[Android] Embed Paypal SDK error , suggesting that no class, but the jar and has to import

LIB Engineering
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you confirm in your Eclips , on your project, right click , then " on a va build path" and then to the right spot "Order adn Export" on choose "Properties " and then the pop-up window whether or not to check the plug on the front of the jar ?

you try
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Thank directly into the jar after the original had previously introduced directly into the plug over there have a
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introduce some of the jar and third-party system is composed of a difference. the third party does not exist in the system . Some systems Jar you just cited , not the actual link, and third-party entities must Jar link inside. Of course, this "link" is inaccurately .