UFW (Uncomplicated Firewall) on Ubuntu 20.04

Introduction UFW, or Uncomplicated Firewall, is a simplified firewall management interface that hides the complexity of lower-level packet filtering technologies such as iptables and nftables. If you’re looking to get started securing your network, and you’re not sure which tool to use, UFW may be the right choice for you. This tutorial will show you how to set … [Read more…]

Preparing for O: The Death of Background Services

Confused about what exactly is changing for background services? We were too. Hopefully this will help clear up some of your concerns and help their heads around the changes required for background processing with Android O. For this post, we are going to focus solely on the background service execution limits. There are also other … [Read more…]

Serializable vs Parcelable

In Android we know that we cannot just pass objects to activities. The objects must be either implements Serializable or Parcelable interface to do this. Serializable Serializable is a standard Java interface. You can just implement Serializable interface and add override methods.The problem with this approach is that reflection is used and it is a … [Read more…]

Implementing In-App Billing for Android

Google provides an easy to use library that is able to handle the payment and querying tasks and shields away lots of the complexity behind it. In this article I present how I implemented the In-App billing functionality for my Live Wallpaper and how I solved the problems that I faced. To be able to … [Read more…]

Icon Reference

Pixel Densities Android icons require five separate sizes for different screen pixel densities. Icons for lower resolution are created automatically from the baseline. Launcher icons Action bar, Dialog & Tab icons These icons are used in the action bar menu. The first number is the size of the icon area, and the second is file … [Read more…]

Open Play Store App from WebView Android

In this tip i show you how we can open android play store app from webview. Open Play Store App from WebView Android .  


WordPress JSON API Plugin

Download & Install the JSON API Plugin The plugin is available at the WordPress website: http://wordpress.org/extend/plugins/json-api/ Download and install from the WordPress Admin interface. Configure the Plugin The plugin features three main functionality: Core: Basic methods for pulling standard post/category/tag/etc. data. Posts: Provides additional functionality with regard to posts, including post creation. Respond: Provides comment … [Read more…]

Android Studio doesn’t see your device

On your device: Go to settings/ developer settings/ allow USB debug mode If ‘allow USB debug mode’ option is disabled. Then you might have the device currently connected to your PC. Disconnect the device and the option should now be available