Scribe ライブラリを使用して、OAuth を使用するアプリの作成を練習しようとしています。ただし、アプリをビルドしようとすると、次のエラーが発生します。
06-18 12:11:49.336: E/dalvikvm(4800): Could not find class'org.scribe.builder.ServiceBuilder', referenced from method lite.hattrick.main.LoginActivity.onCreate
06-18 12:11:49.336: W/dalvikvm(4800): VFY: unable to resolve new-instance 783 (Lorg/scribe/builder/ServiceBuilder;) in Llite/hattrick/main/LoginActivity;
06-18 12:11:49.336: D/dalvikvm(4800): VFY: replacing opcode 0x22 at 0x0018
06-18 12:11:49.336: E/dalvikvm(4800): Could not find class 'org.scribe.model.Verifier', referenced from method lite.hattrick.main.LoginActivity.onResume
06-18 12:11:49.336: W/dalvikvm(4800): VFY: unable to resolve new-instance 790 (Lorg/scribe/model/Verifier;) in Llite/hattrick/main/LoginActivity;
06-18 12:11:49.336: D/dalvikvm(4800): VFY: replacing opcode 0x22 at 0x0029
06-18 12:11:49.336: D/dalvikvm(4800): DexOpt: unable to opt direct call 0x18d4 at 0x1a in Llite/hattrick/main/LoginActivity;.onCreate
06-18 12:11:49.336: D/dalvikvm(4800): DexOpt: unable to opt direct call 0x18e2 at 0x31 in Llite/hattrick/main/LoginActivity;.onResume
06-18 12:11:49.336: I/dalvikvm(4800): DexOpt: unable to optimize static field ref 0x0ca6 at 0xcc in Llite/hattrick/main/LoginActivity;.onResume
06-18 12:11:49.346: D/dalvikvm(4800): DexOpt: unable to opt direct call 0x18dc at 0xd0 in Llite/hattrick/main/LoginActivity;.onResume
06-18 12:11:49.456: D/AndroidRuntime(4800): Shutting down VM
06-18 12:11:49.456: W/dalvikvm(4800): threadid=1: thread exiting with uncaught exception (group=0x40a75228)
06-18 12:11:49.456: E/AndroidRuntime(4800): FATAL EXCEPTION: main
06-18 12:11:49.456: E/AndroidRuntime(4800): java.lang.NoClassDefFoundError: org.scribe.builder.ServiceBuilder
06-18 12:11:49.456: E/AndroidRuntime(4800): at lite.hattrick.main.LoginActivity.onCreate(LoginActivity.java:45)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.Activity.performCreate(Activity.java:4543)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1071)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2158)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2237)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.ActivityThread.access$600(ActivityThread.java:139)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1262)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.os.Handler.dispatchMessage(Handler.java:99)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.os.Looper.loop(Looper.java:156)
06-18 12:11:49.456: E/AndroidRuntime(4800): at android.app.ActivityThread.main(ActivityThread.java:5005)
06-18 12:11:49.456: E/AndroidRuntime(4800): at java.lang.reflect.Method.invokeNative(Native Method)
06-18 12:11:49.456: E/AndroidRuntime(4800): at java.lang.reflect.Method.invoke(Method.java:511)
06-18 12:11:49.456: E/AndroidRuntime(4800): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
06-18 12:11:49.456: E/AndroidRuntime(4800): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
06-18 12:11:49.456: E/AndroidRuntime(4800): at dalvik.system.NativeStart.main(Native Method)
私は自分が間違っていることについて本当に手がかりがありません。commons-codec と scribe-1.3.0 jar をダウンロードして、このサイトの指示に従ってライブラリを追加しました。この問題を解決するにはどうすればよいですか?