How to change target build on Android project?

I currently have an Android project in Eclipse.

I created it with a target build of 1.5 (sdk 3).

Now I want to change it so that it has a minSdk of 3 and targetSdk of 8.

To do this I see that I must build against the newest SDK (2.2)

To do this in Eclipse I right click on my project, go to properties, click on Android and change the project build target to Android 2.2 and click apply and then ok.

However this appears to have no affect and when I try it again the target build is set back at Android 1.5.

Am I missing a step or something?

Solution 1:

Right click the project and click "Properties". Then select "Android" from the tree on the left. You can then select the target version on the right.

(Note as per the popular comment below, make sure your properties, classpath and project files are writable otherwise it won't work)

Solution 2:

1. You can change your the Build Target for your project at any time:

   Right-click the project in the Package Explorer, select Properties, select Android and then check the desired Project Target.

2. Edit the following elements in the AndroidManifest.xml file (it is in your project root directory)

   In this case, that will be:

   <uses-sdk android:minSdkVersion="3" />
   <uses-sdk android:targetSdkVersion="8" />
   

   Save it

3. Rebuild your project.

   Click the Project on the menu bar, select Clean...

4. Now, run the project again.

   Right Click Project name, move on Run as, and select Android Application

By the way, reviewing Managing Projects from Eclipse with ADT will be helpful. Especially the part called Creating an Android Project.