使用sqlite更新Android中的記錄時出錯

Question

在數據庫sqlite中實現記錄更新會給我留下這個錯誤。 我將不勝感激。 我已經檢查了關閉的連接並打開了，但沒有更改錯誤。 該SDK是motodevstudio 3和“ Android 2.2”。

11-30 09:40:34.052: ERROR/AndroidRuntime(2646): FATAL EXCEPTION: main
11-30 09:40:34.052: ERROR/AndroidRuntime(2646): java.lang.RuntimeException: Unable to resume activity {com.ftair/com.ftair.Infraccion}: java.lang.IllegalStateException: database /data/data/com.ftair/databases/daastm already closed
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3128)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3143)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2059)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.os.Handler.dispatchMessage(Handler.java:99)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.os.Looper.loop(Looper.java:123)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityThread.main(ActivityThread.java:4627)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at java.lang.reflect.Method.invokeNative(Native Method)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at java.lang.reflect.Method.invoke(Method.java:521)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at dalvik.system.NativeStart.main(Native Method)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646): Caused by: java.lang.IllegalStateException: database /data/data/com.ftair/databases/daastm.jpg already closed
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.database.sqlite.SQLiteProgram.bindString(SQLiteProgram.java:237)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.database.sqlite.SQLiteQuery.requery(SQLiteQuery.java:145)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.database.sqlite.SQLiteCursor.requery(SQLiteCursor.java:531)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.Activity.performRestart(Activity.java:3795)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityThread.performRestartActivity(ActivityThread.java:3477)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:160)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.LocalActivityManager.dispatchResume(LocalActivityManager.java:518)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityGroup.onResume(ActivityGroup.java:58)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1149)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.Activity.performResume(Activity.java:3823)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3118)
11-30 09:40:34.052: ERROR/AndroidRuntime(2646):     ... 10 more

Answer 1

在嘗試創建/讀取/更新/刪除數據庫之前，請直接打開數據庫，並在完成操作后將其關閉。 這應該停止該錯誤。 即使此活動使數據庫處於打開狀態，也可能從onStart到onStop聲明該活動堆棧上的另一個活動正在關閉數據庫。