How to use Bitmap to store pictures into database

This is my first blog, please give me more advice! About a month ago, in the process of developing an APP with friends, we found a problem: image storage. Because there is no image data type in the database, we can't directly put the uploaded image into the database when the user needs to store it. After several days of exploration, combined wi ...

Posted by bretx on Sun, 17 Nov 2019 17:12:28 +0100

(Reprint) Android camera development: efficient real-time processing of preview frame data

Summary In this article, we will not introduce the new functions of Camera APP, but how to process the Camera preview frame data. Presumably most people don't need to deal with preview frames, because cameras only need to be used for taking photos and recording. In fact, this article doesn't have much connection with general Camera development ...

Posted by domainbanshee on Thu, 14 Nov 2019 13:58:35 +0100

Xamarim.Forms TabbedPage uses the bottom Tab page in Android to improve the display function

The TabbedPage of Xamarin.Forms has been added to the Android system. The properties of the Tab option are displayed at the bottom, Just reference the Android namespace in TabbedPage and add the attributes shown at the bottom. xmlns:android="clr-namespace:Xamarin.Forms.PlatformConfiguration.AndroidSpecific;assembly=Xamarin.Forms.Core" ...

Posted by CONTEMAN on Sun, 10 Nov 2019 23:07:25 +0100

Android framework Volley uses: ImageRequest request to load pictures

First, we import this framework into the project: implementation 'com.mcxiaoke.volley:library:1.0.19' Add network permissions to the Android manifest file: <uses-permission android:name="android.permission.INTERNET"/> Here is our homepage layout:In this layout, we have made a button for all the functions of the Volley framewor ...

Posted by salmon on Sun, 10 Nov 2019 15:25:29 +0100

Front End Performance Optimization - Offline Cache for Static File Clients _20191110

Front End Performance Optimization - Offline Caching for Static File Clients 1. Preface Last article shared how to optimize your project to the extreme during the webpack packaging phase.Article Link: Optimize webpack packaging to the extreme _20180619 Front-end optimization is endless. This article focuses on my exploration and experience summ ...

Posted by creekriot on Sun, 10 Nov 2019 08:06:14 +0100

Demo android face recognition based on rainbow soft face recognition

Participate in a competition to specify the face recognition function with soft rainbow. However, if you want to build your own face database for soft rainbow face recognition, you can only use it offline, you can't always put on a look. Just look at the soft rainbow Demo, and decide to use this simple method to achieve online face recognition: ...

Posted by Louis11 on Thu, 07 Nov 2019 16:38:07 +0100

Android - "i share" APP development Day06

Continue the content of the previous article, write the FindFragment.java file. Based on the three functions in the previous article, you can basically show the hot content. Next, you can mainly deal with the event of find person and find article button Since we need to find people later, we need to create a bean file to store us ...

Posted by Imagine3 on Wed, 06 Nov 2019 18:11:23 +0100

Unity 3D archives game data through serialization

In the process of using u3d to develop some stand-alone games, we will involve the storage and loading of game data. In general, if the stored data is not complex, we can use PlayerPrefs, but sometimes the data involved is more complex, and it is difficult to deal with using PlayerPrefs, so we can choose to use serialization to archive the game ...

Posted by pandaweb on Sat, 02 Nov 2019 22:34:45 +0100

Learn about Android (new NotificationCompat.Builder is out of date)

Today, when learning the notification function of android, we found that new NotificationCompat.Builder(MainActivity.this) When running the app, it is found that the notification effect is not normal, but an error is reported. After searching on the Internet, we know the solution After Android ...

Posted by phpfolk2003 on Thu, 31 Oct 2019 08:53:54 +0100

Rich editor

Catalog Usage method Official website Picture upload and download example Menu bar function filter Catalog Usage method Just bind events directly to the input box. Note that the introduction of js is a little different. Add more coding methods. <script charset="utf-8" src="/editor/kindedi ...

Posted by Mykasoda on Thu, 31 Oct 2019 05:48:05 +0100