외부라이브러리 사용

libs 폴더 생성 

  libs 폴더 안에 사용할 라이브러리 파일 jar 넣고,

  이클립스 프로젝트 환경설정 자바빌더패치 라이브러리 jar 파일 추가.

에러 메시지 : 클래스를 찾지 못했을때 

03-27 10:43:44.504: W/dalvikvm(378): threadid=1: thread exiting with uncaught exception (group=0x40015560)

03-27 10:43:44.674: E/AndroidRuntime(378): FATAL EXCEPTION: main

03-27 10:43:44.674: E/AndroidRuntime(378): java.lang.NoClassDefFoundError: net.htmlparser.jericho.Source

03-27 10:43:44.674: E/AndroidRuntime(378): at sujong.test.WebActivity.getHtmltoText(WebActivity.java:35)

03-27 10:43:44.674: E/AndroidRuntime(378): at sujong.test.WebActivity.onCreate(WebActivity.java:23)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1586)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1638)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.app.ActivityThread.access$1500(ActivityThread.java:117)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:928)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.os.Handler.dispatchMessage(Handler.java:99)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.os.Looper.loop(Looper.java:123)

03-27 10:43:44.674: E/AndroidRuntime(378): at android.app.ActivityThread.main(ActivityThread.java:3647)

03-27 10:43:44.674: E/AndroidRuntime(378): at java.lang.reflect.Method.invokeNative(Native Method)

03-27 10:43:44.674: E/AndroidRuntime(378): at java.lang.reflect.Method.invoke(Method.java:507)

03-27 10:43:44.674: E/AndroidRuntime(378): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)

03-27 10:43:44.674: E/AndroidRuntime(378): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)

03-27 10:43:44.674: E/AndroidRuntime(378): at dalvik.system.NativeStart.main(Native Method)

03-27 10:43:56.144: I/Process(378): Sending signal. PID: 378 SIG: 9