Yesterday the company leaders criticized I will not debug on Android studio, so take the rest of the time today to study a bit of writing a practical article I hope you likeFirst, the code example that I wroteprotected void OnCreate (Bundle savedinstancestate) { Super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); for (int i = 0; i Gets the current value int selectot = i; Hit log to see the value
Logcat window.
NBSP; When another activity is displayed before the current activity, or the Auto lock screen, the current activity is paused, The Onresume function is called when the OnPause function is called to return to the current activity.
NBSP; When you return to your phone's home page, the current activity will go from Onresume state through OnPause to OnStop. Indicates that the current activity is not visible and is stopped.
But when reopened, the activity is ag
[Android Studio authoritative tutorial] configure a powerful version management system (Git, SVN, etc.) and androidsvn in
To add version management tools such AS Git to Eclipse, you need to add plug-ins by yourself. I personally think it is not easy to use. We have already integrated the plug-ins for us in AS. We just need to configure the plug-ins, today we will talk about how to configure and use the
Visual Studio 2017 + OpenCV environment setup tutorial, 2017 opencv
The OpenCV environment building tutorial is for your reference. The specific content is as follows:
OpenCV package preparation
: Http://opencv.org/downloads.html
Find a Sample on the official website:
Http://docs.opencv.org/3.2.0/examples.html
1:
2:
3: copy the code on the official website: f
Connect: Photoshop to draw a realistic studio microphone detailed tutorial (i)
79. Effect Drawing.
80. Select the Rectangle tool, draw a rectangle, the width and the hoop, the height is shorter, refer to the image below and named as the Hoop Shadow.
81. Change the position of the layer.
82. Select the vector mask of the shadow on the hoop and use the Pen tool to add an anchor point
The background theme of the Android Studio development environment, which can be changed, is now popular with black backgrounds, which makes the software look more high-end and more enjoyable, but the main thing is to look more comfortable and pleasing. Let's teach you how to change the background theme.Tools/Materials
Android Studio
Method/Step
1First open the software to see what th
= [' Libs ']}}}dependencies {Compile Filetree (dir: ' Libs ', include: [' *.jar '])}So that you can pack so files into the APK, which is the author of a pro-test available.2. From QQ Group:Create a new directory within the project: Jnilibs folder (sibling to res directory), and then put so files in it without configuring Gradle to automatically packageThis method, not tested, but from official Google Docs, is certainly useful.From QQ group: Android Studio
1, install the JDK and configure environment variables, JDK version requires more than 7.2, download Android Studio and sdk,:http://www.android-studio.org/3,SDK update installation via mirroring, tutorials and: http://www.androiddevtools.cn/4, download offline version gradle, free points: http://download.csdn.net/detail/zjilvufe/53953935, install Gradle and configure environment variables, unzip gradle to any location, in the environment variable path
can be obtained via the Copy button on the rightOperation:5. Hosting a project to GitHub via GitThe first thing to do is git add:Then commitFill in the submission informationLast pushEnter your GitHub account password6. Oh yesProjects that need to be hosted are uploaded to GitHub, and people all over the world can read2, Android Studio also integrates the GitHub plugin, you can directly use the Gitbub:1. Configure GitHub to fill in the GitHub account
–>samples–>tutorial-1-camerapreview in the project, Modify the Androidmanifest.xml, add the right to use the camera, you can test whether the success.6, configure SVN ignore file ignoredcreating a project with Android studio automatically generates the. gitignore file in the root directory and the module directory, which looks like git's configuration file, and SVN doesn't matter.Open setting-version contro
Android studio import PullToRefresh tutorial
1. create an Android project, download Android-PullToRefresh-master, decompress the project, find the library folder, and place it in the C: \ import directory, the following are all step-by-step clicks Based on the arrows.
Find the library folder and select it. Click OK.
An error is reported.
Operate by Arrow
Select pp
Click + and select
closed.
Test results:java : Java new 5000s waste 3ms c++ : c++ new 5000s Waste 18ms java : java new 10000s Waste 5ms c++ : c++ new 10000s waste 24ms Span class= "http" >java : java new 50000s waste 44ms c++ : c++ new 50000s waste 121ms java : java new 100000s waste 65ms c++ : c++ new 100000s waste 259ms This time, the results show that if the cache method ID and Jclass can be shortened by half the time. But still less fast than Java. It's also good to understand that C + + creat
-1; ++i) { for(intj =0; J size-1-I.; ++J) {if(jints[j]1]) {intT=JINTS[J]; jints[j]=jints[j+1]; jints[j+1]=t; } } }//Update the sorting results to the Java array, the third parameter equals 0 to update to the original array and release all elements Env->releaseintarrayelements (Array,jints,0);return;}//在Java中调用print("通过JNI对int数组排序:");Test.sortIntArray(rs);print(IntArrayToString(rs));
As you can see here, instead of returning an array, w
Tutorial using Photoshop gradient to create an ordinary photo art poster effect, the gradient tool has many of us do not know the use of effect, you can do a high light shadow, you can do folds, you can do folding,
Can do three-dimensional effect, many many, here we learn to use the gradient tool to beautify the picture, to make a studio effect.
Effect Chart:
Original:
1. Open the characte
Introduction of a photo studio Beach wedding Photos palette process, fresh tone, the need for students to learn!
1, open the photo
2, add clouds to the sky, Layer mode: Multiply the bottom, pull a gradient.
3, with hue saturation adjust the brightness of the photo, lightness:-55
4, with the optional color adjustment details color
The adjustments are as follows:
5, color balance adjust t
Visual studio 2015 + opencv2.4.13 configuration tutorial, 2015opencv2. 4.13
Change the lab, change the computer, and reconfigure the development environment. This series lacks a complete configuration tutorial, which is simply completed in the middle. This series may cause typographical accidents !!! Visual studio2015 and opencv2.4.13 are selected for this config
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