Data is passed between view in two main categories: direct and indirect delivery. In which indirect delivery can also define a singleton that is used to share data."Old solution before IOS5"1) Using the proxy mode sub-Viewcontroller Design Agent
Group members: Li Lin Liu You Shen Wei Yumei Xu HuiGroup Division: Li Lin as the architect and project director, Shikiong is mainly responsible for the app interface art, Wei Yumei mainly responsible for writing blogs, others work to be
Android WebView Call JS method very easy, Webview.loadurl ("Javascrpt:yourfunction ()");However, this method has no way to get the return resultThe return result can be obtained only by invoking the alert method and then by overriding the Onjsalert
Network listening to the class for Reachability.h, this Xcode project is not self-contained, need to download from GitHub, when used to remember to import systemconfiguration.framework. The first is to set up network monitoring in APPDELEGATE.M.
If the cell is not used for recycling. A cell is recreated each time the data is displayed, and if the displayed data is re-displayed again, a cell is recreated, which can result in a waste of memory.Solution: is to let the displayed cell into the
Reference article http://ph0b.com/android-studio-gradle-and-ndk-integration/After reading the above article for the Androidstudio integrated NDK generated so dynamic library has a very simple solution, the other things for the moment there is no
Exception: Java.lang.SecurityException:Permission denied (missing INTERNET Permission?)Workaround:Internetexceptioneclipsesocketandroid ToolsThis is a classic error, the socket can not be connected externally, the error will not be reported,
@property parameterscopy:nsstring;Strong: General ObjectsWeak:ui controlsAssign: Basic data typeInstancetypeInstancetype on a type representation, as with an ID , can represent any object type Instancetype can only be used on return value types and
To make a statement, I have not done any business app, the following ideas are just a little bit of personal time thinking, if you are a professional, the liberal enlighten.Overview
During the development process, the APIs that are provided
Last week look at a company project flexible use of the EditText attribute InputType. The InputType property can be defined not only in XML. It can also be set in the activity. This is how the project scenario applies. A page requires a lot of
We must understand the iOS lifecycle in order to handle data retention in cases where applications are pending, paused, and so on, or to add the required processing.But don't go back and remember, just do an experiment.-(BOOL) Application:
How to perform Android unit testing
Menifest.xml Add: Join in: outside join:Android:label= "Test for my App"/>
Writing unit test code: must inherit from Androidtestcase classPackage name.feisky.android.test;Import
Recently, did a long press Powerkey trigger dialog then contains "shutdown", "restart", "Flight mode" three button function application. Now make a record of the application's main file for future reference:Software version: android4.4The source
Original address: http://blog.csdn.net/mfc2003/article/details/40087663DP Calculation formula: 160*pix/ppi (PIX is the resolution of the height or width you want to calculate, PPI is pixel density, more than 320 is Retina display)For example, we are
Recently in doing a Viewpager + fragment switch page, one of the fragment to open the camera, need to surfaceview, but when switching to the fragment of the former, this fragment is also loaded. Cause the card and flash a black screen.Black screen
General listening volume is the tap of the listening volume button, but the scrolling volume bar can not listen to the dragWorkaround:The system emits a broadcast when the volume changesWe just need to listen to the radio.The ACTION of the broadcast
Sometimes it is necessary to have the activity run in the background in the following ways:In Androidmanifest.xml, the activity attribute is increased:Android:theme= "@style/backgroundonly"Android:configchanges= "Orientation|keyboardhidden"Add the
Original link: Scroll IFRAMEs on IOSOriginal date: July 02, 2014Translation Date: July 10, 2014Translators: AnchorFor a long time, elements beyond the bounds of safari on iOS devices will not scroll, and handling this problem has been a torment for
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