initApp static method
This method must be called once before sending the request to the Backendless
server.
Must be an app ID and API key or custom domain.
Implementation
static Future initApp(
{String? applicationId,
String? androidApiKey,
String? iosApiKey,
//String? jsApiKey,
String? customDomain}) async {
if (customDomain != null && customDomain.isNotEmpty) {
_prefs.initPreferences(customDomain: customDomain);
_channelNative.setMethodCallHandler(
(call) => _NativeFunctionsContainer.backendlessEventHandler(call));
return;
} else if (applicationId?.isNotEmpty ?? true) {
String? apiKey;
if (kIsWeb) {
throw PlatformException(
code: '0',
message: 'In alpha version web unsupported for this skd.');
//apiKey = jsApiKey;
} else if (io.Platform.isAndroid) {
apiKey = androidApiKey;
} else {
_channelNative.setMethodCallHandler(
(call) => _NativeFunctionsContainer.backendlessEventHandler(call));
apiKey = iosApiKey;
}
if (apiKey == null) {
throw ArgumentError.value(ExceptionMessage.emptyNullApiKey);
}
await _prefs.initPreferences(appId: applicationId, apiKey: apiKey);
_isInitialized = true;
return;
}
throw ArgumentError.value(ExceptionMessage.emptyNullAppId);
}