i want to transfer data from activity to fragment but i get "Error inflating class fragment" I have searched for solution for that problem but still can't. this is my full code of FirstFragment.kt import android.os.Bundle import android.view.LayoutInflater import android.view.View…
Problem: I'd like to run an app on my Phone from my laptop, via USB, using Android Studio, while my phone is physically connected to another USB device (a remote controller for a drone). In this case, I have: My…
After updating gradle plugin from 7.1.3 to 7.2.1, when attempting to build and install our app in AndroidStudio I get the error INSTALL_FAILED_INVALID_APK ... base.apk is missing. I noticed, that the built apk file is very small (~6 MB instead…
what the function does is deviding the numertor with the denomirator and updates the app's text view accordingly after every second, the problem is that it doesn't update the screen its just simply shows the original number of the numerator…
package com.example.appthree; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.webkit.WebView; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); String Htmlurl = "file://android_assets/index.html"; WebView view = (WebView) this.findViewById(R.id.webView); view.getSettings().setJavaScriptEnabled(true); view.loadUrl(Htmlurl); } } This is my MainActivity.java file.…
Flutter shows error Non-nullable instance field '_areas' must be initialized. Maybe this is because of not defining null in lists areas what when defining null Like List? _areas; it shows an error on the index Error: Field '_areas' should be…
I wa using flutter bluetooth serial package to recieve data from a microcontroller. When i send integer values from the microcontroller, I get the values in this form: [64], [144, 22]] the last number in the list(22) is the actual…
Declaring a Box like this results in a compilation error Box(modifier = Modifier .fillMaxWidth() .align(Alignment.Center)) { Text(text = "Hello") } import for align looks like this import androidx.compose.foundation.layout.BoxScopeInstance.align Error Cannot access 'BoxScopeInstance': it is internal in 'androidx.compose.foundation.layout' Compose Version =…
everyone! I am writing unit tests for the mobile app. But I have an error that I don't know how to solve. The error has the following form: java.lang.NullPointerException at androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor(AppCompatDelegateImpl.java:841) at androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor(AppCompatDelegateImpl.java:806) at androidx.appcompat.app.AppCompatDelegateImpl.findViewById(AppCompatDelegateImpl.java:630) at androidx.appcompat.app.AppCompatActivity.findViewById(AppCompatActivity.java:223) at com.example.projectMP3.SplashScreenActivityTest.testLaunchOfNewActivity(SplashScreenActivityTest.java:14) at…
I copy/paste the already created .db file to my android studio project, but it is crashing my app. That database file is working fine on another android studio project but it is giving exceptions and causing the app to crash…