How to write a word for an application on the screen

Question

I want to make an application, I want it to look just like this one:

I do not know how to write the word "write" as a red mark and how to add an application icon to the screen.

Answer 1

The answer is simple and annoying: it is impossible to use a standard lock screen. The source of the Android lock screen describes where to find the source code of the default lock screen, and if you look at the source code of LockScreen.java you will find out that this information is hard-coded. Thus, basically you will have to wait for the new version of Android to support this function or program your own lock screen, what kind of passes.: - /

Answer 2

I just found a comment in the document here that someday it was possible to add a widget to the lock screen. In any case, I found several applications that provide a full lock screen.

So, I assume that the clock on your screen may show information on the lock screen due to the additional (HTC?) - an API that is not available for a third-party developer, as suggested here: https://stackoverflow.com/questions/3556430 .