Added iOS/Android support for getting carrier information

README.md

@@ -193,7 +193,7 @@ var DeviceInfo = require('react-native-device-info');
 | Serial Number              | `getSerialNumber()`                | `string`                                                                                      | Only supported in Android
 | IP Address                 | `getIPAddress()`                   | `Promise<string>`                                                                             | Only supported in Android
 | MAC Address                | `getMACAddress()`                  | `Promise<string>`                                                                             | Only supported in Android
-
+| Carrier                    | `getCarrier()`                    | `string` e.g. "SOFTBANK"                                                           |                                                                                                                     | |
 Since the device setting for PIN/Fingerprint can be modified while the app is still open, this is available via callback instead of as a constant.  To use, pass a callback function to the returned bridge function in your javascript:
 
 ```js

RNDeviceInfo/RNDeviceInfo.m

@@ -14,6 +14,8 @@
 @property (nonatomic) bool isEmulator;
 @end
 
+@import CoreTelephony;
+
 @implementation RNDeviceInfo
 
 @synthesize isEmulator;
@@ -150,6 +152,13 @@ RCT_EXPORT_MODULE()
     return deviceName;
 }
 
+- (NSString *) carrier
+{
+    CTTelephonyNetworkInfo *netinfo = [[CTTelephonyNetworkInfo alloc] init];
+    CTCarrier *carrier = [netinfo subscriberCellularProvider];
+    return carrier.carrierName;
+}
+
 - (NSString*) userAgent
 {
 #if TARGET_OS_TV
@@ -204,6 +213,7 @@ RCT_EXPORT_MODULE()
              @"appVersion": [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"] ?: [NSNull null],
              @"buildNumber": [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"],
              @"systemManufacturer": @"Apple",
+             @"carrier": self.carrier ?: [NSNull null],
              @"userAgent": self.userAgent,
              @"timezone": self.timezone,
              @"isEmulator": @(self.isEmulator),

android/src/main/java/com/learnium/RNDeviceInfo/RNDeviceModule.java

@@ -107,6 +107,12 @@ public class RNDeviceModule extends ReactContextBaseJavaModule {
     p.resolve(macAddress);
   }
 
+  @ReactMethod
+  public String getCarrier() {
+    TelephonyManager telMgr = (TelephonyManager) this.reactContext.getSystemService(Context.TELEPHONY_SERVICE);
+    return telMgr.getNetworkOperatorName();
+  }
+
   @Override
   public @Nullable Map<String, Object> getConstants() {
     HashMap<String, Object> constants = new HashMap<String, Object>();
@@ -172,6 +178,7 @@ public class RNDeviceModule extends ReactContextBaseJavaModule {
         TelephonyManager telMgr = (TelephonyManager) this.reactContext.getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
         constants.put("phoneNumber", telMgr.getLine1Number());
     }
+    constants.put("carrier", this.getCarrier());
     return constants;
   }
 }

deviceinfo.d.ts

@@ -28,3 +28,4 @@ export function getIPAddress(): Promise<string>;
 export function getMACAddress(): Promise<string>;
 export function getPhoneNumber(): string;
 export function getAPILevel(): number;
+export function getCarrier(): string;

deviceinfo.js

@@ -5,40 +5,40 @@
 var RNDeviceInfo = require('react-native').NativeModules.RNDeviceInfo;
 
 module.exports = {
-  getUniqueID: function () {
+  getUniqueID: function() {
     return RNDeviceInfo.uniqueId;
   },
   getInstanceID: function() {
     return RNDeviceInfo.instanceId;
   },
-  getSerialNumber: function () {
+  getSerialNumber: function() {
     return RNDeviceInfo.serialNumber;
   },
-  getIPAddress: function () {
+  getIPAddress: function() {
     return RNDeviceInfo.getIpAddress();
   },
-  getMACAddress: function () {
+  getMACAddress: function() {
     return RNDeviceInfo.getMacAddress();
   },
-  getDeviceId: function () {
+  getDeviceId: function() {
     return RNDeviceInfo.deviceId;
   },
-  getManufacturer: function () {
+  getManufacturer: function() {
     return RNDeviceInfo.systemManufacturer;
   },
-  getModel: function () {
+  getModel: function() {
     return RNDeviceInfo.model;
   },
-  getBrand: function () {
+  getBrand: function() {
     return RNDeviceInfo.brand;
   },
-  getSystemName: function () {
+  getSystemName: function() {
     return RNDeviceInfo.systemName;
   },
-  getSystemVersion: function () {
+  getSystemVersion: function() {
     return RNDeviceInfo.systemVersion;
   },
-  getAPILevel: function () {
+  getAPILevel: function() {
     return RNDeviceInfo.apiLevel;
   },
   getBundleId: function() {
@@ -51,7 +51,7 @@ module.exports = {
     return RNDeviceInfo.appVersion;
   },
   getReadableVersion: function() {
-    return RNDeviceInfo.appVersion + "." + RNDeviceInfo.buildNumber;
+    return RNDeviceInfo.appVersion + '.' + RNDeviceInfo.buildNumber;
   },
   getDeviceName: function() {
     return RNDeviceInfo.deviceName;
@@ -74,16 +74,19 @@ module.exports = {
   isTablet: function() {
     return RNDeviceInfo.isTablet;
   },
-  isPinOrFingerprintSet: function () {
+  isPinOrFingerprintSet: function() {
     return RNDeviceInfo.isPinOrFingerprintSet;
   },
-  getFirstInstallTime: function () {
+  getFirstInstallTime: function() {
     return RNDeviceInfo.firstInstallTime;
   },
-  getLastUpdateTime: function () {
+  getLastUpdateTime: function() {
     return RNDeviceInfo.lastUpdateTime;
   },
-  getPhoneNumber: function () {
+  getPhoneNumber: function() {
     return RNDeviceInfo.phoneNumber;
-  }
+  },
+  getCarrier: function() {
+    return RNDeviceInfo.carrier;
+  },
 };

deviceinfo.js.flow

@@ -28,4 +28,5 @@ declare module.exports: {
   getSerialNumber: () => string,
   getIPAddress: () => Promise<string>,
   getMACAddress: () => Promise<string>,
+  getCarrier: () => string,
 }

windows/RNDeviceInfo/RNDeviceInfoModule.cs

@@ -112,6 +112,7 @@ namespace RNDeviceInfo
                 constants["timezone"] = TimeZoneInfo.Local.Id;
                 constants["isEmulator"] = IsEmulator(model);
                 constants["isTablet"] = IsTablet(os);
+                constants["carrier"] = "not available";
 
                 return constants;
             }