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我有一個擴展MapActivity的mapview類。我使用的代碼遵循Hello Map視圖教程。Android,啓動地圖視圖時出錯
public void showMap() {
Intent myIntent = new Intent(MainActivity.this, googleMapsView.class);
MainActivity.this.startActivity(myIntent);
}
我遇到的問題是,當我啓動地圖視圖的應用程序崩潰,我在日誌貓收到以下錯誤:
地圖活性利用下面的代碼按下按鈕啓動09-06 15:50:03.507: ERROR/AndroidRuntime(877): FATAL EXCEPTION: main
09-06 15:50:03.507: ERROR/AndroidRuntime(877): java.lang.NoClassDefFoundError: com.android.googleMapsView
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at com.android.MainActivity.showMap(MainActivity.java:832)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at com.android.MainActivity$3$2.onClick(MainActivity.java:262)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at android.view.View.performClick(View.java:3110)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at android.view.View$PerformClick.run(View.java:11934)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at android.os.Handler.handleCallback(Handler.java:587)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at android.os.Handler.dispatchMessage(Handler.java:92)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at android.os.Looper.loop(Looper.java:132)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at android.app.ActivityThread.main(ActivityThread.java:4123)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at java.lang.reflect.Method.invokeNative(Native Method)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at java.lang.reflect.Method.invoke(Method.java:491)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at dalvik.system.NativeStart.main(Native Method)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): Caused by: java.lang.IllegalAccessError: Class ref in pre-verified class resolved to unexpected implementation
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at dalvik.system.DexFile.defineClass(Native Method)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:207)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:211)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at java.lang.ClassLoader.loadClass(ClassLoader.java:540)
09-06 15:50:03.507: ERROR/AndroidRuntime(877): at java.lang.ClassLoader.loadClass(ClassLoader.java:500)
是的我已經選中了,仍然沒有運氣 – EI756
嘗試清理項目並重新啓動Eclipse。還要確保你沒有兩次導入jar庫。 –
好吧,它加載了地圖視圖,但我可以看到的只是灰色框,它似乎沒有加載實際地圖 – EI756