Mobile Develop

Three properties are used to fit the horizontal or vertical size of the view, and a layout based on the contents or dimensions of the view is more convenient than specifying the view range precisely.1)fill_parentSetting the layout of a component to

One, downloadAndroid download large images (such as Weibo long Pictures) will appear oom down problemThe solution to this problem is to get the width and height of the image when downloading the image, and to scale the image if it exceeds the

1, background : According to the requirements of the project, you need to encrypt the configuration file configuration database connection string, that is, the content of the connectinstring node is encrypted storage, taking into account that the

have been dedicated to the use of handler and message, this chapter to understand the handler internal use, this chapter mainly discusses looper in the processing of handler message mechanism plays an important role, We know that we have a message

Note: This note is a note for the "Android Development" learning video, linked as follows: http://open.163.com/movie/2010/1/8/D/M79HE97C3_M79HEQJ8D.htmlOne, activity:a represnetation of a user doing something,Example: Show a list of contacts and

Implement Android Press ENTER to hide the input keyboard, there are two ways:1.) If the layout is multiple edittext, set android:singleline= "true" for each EditText control, and the floppy disk input key is next, until the last one gets the focus

Background: The Android project is uniquely identified with his package, and if two apps with the same package name are installed on a single device, the post-install app overwrites the previously installed app. Objective: To avoid coverage, Android

One, application (Application layer)Applications are programs written in the Java language that run on virtual machinesII, Application framework (Application framework layer)This layer is the API framework used to write the core apps that Google

UI development process, we often need to deal with the image, common such as maps, some more complex, such as location transformation, rotation, filter effects, and so on, the following is a brief introduction to the image processing of some basic

Today's colleague reaction wireless always fail to connect, check the device's iOS version or the first version of the 07-year factory, just in the hands of the image file just updated version.Be sure to do the backup work when updating the device

First, build the Android Studio installation environmentMay 15, 2013 Google IO released a new Android weapon Android Studio. Amazing!Official: Https://developer.android.com/sdk/installing/studio.html#downloadHowever, due to the domestic network

Usually we use the Findviewbyid () method to get the view control we want to work with, but in addition to this method, we can add an extra data to view with the Settag (Onbect) in view, and then use the Gettag () Get to the corresponding view. The

Agent mode (proxy):The proxy design pattern is the structure pattern of an object, and the principle is to provide a proxy object to an object, and the proxy object to control the reference to the Wish object. In some cases, a party cannot or does

Note: Accept text message broadcast, by intent parse out the text message content plaintext, intent in the form of a text message has the PUD forms, that is, byte[][] two-bit array,Need to convert the plaintext SMSMESSAGE.CREATEFROMPDU

Catalogue Directory Reflection definition Why reflection is needed Reflection Methods Method Getdeclaredmethod method GetMethod method Parameter interpretation Invoke method Android Reflex

For these three methods, I think some people are still relatively unfamiliar.So here's a simple introduction today ~We can consider call () and apply () as a method of an object, calling the function indirectly by calling the method. The first

To reconstruct or develop a webpage on a mobile device, the first thing to figure out is the viewport on the mobile device, only to understand the concept of viewport and to figure out the use of META tags related to viewport, To better enable our

First, add two frames: Mediaplayer.framework and Audiotoolbox.framework Add two header files #import #import Add notification Generally when the program has just started to add:-(BOOL) Application: (UIApplication *)

With everyone to explore the Android thread has been some days, the most talked about is how to thread the data sent to the main process for processing, UI interface updates, why so, please refer to the previous essay. In this article we will

IOS Development of ZBARSDK Two-dimensional code scanning custom QR Code Scan page ( two )the previous article solved the ZBARSDK not supported 64bit problem, We can use ZBARSDK now. Import ZBarSDk.h FileAttached code://Meviewcontroller.mAuditory