Android Drawing - 01 Basic Use of Canvas and Paint
Paint and Canvas
Paint Sets Fill Style
Text Adding Shadows
Set background color for Canvas
Draw a straight line
Draw points
Draw rectangle
Fillet rectangle
circular
Ellipse
arc
Two Path and DrawTetx Exercises
Path straight line
Path rectangle
Path rounded rectangle
Other Path Graphics
Paint Settings for Text Properties
canvas Drawing ...
Posted by rayfinkel2 on Wed, 27 Mar 2019 05:48:29 -0700
React - Picture Input Box - Mobile Web Page _018
React-Picture Input Box-Mobile Web Page
gitHub Address Feels Valuable for Reference
https://github.com/xiaopingzh...
directory structure
.
├── README.md
├── dist
│ ├── bundle.js
│ └── index.html
├── package.json
├── src
│ ├── components
│ │ ├── ErrorPage
│ │ │ ├── ErrorPage.css
│ │ │ └── ErrorPage.js
│ │ ├── Notice
│ ...
Posted by sheraz on Tue, 26 Mar 2019 23:27:29 -0700
Custom view: Category selection function similar to today's headlines
It's a long time since the last article. In fact, I wrote some interesting view s in the middle. But because I'm too lazy to put them on, the new year 2017 started. The company's project is not tense, so I will fill in some articles when I am free.
I usually prefer to brush headlines, see the headlines above many categories, in the category s ...
Posted by minorgod on Tue, 26 Mar 2019 23:12:30 -0700
An Efficient Xml Parsing Method for android-pull
As we know, parsing XML is also widely used in various platforms, as is android. It often involves parsing and reading of XML. There are three main parsing methods: SAX parser, DOM parser and PULL parser.
SAX parser: The core of SAX parser is event processing mode. It mainly works around event source and event processor. ContentHandler is an ...
Posted by Okami on Tue, 26 Mar 2019 12:51:29 -0700
One-way list inversion
The inversion of one-way list is an interview question with very high frequency. I once suffered a loss on this question, but it doesn't matter. Let's study it.
First of all, the one-way characteristics of linked list:
1. Only forward can a node be found.
2. The next node address of the last node (which we usually call the next pointer) is n ...
Posted by baranwalpk on Tue, 26 Mar 2019 12:12:29 -0700
Practice of Android Custom Implementation of Rotary Graph
I. principle
ViewPager is a relatively high-frequency view component used in Android and handles events in the sliding process, so it is very suitable for the rotation chart. There are many ways to implement the round-robin graph. Horizontal View or RecylerView can also be used, but fling operations need to be handled. Here we use ViewPager to ...
Posted by DeGauss on Tue, 26 Mar 2019 03:09:32 -0700
The Way to Advance Android - File Storage in Four Storage Ways
When it comes to storage in Android, you should all think of file storage in mobile phones, sd cards.
Storage, sp storage and data storage, which I have written before, but the editors were messy and inconvenient, so now I rewrite the four storage methods and explain them. This book is about the storage and reading of files, less gossip, Code ...
Posted by JoCitizen on Mon, 25 Mar 2019 22:48:28 -0700
Visit Classification Statistics (QQ, Weixin, Weibo, Web Page, Website APP, Others)
Just ready to hit the keyboard, suddenly remembered today has been Friday, a little excitement, a week and so happy end, can rest, and so on. I seem to be writing a Java blog, how did it become a diary, well, back to the point.
I don't know if you have ever met such a demand: statistics of article browsing and analysis of the details, namely QQ ...
Posted by wih on Mon, 25 Mar 2019 19:54:29 -0700
Flexible Layout Exercise, Imitate Mobile Phone Taobao Home Page
After reading God's flex tutorial, I decided to write a fake hand to have fun! I'm sure I can finish it by dividing three into five and dividing two. Yes! You're right! ~ ~
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As a result, I haven't slept in the ...
Posted by JeditL on Mon, 25 Mar 2019 16:00:29 -0700
Index and query optimization of MongoDB
M
The indexing mechanism of ongoDB is basically similar to that of ordinary databases, mainly in the following parts:
Single field index
By default, MongoDB creates a single field index of the _id field for all collections, which is unique and cannot be deleted (_id is the primary key of the collection)
Index creation method:
db.custo ...
Posted by mishasoni on Mon, 25 Mar 2019 06:24:28 -0700