Android custom Camera

Address: https://github.com/danfengfirst/Camera Demo Description: 1. Demo contains a custom rectangular View. Generally, a picture can be placed in this rectangle. Because of the special requirement of aspect ratio, we hope to keep the same aspect ratio in different screens, so we have customized it here. The custom part can be replaced by ...

Posted by Ajdija on Mon, 20 Apr 2020 10:33:22 -0700

Alibaba cloud live integration brief guide

Catalog 1, Application Guide 2, Configure streaming address \ playback address 3, Configure authentication information 4, Test playback 5, Use of OBSStudio and PotPlayer 6, Simple integration of Android playback Seven, summary 1, Application Guide Official website address: https://www.aliyun.com ...

Posted by ardyandkari on Mon, 02 Mar 2020 00:31:33 -0800

Balloon collision effect of android custom View

Recently, a lot of small ball collision effects need to be done in the project, so a user-defined View is used to roll it out. The effects are as follows This effect is not complicated. Let's talk about the algorithm steps. 1. ballCount is the number of small balls. You can set a maximum value to remove random numbers withi ...

Posted by ratass2002 on Sat, 15 Feb 2020 09:21:13 -0800

Android custom camera and preview deformation after customization

Today, I found that the preview interface will be deformed when I customize the camera on the handheld terminal First look for the problem: When I adjust the direction of the preview interface, I find that 90 ° rotation can change this problem, but the preview interface as a whole will also cross over. It will be difficul ...

Posted by mindspin311 on Mon, 06 Jan 2020 02:36:35 -0800

Android learning (22)Path "path drawing (to achieve the drawing function)

Android learning (22)Path "path drawing (to achieve the drawing function) Path: path, which can be used to draw at will, and can be used to make drawing software Using Path and SurfaceView to realize drawing function 1. Layout a custom control and a clear button in xml <?xml version="1.0" encoding="utf-8"?> <L ...

Posted by lilleman on Sun, 05 Jan 2020 19:59:27 -0800

Preview of camera+surface at the beginning of live video

The beginning of live video Nowadays, there are many live platforms on various networks, but do you know how to do live video? People who don't understand may think it should be similar to video recording. But the implementation of android is quite different. When recording local video on android, you can use MediaRecord to pass in relevant par ...

Posted by jmcall10 on Sun, 08 Dec 2019 13:05:28 -0800

Writing opengl program based on textureview

Links to the original text: https://my.oschina.net/fuyajun1983cn/blog/263790 Compared with SurfaceView, TextureView does not create a separate Surface for drawing, which allows it to p ...

Posted by FadeOut79 on Tue, 01 Oct 2019 03:22:31 -0700

Slide Paging Video Up and Down with Dummy

Directory Introduction 01. First look at the needs 02.There are several implementations 2.1 Use ViewPager 2.2 Use RecyclerView 03. Implement with ViewPager 3.1 Custom ViewPager 3.2 ViewPager and Fragment 3.3 Modify Sliding Distance Page Flipping 3.4 Modify sliding speed 04. Implement with RecyclerView 4.1 Customize LayoutManager 4.2 Add ...

Posted by jcleary on Fri, 06 Sep 2019 18:53:33 -0700

Using Surface View to Display Sinusoidal Curve and Imitate Oscilloscope

As we all know, view is redrawn by refreshing. Android system redraws the screen by sending VSYNC signals. The refresh interval is 16 Ms. If the view completes all the operations you need within 16 ms, the user will not have the sense of carton visually; and if the operation logic is too much, Especially if the interface needs to be refreshed f ...

Posted by simpjd on Thu, 04 Jul 2019 16:04:28 -0700

Make a Paint Brush Imitating Windows Sketchpad

Firstly, the effect map is shown. Effect analysis Because the ultimate goal is to achieve a painting brush under windwos, so first of all, we need to do a more detailed analysis of its effect. Considering the point of use of the brush in general, the effect details of the point and line will be analyzed. Draw points From ...

Posted by ofi on Wed, 15 May 2019 04:50:15 -0700