Mobile Develop

Introduction of a more common usageThe first step: Prepare two pictures with the same size and different colors. The image name is divided into: Editbox_focus.png and editbox_normal.png into the project's drawable folder.Step Two: Create the

So far, already know 3 kinds of iOS Bullets: 1, System frame-bottom frame uiactionsheet (1) Usage: Handling user very dangerous operation, such as Logout system (2) Example: Uiactionsheet *sheet = [Uiactionsheet Alloc] initwithtitle:@ "OK to log out?

Recently do a project to use Popupwindow, but in the process of development do not know what the cause of the creation of a good view after the window is always out of play, logcat print the corresponding exception is as follows:Said is because

Catalog (updated at 20150311) Meta Basics H5 page window automatically adjusts to device width and prevents users from zooming the page Ignore numbers in a page as phone numbers Ignore the recognition of email addresses in

It is very common for Android to treat a piece of bitmap as a circle, and the common occasion is to use the canvas to assist with this function, as shown in the following code1 Public StaticBitmap Toroundcorner (Bitmap Bitmap,intpixels) {2Bitmap

There was an error today when using ScrollView, which prompted:Unexpected namespace prefix "xmlns" found for tag ScrollView The layout is as follows:        xmlns:tools= "Http://schemas.android.com/tools"       android: Layout_width=

This is based on the latest V4 package implementation of a drop-down refreshed Dongdong ~ ~ ~First of all, the whole is very simple, after all, is not a custom, but also please relax your heart!!! Not much nonsense to say, direct sticker code

The right posture: XML version= "1.0" encoding= "Utf-8"?> selectorxmlns:android= "Http://schemas.android.com/apk/res/android" > ???? ???????? Android:state_enabled= "True" cannot be saved, otherwise disable status will be invalid ???? -

Android intent on two pages there are two main values, one is to pass values between two activity, and the other is to pass data between a normal page and an activity.1. Intent values between two activityfirst define two activity firstactivity and

Need to configure permissions android:name= "Android.permission.ACCESS_WIFI_STATE"/> android:name= "Android.permission.ACCESS_FINE_LOCATION"/>Determine the WiFi and GPS status of Android Private voidCheckwifiandgpsstatus () {Booleanresult

1, Androiddevtoolsurl:http://www.androiddevtools.cn/Collect the Android SDK needed for Android development, tools for development, Android development tutorials, Android design specifications, free design materials, and more.2. Android SDK Download

On the implementation of animations, Android provides animation, with two animation (animated) modes1. Tween Animation: It is a kind of gradient animation to animate the object in the scene by constantly making image transform (translation, zooming,

Linux system memory mechanism: In Linux there is such a thought, the memory is not white, so it as far as possible cache and buffer some data to facilitate the next use. But in fact, the memory is also available for immediate use. So free memory

1. What is the strict mode (Strictmode) Strictmode is a development tool that detects what you might do by accident and lets you focus so that you can fix them. Strictmode is the most commonly used disk or the main thread of an

In our project, often use a lot of third-party code, the code may be very complex, we do not dare to change them, but the author has stopped updating, when the SDK upgrade or the compiler upgrade, these legacy code may appear many warnings, then we

First, the problem description In Android development, the most used data Refresh method is the drop-down refresh, and to complete this function we use most of the third-party open Source Library Pulltorefresh. Today, Google is also

JS Alert is not supportedUseNavigator. Notification. Alert Need to add in config??Example? ?Effect???????Vs2013 HTML5 Development WP8.1 app Alert

First, the problem description In Android development, the most used data Refresh method is the drop-down refresh, and to complete this function we use most of the third-party open Source Library Pulltorefresh. Today, Google is also

When displaying data with Uicollectionview, sometimes we want to adjust the cell spacing to a value we want, and then look at the API to see a property like this:-(CGFloat) minimuminteritemspacing { return 0;}However, in many cases we will find

1. Conceptual interpretationStatic storage: Within the time the program is compiled, it is already allocated, and the entire running period of the program exists in this block. It mainly stores static data, global data, and constants.Stack area: