發布Android應用

Android應用程序的發布是一個過程，讓Android的應用程序提供給用戶。發布的Android應用程序開發過程的最後階段。

一旦開發和全面測試Android應用程序，就可以開始銷售或分發免費使用谷歌播放（著名的Android市場）。也可以發布應用程序，通過它們直接發送給用戶，讓用戶下載他們從自己的網站。

在Android官方網站上，可以檢查詳細的出版過程中，但本教程將通過簡單的步驟來啟動應用程序，谷歌播放。下面是一個簡化的檢查清單，這將幫助在推出Android應用程序：

步驟 Activity 1 Regression Testing Before you publish your application, you need to make sure that its meeting the basic quality expectations for all Android apps, on all of the devices that you are targeting. So perform all the required testing on different devices including phone and tablets. 2 Application Rating When you will publish your application at Google Play, you will have to specify a content rating for your app, which informs Google Play users of its maturity level. Currently available ratings are (a) Everyone (b) Low maturity (c) Medium maturity (d) High maturity. 3 Targeted Regions Google Play lets you control what countries and territories where your application will be sold. Accordingly you must take care of setting up time zone, localization or any other specific requirement as per the targeted region. 4 Application Size Currently, the maximum size for an APK published on Google Play is 50 MB. If your app exceeds that size, or if you want to offer a secondary download, you can use APK Expansion Files, which Google Play will host for free on its server infrastructure and automatically handle the download to devices. 5 SDK and Screen Compatibility It is important to make sure that your app is designed to run properly on the Android platform versions and device screen sizes that you want to target. 6 Application Pricing Deciding whether you app will be free or paid is important because, on Google Play, free apps must remain free. If you want to sell your application then you will have to specify its price in different currencies. 7 Promotional Content It is a good marketing practice to supply a variety of high-quality graphic assets to showcase your app or brand. After you publish, these appear on your product details page, in store listings and search results, and elsewhere. 8 Build and Upload release-ready APK The release-ready APK is what you you will upload to the Developer Console and distribute to users. You can check complete detail on how to create a release-ready version of your app: Preparing for Release. 9 Finalize Application Detail Google Play gives you a variety of ways to promote your app and engage with users on your product details page, from colorful graphics, screenshots, and videos to localized descriptions, release details, and links to your other apps. So you can decorate your application page and provide as much as clear crisp detail you can provide.

導出Android應用

作為一個APK（Android包）文件，需要將應用程序導出之前上傳谷歌播放市場。

要導出應用程序，只要打開該應用程序的Eclipse項目中，從Eclipse中選擇File->Export 並按照簡單的步驟來導出應用程序：

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接下來選擇 Export Android Application“選項，在上面的屏幕截圖所示，然後單擊”Next “，再 Next ，這樣得到的畫面，在那裡選擇”Create new keystore" 來存儲應用程序。

輸入密碼來保護應用程序，並單擊“Next ”按鈕，再次。它會顯示以下畫面，讓應用程序創建一個密鑰：

一旦填寫的所有信息，單擊“Next ”按鈕，最後它會問申請將導出的位置：

最後，單擊“Finish ”按鈕，生成Android應用程序包文件將被上傳在谷歌播放市場。

谷歌播放注冊

最重要的一步是注冊谷歌播放使用谷歌播放市場。可以使用您現有的Google ID，如果沒有可以創建一個新的Google ID，然後注冊與市場。將有以下屏幕接受的條款和條件。

可以使用Continue to payment“按鈕，繼續進行付款登記費$25，並最終完成帳戶細節。

一旦你是一個注冊用戶在Google Play，您可以上傳您的應用程序release-ready APK，最後將完成應用程序的詳細使用上述清單的第9步中提到的應用程序的詳細頁面。