Mobile Develop

Android Message Processing source code Analysis (1)In Android, the code for Message Queuing that is commonly used is under directory \sources\android-22\android\os and involves the following classes of

* This article turns from CocoachinaOriginal: Insanely great IOS developers SitesNever stop to learn from othersI believe that to become a great person from a "good" person, we need to keep learning from others while adapting to the latest

Keyboard is used frequently in iOS, sometimes adding a control bar to the keyboard can be easily and quickly switch or hide in different input boxesHere is a simple way to implementInitializes a uitoolbar and adds it to the interface, dynamically

android-Application signing and publishingone ready to publish1, remove log, set version number and name2, signature, via ADT tool3, the final test for the release terminal4, Update release resources5, prepare the remote server that the application

Keep all Android crash informationFramework/base/core/java/com/android/internal/os/runtimeinit.javaRe-enter this function, add your own code, save the information, or send it back to the server*/private static class Uncaughthandler implements Thread.

In mobile device development, the use of effective caching techniques is necessary due to the limited memory of mobile devices (mobile phones, etc.). Android provides a cache tool class LRUCache, which we will use frequently in development, and how

Although the following app has not done fast map browsing, ES file browser level, encounter big sdcard or there will be read too long, memory overflow and other issues, but the basic idea is this.For example, there are 4 pictures on the SDcard

Some of the summarized Android rapid development frameworks, all of which are open source frameworks with project addresses, are a great source of development learning.Thinkandroid ProjectGitHub Address:

ObjectiveWhen we get JSON information from the network, sometimes we get something that is not well known, such as the following is the JSON information I get:Can see artist_name I want to be the singer's name, the result is a bunch of things do not

Reproduced:Http://www.cnblogs.com/easonoutlook/archive/2012/12/17/2821648.html (from Easonoutlook)[UIImage imagenamed:] Only suitable for the reading of the map with the UI interface, and some of the larger resource files should try to avoid using

In activity, there are two methods for temporarily saving and recovering state information, both of which are: public void Onsaveinstancestate (Bundle savedinstancestate); public void Onrestoreinstancestate (Bundle savedinstancestate);

/* * File Name: Datacleanmanager.java * Description: The main function is to clear the internal/external cache, clear the database, clear the sharedpreference, clear files and clear the custom directory */import java.io.Fi Le;import

For unit tests of the Android UI class, some of the previously written code was sleep 10 seconds, and then the naked eye checked. This is not used in automated tests.Today changes the code, in fact, the visual inspection is to check the color of the

Application tried to present modally an active controller 1,addgesturerecognizer adding an event to a picture viewFillet avatar _avatarview = new Uiimageview (new RectangleF (_blockspace, _blockspace, 2 * _avatarradius, 2 * _avatarradius)); UIImage

Recyclerview is a new Widgets in the android-support-v7-21 version. We can use Recyclerview to achieve a very simple horizontal vertical listview.gridview. And the effect of waterfall flow. First look at the effect of the project implementationIsn't

"Android vs. iOS development comparison series" callback mechanismThe callbacks for Android and iOS are basically the same, except for the exact naming.This article will summarize iOS delegate and block, Android interface and handler.IOS

After configuring the Activiti to use MySQL, join the MySQL jar package, start the Tomcat report as following errorJuly 01, 2015 3:14:49 pm Org.apache.catalina.core.ApplicationContext LogInfo: No Spring webapplicationinitializer types detected on

UIScreen is a physical screen related to the deviceWindows is a window corresponding to the UIWindow class, inherited from the Uiview,window to be displayed on screen must be set to the main window and Visible. next, you can add some controls to the

Original: http://www.devtang.com/blog/2014/06/29/ios-dev-tools/ObjectiveFrom Apple's invention of the iphone, one of the stories on appstore, like Flappy bird, has stimulated a large number of developers to join the mobile development army. As these

Usually in the development of many lines of text and to have placeholder hint, on their own part of the project code for reference, discussion, hope to have a better way to achieve the advice of the People.idea: by changing the Uitextview text color