowerManager::class.java)
+    val storage = StatFs(Environment.getDataDirectory().absolutePath)
+    val totalBytes = storage.totalBytes
+    val freeBytes = storage.availableBytes
+    val usedBytes = (totalBytes - freeBytes).coerceAtLeast(0L)
+    val connectivity = appContext.getSystemService(ConnectivityManager::class.java)
+    val activeNetwork = connectivity?.activeNetwork
+    val caps = activeNetwork?.let { connectivity.getNetworkCapabilities(it) }
+    val uptimeSeconds = SystemClock.elapsedRealtime() / 1_000.0
+
+    return buildJsonObject {
+      put(
+        "battery",
+        buildJsonObject {
+          batteryLevel?.let { put("level", JsonPrimitive(it)) }
+          put("state", JsonPrimitive(mapBatteryState(batteryStatus)))
+          put("lowPowerModeEnabled", JsonPrimitive(powerManager?.isPowerSaveMode == true))
+        },
+      )
+      put(
+        "thermal",
+        buildJsonObject {
+          put("state", JsonPrimitive(mapThermalState(powerManager)))
+        },
+      )
+      put(
+        "storage",
+        buildJsonObject {
+          put("totalBytes", JsonPrimitive(totalBytes))
+          put("freeBytes", JsonPrimitive(freeBytes))
+          put("usedBytes", JsonPrimitive(usedBytes))
+        },
+      )
+      put(
+        "network",
+        buildJsonObject {
+          put("status", JsonPrimitive(mapNetworkStatus(caps)))
+          put(
+            "isExpensive",
+            JsonPrimitive(
+              caps?.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED)?.not() ?: false,
+            ),
+          )
+          put(
+            "isConstrained",
+            JsonPrimitive(
+              caps?.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED)?.not() ?: false,
+            ),
+          )
+          put("interfaces", networkInterfacesJson(caps))
+        },
+      )
+      put("uptimeSeconds", JsonPrimitive(uptimeSeconds))
+    }.toString()
+  }
+
+  private fun infoPayloadJson(): String {
+    val model = Build.MODEL?.trim().orEmpty()
+    val manufacturer = Build.MANUFACTURER?.trim().orEmpty()
+    val modelIdentifier = Build.DEVICE?.trim().orEmpty()
+    val systemVersion = Build.VERSION.RELEASE?.trim().orEmpty()
+    val locale = Locale.getDefault().toLanguageTag().trim()
+    val appVersion = BuildConfig.VERSION_NAME.trim()
+    val appBuild = BuildConfig.VERSION_CODE.toString()
+
+    return buildJsonObject {
+      put("deviceName", JsonPrimitive(model.ifEmpty { "Android" }))
+      put("modelIdentifier", JsonPrimitive(modelIdentifier.ifEmpty { listOf(manufacturer, model).filter { it.isNotEmpty() }.joinToString(" ") }))
+      put("systemName", JsonPrimitive("Android"))
+      put("systemVersion", JsonPrimitive(systemVersion.ifEmpty { Build.VERSION.SDK_INT.toString() }))
+      put("appVersion", JsonPrimitive(appVersion.ifEmpty { "dev" }))
+      put("appBuild", JsonPrimitive(appBuild.ifEmpty { "0" }))
+      put("locale", JsonPrimitive(locale.ifEmpty { Locale.getDefault().toString() }))
+    }.toString()
+  }
+
+  private fun batteryLevelFraction(intent: Intent?): Double? {
+    val rawLevel = intent?.getIntExtra(BatteryManager.EXTRA_LEVEL, -1) ?: -1
+    val rawScale = intent?.getIntExtra(BatteryManager.EXTRA_SCALE, -1) ?: -1
+    if (rawLevel < 0 || rawScale <= 0) return null
+    return rawLevel.toDouble() / rawScale.toDouble()
+  }
+
+  private fun mapBatteryState(status: Int): String {
+    return when (status) {
+      BatteryManager.BATTERY_STATUS_CHARGING -> "charging"
+      BatteryManager.BATTERY_STATUS_FULL -> "full"
+      BatteryManager.BATTERY_STATUS_DISCHARGING, BatteryManager.BATTERY_STATUS_NOT_CHARGING -> "unplugged"
+      else -> "unknown"
+    }
+  }
+
+  private fun mapThermalState(powerManager: PowerManager?): String {
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+      return "nominal"
+    }
+    val thermal = powerManager?.currentThermalStatus ?: return "nominal"
+    return when (thermal) {
+      PowerManager.THERMAL_STATUS_NONE, PowerManager.THERMAL_STATUS_LIGHT -> "nominal"
+      PowerManager.THERMAL_STATUS_MODERATE -> "fair"
+      PowerManager.THERMAL_STATUS_SEVERE -> "serious"
+      PowerManager.THERMAL_STATUS_CRITICAL,
+      PowerManager.THERMAL_STATUS_EMERGENCY,
+      PowerManager.THERMAL_STATUS_SHUTDOWN -> "critical"
+      else -> "nominal"
+    }
+  }
+
+  private fun mapNetworkStatus(caps: NetworkCapabilities?): String {
+    if (caps == null) return "unsatisfied"
+    return if (caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) {
+      "satisfied"
+    } else {
+      "requiresConnection"
+    }
+  }
+
+  private fun networkInterfacesJson(caps: NetworkCapabilities?) =
+    buildJsonArray {
+      if (caps == null) return@buildJsonArray
+      var hasKnownTransport = false
+      if (caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
+        hasKnownTransport = true
+        add(JsonPrimitive("wifi"))
+      }
+      if (caps.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
+        hasKnownTransport = true
+        add(JsonPrimitive("cellular"))
+      }
+      if (caps.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) {
+        hasKnownTransport = true
+        add(JsonPrimitive("wired"))
+      }
+      if (!hasKnownTransport) add(JsonPrimitive("other"))
+    }
+}