erreur en utilisant la bibliothèque de Facebook

**étudiante_info** · 19/04/2011, 16h07

Bonjour,

C'est le message d'erreur que j'ai obtenu lorsque j'ai testé l'example simple de facebook. Je n'ai pas compris l'erreur même j'ai fait débogage et je n'ai pas trouvé c'est dans quel niveau?

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04-19 13:57:57.682: ERROR/AndroidRuntime(410): Uncaught handler: thread main exiting due to uncaught exception
04-19 13:57:57.732: ERROR/AndroidRuntime(410): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dreamstep.wPS/com.dreamstep.wPS.Main_fb}: android.view.InflateException: Binary XML file line #7: Error inflating class com.facebook.android.LoginButton
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.ActivityThread.access$2200(ActivityThread.java:119)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.os.Handler.dispatchMessage(Handler.java:99)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.os.Looper.loop(Looper.java:123)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.ActivityThread.main(ActivityThread.java:4363)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at java.lang.reflect.Method.invokeNative(Native Method)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at java.lang.reflect.Method.invoke(Method.java:521)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at dalvik.system.NativeStart.main(Native Method)
04-19 13:57:57.732: ERROR/AndroidRuntime(410): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class com.facebook.android.LoginButton
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:576)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.Activity.setContentView(Activity.java:1622)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at com.dreamstep.wPS.Main_fb.onCreate(Main_fb.java:55)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
04-19 13:57:57.732: ERROR/AndroidRuntime(410): Caused by: java.lang.ClassNotFoundException: com.facebook.android.LoginButton in loader dalvik.system.PathClassLoader@43b868d0
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.createView(LayoutInflater.java:466)
04-19 13:57:57.732: ERROR/AndroidRuntime(410):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565)