for programmers, the first project to come into contact with is Hello World, and our first project here is also created from Hello Word.1. Project CreationRun the Eclipse.exe file, open the Dev tool Eclipse, select the project storage location, the interface is as followsAfter you open eclipse, select File-new--android Applicaton project to create an Android project with the following interfaceSteps are as
default is TrueSetslidebordermode (int)//Swipe to handle the first or last item, support No action, carousel, and pass to Parent view three modesSetborderanimation (Boolean)//Sets whether animation is required to scroll from edge to next when looping scrolling, by default true4. Other① indicator, round or square indicator please use with Viewpagerindicator② Infinite Loop, if you want to continue playing the first sheet instead of returning to the first one in the last sheet, please refer to Aut
Start Android Studio1. Click the menu bar build, Generate signed APK ..., open the following window2. Here is an Android signature similar to eclipse, assuming there is no APK package, no signature, then click Create New and the window is as followsJust enter a few necessary items hereKey Store Path (the save route for the production key file)Key Store password (key storage password)Key alias (key aliases)K
(Android_log_verbose, "ProjectName", __va_args__)#define LOGD (...) __android_log_print (Android_log_debug, "ProjectName", __va_args__)#define Logi (...) __android_log_print (Android_log_info, "ProjectName", __va_args__)#define LOGW (...) __android_log_print (Android_log_warn, "ProjectName", __va_args__)#define LOGE (...) __android_log_print (Android_log_error, "ProjectName", __va_args__)Of course, if not too troublesome, you can also directly use the __android_log_print function, and not defin
1. New test project, two Module,app is Android project, MyLibrary is the Android library.2. Open the Build.gradle file in the MyLibrary directory and add the following code block.task Makejar (type:copy) {Delete'Build/libs/mylibrary.jar' //Delete a jar package that already exists from('build/intermediates/bundles/release/')//load the files to be packaged from this directoryInto'build/libs/')//Save direc
Today, the study of the slag to play music with MediaPlayer to join the progress bar, the progress bar is now using the Android Seekbar, later will be followed by the UI, in the past can play music on the basis of, now join the main features are two:1 show playback progress in real time2 Manually adjust the playback progressNow a new project to test the slag, lat
Android Market Google Play Store account registration method process before publishing software on Google Play, you need to complete the following three tasks: Create developer Profile Accept developer Distribution agreement pay registration fee by credit card (us$25.00) (using Google Checkout) Https://play.google.com/apps/publish/signup http://www.apkbus.com/
Today, the study of the slag to play music with MediaPlayer to add a progress bar, the progress bar is now using the Android comes with the Seekbar, later will be followed by the UI, on the basis of the previous ability to play music, now add the main features are two:1 show playback progress in real time2 Manually adjust the playback progressNow learn to build a
audition recording Activityif (Path.substring (Path.length ()- 3, Path.length ()). Equals ("Amr")) {Intent Intent = new Intent (addactivity.this,showrecord.class); Intent.putextra (" Audiopath ", path); startactivity (intent);} Picture, then jump to view the image of the interface else{//there are two ways to view the picture, the first is to directly call the system's library to view the picture, the second is to customize the activity//call system library to view the picture/*intent Intent =
Simple use of Android animationsThis is done by constantly switching pictures to achieve animation effects.In the layout, define a ImageButton controland set its position.Layout fileVery simple, just one controlRes/anim/anim_test.xml AnimationThe inside involves the interval, the picture toggles.In addition, in the first and last one, I used a transparent picture as a fill.//To resolve the last picture does not disappear after the animation has finish
Google Play filters apps visible to usersProgramSo that users can only view and download applications compatible with their devices. One of the ways to filter applications is the compatibility of the Android version. Google Play checks the Http://developer.android.com/guide/appendix/market-filters.html)
Videoview.setoncompletionlistener (new MyplayeroncompletionlisteneR ());
Sets the video path Videoview.setvideouri (URI);
Start playing video Videoview.start (); Class Myplayeroncompletionlistener implements Mediaplayer.oncompletionlistener {@Override public void oncom
Pletion (MediaPlayer MP) {Toast.maketext (Localvideoactivity.this, "Play completed", Toast.length_short). Show (); }
}
}
Package app.com.myapplication;
/**
* C
table Layout Tablelayout is a relatively common layout control in Android, since it is a table, there must be rows and columns, rows in Tablelayout have TableRow, and columns are determined based on the number of controls per rowIf the first row has 3 controls and the 2nd row has 4 controls, the number of columns in the table will go to the maximum number of columns, or 4 columns.1. Introduction to PropertiesThe table has several important propertiesa
char* LogTag, int32_t ignoredepth, int32_t maxDepth) 5 New CallStack ("Trace"1); 6 Delete t; 7 }CA little bit more trouble, need to call directly corkscrew/backtrace . In fact, C + + utils/Callstack is also used corkscrew/backtrace , just to make the package easier to use. We can refer to the CallStack.cpp code inside. The following example is a foobar() trace that invokes a function:Note: C cannot invoke C + + code directly unless you add the corresponding C wrapper in the C + + class,
. x;int height = size. Y;Translucent. Setstartpositions(Ten, Math. Round(Height/2));Viewpager Viewpager = (viewpager) Findviewbyid (R. ID. Main_view_pager);Pageradapter pageradapter = new Mypageradapter (super. Getsupportfragmentmanager(), fragments);Viewpager. Setadapter(Pageradapter);}}The original use of multiple fragment as the font content of the fill and then the effect AH implementation ah are used in the picture.Most commonly said is "hollow out a few words, and then cover a layer of col
APK is actually the zip format, so, after extracting the APK, you will see there is a meta-inf directory. idea: because the Meta-inf directory does not affect the APK signature and run, so we can add an empty file in the Meta-inf directory, different channels to add different empty files, filenames represent different channels. In Android engineering, Java code reads this convention in Meta-inf with the file name that begins with Mtchannel_.The second
Android 4.3 has been released, but the upgrade is still in the preparation phase, but at least for Google Play's original version of HTC One, it seems really fast. Today, HTC released one Google play version of Android 4.3 source code on the developer's website, along with the corresponding framework support files. The file versions of both are 3.06.1700.10, and
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.