video calling app for android

principle of technologyThe first way: Obfuscation strategyThe obfuscation strategy is a protection strategy that each application must add, and not only for protection, but also to reduce the size of the app installation package, so he is a feature that must be added before each app release, and now there are two common obfuscation strategies:1, the confusion of the codeAfter we decompile the APK, see the

I don't think there is much talk about the Android architecture because of mobile phone restrictions. But from the perspective of development, we can see neat code, beautiful layering is always a kind of comfortable enjoyment. From the perspective of art, we are pursuing a kind of beauty. This article first analyzes several popular android software packages, and finally builds our own general

data) to receive the results returned by Activity2,You must call finishactivity (int requestcode) in Activity1 to end the Activity2.(typically called by the Onactivityresult method to end Activity2).Force finish another activity so you had previously started with Startactivityforresult (Intent, int).Also, the following two methods, you can refer to the documentation and source research.Finishactivityfromchild (Activity child, int requestcode)Finishfromchild (Activity Child)2. KillProcessTo end

(Camcorderprofile. Quality_high));Mrecorder. Setoutputfile(path);Mrecorder. Setpreviewdisplay(Msurfaceholder. Getsurface());Mrecorder. Prepare();Mrecorder. Start();The result is that the video begins to record, the black stripes disappear, and the appearance becomes:After calling the Mediarecorder.stop () method to stop recording, the black stripe appears again. This time I use the lock AE method: "Code 3"p

Web: simple-you can generate a public link, like this. (These connections can also be opened in a mobile browser and then added to the iOS home screen as an "app.") You can show your work to public users at Proto.io Spaces.On mobile: You can create a free evaluation account for users and allow them to access a project. They can run your prototypes in iOS or Android apps.The difference between a prototype a

At present, intelligent TV Terminal (intelligent TV and intelligent TV box) has become more and more fire, the past main video function, today's smart TV terminal will not only continue to improve the video function, but also to join the game function, but also to catch up with the "TV game ban" time. Most of today's Android hand tours are available on the

Give Android videoview A file directory, you can directly play the video files in the tracker, now to play a video file with a phone shot and renamed Test.mp4 for example. (1) You need to write a viedoview in the layout file :(2) do not forget to Add read/write external storage permissions to the Androidmanifest.xml file:(3) in Java code , set the file directory

This article is a casual talk about how we can build a good architecture during the initial stage of project initialization in Android development.I don't think there is much talk about the android architecture because of mobile phone restrictions. But from the perspective of development, we can see that it is neat.Code, Beautiful layering is always a kind of comfortable to enjoy.From the perspective of art

a result, participants in this competition will also need to broadcast the entire app development process on livecoding.tv. All videos will also be displayed in the video section of the website.In addition, the app designed by the entrant must be able to run on an Android operating system installed with ice Cream Sand

process // ......}?> Send the following parameters generated to Android and ios: $result['appid'] = $unifiedOrderResult['appid'];$result['partnerid'] = $unifiedOrderResult['mch_id'];$result['prepayid'] = $unifiedOrderResult['prepay_id'];$result['noncestr'] = $unifiedOrderResult['nonce_str'];$result['timestamp'] = time();$result['package'] = "Sign=WXPay"; //'Sign=WXPay'$result['sign'] = $unifiedOrderResult['sign']; However,

Android APP cannot receive push messages when switched to the background. androidapp 1. After the Android process is killed, the active mechanism of message reception in the background is protected. There is no good mechanism for the moment to stay active under any circumstances Android native systems can use the home

value of void and only the view one parameterCreate a intent in the class function to open the new activity Public void sendMessage (view view) { new Intent (This, displaymessageactivity. Class); = (EditText) Findviewbyid (r.id.edit_message); = Edittext.gettext (). toString (); Intent.putextra (Extra_message, MESSAGE);StartActivity (intent);}Intent can carry a variable extras of type dictionary, and by calling Putextra can assign a value to th

and tools and channels, iOS mainly have app store,itunes and testflight download;7, upgrade test: can be upgraded the necessary condition: the old and new version has the same signature; the old and new versions have the same package name; there is an identifier to distinguish between the old and the new version (such as the version number), for Android if the built-in

objectsObject creation is never free. Creating an object is never free. The generational GC (with per-thread allocation pools) can make the allocation of temporary objects cheaper, but it is always more expensive to perform allocated memory than to perform allocation operations. As you assign more objects to the app, you may need to force the GC, and the GC operation will be a bit of a lag for the user experience. Although the concurrent GC has been

This article mainly introduces the last encounter of some machines do not see the video problem, the article from the blog Park Rtc.blacker, reproduced please indicate the source.Before doing the video chat app has been running well, a few days ago customer feedback said in Samsung 9100. You can't see your own image on the Android4.0.3.After a search to find the

Android 5.0, Code Lollipop, the source finally released on December 3, 2014, a large number of domestic manufacturers follow-up. The biggest change is the default use of ART (Android Runtime), replacing the previous Dalvik virtual machine, presenting the Material Design interface style. Previously released app may need to make some changes, temporarily collected

Android Developer App WidgetThis blog is mainly about the development of desktop programs in Android development--app widgets, mainly used by Pendingintent and remoteviews. pendingintent is primarily used to set up the appropriate way for desktop programs. This object can have three intent ways, the first one is to st

Android audio and video goes deep into FFmpeg to implement Rtmp-based streaming (with source code download) and ffmpegrtmp Source Code addressHttps://github.com/979451341/Rtmp1. Configure the RTMP Server I don't want to post two blogs on mac and windows respectively. Set up an RTMP server on MACHttps://www.jianshu.com/p/6fcec3b9d644This is on windows, and the RTMP server is set up (crtmpserver and nginx) H

in fact, an APK file is a. zip format of the compressed package, we can use the decompression tool to open any APK file, due to code obfuscation and encryption, the normal decompression tool to open the inside of the file or directory will see a variety of garbled characters. A typical APK file contains the following content:? Androidmanifest.xmlThe Android app's configuration manifest file, which introduces many of the configuration information for t

control's image is not acquired. The principle is to read a position image of a local file instead of a.2.3 No root, Surfaceview, still want?This method I did not succeed, do not know whether really can achieve, here to give relevant information, hope that the need for friends can get help, if can be achieved, also please leave a message to teach, not very grateful.The using Native Window API in the using Graphic API of the 12th of the Pro Android C