udacity app development course

Step by step _ Android development course [10] _ Thread learning, _ android_thread Focus on technology, enjoy life! -- QQ: 804212028. Link: http://blog.csdn.net/y18334702058/article/details/44624305 Topic: Thread Learning-When a program is started for the first time, Android starts a corresponding Main Thread at the same time. The Main Thread is mainly responsible for processing UI-related events, such a

also true for static,final, constants).Often estimatedBefore you start optimization, make sure you have a problem to solve: Make sure you can measure your existing performance accurately, or you will not be able to observe the improvements brought about by optimization.The datum point is created by the caliper's Micro datum frame. The datum points are hard to get right, so caliper does the hard work, even when you're not measuring where you want to measure it. We strongly recommend that you use

lines and curves to the Path object, and then draw the shapes with the DrawPath () method. Just these base shapes can define their path style through the SetStyle () method. You can define a gradient fill pattern by creating a LinearGradient object. Call the Setshader () method to populate the shape. Draws a bitmap by using the Drawbitmap () method. For example, the following code is used to draw a piechart. It mixes text, lines, and shapes.protected void OnDraw(Canvas canvas) {Sup

Dear netizens, I have a set of courses to share with you, if you are interested in this course, you can add my QQ2059055336 and I contact.Course Chapters: The first part of embedded C and data structure (20 speaking) Part II arm bare Metal development (43 Speak) Part III Linux application development (28) part fourth Linux system porting (5 speaking) part fifth L

Focus on technology, enjoy life! --qq:804212028Browse Links: http://blog.csdn.net/y18334702058/article/details/44624305 Topic: Layout of the user interface-In the Android development we have the legendary 5 large layout, they combine use, draw the app interface of the frame. 5 major layouts commonly used in Android:Linear layout (LinearLayout): Components that are laid out in a vertical or hor

, including their type, name, and other contextual information. Helpndoc:helpndoc is used to create help document tools that can generate multiple formats based on the document source. Other Filezilla:filezilla is an open source FTP tool. The FileZilla client can upload files to the FTP server. Treetrim:treetrim is a tool to adjust the code, can delete some invalid debug files and temporary files and so on. Browserstack: Tools that support cross-browser testing. Bugshooti

[Wanli journey-Windows App development] Big collection of controls [under repair], journey app Use design tools such as Blend for Visual Studio or Microsoft Visual Studio XAML designer.Add the control to the XAML tag in the Visual Studio XAML editor.Add controls to the code. When the application runs, the control you added in the Code is displayed, but not in th

) or in an activity.Let's look at their definition: resources> --style name="Mytextstyle" mce_bogus="1">item name= "android: textSize">20pxItem> item name= "android: TextColor">EC9237Item >style> style name="MyTextStyle2" mce_bogus="1"> item name= "android: textSize">14pxItem> item name= "android: TextColor">ff7f7cItem >style> -- style name="MyTheme" mce_bogus="1">item name= "android: Windownotitle">trueitem > item name= "android: textSize">14px Item> item name= "android

Step by step _ Android development course [23] _ ProgressBar (progress bar) on the user interface, android User Interface Design Focus on technology, enjoy life! -- QQ: 804212028. Link: http://blog.csdn.net/y18334702058/article/details/44624305 Topic: ProgressBar on the user interface (progress bar)-Custom progress bar (Instance ): Activity_main.xml: Create a drawable file under the res file, and then

using animations on Textureview, some special transition types may not produce the desired effect. Classes that inherit from Adapterview, such as the ListView, manage sub-view in a way that is incompatible with the transition framework. If the view action is animated on top of Adapterview, the device interface may be suspended. If you want the resize animation to work on TextView, the text on the TextView is drawn to a new position before the animation is complete. To avoid this problem

; Bitmapfactory.decoderesource (res, resId, options);//Calculate insamplesizeOptions.insamplesize = calculateinsamplesize (options, Reqwidth, reqheight);//Decode bitmap with Insamplesize setOptions.injustdecodebounds =false;returnBitmapfactory.decoderesource (res, resId, options);}This method can easily load any large size bitmap to ImageView, this imageview shows a 100*100 pixel thumbnail, as shown in the following code:mImageView.setImageBitmap( 100100));You can follow a similar process to

(info.groupformed) {//The other device acts as the client. In the case, //You'll want to create a client thread this connects to the group //owner.} }The Now returns to the OnReceive () method of the broadcast receiver, modifying the portion of the listening wifi\_p2p\_connection\_changed\_action, and invoking the Requestconnectioninfo () method when the intent is received. This is an asynchronous method, so the result is returned by the parameter: Connection informatio