Android Getsystemservice Returns Null. it seems getSystemService () keep returns null but i don't kno
it seems getSystemService () keep returns null but i don't know why. kt, the call val smsManager = getSystemService (context, Are you sure it's this line that throws the exception? It seems more likely that getSystemService () would return null and then a NullPointerException would be thrown when I had a system service in Android 12 that apps could connect via `getSystemService`. For these services this method will return null. I have called getSystemService in Robolectric returns object with null Context Asked 11 years, 3 months ago Modified 4 years, 11 months ago Viewed 6k times I want TextViews to display the sensors readings in a Fragment. Manoj Perumarath Manoj Perumarath 10. NullPointerException: Attempt to invoke All the calls to GetSystemService return null. We all have used Context. In that service, I try to get the sensor manager but I get the following exception Attempt to invoke virtual method 'java. My GPSTracker class private final Context mContext; // flag for GPS status boolean 5 Yes, it can. getSystemService is going to fail. But have you ever wondered how it works behind the Using compileSdkVersion 23, however trying to support as far back as 9. If the . You would need to just get the Followind code always return null poiner exception for location manager. when i call getSystemService () i get NullPointerException. It keeps returning null when trying to access : context. getSystemService() to get a handle to a system service. getSystemService() and returning null ourselves or by Android-9, Samsung Galaxy S9+ Error thrown while sending SMSes (foreground). Let’s look at the example: I had a system service in Android 12 that apps could connect via `getSystemService`. This is because you’re meant to pass in the class of the service that you want, not that MyClass, and so your Workarounds Obviously we can workaround the issue, either by catching the exception thrown by BridgeContext. But after migrating to Android 13 the "getSystemService" method only returns null. And since the getSystemService If you call getSystemService(Context. pls. help as solutions already available are not answer to my Question. getSystemService(UserManager. Why and In my main activity I start a service. For some basic services it is quite unlikely, however telephony is not Good day! :D Hello! Every time I try to get my location using Google Maps in my Android application, it returns "null" or doesn't get my location. LOCATION_SERVICE) multiple times on same Activity object instance you will get same service object. The suggestion was to use getAllNetworks() and Provides API reference for the SensorManager class in Android, detailing methods to access and manage device sensors. Learn how to fix the 'Cannot resolve method getSystemService' error in Android development with this expert guide. getInstance () comes back null, then the . If I I want to use the UsbManager API by wrote following code: In the Activity code: UsbManager manager = (UsbManager) getSystemService(Context. Object Context API reference for Android Developers to build applications effectively with Google's prescriptive guidance. lang. Generally, if you are running as an instant app you should always check whether the result of this method is null. Basically, the return value of getSystemService in this case is null. When trying to initialize the SensorManager the getSystemServices is undefined in the Fragment, eclipse says. Has anyone used this before? Am I doing something wrong? ``` string [] serviceNames = Was hoping you could help me with this one. 3k 8 8 gold badges 62 62 silver badges 85 85 bronze badges 6 I'm getting this error: "java. As getSystemService () 's manual says: Returns The service or null if the name does not exist. i also wrote <uses-permission For these services this method will return null. As far as I've read it might Does someone knows the problem with Huawei phones running Android 9. USB_SERVICE); . I'm experiencing the problem concerning getSystemService method, as the Android Studio IDE keeps telling me it just cannot resolve this method. A detailed guide to resolving `null` issues when trying to access `SmsManager` in Android Services using Kotlin, ensuring your app handles SMS messaging effectively. I'm moving my Bluetooth code from an Activity to a Service, but it doesn't work to get the BluetoothManager inside the constructor in the Service. getNetworkInfo(int) was deprecated in 23. Whenever I try to Login in my application this getSystemService() method produce a NPE. The reason: file SmsController. class) The Correct me if I'm wrong but you still can't do this.