This article mainly introduces 3 ways to record and restore the scroll position of the ListView.record the coordinates of the location where the ListView is scrolled (recommended),records the location of the first item that the ListView displays on
How to use PhoneGap to package a Web AppRecently made a small game, positioning is mobile access, reasoning finally chose the most framework of jquery mobile, making almost later, whether it can be packaged into an app, just before the PhoneGap have
Http://www.cnblogs.com/hongten/gallery/image/112163.htmlProject structure:Http://www.cnblogs.com/hongten/gallery/image/112162.htmlP1.png is added yourself, of course, you can also use other picturesMain.xml1 2 3 android:id= "@+id/layoutid"4
The similarities and differences between 1.Activity and fragment.Activity is the body of UI interaction, and fragment is the element on the subject.An activity can consist of 0 to n fragment.Fragment can be understood as a control of activity, but
1. Building the directory structureIn my example, the project folder is Bank1Ebin directory: storing compiled beam filesInclude directory: storing HRL filesSRC directory: Storing erl source Files2. Create a Emakefile fileAt compile time, the
Brief introductionAnimate the View;
How to use
(1) Set Center point location:Set center point as the origin of view, upper left viewhelper.setpivotx (view, 0); Viewhelper.setpivoty (view, 0);//Set center point to Middle Point
One. The slider control (UISlider) effect is as followsNote: The original effect of the system is as followsSpecific function application:① Create a Slider control (uislider), set the size of the control, and add it to the window view, and then
First up/source and reference. Many online materials, the official website also has a description, here does not write the basic steps, the real to write some details in the source code can be seen, late may be more to supplement some relatively
When Android is developing on Mac OS today, open Eclipse does not connect to phone MX4 problem1. Insert phone to open Terminal, enter system_profiler spusbdatatype2. Look for the Vendor ID in the display results :USB 3.0 Hi-speed Bus: host
When you use Androidstudio, you often import other items, and sometimes the following errors occur:Rror:FAILURE:Build failed with an exception.* What went wrong:Task ' not found in root project ' XXXX '.* Try:Run gradle tasks to get a list of
Nsdatadetector is a subclass of nsregularexpression, primarily used to detect semi-structured data: dates, addresses, phone numbers, regular expressions, and so on.First there is a stringNSString *str = @
1. Local notification, App press home to exit to the background, 10 seconds after the local launch of the notification. (similar to push notifications)Uilocalnotification *notification=[[uilocalnotification alloc] init];if (Notification!=nil) {NSLog
In the process of Android development, the Getresources () method is referenced in a non-activity class (Where the class name is assumed to be Mynewclass), as follows:Bitmap bmp = Bitmapfactory.decoderesource (Getresources (), r.drawable.marker_red);
Aidl,android Interface Definition language abbreviation, it is an Android internal process communication Interface Description Language, through which we can define the communication interface between processes. Recently looked at the use of Aidl in
today, when you solve a bug, you encounter such a problem: Description of the problem: when switching the system language to Arabic, the Actionbar layout does not change from right to left.So I added the android:supportsrtl= "true" attribute to the
Android SDK download and update failure resolution: The best way to change the hosts file is to update it faster. WINDOWS linux users to open/etc/hosts files in the C:\WINDOWS\system32\drivers\etc directory. after opening the file, add the
Specific features:There is a uiimageview in one view, and when you press and hold Uiimageview, the picture represented by UIImage in Uiimageview is saved to PhotoAlbum.Implementation: The code is as follows: Self.imageview is a defined Uiimageview
(1) Layout file (2) Create a new XML file in values #ACBDEC #b0b0ff (3) If you want to modify the Android default theme needs to be modified in the manifest file, the circled position is the place that needs to be modified(4) Other
Points:1) installed and configured with Eclipse and JDK environment2) Install ADT plugin for Eclipse (Android development supported)3) Installation Configuration Android SDK environment (similar to JDK)4) path to configure the Android SDK in eclipse5
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