how to use google play store on android

Suddenly, I found my application was marked as not supporting google Nexus 7 by Google play... Angry! The Cause Analysis shows the following possibilities: 1. camera problems, Nexus7 only has a front camera, so if the application has applied for permission

1, in the input of multiple words, Google is the default and type of query, if you want to use or type of query, using or, for example: Java or C + + 2, Google is case-insensitive, search Java and search Java or Java is exactly the same. 3. Logical relationship precedence use parentheses, such as looking for Java and (

length in bytes of the data to be played Throws Illegalstateexception If it is called in an invalid state Ioexception Illegalargumentexception However, it is helpless to play encrypted audio files in real time. Although some encrypted audio files can be solved by combining audiotrack with libmad. 3. Simple demo program

The kernel is a very small part of the entire operating system. According to Google's R D strength, it is not that difficult to develop a kernel? Is it really difficult to develop the kernel, or is Google making Android use the Linux kernel based on some considerations? The kernel is a very small part of the entire operating system. According to Google's R D st

It was still summer when I started to develop the lyrics show. I didn't think that Dalian had ushered in the first large-scale cooling this year when I wrote this article. It's a bit winter.As we have already introduced in the previous article, the Service with the lyrics playing function should be followed by an application that uses the lyrics playing service. But here we will first introduce another class: LyricPlayerServiceProxy. Let's take a look at the position of this class in the entire

picture pixel configuration is inconsistent, the system will automatically adjust the display effect, about picture pixel problem see Android development of the bitmap two sampling articles; filter indicates whether the filter effect is turned on. This property is also for the image to be magnified or reduced when there is a better display effect; The Gravity property indicates that when the size of the picture is smaller than the size of the control

Using the dlna function, you can connect wireless networks including personal PCs, consumer appliances, and mobile devices to wired networks.Formats supported by dlna:Image: jpeg png, GIF, TiffAudio: lpcm AAC, AC-3, ATRAC 3 plus, MP3, wma9AV: MPEG2 MPEG-1, MPEG-4, AVC, wmv9By using the mobile phone dlna function, you can wirelessly play a video from a mobile phone to a computer player, or directly play the

obtain the apikey. The result is as follows:Thank you for registering the android map API key!Your key is:Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx4. Use the obtained apikey:Add mapview to layout Or 5. android provides a map extension library COM. google. android. maps, yo

(Global.bt_play_play = = False) {Play.setbackgroundresource (r.drawable.xml_player_play); Global.bt_play_play = true;}The Global.bt_play_play is a boolean static variable, which, by default, is true, which is used to determine whether a pattern is currently a divine horse or not.It looks like there's a problem with the wood, but it works:Just run up:After clicking:Click once more:Why is it that there is an oval circle in it? And the picture changes, the previous picture did not disappear, coinc

";*/ private static final String CMDPAUSE = "pause"; private static final String CMDPLAY = "play"; private static final String CMDPREVIOUS = "previous"; private static final String CMDNEXT = "next";public void click(View v){Intent intent = new Intent(SERVICECMD);switch(v.getId()){case R.id.pre:{intent.putExtra(CMDNAME, CMDPREVIOUS);}break;case R.id.play:{if(playing){intent.putExtra(CMDNAME,CMDPAUSE); ((ImageView)findViewById(R.id.pl

1. Service Introduction Official explanation:ServiceIsAn application component that can perform long-running operations in the background and does not provide a user interface. another application component can start a service and it will continue to run in the background even if the user switches to anotherApplication That is to say, a service is a component that can run in the background without providing a user interface. Other applications can start a service, and even switch to another appl

(assets) of the application) 1) Use the context. getassets () method to obtain the assetmanager object 2) Open the specified native resource folder using the openfd (string name) method of the assetmanager object and return an assetfiledescriptor object. 3) Get a filedescriptor object through getfiledescriptor () of assetfiledescriptor. 4) create a mediaplayer object through public void setdatasource (filedescriptor FD, long offset, long length) 5) C

Google won: The U.S. Federal Court in San Francisco, 27th, the jury ruled that Google's Android open source system violated Oracle Java Copyright is not established, rejected Oracle claims $9 billion lawsuit. At this point, two of the 6-year Java patent tug-of-the-battle is finally over.Imitation or infringementJava, as a programming language, can coordinate the compatibility problem between hardware and so

Activeandroid is an open-source database framework that makes it easier for us to use databases in Android, and today we'll look at the use of this database framework.1. Introduction of ActiveandroidFirst create our own project, in our project introduced Activeandroid, introduced activeandroid need us to modify two places, a global gradle file, there is a local g

Reference: http://mindtherobot.com/blog/624/android-audio-play-an-mp3-file-on-an-audiotrack/ Http://baike.baidu.com/view/14471.htm We recommend that you download a ringtone file (smaller) and then convert it to WAV. The source code is as follows: Public class playmp3activity extends activity {Private final string file = "// sdcard // testring.wav ";Private Final Static string tag = "22 ";Static byte [] buff

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

A lot of kids shoes in the tangle In the Cocos2d-x Android project how to debug the JNI part of the C ++ code, after eating 2 Tea egg I decided to enlarge the move...Http://www.cocos2d-x.org/forums/6/topics/462251. android NDK-STACK toolNDK-Stack is a very easy-to-use tool that displays information to adb logcat to help you analyze Stack tracing, and then

, two apikeys are generally required: Debug key and release key. The so-called debug key is used during program development. Because the android program requires a digital signature for use, it is too troublesome to run the program every time during development. Therefore, the system automatically uses debug during the development process. keystore signs the program, debug. keystrore is located in c: \ Docu

Looking for material to re-do Flappybird today, I learned how to set the background audio for an app, and found that by encapsulating the Soundpool class, you can do it well.The Soundpool class is better suited to play some of the more ephemeral and smaller audio streams like game sounds, and it supports simultaneous playback of multiple audio streams, while larger audio is more suitable for MediaPlayer.Give a general explanation of the basic usage of

This tutorial uses my own phone, Samsung A9, and the other Android phone methods are the same.First step you have to turn on the developer options for your phone, make sure that USB debugging and the app stays open via USBStep two, make sure your PC and Android phone are already installed in Google ChromeThe third step, open your computer on the