NullPointerException when trying to get location (ANDROID ONLY)

[amobarak]

Works fine on iOS but not android, this is happening after I updated to latest version of nativescript 6.

Nativescript-geolocation version: 5.1.0 Nativescript CLI: 6

I added this to the app.gradle:

android {
project.ext { googlePlayServicesVersion = "15.0.1" } }

and this to the before-plugins.gradle:

project.ext { googlePlayServicesVersion = "+" }

I get the following error:

JS: ERROR Error: Uncaught (in promise): Error: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference JS: android.app.Dialog.(Dialog.java:171) JS: android.app.Dialog.(Dialog.java:155) JS: cn.refactor.lib.colordialog.PromptDialog.(PromptDialog.java:56) JS: cn.refactor.lib.colordialog.PromptDialog.(PromptDialog.java:52) JS: com.tns.Runtime.callJSMethodNative(Native Method) JS: com.tns.Runtime.dispatchCallJSMethodNative(Runtime.java:1242) JS: com.tns.Runtime.callJSMethodImpl(Runtime.java:1122) JS: com.tns.Runtime.callJSMethod(Runtime.java:1109) JS: com.tns.Runtime.callJSMethod(Runtime.java:1089) JS: com.tns.Runtime.callJSMethod(Runtime.java:1081) JS: com.tns.gen.com.google.android.gms.location.LocationCallback_vendor_9106477.onLocationResult(LocationCallback_vendor_9106477.java:19) JS: com.google.android.gms.internal.location.zzau.notifyListener(Unknown Source) JS: com.google...

The code I'm using:

    geolocation.enableLocationRequest().then(() => {
        geolocation.getCurrentLocation({ desiredAccuracy: 3, maximumAge: 5000, timeout: 20000, minimumUpdateTime: 10 }).then(
            (location) => {
                this.locationChanged.next(location);
            },
            () => {
                this.locationChanged.error(null)
            }
        )
    }, () => {
        this.alert.showError("Error setting location, please enable GPS", "Got it");
    }
    )