Software Development at Program Tom LTD
Place for coding, programming, development and software in general. If you need Java or Flutter Developer, contact me at tomavelev@programtom.com
List of Apps Created By Program Tom Ltd
iOS App Signing is tightly controlled by Apple, and it involves several interconnected pieces: keys, certificates, app identifiers, provisioning profiles, and devices. Let’s break down how they all connect. 🔐 1. Private Key (on Client Machine) Created when you generate a Certificate Signing Request (CSR) on your Mac using Keychain Access. Lives locally in the…
To unzip android-license.zip into the ANDROID_SDK/licenses folder inside a Docker image, you can follow these steps: Copy the zip file into your Docker container: You’ll need to copy the android-license.zip file from your host machine into your Docker container. You can do this by using the COPY instruction in your Dockerfile. Unzip the file: Once…
At their core, many Mobile Apps are Form Wrappers because they essentially package existing web functionality in a more accessible, mobile-friendly format. They’re like polished layers around backend services, optimized to deliver a specific user experience and leverage mobile device capabilities (like notifications, GPS, offline functionality and camera). Smart Form Wrappers Well-designed input fields usually…
Google plugs into the Android Platform for their App Store – their own Play Services lib that is closed source, propietery, obfuscated and required for any meaningful app. 1. Google Sign-In Provides authentication services that allow users to sign in using their Google account. **GoogleSignInActivity.java** “`java import android.app.Activity; import android.os.Bundle; import com.google.android.gms.auth.GoogleSignIn; import com.google.android.gms.auth.GoogleSignInClient; import…
The Android Platform is Fragmented in various ways across different devices and manufacturers. Here are some of the key aspects that may affect your application development. Fragmanted Device Screen Sizes: Small screens (2-3 inches): Most basic feature phones. There are becoming very very few percent, but still – they exist. Medium screens (4-5 inches): Many…
In Google Play, you can create different testing Environments or lanes to manage the testing process of your app. The three main types of testing lanes are. Open Testing Lane Description: An open testing lane is a publicly accessible testing environment where anyone can download and test your app. Features: Anyone with a Google account…
Apps with Graph Data Structure are far too often in broad application types than you think. Long time ago – when I was University – it was marked as good idea – to mix expertise from different humanatory nishes and “connect the dots”. There are tons of applications that use graphs. Navigation between nodes (bonus…
In my opinion – it is great that Flutter provides build-in Material Icons – most commonly used forms and all kinds of user interfaces. One of the powers of platforms are their commonality – so there is small to none learning curve of everyday users. – You have a disadvantage if you want to have…
To achieve putting Watermark on Image with Java Code, you can use the Java Advanced Imaging (JAI) library along with the ImageIO library or java.awt and javax.imageio. You could add Watermark without Java Advanced Imaging Library You can use the java.awt and javax.imageio packages available in the standard Java library for basic image processing. Here’s…
Offline Applications Development is dead – there is need for backend. This is true even for the smallest apps. You need to choose from either firebase or some custom solution. But, all meaningful apps strive to support no internet functionality – especially those targeting end users. Progressive Web Applications are about Offline Mode Offline application…