android contact list

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=

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

effect of outer spacing. How to do not set the offset, the previous layer is completely blocked behind the layer, so you can not see the subsequent layer effect. For example, the above example, the tab background in the white background set Android:bottom to see a little red background. So what happens if the offset is set to a negative value? After verification, the offset of the excess will be truncated to see, do not believe you can try it yourself. Sometimes it's useful, like when I want to

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

This article reproduced: http://blog.csdn.net/aminfo/article/details/7847761The first step: the first piece of material, the following materials are placed in the Res/drawable directory:The second step: on the animation animation-list frame layout file, there are 2, one is to display the animation sequentially, one is the reverse display animation, the file is stored in the Res/drawable directorySequential display of animation files: Animation1.xmlXML

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

Android App Development-Wizards CSDN Blog client's get comment listThe previous blog introduces the specific content of the blog's Business logic implementation, this blog introduces the wizard csdn blog client's last feature. Get a list of comments, the implementation of this feature is not the same as the previous to get the article list and article specific co

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 )

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

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

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

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

(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

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

You can add spinner down menu in action Bar, for spinner, refer to Pro Android Learning Note (20): User interface and Control (8): GridView and Spinner. The style of the list is related to theme, and an exception can occur if the theme settings are incorrect.The relevant code is as follows:public class Listactionbardemo extends SEARCHTESTCASE3implements Onnavigationlistener{//

zoom.Support for multiple streaming media protocol associations (temporarily without RTSP, you need to copy the sticker from the browser).Official website: https://linuxtoy.org/archives/mplayer-for-android.html7.MX Video player (MX movie player)MX Video Player is the first Media player software on the Android platform to support the multi-core decoding function, and according to the test results on a dual-core An