C/C++

|Linux| GNU autotool

zhuzii,

If you want to porting any library from the distribution to another one,
you should learn GNU autotool firstly.

From porting libqmi, we can learn this fact.

Step 1: install the following libraries.
autotools-dev
libev-dev
autoconfig
automake
autoconf-archive
libtool

Step 2: enter the libraries’ folder
　　　　which included configure.ac, Makefile.am
./configure //in fact, doing autoconf
make
make install


Explanation of files:
configure.ac: input file for Autoconf.
Makefile.am: input file(s) for Automake.

Ref.
https://www.gnu.org/software/automake/faq/autotools-faq.html
https://opensource.com/article/19/7/introduction-gnu-autotools

|OOP| Learn “Factory Pattern” from Android Telephony

zhuzii,

Factory pattern is a basic pattern in grant software framework.
We create object, parent, with common interface to create new type of object.
The common interface is a static member-function (static factory method) which creates & returns instances, hiding the details of children.

The following will show a snappiest code of Android Q.

Continue reading “|OOP| Learn “Factory Pattern” from Android Telephony” →