Mobile Develop

Learn Android students pay attention to!!! You are welcome to join the Android Learning Exchange Group number: 364595326 we learn android! together. The event pass of view in Android is passed from top to bottom, that is, the event is

1. Environment constructionADT (Bundle) + JDK (install by yourself Baidu)ADT (Bundle) integrates Eclipse + ADT + Android SDKThe JDK bin contains various commands;LIB contains a variety of libraries;2. How does the programmer write the program?Java

Monitoring device status is an important part of creating an efficient and dynamic application, and the behavior of the application changes based on connectivity, power status, and dock status.When one of the device states changes, Android

1. String transfer to DataNSString * str =@ "str"; nsdata *data =[str datausingencoding:nsutf8stringencoding]; 2.NSData Turn NSString nsstring * str  =[[ nsstring alloc] initwithdata:data  Encoding:nsutf8stringencoding]; 3. data  to char

Intent the first usage is to use it to jump between activitiesCreate a new secondactivity activity and create a new second_layout for it. The XML layout file also creates a button with the name 2. Then register in Androidmanifest.xml.Next, rewrite

Use one day to organize Appium for Android documents. PortalUse your spare time to skim through the data, Google. Baidu and so on to find, a strenuous effort, finally finally took the document.is also the author of the recent study of their own

We know that iOS because of the sandbox, the application can not go across its own area to access the content of other storage space, but there may be many scenarios we need to share data between the application, such as multiple applications shared

Eventbus is an open source project on GitHub, address: Https://github.com/greenrobot/EventBusQuestion: 1. Now all the projects created by Android Studio, how to import these items (unfamiliar with tools); 2. How do I get the. jar package for these

I. About adding an ID property to a control As mentioned above, the actual layout effect is as follows:The id attribute is actually added for the bottom layout, which is where it was before it was defined. That is, when you define the ListView,

How to build a user interface using Android layouts for all types of devices using the Android layout designed UI interface for different Android devicesAndroid provides a flexible framework for UI Design This allows your app to display different

1, the operation of the socket is placed in a non-UI thread?? In Android apps, in order to ensure the user experience of the app, you must respond as quickly as possible to the user's actions, so it is not recommended to put time-consuming actions

Necessary knowledge:Doing a mobile station has a necessary knowledge about screen width and scaling issues. We used to add a tag between the tagsWindow settingsName= "Viewport"Page Size screen widthWidth=device-widthInitial scale, 1.0 indicates

Recently write mobile page write more, Edge is basically used 1px, the visual is also really a little coarse, this does not idle down, the specific study of the next 0.5px is how to achieve, remember, this effect only on the phone can see the effect

Execute These commands from the terminalrm -Rf /Applications/Android\ Studio.apprm -Rf ~/Library/Preferences/AndroidStudio*rm ~/Library/Preferences/com.google.android.studio.plistrm -Rf ~/Library/Application\ Support/AndroidStudio*rm -Rf

1. Background:April 2014 First contact with iOS development to develop a financial app for a bank.In the final phase of development, added the ability to return to the homepage directly from any page.Sadly, instead of using Uinavigationcontroller

Mobile phone system after 7.0 with Showasdropdown () will be the location of abnormal, this is used showatlocation () just fine.if (Build.VERSION.SDK_INT Pw.showasdropdown (ll_rank, 0, 0);//ll_rank is a view that shows in the bottom} else {Suitable

Idea: Connect to Internet Resources--Analyze XML Resources--use Download Manager to download filesThe Internet connectivity model for Android and Java technology for analyzing Internet data sources.The Internet connectivity model for Android and

Android sometimes need to get the size of the screen to control the position of the control, recently done some research, now the method to get the screen size information summarized below, there may be some local understanding is not comprehensive.1

AndroidReferring to adapter mode on Android will think of the most common ListView and BaseadapterIn the use of this feature, an object adapter similar to adapter modeFor example in the ListView want to use a GetView () method, but different data,

When an Android device is idle, first its screen will darken, then turn off the screen and finally turn off the CPU. This prevents the device's power from being consumed quickly. Sometimes, however, there are some exceptions: Apps such as