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I want to use Blob class from appengine-api-1.0-sdk-1.6.3.jar in my android Project.
Now importing to whole jar terminates the app at apk installation. And also nor reasonable appengine-api-1.0-sdk-1.6.3.jar weights 23 MB.
How can i import only the specific classes from the jar using Eclipse without importing the whole jar?
This is a brute-force approach, but you could definitely repackage the jar and remove the classes you do not need. Be sure to account for dependencies if any (include Blob and its dependencies, including their dependencies, etc.). Jars are effectively .zip files, so create an empty jar (zip), add dependencies as necessary, rezip (if unzipped), rename (if necessary). I don’t know if Android provides a filtering mechanism, but you could put the above steps in an automated build script. If you are using Maven you could probably leverage the jar plugin to do this.