android 9 pixel

In the development in order to avoid the image because of the tensile distortion we will set the background image as a 9.png image, this blog describes how to set the image to 9.png1. First open the file shown in the Android->sdk->tools folder2. Drag the image you want to set up directly3.9.png production, Ctrl+s saveThis time

make. 9.png pictures Compiling and making good pictures Ninepathdrawable parsing: publicstaticdrawabledecodestream (Resourcesresources,inputstreamis, optionsoptions) throwsIOException{ Bitmapbitmap=bitmapfactory.decodestream (IS); Byte[]chunks=bitmap.getninepatchchunk (); Booleanisninepatchchunk=ninepatch.isninepatchchunk (chunks); NBSP;NBSP;NBSP;LOG.V (tag, "Isninepatchchunk:" +isninepatchchunk); if (!isninepatchchunk) { Returnnewbitmapdrawable

Android studio Daily Post 9. How can I use the navigation bar to quickly switch between views in a project ?, Androidstudio ViewAndroid studio Daily Post 9. How to use the navigation bar to quickly switch between views in a project? Operation Method: In the navigation bar, you can quickly switch to view display in the project. Use command + to display the navig

= "@+id/button1"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:layout_alignparentleft= "true"Android:layout_below= "@+id/button01"Android:background= "@drawable/a11"Android:layout_margin= "2DP"/> ButtonAndroid:id= "@+id/button2"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:layout_alignparentleft= "true"Android:layout_below= "@+id/button1"Android:background= "@drawable/a22"Android:layout_margin= "2DP"/> ButtonAndroid:id= "

Android Development notes (9) -- initially set Menu and androidmenuReprinted Please note: http://www.cnblogs.com/igoslly/p/6858656.htmlSet MenuSet Menu and add button operation on ActionBar:Add the menu folder under the main/res directory and create the main. xml file. ShowAsActionThe attribute has five values: ifRoom, never, always, withText, and collapseActionView.IfRoom is displayed in Item, and th

Read a lot of articles, 9.png images have two areas: the expandable area and the content display area. For a long while to understand what is called the extensible area, what is called the content display area.Share your understanding.It's a blog:Photo from: http://blog.csdn.net/greatstar/article/details/5936177A 9.png picture of the top and bottom around 4 with black lines, or black dots. The popular under

Static voidMain (string[] args) {3 Doubleavg1=78.5;4 intRise=5;5 intavg2=avg1+Rise;6System.out.println ("Average test score:" +avg1);7SYSTEM.OUT.PRINTLN ("Adjusted average score:" +avg2);8 }9} 1 Public classhelloworld{2 Public Static voidMain (string[] args) {3 Doubleavg1=78.5;4 intRise=5;5 Doubleavg2=avg1+Rise;6System.out.println ("Average test score:" +avg1);7SYSTEM.OUT.PRINTLN ("Adjus

9-patch image usage in android, In many articles, 9.png has two areas: a scalable exhibition area and a content display area. It took only half a day to understand what is a scalable exhibition area and a content display area. Share your understanding. Is a blog: Picture from: http://blog.csdn.net/greatstar/article/details/5936177 A

Looking at a lot of articles, 9.png images have two areas: the expandable area and the content display area.It took a while to clear what is called the extensible area, what is called the content display area.Share your understanding.It's a blog:Photo from: http://blog.csdn.net/greatstar/article/details/5936177A 9.png picture of the top and bottom around 4 with black lines, or black dots. The popular unders

Assignment operation symbol: =,+=,-=,*=,/=,%=,.=Comparison operation Symbol: >,Logical operator and or , or or | |, not OR!, XORXor different is true, same as falseDie () outputs a message and exits the current script The above is the Android programmer to learn PHP development (9)-Assignment comparison logic operation-phpstorm content, more relevant content please pay attention to topic.alibabacloud.co

Hardware Abstraction Layer: HALHal is a set of libraries built on Linux drivers. This library is not part of the Linux kernel, but is an application that belongs to the Linux kernel layer.Google joins Hal for Android to: Unify the hardware's calling interface. Solve the GPL copyright issue. For some special requirements.This chapter also describes in detail the addition of HAL for LED drivers:1. Write a procedure that supports the HAL Linux driver.2.

Problem descriptionVideo capture using V4L2, capturing video data with a resolution of (4:3) and previewing the image on an Android device using the Canvas,drawbitmap methodAndroid Device resolution is 540x960 (9:16), so the full screen preview when the image is stretched, how to solve this problem?No train of thought Ah, which great God Guide!!Here is the code of the picture, the gods help to seePublicvoid

9-patch in order to solve the different sub-screen image adaptability, the picture has been padding, and in Android, to give a control to set a background map, and ultimately to call the Setbackgrounddrawable method to set the picture resources, and this method of execution is like this, If the picture resource is padding, it defaults to the padding of the control. Based on this, if the control does not exp

Format:9-patch PNG(recommended) Dimensions LDPI: Portrait: 200x320px Landscape: 320x200px MDPI: Portrait: 320x480px Landscape: 480x320px HDPI: Portrait: 480x800px Landscape: 800x480px XHDPI: Portrait: 720px1280px Landscape: 1280x720px XXHDPI: Portrait: 960px1600px Landscape: 1600x960px XXXHDPI: Port

Dialoginterface.onclicklistener () {@Overridepublic void OnClick ( Dialoginterface Dialog, int which) {Dialog.dismiss ();}}); Alertdialogbuilder.create (). Show (); }At this point, all the functions of the artboard have been implemented.In fact, there is a more interesting function, is to set a pencil icon for the brush, the main principle is that in the custom view of the OnDraw method, the pencil picture is loaded in, and set the picture to move along the path.In the OnDraw method in

Android (9) ListView + ScrollView + ViewPager layout, viewpagerscrollview I. ListView + ScrollView + ViewPager interface implementation: After reading other people's source code, we always sum up that there is a conflict between ListView and ScrollView, but sometimes they have to be used together. The main difference is that the height of items in ListView is uncertain. As long as the height of all items is

SQLite is an open-source, embedded relational database that implements a self-contained, 0 configuration, transactional SQL database engine. It occupies very low resources, in the embedded device, may only need hundreds of K of memory is enough. It is characterized by its high portability, ease of use, compact structure, high efficiency and reliability. Database systems developed specifically for mobile devices with relatively limited resources Support Windows/linux/unix and other mains

event is passed by tunnel mode. Tunnel mode, which is passed from the root element down to the most inner child element or in an intermediate element because a condition stops passing.The next step is to analyze and handle the event. Just now the Action_down event was passed to the view's Ontouchevent function, which returns true by default, and then the dispatchtouchevent of the view returns TRUE. Then the ViewGroup dispatchtouchevent returns True, and the last activity Dispatchtouchevent retu

In the basic concept of Android performance optimization (a)---the four references to Java, speaking of Gcroot, the second memory monitor to detect the leak only said Menmery monitor use, this blog talk about mat to look for memory leaks, In contrast, theMemory Monitor is not as strong as the mat, but before starting the introduction of the mat, the last two questions were not clearly stated first. GC Recovery for the determination of recycla