android.provider.Telephony is hidden.
http://androidxref.com/4.0.3_r1/xref/frameworks/base/core/java/android/provider/Telephony.java#41
/** 41 * The Telephony provider contains data related to phone operation. 42 * 43 * @hide 44 */ 45public final class Telephony {
import android.provider.Telephony cannot be resolved,布布扣,bubuko.com
import android.provider.Telephony cannot be resolved
原文：http://blog.csdn.net/llrraa2010/article/details/35807593