val btnAdd = findViewById<Button>(R.id.btnAdd) val btnSub = findViewById<Button>(R.id.btnSub) btnAdd.setOnClickListener { val tx1 = findViewById<TextInputEditText>(R.id.tx1).toString().toInt() val tx2 = findViewById<TextInputEditText>(R.id.tx2).toString().toInt() var result = findViewById<TextView>(R.id.result) result.text = (tx1 + tx2).toString() } I want to sum tx1 and tx2 but i get this message…
I want to integrate Vimeo Api in to my android application and the problem is after i add the dependency like implementation "com.github.vimeo.vimeo-networking-java:vimeo-networking:3.12.0" implementation "com.github.vimeo.vimeo-networking-java:models:3.12.0" But after syncing with my project when i try to run the project or build…
I make and Android App in Android Studio, and I have some problems with passing Float array from one Activity to another (I wanna pass this array and make a chart with MPAndroidChart). I found here how to pass a…
I want to create the splash screen in flutter. I have svg image file and don't want to convert into JPG or PNG. Is there any way to create the splash screen with svg image file in Flutter? Want to…
I am trying to run my Flutter app in Android Studio. But when I try to select a device to launch, I am prompted to launch the Android Emulator, which is already running. When running the flutter devices command, the…
I've just finished my Java module at Uni and was starting to experiment with Andriod studio. I updated it today to Flamingo and started a new project, and now it is defaulting to Kotlin. I've only just learnt java and…
I would like it to show and hide when eyes are clicked TextFormField( keyboardType: TextInputType.visiblePassword, obscureText: true, decoration: const InputDecoration( labelText: "Entrez votre mot de passe", border: OutlineInputBorder(), prefixIcon: Icon(Icons.lock), suffixIcon: Icon(Icons.remove_red_eye), ), ) I would like it to show…
i'm having a broadcast reciever: private final BroadcastReceiver mediaReceiver = new MediaChangeReceiver(this); and i'm adding filters to it IntentFilter filter = new IntentFilter(); filter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED); filter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED); filter.addAction(Intent.ACTION_HEADSET_PLUG); context.registerReceiver(mediaReceiver, filter); and I have listener to listen for that calls @Override public void…
Hello i am getting such an error i couldn't find the solution for the error ; java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.chatapp/com.example.chatapp.MainActivity}: java.lang.NullPointerException: findViewById(R.id.addtoUserFriendList) must not be null My Code is: private lateinit var userRecyclerView: RecyclerView private lateinit var userList:…
With some version of Android Studio it started to automatically switch to Run tab when I start the app which is very annoying, I want to keep the Logcat tab always How to disable such behaviour? Even after I did…