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————————————————————————————————————————|wangkuifeng0118| Address: http://blog.csdn.net/wangkuifeng0118/article/details/7028953————————————————————————————————————————Content Provider belongs to one of the components of an Android application, and as the only way to share data between applications, content Provider's primary function is to store and retrieve data and provide access to data to other applications.The
Android system development (4) -- AutotoolsComposition of Autotools
1. autoscan
Autoscan is used to scan the source code directory to generate the configure. san file. configure. san contains the basic options for system configuration, which are macro definitions. We need to change its name to configure. in.
2. aclocal
Aclocal is a perl script program. Aclocal au
In development, you often encounter the need to get control size after activity initialization is complete.However, this operation cannot be called in the OnCreate, Onresume, and other life cycle methods because we do not know when the view will be initialized to completeTo this end, a summary of the four implementation methods1, activity/view#onwindowfocuschanged This method is the listener focus pity Dorado, but in many cases it may be called multiple times and needs to be handled appropriate
First, the three elements of the event:Event Source: Source of event occurrenceEvent: Behavior (click, touch ...)Event listener: What to do when an event occursSecond,Onclicklistener (Click event)Interface definition: public static interface View. Onclicklistener {public void OnClick (view view);}1 protected voidonCreate (Bundle savedinstancestate) {2 Super. OnCreate (savedinstancestate);3 Setcontentview (r.layout.focus);4Button bt= (button)Super.
Android custom View (4) ------ one-click animation cleanup1. Preface:
I also learned some basic custom view methods by referring to some custom view examples of others. Today, I have made a one-click animation based on some of my own understandings. In those years, I used several images and implemented them using Frame anination. However, this method is not flexible and occupies resources. below, I will use
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);
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
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
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
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