I have a app that read data from SQL and I want to show in a recyclerview. but I have a problem cause to dosen't show data in list by this warning: W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'void…
Has anyone encountered this error in Windows? using Quasar Cordova Android. upon checking for the requirements using "cordova requirements" Requirements check results for android: Java JDK: installed 1.8.0 Android SDK: installed true Android target: installed android-32,android-30 Gradle: installed C:Gradlegradlebingradle.BAT It's…
i will repeat 10 of the following code but i ask for How do I shorten the following code ? Is there a short way to repeat this code without typing it all ? <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="24dp" android:text=" view…
When I bought the new laptop, to copy my android studio projects from old laptop to new laptop, I just copied all the projects from the folder AndroidStudioProjects to respective folder in new laptop. Usually it used to work. But…
I have this code in activity A : private fun randomImage() { val number: Int = (1..4).random() if (!selectedImageList.contains(number)) selectedImageList.add(number) if (selectedImageList.size == 2) return else randomImage() } and have this code in activity B : private fun setImages(binding: ActivityP1Binding)…
I am trying to build an app which retrieves all the table data and display it on the screen.I have made it using a list builder widget .I wanted to add a header to each of the rows retrieved .I…
MainActivity.java Spinner spinner = (Spinner) findViewById(R.id.spinner); ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.Door_array, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); Button button = (Button)findViewById(R.id.Button1); button.setText(spinner.getSelectedItem().toString()); } }
How I can record video only with MediaRecorder? I found the solution that simply leaving out the AudioSource will do that but unfortunately doesn't work on Android 10+. If I do that MediaRecorder.prepare() fails. I can't find a solution on…
How to make them access the same database? I have a web and mobile application and I need them to access the msm sql file to do the crud the problem is that one of them I stored in godaddy…
I am working on a simple app to become acquainted with RecyclerView in Android. When overriding the onBindViewHolder method in my adapter, Android Studio does not recognize the id corresponding to the element to which it should bind data. Layout…