我已經通過Google的MapView教程,它可以在模擬器上正常工作,例如在我的HTC Flyer上。但由於某種原因,它在我的手機(Samsung Galaxy I9000)上啓動時會立即崩潰。某些設備上的MapView/MapActivity崩潰
崩潰發生在那裏,因爲在開始的時候,onCreate()收到的Bundle是null。我正在編譯Android 2.3.3。這也安裝在手機上。傳單使用Android 3.0
我非常感謝在這個奇怪的問題上的任何幫助。
這是excact logcat的輸出:
04-18 10:52:26.019: E/AndroidRuntime(1461): FATAL EXCEPTION: main
04-18 10:52:26.019: E/AndroidRuntime(1461): java.lang.RuntimeException: Unable to start activity ComponentInfo{bernd.konnerth/bernd.konnerth.HelloMapViewActivity}: java.lang.NullPointerException
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.os.Handler.dispatchMessage(Handler.java:99)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.os.Looper.loop(Looper.java:123)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ActivityThread.main(ActivityThread.java:3687)
04-18 10:52:26.019: E/AndroidRuntime(1461): at java.lang.reflect.Method.invokeNative(Native Method)
04-18 10:52:26.019: E/AndroidRuntime(1461): at java.lang.reflect.Method.invoke(Method.java:507)
04-18 10:52:26.019: E/AndroidRuntime(1461): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
04-18 10:52:26.019: E/AndroidRuntime(1461): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
04-18 10:52:26.019: E/AndroidRuntime(1461): at dalvik.system.NativeStart.main(Native Method)
04-18 10:52:26.019: E/AndroidRuntime(1461): Caused by: java.lang.NullPointerException
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ContextImpl.openFileOutput(ContextImpl.java:495)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.content.ContextWrapper.openFileOutput(ContextWrapper.java:158)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.common.io.android.AndroidPersistentStore.writeBlockX(AndroidPersistentStore.java:140)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.common.io.android.AndroidPersistentStore.writeBlock(AndroidPersistentStore.java:169)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.common.io.PreferenceStore.ensurePreferencesLoaded(PreferenceStore.java:178)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.common.io.PreferenceStore.readPreference(PreferenceStore.java:86)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.common.io.BasePersistentStore.readPreference(BasePersistentStore.java:41)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.common.StaticUtil.readPreferenceAsDataInput(StaticUtil.java:271)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.googlenav.datarequest.DataRequestDispatcher.loadOrRequestCookie(DataRequestDispatcher.java:493)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.googlenav.datarequest.DataRequestDispatcher.<init>(DataRequestDispatcher.java:390)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android_maps_conflict_avoidance.com.google.googlenav.datarequest.DataRequestDispatcher.createInstance(DataRequestDispatcher.java:341)
04-18 10:52:26.019: E/AndroidRuntime(1461): at com.google.android.maps.MapActivity.createMap(MapActivity.java:548)
04-18 10:52:26.019: E/AndroidRuntime(1461): at com.google.android.maps.MapActivity.onCreate(MapActivity.java:422)
04-18 10:52:26.019: E/AndroidRuntime(1461): at bernd.konnerth.HelloMapViewActivity.onCreate(HelloMapViewActivity.java:15)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
04-18 10:52:26.019: E/AndroidRuntime(1461): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
04-18 10:52:26.019: E/AndroidRuntime(1461): ... 11 more
感謝, 貝恩德
什麼Logccat輸出正是 – 2012-04-18 08:42:02
我已經添加它上面現在 – Bernd 2012-04-18 09:03:55
看到[示例](HTTP:!?/ /android-example-code.blogspot.in/p/map-api-in-android.html)將幫助你... – MAC 2012-04-18 08:40:57