How to publish an android application?

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The maximum size of the APK uploaded in Google Play Store is 50 MB, for example, your application.ProgramMore than 50 MB, can use:APK expansion files.

To release the android program to the Android Market, you must pay a registration fee of $25. The following steps describe how to register the Android Market Account and sign the application, and publish the application to the market.

1. Register android
Https://play.google.com/apps/publish/Website, register or enter an existing Google account to log in.

2. Before the release, you must pay for Google, continue to pay by credit card, enter the credit card number and billing address, confirm the amount is correct, and press "place order now" to complete the payment, return to the developer webpage.

3. You must sign the APK program and upload the program directly. The system will prompt that the upload fails and find the unsigned APK program. The system will prompt that the application must be signed before it is released to the market.

4. There are two main methods to create a keystore: command line or ADT attachment method 1. Command Line Method: Use keytool to generate a private key. Keytool is in the JDK/bin directory (for example, D: \ Program Files \ Java \ jdk1.6.0 _ 30 \ bin ).
Keytool parameter-genkey Description: generate the public key and Private Key

-V-keystore <keystore-Name>. keystore-alias <Alias Name>-keyalg <ALG>-dname <Name>-validity <valdays>

The keystore file name generated by the output details is the alias of this key. Only the first 8 characters are retained for encryption.Algorithm. Supports DSA and RSA to describe the sender information of this key. If not, jarsigner will prompt you to enter the information key validity period, by the number of days.

Example: D: \ Program Files \ Java \ jdk1.6.0 _ 30 \ bin> keytool-genkey-v-keystore myview. keystore-alias myview. keystore-keyalg RSA-validity 20000

Signature: In eclipse, right-click the project to be signed --> Android tools --> export signed application package. In the displayed dialog box, select the project to be signed and click Next, select the myview generated above. keystore file location and password. Next, select the location and name of the file generated by the signature, and click Finish.

2. use the ADT keystore line Signature: If your program is developed using eclipse with the ADT (Android Developer Tools) plugin, this process will become simple: right-click your application project name in the package explorer view, and select "android Tools" in the right-click menu. Then, select "Export signed application package (find the signature application package) ". This will start a signature retrieval window, which will take you step by step. Basically, it is a simple form filling operation. You need to provide the correct information for the signature,
This information will be available later. After this process is completed, you finally get a keystore file for your application and a signed. APK Installation File. We recommend that you store all your keystore files in one place (the keystore file has the same name as the application to which it belongs), because it is used for signature when you release an upgraded application in the future.

5. to upload an Android app, you also need to obtain the app's interface images. These images will be used to display your app in the Android marketplace. The Android marketplace only allows you to upload two images. Therefore, you must select two images to display the essential features of your applications, in addition, you can still see the images after the size is reduced by half. Your images will be reduced in the app description in the Android Market. You can click it to view the full-size images. You can use the snapshot tool on the Android device simulator that comes with eclispe Android. The Android Market only accepts screenshots of 320x480 or 480X854.
, make sure that the image size matches the ratio of the two types of images. Provide a title for your application and a brief description. The title of your application can contain a maximum of 30 English characters, only 8 to 9 Characters of your question are displayed below the app startup image. The description of an application can contain a maximum of 325 characters. Make sure that you use a descriptive word that is your favorite word used when you use your mobile phone to search in the Android Market. You also need to leave contact information for your application, one of which is URL. This URL is best directed to the web page of your application. You can provide more detailed descriptions about your application and
other richer screens, this information is useful for those who find your app in the Android marketplace and want to learn more. Finally, you can access a page that can upload your .apk file on the "Upload applicationworkflow" link on the developer website, including uploading screenshots and adding other necessary information. When all the information meets the requirements, your application can be publicly downloaded. Click the "publish" button on this page, your application will be successfully launched in the trading market. The name of the app in the market will find the program you just uploaded.