First download the latest android SDK version. However, The latest SDK clearly states that "the Android SDK archive now only contains The tools. it no longer comes populated with a specific Android platform or Google add-on. instead you use the SDK Manager to install or update SDK components such as platforms, tools, add-ons, and documentation. ", so you must manually download it through SDK Setup.exe. During the download process, I encountered a small problem. record it.
Run SDK setup.exe,Switch to the "Settings" tab and set "Force https ://.... "You must check it out. Otherwise, you may not be able to download it, even if you change https: // to http.Then in the Available Packages select card to add good android Development Forum provided: https://dl-ssl.google.com/android/respository/respository.xml at this time point in front of the web site will be under the web site out a lot of API let us download. Generally, we select two to three platforms (1.5, 1.6, 2.1). Google APIs can download 6 or 7. Click "Install Selected" in the lower-right corner of the window to start downloading. During the download process, the network must be smooth. These files are large and each package has no resumable data transfer.
After the download and installation are complete, you must add (at least one) a virtual device.