1 ARMv7 CPU V6 is definitely not supported. 2 black screen is because your phone CPU does not support the NEON feature. Or the T2 HiSilicon CPU. These 2 are not supported. 3 System version 2.3.3 to 2.3.9 or more than 4.0. 4. Please use more than 4.0
Click on the avatar to enlarge, in fact, the principle is to create an avatar at the same size as the ScrollView, and then let it zoom to the screen size, click on the screen to remove the frame before the size of the restore, and then let it
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android-Optimizing UI Performance (4)-Using viewstubviewstub Concept:Viewstub is an invisible, lightweight view. It has no dimensions, does not draw and participates in the layout in some way. Only when the inflate is called will the view be
Recently in a project to determine whether the user input is a mobile phone number, in fact, this demand in Android is a very common needs such as registration or forget the password and so on may be used! Here's a simple record.Private String
IOS about scrolling View contentsize, Contentoffset, Contentinset finishingContentsize is an area where scrollview can be scrolled, such as frame = (0, 0, 320, 480) Contentsize = (960), which means that your scrollview can scroll up and down, and
Recently you need to make a custom title bar, refer to the colleague example, write your own custom control, the code is as follows:Custom Control Titlebar.java:1 PackageCom.example.hello;2 3 ImportAndroid.content.Context;4
It is still very useful to layoutinflater this class in real-world development, which acts like Findviewbyid (). The difference is that Layoutinflater is used to find the XML layout file under res/layout/and is instantiated, while Findviewbyid () is
The iostream is divided into input and output streams, IStream and ostream, which are input and output to the control window, and common input and output functions are CIN cout cerror;
FStream is mainly to solve the file operation flow, but also
1. With Xib, the height of the lable is not set when the constraint is set, and the height returned is the optimal height.2. Calculate Height with lable codeCGFloat getheightforlablestring (nsstring *value,cgfloat width,uifont * font) { * Lable=[[
UIView's Setneedsdisplay and Setneedslayout methods. The first two methods are executed asynchronously. Setneedsdisplay will call the automatic call DrawRect method, so that you can get uigraphicsgetcurrentcontext, you can draw. Setneedslayout, by
When a view controller is created and displayed on the screen. Order of execution of code1, Alloc create objects, allocate space2. Init (Initwithnibname) initializes the object, initializes the data3, Loadview from the nib load view, usually this
Needless to say, the need to do this first:1. Some social elements in the app share a link to social media such as Facebook, Twitter, and Google +2. When users click on a link to jump to their own page, and then pass the parameters to the iOS app to
The experience of the iOS version being rejected:1, login mode depends on external platformBecause our app is only using Weibo to login, want to make similar meerkat type, also can all kinds of news synchronization Weibo.The result certainly does
The relationship between UIView and CalayerIn ios, a uiview corresponds to a calayer, and the View's responsibility is to create and manage this layer to ensure that when the sub-view is added to or removed from the hierarchical relationship, The
The previous blog said a bit. 9.png pictures http://blog.csdn.net/qq_23195583/article/details/46737419Of course, Point nine refers to the can be stretched, then if the picture does not stretch it, then how to deal with these problems, you can study
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