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GT2/GT2-iOS/node_modules/react-native-maps/docs/installation.md

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Installation

First, download the library from npm:

npm install react-native-maps --save

Get a map developer key

Go to https://developers.google.com/maps/documentation/ios-sdk/get-api-key and get your key.

Without this key the map won't render anything.

IMPORTANT!!

!! DO NOT USE !! react-native link

iOS - CocoaPods

Setup your Podfile (found at /ios/Podfile as below, replace all references to AirMapsExplorer with your project name, and then run pod install while in the ios folder.

# Uncomment the next line to define a global platform for your project
# platform :ios, '9.0'

target 'AirMapsExplorer' do
  rn_path = '../node_modules/react-native'

    pod 'yoga', path: "#{rn_path}/ReactCommon/yoga/yoga.podspec"
    pod 'React', path: rn_path, subspecs: [
      'Core',
      'RCTActionSheet',
      'RCTAnimation',
      'RCTGeolocation',
      'RCTImage',
      'RCTLinkingIOS',
      'RCTNetwork',
      'RCTSettings',
      'RCTText',
      'RCTVibration',
      'RCTWebSocket',
      'BatchedBridge'
    ]

    pod 'GoogleMaps'  # Remove this line if you don't want to support GoogleMaps on iOS
    pod 'react-native-maps', path: '../node_modules/react-native-maps'
    pod 'react-native-google-maps', path: '../node_modules/react-native-maps'  # Remove this line if you don't want to support GoogleMaps on iOS
end

post_install do |installer|
  installer.pods_project.targets.each do |target|
    if target.name == 'react-native-google-maps'
      target.build_configurations.each do |config|
        config.build_settings['CLANG_ENABLE_MODULES'] = 'No'
      end
    end
    if target.name == "React"
      target.remove_from_project
    end
  end
end

If you want to Google maps

Add to `ios/YOUR_PROJECT_NAME/AppDelegate.m:

+ @import GoogleMaps; //add this line if you want to use GoogleMaps
@implementation AppDelegate
...

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{

+  [GMSServices provideAPIKey:@"_YOUR_API_KEY"]; // add this line using the api key obtained from Google Console

Android

  1. In your android/app/build.gradle add:

    ...
dependencies {
  ...
  compile project(':react-native-maps')
}

    If you have a different play services than the one included in this library, use the following instead (switch 10.0.1 for the desired version):

    ...
dependencies {
    ...
    compile(project(':react-native-maps')){
        exclude group: 'com.google.android.gms', module: 'play-services-base'
        exclude group: 'com.google.android.gms', module: 'play-services-maps'
    }
    compile 'com.google.android.gms:play-services-base:10.0.1'
    compile 'com.google.android.gms:play-services-maps:10.0.1'
}

  2. In your android/settings.gradle add:

    ...
include ':react-native-maps'
project(':react-native-maps').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-maps/lib/android')

  3. Specify your Google Maps API Key:

    Add your API key to your manifest file (android\app\src\main\AndroidManifest.xml):

    <application>
    <!-- You will only need to add this meta-data tag, but make sure it's a child of application -->
    <meta-data
      android:name="com.google.android.geo.API_KEY"
      android:value="Your Google maps API Key Here"/>
</application>

    Note: As shown above, com.google.android.geo.API_KEY is the recommended metadata name for the API key. A key with this name can be used to authenticate to multiple Google Maps-based APIs on the Android platform, including the Google Maps Android API. For backwards compatibility, the API also supports the name com.google.android.maps.v2.API_KEY. This legacy name allows authentication to the Android Maps API v2 only. An application can specify only one of the API key metadata names. If both are specified, the API throws an exception. Source: https://developers.google.com/maps/documentation/android-api/signup

  4. Add import com.airbnb.android.react.maps.MapsPackage; and new MapsPackage() in your MainApplication.java :

    import com.airbnb.android.react.maps.MapsPackage;
...
@Override
     protected List<ReactPackage> getPackages() {
         return Arrays.<ReactPackage>asList(
                 new MainReactPackage(),
                 new MapsPackage()
         );
     }

  5. Ensure that you have Google Play Services installed:

  • For Genymotion you can follow these instructions.
  • For a physical device you need to search on Google for 'Google Play Services'. There will be a link that takes you to the Play Store and from there you will see a button to update it (do not search within the Play Store).

Troubleshooting

If you have a blank map issue, (#118, #176, #684), try the following lines :

On iOS:

If you have ran 'react-native link` by mistake:

  1. delete node_modules
  2. delete ios/Pods
  3. delete ios/Podfile.lock
  4. open Xcode and delete AIRMaps.xcodeproj from Libraries if it exists
  5. in Build Phases -> Link Binary With Libraries delete libAIRMaps.a if it exists
  6. delete ios/build folder
  7. start again with the installation steps

On Android:

  1. Be sure to have new MapsPackage() in your MainApplication.java :

    import com.airbnb.android.react.maps.MapsPackage;
...
@Override
     protected List<ReactPackage> getPackages() {
         return Arrays.<ReactPackage>asList(
                 new MainReactPackage(),
                 new MapsPackage()
         );
     }

  2. Set this Stylesheet in your map component

    import MapView from 'react-native-maps';
...
const styles = StyleSheet.create({
  container: {
    ...StyleSheet.absoluteFillObject,
    height: 400,
    width: 400,
    justifyContent: 'flex-end',
    alignItems: 'center',
  },
  map: {
    ...StyleSheet.absoluteFillObject,
  },
});

module.exports = class MyApp extends React.Component {
  render() {
    const { region } = this.props;
    console.log(region);

    return (
      <View style ={styles.container}>
        <MapView
          style={styles.map}
          region={{
            latitude: 37.78825,
            longitude: -122.4324,
            latitudeDelta: 0.015,
            longitudeDelta: 0.0121,
          }}
        >
        </MapView>
      </View>
    );
  }
}

  3. Run "android" and make sure all packages are up-to-date.

  4. If not installed yet, you have to install the following packages :

    • Extras / Google Play services
    • Extras / Google Repository
    • Android 6.0 (API 23) / Google APIs Intel x86 Atom System Image Rev. 19
    • Android SDK Build-tools 23.0.3

  5. Go to Google API Console and select your project, or create one. Then, once enabled, select Go to credentials. Select Google Maps Android API and create a new key. Enter the name of the API key and create it.

  6. Clean the cache :

 watchman watch-del-all
 npm cache clean

  1. When starting emulator, make sure you have enabled Wipe user data.

  2. Run react-native run-android

  3. If you encounter com.android.dex.DexException: Multiple dex files define Landroid/support/v7/appcompat/R$anim, then clear build folder.

 cd android
 ./gradlew clean
 cd ..

  1. If you are using Android Virtual Devices (AVD), ensure that Use Host GPU is checked in the settings for your virtual device.

  2. If using an emulator and the only thing that shows up on the screen is the message: [APPNAME] won't run without Google Play services which are not supported by your device., you need to change the emulator CPU/ABI setting to a system image that includes Google APIs. These may need to be downloaded from the Android SDK Manager first.