Mobile Develop

Summarize and review some of the basic things, mainly with OC different and new.I. Basic data typesInt, Float, Double, Bool, Character, String (uppercase in first letter)Array, Dictionary, tuple type (tuple), optional type (Optional)Specify the data

Reprint Please specify source:http://blog.csdn.net/allen315410/article/details/39319057Generally in the company to do client product development will find that the difference between Android and iOS, iOS thanks to the "Old Joe" of the careful design,

The annual Apple new products just a few days after the release, September 12 on the official listing, in accordance with the Convention, farmers have to fight on the net, the Apple Store in Hong Kong after the official opening of the 12th 3 o'clock

First, the realization effect:Recently in the project need to do similar to the display of the effect, the number and title is dynamically acquired, for this kind of display effect, like the following two solutions to deal with:(1) Dynamically set

Because of the need, the recent days busy writing call Butler This small software, has been basically written almost, the basic functions have been realized, the rest of the following improvements, and the previous Notepad project has not been

1.+ (BOOL) issourcetypeavailable: (Uiimagepickercontrollersourcetype) sourcetype; Checks whether the specified source is available on the device.[Uiimagepickercontroller Issourcetypeavailable:uiimagepickercontrollersourcetypephotolibrary]; Check if

Scrolling viewScrollViewxmlns: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">HorizontalscrollviewAndroid:layout_width=

Public class Baseactivity extends Activity { Resources Res; //generic resource abbreviation @Override protected void OnCreate (Bundle savedinstancestate) { Requestwindowfeature (Window.feature_no_title); //Do not show title

First, for example relativelayout in android:visibility= "Gone"It has three properties: visible display; invisible display black background bar; gone not displayedIn a class, you can set its display or not, setvisibility (View.gone);Setvisibility

VSS-Virtual Set Size virtualized memory consumption (contains memory consumed by shared libraries)is not the actual memory occupied by the current application process. 　　　　The principle of memory allocationFrom the operating system perspective, the

Today is the eighth lesson, mainly about the introduction of the ListView in Android.Play Address:Click to open linkAbout Whistling Android Videos:The most important feature of this video is practical, which should be said, which should not be said,

Unlike the Windows platform, where Android applications cannot control their life cycles, application components must listen to changes in the state of the application and respond appropriately, paying particular attention to being ready to be

Add scroll barThis adds the scroll bars on both sidesLinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Fill_parent"Android:layout_height= "Fill_parent"android:orientation= "vertical" > ScrollViewAndroid:

use of Android startactivityforresult           Androidbuttonstringclass TasksThe main role of Startactivityforresult in Android is:A-activity needs to perform some data operations in B-activtiy, and B-activity will return the results of the

First we know that in Android, adapter itself is an interface, he derives a lot of sub-interfaces, these sub-interfaces are implemented by many specific classes, to achieve the specific display effect. This time we mainly introduce the Simpleadapter

#import #import "MainViewController.h"#import "Reachability.h"@interface Appdelegate:uiresponder @property (Strong, nonatomic) UIWindow *window;@property (nonatomic, ReadWrite) Srwebsocket *warblesocket;@property (nonatomic, ReadWrite) BOOL

In this article we learned some basic knowledge about the Android database, and a few useful sqlite commands, all directly on the command line. But we all know that the database is to be used in conjunction with the program, a separate database to

In the course of project development, good code reuse often occurs, or provided to third-party functional modules but do not want to see the source code, these times, it is common practice to encapsulate code into a library or framework, which is

activity.finish (): Call the When the your Activity is do and should be closed. 　　Call this method when your activity is completed, or when the activity needs to be closed. When you call this method, the system simply moves the top activity out of

Use Imageswitcher to change images for gradient effectsLinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height=