java

I am working on an open-source project based on Phonograph. I renamed the package/domain name and I am getting the error: "C:\Users\user\AndroidStudioProjects\Rya Music Player\Play Store\Rya Music Player\app\src\main\java\com\urbannet\ryamusicplayer\glide\BlurTransformation.java:19: error...

I am making an android book app with java using web view and my pages in html. As I am new to this, I am trying to find how to slide from one html page to another instead of clicking buttons. please if you know how , set an example because like I said I am new to this. here is a link to the...

Hello everyone, I'm developing an Android app for my website. It relies heavily on Get requests and Put requests (of course, it includes authentification). I read that android applications don't support sessions as browsers do. Right now, the servlet I made can deliver content to my...

Hi guys, new to app development and new to the forum. Am actually enjoying developing apps as opposed to programs because of the layout designer in android studio but recently have run into a real annoying issue that I can't seem to solve. I'm trying to write an app that allows a user to send...

I am creating a basic app where i can add customers to a database and display them on another screen, i have set up everything using recyclerview and card views to display the customers and that works fine, but im not sure how i set it up so that i can delete the customers. i have added a button...

im currently building a digital signage app, which is running on displays which are based on android 7.*. Everything is working perfectly, except a weird OS behavior: After a while (6-9h) of running the app, android minimizes my application, i don't get any error logs nor do i get a exception...

The error message saying "AAPT: error: 'matchmaker' is incompatible with attribute layout_constraintTop_toTopOf (attr) reference|enum [parent=0]. How to fix it? <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout...

Android manifest code <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.example.Second app"> <uses-sdk android:minSdkVersion="15" android:targetSdkVersion="26" />...

Android manifest. <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.secondapp" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="23"...

My code is <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.Second app"> <application android:allowBackup="true" android:icon="@Mipmap/ic_launcher" android:label="@String/app_name"...

1, I am trying to put an image on my design but it doesn't show up. I put the code in and the code is... <ImageView android:layout_width="match_parent" android:layout_height="300dp" android:background="@drawable/blue_background" app:layout_constraintEnd_toEndOf="parent"...

Good afternoon, members of the forum. I have an application, with MainActivity, which starts a service when the application starts. The service sends a POST request to the server every 10 seconds. Everything is fine, requests are received, but only before the phone screen is locked. If the...

I am trying to implement Chromecast functionality using casty sdk. Ref: https://github.com/DroidsOnRoids/Casty But always getting Fatal Exception: java.lang.IllegalArgumentException width and height must be > 0 android.view.View.draw (View.java:21594) Below is my code //Oncreate()...

I created a service that is supposed to run in the background on a button press and stop on a button press. It's started from a fragment and not an Activity. I can get it to start and run while the screen is on, but the moment my screen turns off, its onDestroy method is called and stops itself...

I'm losing my mind. Spent over 5 hours rearranging code thinking I was one step away from fixing the issue due to being able to have half the functionality with one parameter change, and the other half of the functionality with a different parameter. I WAS WRONG. NOT CLOSE. I'm hoping you guys...

CardView Been clicked and gallery opened, Selected an Image, I'm trying to pass the image selected from the gallery and pass to ImagePreview inside the CardView , the cardview is generated via ArrayList. I'm getting the error like delivering a result java.lang.RuntimeException: Failure...

This is an issue I had posted elsewhere (StackOverflow and JavaRanch) but I had to abandon 5 months ago. Now that I'm back on this project this issue is still present and I'm not sure how to resolve it. I never received a comment or suggestion on previous posts and thought someone may have a...

Tried many methods by changing the code, but it closes every time I press the "Try" button. You can find the Design, XML & Java code below. Also Android Studio is up to date. The "//" is the old code I tried. public class MainActivity extends AppCompatActivity { //int randomNumber...

Hi, I am trying to use retrofit to upload an image from the android device to mysql database and server. Below is the java code that I am using for uploading the image: ``` private void uploadImage() { Bitmap fullSizeBitmap = BitmapFactory.decodeFile(pathToFile); Bitmap...

Hi guys! The issue is clear, I design the app, and when I run the emulator the app looks different. I use the same device for design and emulator (Pixel 3 XL). Apparently I needed to click in one of the attributes on the design page and then click "Infer Constraints". I still have some issues...

Hey guys! I was just wondering, which is the best OS to choose when opening a new project in Android Studio? Is there any other difference, except for the numbers of users using that specific operating system? And which one you recommend me use? Editied : OS=Minimum API level Thanks :)

According to a documentation if you set the EXTRA_DISCOVERABLE_DURATION extra's value to 0, the device is always discoverable. Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE)...

Hello, I'm making a project using android studio and java. I have some data in a realtime firebase database and I'm trying to take the data in an activity then making a text view in another activity have the value of that data. I was able to get the data but I when I try to set the textview to...

I made a dark mode in the settings of my apps and it worked out perfectly BUT I can't save it in SharedPreferences so it will stay how I choose it. I can do a background color in my SharedPreferences but this setting always causes Errors. What do I wrong? I hope someone can help me make it work...

Is there anyone that can guide me step by step on how to use the tess-two library in an android project. I am confused on what to follow as articles online have a weird process to follow while the github repo merely mentions to add a line to the build.gradle. Is there anyone that can help me...