Android O has changed the password storage file from wi-fi networks

In previous versions of Android, the password file was located at the address data/misc/wifi/wpa_supplicant.conf It will be more correct to say that this is a file with configuration settings for the background authentication service wpa_supplicant. More details about this are told here. In the new version of Android 8.0 Oreo the old file is, but… Read More »

Create an application signature using Google Play App Signing

Because the signature key is used to verify that you are the developer of the application, and to provide secure updates for your users, securing the key is very important to both you and the users. There are various ways to sign your applications. Recently, Google added a new feature to store keys: in its… Read More »

Using for our own purposes

To yong users VK gives unlimited opportunities of online communication. Mature employees of special services – voluntarily and personally created the dossier on the above group of citizens. And what can it give to the programmer? Of course, the free infrastructure for its application! In conditions when there is no server, and someone else offers only… Read More »

10 tips for 10 million. How to earn in app stores

Since June 1, 2014, one of my applications has experienced 65 updates and in December 2015 has finally received more than ten million installations. So I felt that I have the moral right to make an article with tips on how to achieve similar prosperity :). 1. Investigate the market and make a plan Development… Read More »

Android 6.0 permissions in defense and attack

Every day in mobile devices reveal vulnerabilities that can be exploited by intruders. They can send SMS to a paid number, they can collect a large database of contacts and sell it, or they can compromise a particular person. Successful exploitation of a vulnerability usually involves a number of conditions. But you can go the… Read More »

Get custom data on Android from third-party screens

From version 1.6 on Android there is an “accessibility service”. It is not difficult to guess why it was created, but we, as people who are striving for unlimited possibilities, are interested in this service from a slightly different angle. Today we will write a program that will allow you to monitor the input in… Read More »

Xonix for Android. Made by standard tools Android SDK!

I’d like to take a break from all these frameworks, engines and ready-made libraries. More precisely, do not rest, and strain yourself – to take and program a toy solely with the help of standard tools. Which one? It’s easy to choose, because in the heart of any programmer there are always three games created… Read More »