nRF UART app (iOS) - Selecting Device

Question

Hi there, 
 I'm currently using the nRF UART app for iOS (v1.0.1), and I noticed it doesn't work the same as the Android app (v2). The key difference is the ability to select which BLE device to connect to. On the iPhone, upon hitting 'Connect', the app would just scan and connect to the strongest RSSI device around? I would like to modify the iOS source-code so that which hitting 'Connect', I'm able to select which device to connect to first before establishing a connection. I'm unfamiliar to objective-C, thus any help or leads would be great (I have the source-code for iOS v1.0.1) 
 Thanks!

Anders Strand · Accepted Answer

Hello.
The nRF uart app for iOS is old (2013).
I recommend that you use either the nrf toolbox , or the nRF master control panel .
You can find the source for nrf toolbox here . 
 If you still want to modify the old uart app (I do not recommend this): 
 In the file ViewController.m, we find the function - (IBAction)connectButtonPressed:(id)sender at line 55. Inside it, we find a switch case: 
 switch (self.state) {
 case IDLE:
 self.state = SCANNING;
 
 NSLog(@"Started scan ...");
 [self.connectButton setTitle:@"Scanning ..." forState:UIControlStateNormal];
 
 [self.cm scanForPeripheralsWithServices:@[UARTPeripheral.uartServiceUUID] options:@{CBCentralManagerScanOptionAllowDuplicatesKey: [NSNumber numberWithBool:NO]}];
 break;
 
 This tells iOS to scan for just one UUID. If you want to scan for all UUID, leave the UUID array empty. See the iOS documentation . 
 The callback function on line 167 
 (void) centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI
 
 Is called when a suitable device has been found. If you want to create a list over device, this is where you must do it. 
 -Anders

nRF UART app (iOS) - Selecting Device

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