Mobile Develop

First, the basic applicationBelieve that the basic hidden methods online a lot, here is just a brief explanation1?? Change the global status bar1. Set Uiviewcontrollerbasedstatusbarappearance to No in the project's Info.plist file. That is, changing

Recently started to learn iOS, XCODE5 in the default generated storyboard in the control of a lot of properties can not be set, so try to write the button in an empty project, if there are errors, please correct me, learn together.1. New

Title: Hdoj 4925 Apple TreeSource: multi-university Training Contest 6Test instructions: Give a matrix, then the number in each lattice is 2^ (the number of adjacent lattice), and then asked not to take the adjacent number, so that the number of the

The singleton pattern is used when a class can have only one instance, typically this "singleton " represents a physical device such as a printer, or some kind of virtual resource or system attribute, such as a program's engine or data, that can not

In addition to the SQLite database, Sharedpreferences is also a lightweight way of storing data, which is essentially based on XML files that store Key-value key-value pairs of data and are typically used to store some simple configuration

When debugging a system application using Eclipse, Androidmanifest.xml often has this error:Permission is only granted to system appsWorkaround:Android Lint Preferences--->correctness the corresponding check will be the following error:650)

1: Create a shortcutPermissions Required: "com.android.launcher.permission.INSTALL_SHORTCUT"/>  Private Static voidCreateShortcut (Context cxt, String shortcutname,intshortcuticonres, String className,BooleanDuplicateBooleanlauchercategory) {Intent

Many people are not unfamiliar with them, in a number of Web applications, using Server.MapPath and Request.physicalapplicationpath to manipulate the directory/file is a mixed chance, I used to mix, but the time is long. Found

Prior to the Android Froyo version , the official document performance tips had "Avoid Enums Where you are only need Ints" and later that part was removed , see Per Formance Tips Android VM Team Elliott Hughes clarified the issue on

Recently in the study of Android development layout this piece. For the first time, a lot of code is unfamiliar. So automatic hints are important to me. But the sad reminder is that this automatic notification fails. Today in the online search for a

Background:Last night to sleep before the shutdown, remember the power is still 70% or 80%, but wake up in the morning, the lights have been flashing red, press the boot button and other keys did not respond!!Workaround:Snap down the battery, with

1. Introduction to Touch EventsThe Ontouchstart, Ontouchmove, Ontouchend, Ontouchcancel events are generated when the Web page on the mobile terminal touches the screen, respectively, corresponding to the touch screen start, drag and Finish touch

1 common resolutions for Android phones today1.1 Common resolutions for mobile phones:Resolution corresponds to DPI"HVGA mdpi" 480*320"WVGA hdpi""FWVGA hdpi""QHD hdpi""720P xhdpi""1080P xxhdpi"4:3VGA 640*480 (Video Graphics Array)QVGA 320*240

1, Function: Sets the default size to limit the scaling.2, Function: Added to the home screen after the full screen display3, Role: Delete the default Apple toolbar and menu bar.4, Effect: Controls the status bar display style. Defaults are default (

UI optimizationButton background flattening processing defines a black border, a white background picture as backgroundBlack_border.xml Black_border_pressed.xml Using Selector Effects such as:ListView Background

Android BasicsTidy up the personal thought that the novice must master the knowledge points, the way will also be accompanied by the corresponding feel good to explain the blog address. Two minutes to fully understand the Android activity

Android activity has four startup modes, namely Standard, Singletop, Singletask, SingleInstance.The test found that the timing of onactivityresult in different modes was different:1 in standard, singletop two modes, the Onactivityresult method is

Today the app writes about the Bluetooth re-connect phase, previously written for SDK 6.0, the Bluetooth device's reply is through-(void) Retrieveperipherals:(nsarray *)peripheraluuids And then

 Use of handler (i)Handler Basic Concepts:Handler is mainly used for processing asynchronous messages: When a message is sent, first enters a message queue, the function that sends the message returns immediately, and the other part takes the

I believe that when you do the project has encountered the need to implement this function---to achieve a single selection of a cell indicates the selectedThe implementation of this feature only requires code in two methodsPreferred we expose a