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();CameraInterface.getInstance().doStartPreview(holder, previewRate);if(maskView != null){Rect screenCenterRect = createCenterScreenRect(DisplayUtil.dip2px(this, DST_CENTER_RECT_WIDTH),DisplayUtil.dip2px(this, DST_CENTER_RECT_HEIGHT));maskView.setCenterRect(screenCenterRect);}}Note: Because camera. open is stored in a separate thread. After open, callback is made to cameraHasOpened ().

other code waits until it runs Out.So this time, the code needs to be executed by the THREAD.At this point, in order to differentiate which code can be executed by the thread, Java provides a run () in the thread class to contain the code that is executed by the Thread.C: Create an ObjectD: Start ThreadCustomize the Mythread class and override the Run () method1 //note: When you create this class, you inherit the thread class2 3 public classMyThread

programming habitsIt is not difficult to get started with programming, but it is very important to keep learning after getting started, which is relatively long. During this period, you should develop some good programming habits. The quality of programming style greatly affects program quality. A good programming style can make the program structure clear and r

type; Modify field name:ALTER TABLETable name change Old property name[New data Types]; Add a field:ALTER TABLETable nameADDProperty name 1 Data type[integrity Constraint conditions] [First | After property name 2]; To delete a field:ALTER TABLETable nameDROPproperty name; Modify the position of the field:ALTER TABLETable name MODIFY property name 1 data type first|after property name 2; (Description: first specifies the position of the table; After

What is Baidu's 4 K map?1. 4 K map is the first in the Baidu Map industry. Compared with traditional maps, 4 K map display can be precise to crosstab, Lane and other traffic signs, as well as every parking space on the road side;2. In the past, the Baidu map scale can be

Easy introduction to UML (4)-OCP is a progressive Cook, uml-ocpIn the previous chapter, we discussed the SRP principle of one of the five features of object-oriented design (OOD. In this section, we will look at another important principle: OCP principle (Open-Close principle ).Software entity shocould be open for extension, but closed for modificationReview in the previous section: 1. Easy introduction to

Spring Cloud Finchley was officially released on June 19 on the official spring blog, and we also saw the latest version of the update in the Maven Central warehouse.Finchley official version of the release seems to have experienced a considerable amount of time, is really stuffy sound big wealth, this major release has brought the following 4 major updates.Major Update 1,

Atititi version Management RC final RTM GA release software is typically divided into 4 versions in the life cycle Rc=release candidate, meaning "Release Candidate", is not the final version, but the last version before the final version (Rtm=release to manufacture)RTM:(Release to manufacture) is to give the facto

is used to enhance the brightness of an object and make it look as if it can emit half specular; // mirror half gloss; // glossy half Alpha; // transparent };# Pragma surfacesurfacefunction lightmodel [optionalparams] Surfacefunction-indicates that the CG function contains surface shader code. The format of this function should be as follows: void SURF (inputin, inout surfaceoutput O), and input is your c

/*** Function: Given an input file, contains 4 billion non-negative integers. Produces an integer that is not in the file. Memory Limit: 1GB* Advanced: Memory limit 10MB.*//** * Idea: * * 1) Create bit vectors that contain 40个亿个 bits. the bit vector (bv,bit vector) is actually an array that uses an integer (or another data type) array to store the Boolean val

project is small and its requirements seem simple, it is actually much more difficult. The project team needs to invest a lot of energy to learn new knowledge and get familiar with new businesses. The customers are also experienced people. When we encounter pressure on our side, we are panic. We hope that many people

realms: 1) Five-stream programmers than technology and tools 2) Four-stream programmers than integration and management 3) three-stream programmers than creativity and design 4) Two-stream programmers than communication and character 5) first-class programmers comparison attitude and Method 6) Super Programmers think and quality. My personal opinion is that most beginners are basically five-stream programm

1. In JavaScript, the arguments object is a more specific object, which is actually a built-in property of the current function. Arguments is very similar to an array, but is not actually an array instance. Can be confirmed by the following code (of course, in the function Funcarg, the call arguments

[Android Development] example 4-guess the box in which the gem is stored, android4-A mini game that implements "Guess which box the gem is placed in": There are three boxes in the main interface. clicking any box will open the box and show whether there are any gems in it, in addition, the box that has not been clicked is