Mobile Develop

JSON is now popular Universal data format, Android is not very convenient for its operation, although there are Gson and other Lib.instagram new Ig-json-parse automated operation, automatic serialization and deserialization, very convenient.Is that

One layout contains another layout1. Define Activity_other.xml layouts under Layout2. The code contains the following:Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"android:layout_height=

==================== Problem Description ====================Title, using the Android SDK Manager is not able to download the various versions of the SDK, is not recently connected to the Google server?I used what I said on the Internet to join the

(1) When the navigation controller initialization usually has a root view controller, the navigation controller is equivalent to a stack, which is installed in the view controller, the first to go in the lowest side, the last to go in the top. At

I believe everyone has seen the cool dog music player, especially the cool dog rolling lyrics to achieve, the effect is particularly good. I also try to look at the cool dog lyrics file, found to be encrypted, can not see at all, so only from the

httpclient interacts with server data: HttpPost and HttpGet correspond to post and get submissions, respectively. Because to do the Android client's sake, it is necessary to implement the client and the server to achieve data interaction, to ensure

The previous note and some of the previous notes have some properties that have no effect, such as the switch background image of the uiswitch switch control, or simply do not have the attributes we want, such as setting the control size directly

Many of us should have done this, open the dial pad input *#* #4636 #*#* and other characters will pop up an interface to display some information about the phone, this feature is called Android secret code in Android, in addition to these system

Mobile development involves a wide range of content, followed by several third-party service sites that are suitable for independent developers or small development teams to alleviate the development burden.1.AVOShttps://cn.avoscloud.com/AVOs is a

1. Android Process Management & MemoryAndroid is primarily used in embedded devices, and embedded devices are usually not highly configurable due to some well-known conditions, especially when memory is relatively limited. If we write code that has

Screen resolution may vary due to the size of different phones. You may have encountered these problems while developing your application:1, why does the picture become smaller or smaller when it is displayed on another phone?2, why is the pattern

1, first say the canvas class:Class OverviewThe Canvas class holds the "draw" calls. To draw something, your need 4 basic components:a Bitmap to hold the pixels, A Canvas to host the draw calls (writing into The bitmap), a drawing primitive (e.g.

Transferred from: http://www.growingwiththeweb.com/2014/01/handy-adb-commands-for-android.htmlView connected device (s)Use the To view all connected devices and list their IDs.ADB devicesIf multiple devices is attached, use to adb -s DEVICE_ID

Androidannotations works very simply by using the standard Java Injection processing tool, which automatically adds an additional compilation step to generate the source code.What is the source code? Each enhanced class, such as every activity

Let's look at these 11 sensors in turn.1 Acceleration SensorThe accelerometer is also called G-sensor, which returns The acceleration values for the X, Y, andz axes. This value contains the effect of gravity, in units of m/s^2. Put your phone flat

Notificationlistenerservice is a service that is tuned through the system, and when an application initiates notification, the system will call back the action and information of the notification to Notificationlistenerservice.Before inheriting the

Foreword: In the development of iOS often encounter two words frame and bounds, this article mainly elaborated frame and bound difference, especially bound very around, difficult to understand.First, take a look at the accepted information: first

Brief introductionThere are many mechanisms used in Android, such as: Broadcast, service, database, notification, package ... Wait a minute.What is a broadcast? Broadcast is a widely used mechanism for transmitting information between applications.

Original: http://blog.sina.com.cn/s/blog_62f987620100sf13.htmlThe label is introduced separately because it plays an important role in optimizing the UI structure. The goal is to optimize the structure of the entire Android layout by cutting

1. Right-click on the project, select the Android tools->rename application package, enter the name you want to change, and select the packages you want to change, some of which may not need to be renamed.2, the previous step did not modify the