Mobile Develop

iOS provides ARC functionality that greatly simplifies the memory management code.1, the essence of Arc:With ARC, iOS developers can completely abandon the cumbersome memory management mechanism. In the case of arc opening, the compiler will

Android studio:com.android.support:appcompat-v7:21.+ Error:Modify in Project-->app-->build.gradle:Apply plugin: ' Com.android.application 'Android {compilesdkversion22buildtoolsversion"22.0.1"Defaultconfig

The text in the default Uilabel in iOS can be aligned vertically in the vertical direction, and I inherit a new class from Uilabel, enabling alignment, alignment, and alignment. Specific as follows:1. Create a new class VerticalAlignmentLabel.h

Finally decided to move from Android platform Development to iOS development, starting from OC, get started from "OBJECTIVE-C programming full solution" to record reading notes.Study Plan:1. Read the full solution of OBJECTIVE-C programming ( one

The first or most basic ImageView controls how to display a picture:Android:id= "@+id/imgview"Android:layout_width= "Fill_parent"android:layout_height= "Fill_parent"android:src= "@drawable/ic_prepicture"Android:scaletype= "Matrix"/>The above layout

Do the project need to play a boot video, this thought is very simple, the results found there is always a flaw, fortunately there are degrees Niang, now the harvest summarized as follows:First, to achieve video playback:Note that I am here to play

iOS app development process, sometimes for bug tracking or to obtain the need for feedback to automatically collect user devices, System information, application information, etc., this information to facilitate the developer to diagnose the problem,

There are several ways that Apple has recommended scenario conversions: The General way to jump:PresentviewcontrollerDiscussionIn a horizontally compact environment, the presented view are always full screens. In a horizontally regular environment,

To those who use, want to use, have not used kjframe friends. Kjframeforandroid is divided into four functions: Activity Inheritance Chain specification, HTTP data request and upload download, bitmap loading and listview scrolling only load memory

Original URL: http://blog.csdn.net/lemon_tree12138/article/details/39337867In what circumstances will the ListView appear misaligned? What is the reason for dislocation? How to solve? These questions are explained in the following

Threading OverviewSome programs are a straight line, from the starting point to the end point, such as Hello World, which runs out of print, its life cycle is over; some programs are a circle that keeps looping until it is cut off, such as the

After several years of applying Fragment to Android app development, I have to say that although Fragment's concept is excellent, it also brings a lot of problems. When we are dealing with the state of the instance, we need to repair it in a special

First, grab the packet with Burp (HTTP and HTTPS)Make the phone and PC in the same LAN, on the PC open burp set proxy for the IP of the PC, the port can be customized, on the phone with proxydroid set up the network or manually modify the agent for

android.permission.access_checkin_properties  allow read and write access to the "PROPERTIES" table in the CHECKIN database, change the value can be modified upload ( Allows  read/write access to the  "Properties" Table in the checkin database,

1. Archive Archive Preservation of data 1: as String) 2: println ("save result \ (result)") Read the Data: 1: var t:[contact]? 2: as String) 3: if any = = Nil

Building a classStudent.h#include @interface student:nsobject{ int age;} -(int) age;-(void) setage: (int) newage;+ (id) title;//+ is a class method, equivalent to static in java, and string return value using id, not nsstring@end//this must be,

I believe everyone will use the ListView control a lot of times, because it is really a lot of use, but there is a lot of wood has encountered too much data, when the slide to the ListView sometimes, it will need us to optimize it.The ListView

A brief introduction to the directory structure of the two IDE (eclipse and As) developed by ANDROID.1. The following is the directory organization for EclipseIt mainly introduces several folders that need to be known in the introductory Stage.src

1. In The. m file that needs to use the network imageNsurl *url = [nsurl urlwithstring:imageurlstring];UIImage *placeholder = [UIImage imagenamed:@ "placeholder"];//the former: Download failed retry, the latter: low priority, if the TableView is

GridView: A view that shows items in two-dimensional scrolling grid. The items in the grid come from theListAdapterAssociated with this VIEW.    To put it simply, the GridView is the icon display of the files we see in our Explorer. As mentioned