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Fix WiFi list duplicates and ignore cancelled operation errors

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- Deduplicate WiFi networks by SSID, keeping strongest signal
- Skip empty SSIDs from BLE response
- Ignore "Operation was cancelled" (error code 2) which is normal
  during cleanup when subscription is removed

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Sergei 2026-01-26 18:47:17 -08:00
parent 20911fe521
commit c17292ea48
1 changed files with 30 additions and 8 deletions
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38
services/ble/BLEManager.ts
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@ -260,12 +260,23 @@ export class RealBLEManager implements IBLEManager {
// Safe reject wrapper to handle null error messages (Android BLE crash fix)
const safeReject = (error: any) => {
if (responseReceived) return;
// Extract error code (numeric or string)
const errorCode = error?.errorCode || error?.code || 'BLE_ERROR';
// Ignore "Operation was cancelled" (code 2) - this is expected when we cleanup
// This happens when subscription is removed but BLE still tries to send callback
if (errorCode === 2 || errorCode === 'OperationCancelled' ||
(error?.message && error.message.includes('cancelled'))) {
console.log('[BLE] Ignoring cancelled operation (normal cleanup)');
return;
}
responseReceived = true;
cleanup();
// Ensure error has a valid message (fixes Android NullPointerException)
const errorMessage = error?.message || error?.reason || 'BLE operation failed';
const errorCode = error?.errorCode || error?.code || 'BLE_ERROR';
reject(new Error(`[${errorCode}] ${errorMessage}`));
};
@ -366,19 +377,30 @@ export class RealBLEManager implements IBLEManager {
}
}
const networks: WiFiNetwork[] = [];
// Use Map to deduplicate by SSID, keeping the strongest signal
const networksMap = new Map<string, WiFiNetwork>();
for (let i = 3; i < parts.length; i++) {
const [ssid, rssiStr] = parts[i].split(',');
if (ssid && rssiStr) {
networks.push({
ssid: ssid.trim(),
rssi: parseInt(rssiStr, 10),
});
const trimmedSsid = ssid.trim();
const rssi = parseInt(rssiStr, 10);
// Skip empty SSIDs
if (!trimmedSsid) continue;
// Keep the one with strongest signal if duplicate
const existing = networksMap.get(trimmedSsid);
if (!existing || rssi > existing.rssi) {
networksMap.set(trimmedSsid, {
ssid: trimmedSsid,
rssi: rssi,
});
}
}
}
// Sort by signal strength (strongest first)
return networks.sort((a, b) => b.rssi - a.rssi);
// Convert to array and sort by signal strength (strongest first)
return Array.from(networksMap.values()).sort((a, b) => b.rssi - a.rssi);
}
async setWiFi(deviceId: string, ssid: string, password: string): Promise<boolean> {