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This app is a small project I work with a classmate, idea originated from us to go to a place to play, happened to be a childhood TV saw a scene, so do a want to integrate some of the film filming resources of the app. But because of their own technology and experience limited, resource integration is relatively small, but the software framework to make it! Share to everybody to exchange the study together!
1. Demo description and demonstration
This demo demonstrates how to use startactivityforresult to get a returned result from the started activity. The main lessons learned are as follows:
Startactivityforresult
Functions of Request Code and result code
The demo is as follows:
2. Video descriptionHttp://www.eyeandroid.com/thread-10471-1-1.html
3. Demo Analysis
Startactivity can start a new activity. The new activity is relatively independent fro
,com.example.android.apis.ApiDemos.class); intent.putExtra("com.example.android.apis.Path", "Views/Lists"); intents[2] = intent; return intents; }
Through the annotations in the function, we can know that the function is used to start an intents array to reconstruct a "return stack". In this example, intent [] has three elements.
Intent [0] is passed
makeRestartActivityTask(new ComponentName(this, com.example.android.apis.ApiDemos.class));
This
)29th: Function Realization of the writing window of revenue and expenditure records (5)30th: Function Realization of the writing window of revenue and expenditure Records (6)31st: Function Realization of the writing window of revenue and expenditure Records (7)Section 32nd: UI design and implementation of the Account Management windowSection 33rd: Account Management window Data refresh implementation (1)Section 34th: Account Management window Data refresh implementation (2)Section 35th: Account
[Android development experience] What Should cached files of an APP exist? After reading this article, you should be clear about it. androidapp
Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992
As long as it is an APP that requires online data retrieval, cache
get video files and thumbnails, and you may also need to Bitmap save them as files: /** * Bitmap saved as file * * @param bitmap input bitmap * @param name output file ' s Nam E * @return String output file ' s path * / Public StaticStringBitmap2file(Bitmap Bitmap, String name) {File F =NewFile (environment.getexternalstoragedirectory () + name +". jpg");
Requirement: Android Classic Bluetooth send file, send side support pause operation (Pervert!!!!!) ), also want to continue the breakpoint (more abnormal!!!) )Approximate implementation:Client sends a fixed length package, the first packet header (fixed length) contains this file identifier (name, total file flow length, etc.), and to handle the socket bufferOver
One, the supported features have text information interaction, voice chat, send files and recordingThe source code will be attached later.Second, the UI display diagramThree, after my test, is very successful. Just a little bit is the voice of real-time calls when the voice will echo or even panic. File transfer and text, recording are more successful.The software is the application of Java code, on the
Recently learned about some network requests in the Android environment, some of which are about network downloads. Here to analyze your own written demo, summarize what you have learned. For demo, follow some app download mall list add-ons in the ListView, then you can download and stop.1. OverviewHere are a few of the more important classes Downloadmanager, Downloadservice, Downloadtask, Threaddaoimpl. Th
extractthumbnail the original image (that is, the image captured above) to the specified size; //Last parameters of the definition I'm not quite sure, because it's closed source;Bitmap = Thumbnailutils.extractthumbnail (bitmap, width, height, thumbnailutils.options_recycle_input);//Put back bitmap object; returnBitmap }}Activity_main.xml:linearlayout xmlns:android="Http://schemas.android.com/apk/res/android" Android:layout_width="Fill_
this morning to the office, as usual open the blog park to see the article, see there is a piece of article is used http://www.cnblogs.com/wdfrog/p/3738180.htmlSee this buddy to achieve the method is very complex, is the configuration of the computer, but also the configuration of mobile phone, or transcoding what, Daoteng time not to say, but also very troublesome, here is how I use the mobile phone directly to play the files on the computer.The reas
1. Let's first look at the video or video source:
SD card, mobile phone storage (such as multimedia files carried by applications in RES/raw), network.
2. for Android, there is no difference in playing various video files. The o
Add "Android: Resource // your app package name" + the ID name of the video file in the r file when setting the URI in videoview.
Videoview = (videoview) This. findviewbyid (R. Id. videoview01 );Mediacontroller controller = new mediacontroller (this );This. videoview. setmediacontroller (Controller );// The following Andro
Copy and retrieve thumbnails of multimedia files in the raw folder in Android
1. multimedia files in the raw folder
Get the input stream of the test file in this folder
InputStream is = getResources (). openRawResource (R. raw. test );
Obtain the file name.
String fileName = getResources (). getResourceName (R. raw. test); (package name + file name)
2. For the f
============ Problem Description ============After Android installs the app, can you get the files in the Meta-inf directory of the package?After installing the app on the phone and then opening the app, does the SDK in the app ha
These two days encounter a little problem, make a record:Symptom: Run, debug when reported: Unable to execute dex:multiple Dex files define error, after the release of the app installed to the phone after the run, prompted: "Program name has been stopped";Workaround:1, Project->properties->java build Path->order and Export, remove: Android 4.3.1 and
Today, when I wrote the program, my Android Studio suddenly compiled the error (the error is as follows:) and then after my several times to find out that every time you have to clear project and then build on it, if you build the second time to error. Then I found the strongest teacher (Google) to try to solve! Unfortunately, what I see on Google is the solution on eclipse. Didn't find the answer I wanted, do I have to clear project every time I buil
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