Mobile Develop

ObjectiveKnockout is designed to allow you to use any JavaScript object as the view model. Some properties of the view model must be observable, and you can use KO to bind them to your UI elements, which are automatically updated when these

The expandablelistactivity of Android control developmentThis post focuses on the simple use of the expandablelistactivity (extensible list) control in Android control development. Java code:Package com.example.expandablelistactivity;Import

Androidimplemented inViewthe update has two sets of methods, one isInvalidate, the other group ispostinvalidate, of which the former is inUIthread itself, while the latter is used in a non-UIused in threads.  Androidprovides aInvalidatemethod to

Android control Development Timerpicker and DatePickerJava code:Package com.example.timepicker;Import Android.os.Bundle;Import android.app.Activity;Import Android.app.DatePickerDialog;Import Android.app.Dialog;Import

iOS Advanced Development ~runtime (i)iOS Advanced Development ~runtime (II)iOS Advanced Development ~runtime (III)iOS Advanced Development ~runtime (IV)Some common classes:@interface Customclass: nsobject-(void) fun1;@end@implementation Customclass-(

1., most apps Click two times return can be closed, is the best;2., some exit after shut down, but with special management software can be turned off, followed by;3., some are to take management tools also shut down, in the background quietly run,

When we are in a certain view of multiple Uiimageview, and Uiimageview are displaying a large HD image, there is a possibility of a memory warning issue. If you enter this view for the first time, there is no memory warning, and when you enter this

The company's development of the project requires the status bar to join the program download progress bar, previously written program, because it is based on the direction of the ipad to set the custom status bar frame, as well as the sub-view

HttpContextThe HttpContext is a context object in ASP. But the problem with this class is that it has no base class and is not a virtual function. This way, we can't mock it when we write the unit test. Therefore, it is advisable not to pass

1. ActionbarsherlockActionbarsherlock is a standalone Android design library that allows Android 2.x systems to use Actionbar as well. In addition, Actionbarsherlock allows developers to easily use and design Actionbar with just one API.

Some properties of the OC object:Retain,strong, Copy,weak,assign,readonly, ReadWrite, unsafe_unretainedHere are the separate functions and differences:retain, counter plus 1, (add a pointer to the memory) corresponding to the release (counter-1)

iOS Development database Chapter-fmdb Database queueOne, code example1. You need to import the Fmdb framework and header files first, since the framework relies on the Libsqlite library, you should also import the library.2. The code is as follows:1

The project encountered a feature that needed to calculate the size of the sandbox directory.Looked at the method provided by Nsfilemanager to find a-(Nsdictionary *) Attributesofitematpath: (NSString *) path error: (Nserror *) Error ns_available (10

Android Custom Toast-Popup messageImplementation method:1.new a toast instance toast.2. Customize a View instance view that is displayed.3. Set Toast.setview (view), Toast.setduration (Toast.length_long) to display the message time4. Avoid the wrong

The previous article mentioned the solution of the problem, but found that many netizens are not PE, or the front-end is not very familiar with, then the following text in detail how to modify the page data. I'm using a Chrome browser here.1, as

Implementation mode one (using system transparent style)By configuring the activity's style to implement, in Androidmanifest.xml find the activity to achieve transparency, add the following code in the activity configuration to set the activity as

java.lang.arrayindexoutofboundsexception:length=15; Index=15Abnormal appearance: In the chat interface, you need to insert emoticons, pictures, text, business cards, and several more complex layouts. The Getviewtypecount () and getitemviewtype (int

Adt-bundle for Windows is an integrated IDE, officially provided by Google Android, which already contains eclipse, you no longer need to download eclipse, and the plugin is integrated It solves the complex problem of most novices configuring the

APP It is often necessary to clean up images that are not used in the project before they are released, which may be test images or images that were left over from previous versions.Use the method to save the following code to **.sh and then CHOMD 77

I. OverviewAndroid Several animation types are available: View Animation , drawable Animation , Property Animation . viewanimation quite simple, but only support simple zoom, pan, rotate, transparency basic animation, and have certain limitations.