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 »
In the Android system, key-value pairs are used to store information. With their help, you can store the values of variables, or various information that the application may need in the future. And although the SDK already has a ready interface, called SharedPreferences, which provides methods for saving and reading settings in the application, there… Read More »
In the previous article, we considered several interesting ways to use the bottomless repositories of Pavel Durov’s legacy. In today’s material, I will propose to you to develop this topic and share the skills of developing a client for our favorite social network. Again the theory To get records from the wall, the wall.get method… Read More »
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 »
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 »
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 »
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 »
Earlier you could watch the same screen of old analog watches for decades. Whether it’s now – unpacking the box with your first clock on Android, you begin to constantly experiment with the dials in the hope of finding the “same”. Some will have information about the weather, others will have the number of steps… Read More »
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 »
In this article I will tell you how I analyzed the code of other people’s programs and found one interesting undocumented function for working with widgets of applications. Widget with setting when adding Many of us have seen the settings screen that appears when you add a widget to the device screen. For example, a… Read More »
