list of android versions

In Android, the Spinner is the automatically displayed style of the drop-down menu and AutoCompleteTextView. It is equivalent to the The Spinner Widget drop-down menu and AutoCompleteTextView provided in Android are very easy to use and style is also applicable,However, we can change the style of the drop-down menu by defining xml.Create an xml file in the layout directory with the name (activity_main.xml )

The list selection box (Spinner) provided by Android is equivalent to the selection dropdown box for web-side user registration, such as registering for a selected province city. If it is a list selection boxThe list selection for the drop-down list can be specified by the A

Referenceleft , but the following words can not pull over. Tried all kinds of methods.Finally, inadvertently add a Backgroud attribute to RadioButton: android: id= "@+id/rball" android: layout_width= "match_parent" android: Layout_ height= "Wrap_content" android: background=

the list Loads Progressbar = new progressbar (this ); Progressbar. setlayoutparams (New layoutparams (layoutparams. wrap_content, Layoutparams. wrap_content, gravity. Center )); Progressbar. setindeterminate (true ); Getlistview (). setemptyview (progressbar ); // Must add the progress bar to the root of the layout Viewgroup root = (viewgroup) findviewbyid (Android. R. Id. content ); Root. addview (progres

How does the tab background effect, and the shaded rounded rectangle, be implemented? Most people will let the artist cut the chart, with a point nine to do the background. But what if we only provide one picture? For example, the middle of the tab background red bottom of the pixel height of 4px, then, the display on the MDPI device will meet the expectations, on the HDPI device will be a little bit thinner, display on the XHDPI device will be more fine, the xxhdpi on the display is fine, It is

Stickylistheaders library, by copying src/com/handmark/pulltorefresh/ Library/pulltorefreshlistview.java class, New Pulltorefreshpinnedsectionlistview.java class;2. Modify the Createlistview () method in the Pulltorefreshpinnedsectionlistview class, commenting the following code [Java]View Plaincopyprint? if (VERSION. Sdk_int >= version_codes. Gingerbread) { LV = new InternalListViewSDK9 (context, attrs); } else { LV = new Internallistview (context, attrs); //} Add

Use of ExpandableListView in android development to implement a list similar to QQ friends Due to work needs, I briefly studied ExpandableListView today and made a Demo similar to the QQ list to share with you.As follows: Let's take a look at the main layout file: VcD4NCjxwcmUgY2xhc3M9 "brush: java;"> Here we do not use the default s

(new string[size]);2. The array is converted into a list. Call the Aslist method of arrays.Aslistpublic static This method also provides a convenient way to create a fixed-length list that is initialized to contain multiple elements:List stooges = arrays.aslist ("Larry", "Moe", "Curly");Parameters:A-an array of supported lists.Return:Specifies the list view of t

From the previous lessons, we can see that ListView is used to display a long list and occupy the entire screen (ListActivity ). However, sometimes you may need other similar views, so that you do not have to fill the entire screen. In this case, you should use the Spinner control. The Spinner displays a piece of information in the list at a time and allows you to select. The following describes how to use

Original: Android ListView Complex List Optimization Practice Many social apps will inevitably involve complex list element implementations, a list of potentially large numbers of images, an indefinite list of comments, and a number of challenges for mobile programmers. Thi

Previous article, [Android plugin Development Atlas first experience] (http://blog.csdn.net/sbsujjbcy/article/details/47446733), a simple introduction to the entire process of using Atlas, but if you have not practiced the estimate is still confused, starting from this article, Slowly cut into the details. The topic of this article is to generate a list of plugin information.Careful you may find that in the

label so that when the user returns again, you will be able to open the appropriate Options tab. At the moment of saving, you can use the Getselectednavigationindex () method to query the current Selection tab. This method returns the index position of the selected option label.Warning: It is critical to save the required state for each fragment, because when the user switches between fragment objects with option labels, it will see what the fragment looks like when it leaves.Note: In some case

This article describes how to obtain the list of system applications in Android. The Android system provides many service management classes, including ActivityManager, PowerManager (power management), and AudioManager (audio management. In addition, a PackageManger management class is provided to manage application packages. With this, we can get the applicatio

1. Drop-down list box (Spinner)Project layoutRelativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Tools:context=". Mainactivity " > SpinnerAndroid:id= "@+id/spinner"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content" />Relativelayout>Ad

directory is for app private or other apps to read and write.Example: Context.getdir ("Dir1", mode_private): /data/data/com.srain.cube.sample/app_dir15. Pay special attention to external storage, access to $cacheDir or $filesDir and below the pathUnder API Level 8, or if there is not enough space, the associated method will need to be constructed when the path is empty.@TargetApi (version_codes. FROYO) Public StaticFile Getexternalcachedir (context context) {if(Build.VERSION.SDK_INT >

In Android Studio, how does Git update the local remote branch list ?, Androidgit For example, if your colleague adds branch xxx in Git's remote branch, but you find that when you view the existing branch in Android Studio, you cannot see the branch he added. If you view branch, please stamp this: how does Android Stud

) {returnGroupdata[groupposition]; }@Override Public int GetGroupCount() {returnGroupdata.length; }@Override Public Long Getgroupid(intGroupposition) {return 0; }@Override PublicViewGetgroupview(intGroupposition,Booleanisexpanded, view Convertview, ViewGroup parent) {View view =NULL;//menu if(groupposition==0) {view = Inflater.inflate (R.layout.menu,NULL); View.setlayoutparams (NewLayoutparams (ViewGroup.LayoutParams.MATCH_PARENT, the)); View.settag (1); TextView bt

Android n the language list before and N has changed a lot, into the language list, you can see 1, the above box is the system user selected language (Android n users can choose several languages, ranked first is the system language), the following box is a language to add the button, After clicking, you can add the la

same attributes (such as int i), there is the same method (such as void f ()),The A.I is called the I in the listA.F () is called the F () in ArrayList;---------------------------------------------------------------The key to the problem:Why use list List = new ArrayList () instead of ArrayList alist = new ArrayList ()?The problem is that the list has more than

This series of articles will start the android lancher source code analysis. The example is the launcher3 source code that comes with Android 2.3. It is a http://download.csdn.net/detail/xianming01/4383598 In the previous article "android launcher source code parsing 01: Ui layout details 1", we introduced the theme UI layout in launcher3. In this article, we wil