android 4 2 emoji

In this example, we will focus on using the SQLite database access method provided by the Android platform, including read/write access.1. Follow the following configuration and the method described in step-by-step instance 1 to create the base of the entire project:Project name: examplefourPlatform: android2.0;Application name: examplefourPackage name: COM. ExampleActivity: mainactivityResource file: Main. xmlThe attributes of a textview are as follo

Source: http://www.imooc.com/video/1627IDE Breakpoint Debugging FeaturesFor example, the previous program, wrote the wrong, become the following1 PackageCom.imooc;2 ImportJava.util.Scanner;//written behind the package3 4 Public classHelloWorld {5 Public Static voidMain (string[] args) {6Scanner input=NewScanner (system.in);//Create a Scanner object7System.out.print ("Please enter exam results informa

In the QQ project, we have implemented the background operation of the notification bar and sent new message prompts. Generally, we often use two components toast and notification during Message notification. In particular, it is most appropriate to use notification to display important and long-time information. When there is a message notification, the status bar displays the notification icon and text. You can see the notification information through the drop-down status bar.

There are a number of ways to implement TextView text links in Android. In summary, there are about 4 kinds.： 1. When the text appears in the URL, E-mail, telephone number, etc., you can set the TextView Android:autolink property to the corresponding value, if all types come out is android:autolink= "all". Of course, can also be done in Java code, textview01.setautolinkmask (Linkify.all);

recommended to install the ADT plug-in online, before installing online, you need to set the Google server address, using the command:sudo gedit/etc/hostsOpen the Hosts file and add code at the end of the file:74.125.237.1 dl-ssl.google.comSave exit, 4-1; if not set up here, the failed to fetch URL http://dl-ssl.google.com/will appear on the online installation and the installation package error cannot be downloaded.Figure

60 years old, then the "middle age", if the ages between 18 to 40 years old, then the "juvenile", 18 years of age, the reminder "childhood"Operation Result:1 Public classHelloWorld {2 Public Static voidMain (string[] args) {3 intAge=25;4 5 if(Age >= 60) {6System.out.println ("Old age");7}Else if(Age >= Age ) { 8System.out.println ("Middle-aged");9}Else if(Age >= Age ) {TenSystem.out.println ("juvenile"); One}Else { ASyst

simple demo adds the company attribute to the contact person to save the JS code:[JavaScript]View Plaincopy Save data function Save () { var contact = new Object; Contact.user_name = document.getElementById ("user_name"). Value; Contact.mobilephone = document.getElementById ("Mobilephone"). Value; Contact.company = document.getElementById ("Company"). Value; var str = json.stringify (contact); Localstorage.setitem (CONTACT.MOBILEPHONE,STR); Loadall (); } Extracts al

="The index column that shrinks the two or three column. Because the subscript starts at column No. 0. When a Lietaikuan (too much content) is not extruded, the columns must be separated by commas, and all columns can be shrunk by means of *.A column can represent both contraction and stretching."Android:stretchcolumns="Stretches the index column of the two or three column. Because the subscript starts at column No. 0. The index column starting at 0. To fill the rest of the extra empty space, th

a column, Android: background this property sets the background color. Android: layout_width: when setting this attribute, I didn't use the three property values, but defined by myself. At this time, we need to understand the measurement units of android: 1). dp-density-independent pixels. 1 dp is equivalent to 1 pixel on the screen of 160dpi. We recommend that

-called "fish and bear's paw" cannot have both features. The actual situation is the King .) Select android2.2 and click Next Enter the program name at the first place of the program annotation, that is, the name displayed at the top of the program during running. Everyone who has learned Java knows what a "package" is. For those who haven't touched the "package" yet, I will give a personal explanation: Package: to prevent conflicts between classes with the same name and assign them to diffe

Notation 1: Inner classDefine an inner class to implement the Onclicklistener interface, and then register an instance of the inner class with the button.Notation 2: Anonymous inner classnotation 3: Let the activity implement Onclicklistener interface, through this to register button click event, the replication OnClick method, by judging the view, centralized processing each button click event. This method is the most commonly used method for having

Enable android development tool (Eclipse) 1. Right-click New --> Android Appliction Project Click Next and follow the default configuration method... 2. The project structure is as follows: 3. Do not tangle the project structure. Run the project once: 4. Right-click the project Run As... -->

/ C) modify the repo file and REPO_URL) Sudo gedit ~ /Bin/repo Modify the URL in this file (this is from Tsinghua University) REPO_URL = 'git: // aosp.tuna.tsinghua.edu.cn/android/git-repo' Step 3: Initialize repo and start downloading Mkdir anroid Cd android Git config-global user. email "youremail@jileniao.net" Git config -- global user. name "Your Name" Repo init-ugit: // aosp.tuna.tsinghua.edu.cn/

An Android app can contain zero or multiple acivity values. When your application contains multiple activities, you usually need to jump between them. In Android, intent components are required to complete these operations. The best way to understand this important and abstract concept is to try it. The following example shows how to jump between two activities. 1. Create a project, usingintent.