IllegalStateException：無法執行活動的方法/ InvocationTargetException

Question

我的APP的主要活動充當佈局上有很多按鈕的功能選擇器。我添加了另一個功能後出現此錯誤，並且它不應該與主要活動的分離體系結構的其他舊功能相關。在此之前，以下兩項活動運行良好。我錯過了什麼？

Main: IPTV_Wallpaper 
RSS: RSSDisplayerMain 
Map: HealthMapMain 

這裏是logcat的： logcat的一個RSS閱讀器活動

06-23 16:15:00.332: E/AndroidRuntime(3124): FATAL EXCEPTION: main 
06-23 16:15:00.332: E/AndroidRuntime(3124): java.lang.IllegalStateException: Could not execute method of the activity 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.view.View$1.onClick(View.java:3597) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.view.View.performClick(View.java:4202) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.view.View$PerformClick.run(View.java:17341) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.os.Handler.handleCallback(Handler.java:725) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.os.Handler.dispatchMessage(Handler.java:92) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.os.Looper.loop(Looper.java:137) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.app.ActivityThread.main(ActivityThread.java:5039) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at java.lang.reflect.Method.invokeNative(Native Method) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at java.lang.reflect.Method.invoke(Method.java:511) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at dalvik.system.NativeStart.main(Native Method) 
06-23 16:15:00.332: E/AndroidRuntime(3124): Caused by: java.lang.reflect.InvocationTargetException 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at java.lang.reflect.Method.invokeNative(Native Method) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at java.lang.reflect.Method.invoke(Method.java:511) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at android.view.View$1.onClick(View.java:3592) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  ... 11 more 
06-23 16:15:00.332: E/AndroidRuntime(3124): Caused by: java.lang.NoClassDefFoundError: tw.danny.idcc_hw2.RSSDisplayerMain 
06-23 16:15:00.332: E/AndroidRuntime(3124):  at tw.danny.iptv_1.IPTV_Wallpaper.NewsReader(IPTV_Wallpaper.java:116) 
06-23 16:15:00.332: E/AndroidRuntime(3124):  ... 14 more 

logcat的一個谷歌地圖API活動

06-23 16:15:49.582: E/dalvikvm(3143): Could not find class 'com.google.android.gms.maps.model.LatLng', referenced from method tw.danny.healthmap.HealthMapMain.<clinit> 
06-23 16:15:49.582: E/dalvikvm(3143): Could not find class 'com.google.android.gms.maps.model.MarkerOptions', referenced from method tw.danny.healthmap.HealthMapMain.MarkOnMap 
06-23 16:15:49.592: E/AndroidRuntime(3143): FATAL EXCEPTION: main 
06-23 16:15:49.592: E/AndroidRuntime(3143): java.lang.ExceptionInInitializerError 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at java.lang.Class.newInstanceImpl(Native Method) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at java.lang.Class.newInstance(Class.java:1319) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.app.Instrumentation.newActivity(Instrumentation.java:1054) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.app.ActivityThread.access$600(ActivityThread.java:141) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.os.Handler.dispatchMessage(Handler.java:99) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.os.Looper.loop(Looper.java:137) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at android.app.ActivityThread.main(ActivityThread.java:5039) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at java.lang.reflect.Method.invokeNative(Native Method) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at java.lang.reflect.Method.invoke(Method.java:511) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at dalvik.system.NativeStart.main(Native Method) 
06-23 16:15:49.592: E/AndroidRuntime(3143): Caused by: java.lang.NoClassDefFoundError: com.google.android.gms.maps.model.LatLng 
06-23 16:15:49.592: E/AndroidRuntime(3143):  at tw.danny.healthmap.HealthMapMain.<clinit>(HealthMapMain.java:36) 
06-23 16:15:49.592: E/AndroidRuntime(3143):  ... 15 more 

Answer 1

你可以右鍵點擊你的項目，去Java Build Path>Order and export並檢查您正在使用的庫是否已被檢查導出。