got error on android with eclipse: no target available

i install all the programs that need for develop on android

i start project like this:

Fil开发者_开发问答e - new - project - android - android project > next

but in build target i see: no target available

what can be the problem ?

thanks in advance

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You probably didn't set the path to the Android SDK in eclipse yet.

Go to Window -> Preferences -> Android and enter the path to your SDK into the SDK Location textfield at the top.

You have no Android platforms installed

In this case go to
Window -> SDK and AVD Manager -> Available Packages -> Android Repository and select a few targets¹, then click install. You can check for already installed platforms on the left under Installed packages if you are not sure.

The targets you are looking for are the SDK Platform Android X.X , API Y, rev Z ones. If you don't want to download much, I'd say get Android 2.3.3., API 10 and Android 3.2, API 13. 2.3.3. is the most recent phone version of Android, and 3.2 is the newest tablet version.

¹ If you got a decent internet connection I'd recommend to get everything, you will need a few target platforms sooner or later anyway.

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You need to select a build target in that dialog, e.g. Google APIs 2.2. That dialog is a little confusing, because it has a scroll pane in it, which is easy to overlook. You need to scroll down to get to some options.