list of android versions

Decompress the android list and expand the QQ-like friend list (very detailed, with source code ). Original works of Lin bingwen Evankaka. Reprinted please indicate the source http://blog.csdn.net/evankaka ExpandableListView is a view that shows two levels of list items vertically. Unlike ListView, ExpandableListView c

?? Android uses Intent to pass the object, list, List , Object> Method 1: If you simply pass the List Or List Then you can directly use Java code Intent. putStringArrayListExtra (name, value) Intent. putIntegerArrayListExtra (name, value) Method

first is the layout file: The first two controls use the Android spinner Drop-down list style, and the red part is the value I set in the Res->values->strings file: Main Activity code: public class Activityone extends activity {private Spinner spin1;//default Spinner, display private Spinner below the button spin2;//default Spinn Er, in the form of dialog for the user to show th

Lin Bingwen Evankaka Original works. Reprint please specify the source Http://blog.csdn.net/evankakaExpandablelistview is a vertical scrolling view of level two list items, and unlike a ListView, it can have two layers: each layer can be expanded independently and display its children. Friends QQ list, you can expand, can be put up, in Android, used to be more th

Copy Code code as follows: Import android.app.ListActivity; Import Android.database.Cursor; Import Android.os.Bundle; Import Android.provider.Contacts.Phones; Import Android.widget.ListAdapter; Import Android.widget.SimpleCursorAdapter; /** * A List View example where the * Data comes from a cursor, and a * Simplecursorlistadapter is used to map all item to a two-line * Display. */ public class List3 extends Listactivity { @Overr

Expandablelistview is a view with a vertical scrolling display of level two list items, unlike ListView, which can have two layers: each layer can be expanded independently and displayed with its subkeys.Friends QQ list, you can expand, you can put up, in Android, the past is more than ListView, although you can implement the display of the

Mactiondownx and Mactiondowny, and then action_move the incident, we first have to judge, this judgment is two steps, the first step, judge this action_move event, The position of the current event CurX and Cury whether the distance recorded on the x axis and on the y-axis and Action_down has exceeded the Touch_slop value, which is the threshold that Android uses to determine if a slide should be made, and the second step, We want to further determin

Document directory Solution: Solution: Http://my.oschina.net/haquanwen/blog/54394 Listview is a commonly used display control. The default background is the same transparent color as the system window. If a background image or background color is added to listview, The listview will be black when scrolling, because, during scrolling, when the view in the list is re-painted, the system still uses the default transparent color. The color value is # f

Use ResolveInfo Public class ResolveInfoDemo extends Activity {private GridView; private PackageManager pManager; private List GetAllApps. java public class GetAllApps {private Context mContext;private PackageManager packageManager;private int mIconDpi;private String tag = "GetAllApps";private List Here, getDrawableForDensity must be supported by sdks of version 15 or later. Launcher of all earlier

An Android application requires permissions to call functions of some android systems. An android application may be called by other applications. Therefore, you must declare the permissions required to call the Android Application. In addition to frequently-used permissions, remember to be familiar with them. There ar

Android interface component ---- List View, Android component ---- View The ListView list view is the most common component in Android. It displays the list items to be displayed in a vertical

Catalogue Android Studio first Run detects Android SDK and updates, and for well-known reasons we will "unable to access Android SDK add-on list", and everyone is generally configured in advance Androi D SDK, when you really need to update the SDK Manager to manually update it.Solution:In the

If you have multiple Android devices (including Android emulators) connected to your PC, you will need to use the Adb-s DeviceID shell when you enter the console. More trouble, this article has written a shell script file (need to be used under Linux or OS X, Windows needs to be newly written with bat or cmd).The basic idea is to use the ADB devices command to scan how many