Android mobile development introductory textbook! Have you learned about mobile adaptation? Technical details

1. Development background

To become an excellent Android developer, you need a complete knowledge system. Here, let us grow together to be what we think.

Talk about the programmer industry

Now the society has put several labels on the IT industry: high salary, high risk, tall and bald (haha). These labels are clearer to me than everyone else. As for why these labels are? And are these labels real or fake?

  • High salary

As far as the IT industry is concerned, high salaries do give a lot of people this impression. From a personal point of view, the IT industry can only say that the average salary is higher than that of other industries, but it is still slightly worse for finance and real estate. In all fairness, why the average salary in the IT industry is relatively high, and the threshold for entry is relatively high.

  • High risk

Speaking of high-risk, it is well known that many programmers are out of sub-health, lack of exercise, irregular diet and so on. Many programmers are afraid to go for a physical examination, for fear of what will be found out. I believe everyone has heard about it. I often hear jumping from buildings, being unable to withstand going to the hospital, etc., everywhere, it seems that most of them are programmers, just ask if you are afraid!!!

  • large and luxurious

It was made up by me (haha...), in the words of my old rural village: sitting in the office, easily tapping on the computer and getting a high salary, maybe this is also the white-collar workers in the high-end office buildings in the eyes of most people, but I really want to make a ❓

  • Bald

Speaking of baldness, some time ago I added a group in the community that I rented. There are tenants in the group, in order to make it easier to know what is going on in the community. So I went in and chatted, and then I said that I was a programmer, and then several people asked "Are you a lot bald", with a big embarrassment. So since then I have been questioning whether programmers in their eyes are all "bald"... from this the word bald is derived.
Second, the work behind it

The previous BB is so long, and the nonsense is so long to explain the status of the programmer industry.

  • The programmer's sadness

Hoho, here I want to defend the programmers, most people think of us as high salaries, white-collar workers, office buildings, and so on. However, how many people have seen us rushing to projects, rushing to progress, and working overtime day and night, causing us to often see people who are overwhelmed by pressure jumping off the building, because they work overtime to the hospital, or those who can’t handle the pressure and change jobs, etc. It is everywhere. Now it seems that the IT industry feels that it is already a high-risk industry, even if it has a good treatment + scenario. Since the previous burst of Huawei’s layoffs, one of the indicators is that the age is greater than 35 years old, and the program can be seen The employee industry is also an industry that eats young people, so they can trade a healthy body for what they are now.

Others are resting and you are typing code, others are walking their dogs and you are typing code, others are walking their babies and you are typing code, others are playing friends and you are typing code, there is no saying that you are single by strength

  • Everyone needs a life

Programmers are also a normal person. They also need to have their own lives, they also have family members, they also need to play friends, they also need to get married, and they also want a harmonious and happy family. Working overtime until 11 or 12 in the IT industry is commonplace, and working overtime on weekends is commonplace. Even if they take a relatively high salary, they sacrifice the rest time that should belong to them in exchange for a lot of tears! ! !

Three, talk about your resentment

In my opinion, many people, including myself, often complain: Why do I have to work so hard, day and night, why I was born in a family with no car, no house, and no money? Instead of being born in a city, having a car, a house, and money, you don’t have to worry about money all day long. Like my landlord, the house is occupied by the developer and divided into several houses. They don’t work. They collect rent every month and enjoy a comfortable life. The old couple go out for a trip when nothing is wrong. Thinking back to their parents, they have never Having traveled, I feel sad when I think about it!

You might suspect the injustice of this society. The rich are getting richer and the less rich are getting less and less money. But this is a society where the survival of the fittest is the survival of the fittest. The society is realistic and the personnel are cruel. The society needs to progress, the country needs to develop, water flows to low places, and people go to high places. This is the state of social development. If you can't change society, you can only adapt to society!

Four, do not forget the original intention

I have complained and complained, complaints have been made, and life has to go on. When you wake up tomorrow, it will be a sunny and beautiful day. You have to continue to struggle so that your parents and lovers can also enjoy a comfortable life. This is The goal of your struggle-this is your original intention.

At last

If you see this and think the article is well written, give it a thumbs up? If you think there is something worth improving, please leave me a message. Will surely inquire carefully and correct deficiencies. Thank you.

Finally, for Android programmers, I have compiled some information for you, including not limited to advanced UI, performance optimization, mobile architects, NDK, hybrid development (ReactNative+Weex) WeChat applets, Flutter and other all aspects of Android development. High-level practical technology; I hope to help you, and save everyone's time to search for information on the Internet to learn, and you can also share the dynamics with friends around you to learn together!

Friends who need information can click on my GitHub to get it for free

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Origin blog.csdn.net/chayel123/article/details/114140448