I am trying to get UTC time in my application but unfortunately every time I am getting my current emulator Date and Time Instead of UTC. Tried, Calendar cal = Calendar.getInstance(TimeZone.getTimeZone(“UTC”)); ZonedDateTime utcTime = ZonedDateTime.now(ZoneOffset.UTC); DateTime now = DateTime.now(…
Tag: android
Attempt to invoke virtual method ‘android.view.View com.google.android.exoplayer2.ui.PlayerView.findViewById(int)’ on a null object reference
the error is here: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method ‘android.view.View com.google.android.exoplayer2.ui.PlayerView.findViewById(int)’ on a null object reference at com.wk.videoplayer.PlayerActivity.onCreate(PlayerActivity.java:32) Here is the XML code of …
BottomNavigation, FragmentManager has not been attached to a host
I have moved BottomNavigation codes from MainActivity to A class I have created for the BottomNaviction to make the code more organizing. When I moved the codes I got this error java.lang.RuntimeException: Unable to start activity ComponentInfo{com.moataz.mox/com.moataz.mox.ui.view.activity.MainActivity}: jav…
Getting error : Could not deserialize object. Failed to convert a value of type java.lang.String to long
enter image description hereI have tried changing values many times. Now I have the same values in Firebas. It’s working if I give the values manually in code, but it’s not working while I try to get the info from Firestore. But still, I’m getting this error continuously: That’s my Mod…
Android Socket BufferedReader readLine() not working when reading from the InputStream
I am trying to loop code inside a thread in order to check for new data form the server periodically. I am using InputStream.available() in order to check if there are any bytes to be read. If so, I open a new Thread and try to read the data using BufferedReader and then log it to the console. In onCreate:
How I can position an Imageview On Runtime at specific coordinates during on a DragEvent?
My app has the following view: And the Following activity: At the following lines: I try to place an image into a view but I fail to do so. My aim with this activity is to draw and reposition some items on a Custom Layout? What I want is some sort of view where I can position the ImageView. Do
Kotlin to Java migration
I am unable to translate(from Kotlin to Java) or understand this statement service.connectionListener = { addConnection(it) } which is found in the inner class of the following file: I was unable to translate the above statement (commented out): Answer This code in Kotlin: Corresponds to this code in Java: It…
How can we check whether the device support HS2.0(Hotspot 2.0) or Passpoint Configuration in Android?
Most of the devices above Android 10 is supporting the Passpoint Configuration or Hostspot 2.0. But not all Lower than Android 10 devices not supporting this functionality. Is there any way so that we can check for Passpoint Configuration support before adding it. Answer Below code snippet will return result …
When uploading a image for one user to firebase storage, the link of the image updates for every user in database
I’m creating this app in Android Studio using Firebase Realtime Database and Firebase Storage. When a user registers through my app the data will store in the Firebase Realtime Database. Then on the profile page, there is a place to upload a picture. When a user uploads a picture it will store in the fi…
‘canAuthenticate()’ is deprecated in android
What should I use instead of biometricManager.canAuthenticate() is deprecated. Doc says This method is deprecated. Use canAuthenticate(int) instead. How to use canAuthenticate(int) like the above manner. Answer The direct replacement for your code would look something like: According to the javadoc, the possi…