Gestern funktionierte die Anwendung normal, und ich habe meine Codes nicht bearbeitet. Aber jetzt funktioniert es nicht. die logcat istAnwendung gestoppt in Android/SQLITE FEHLER/
close() was never explicitly called on database '/data/data/[myproject]/databases/MyDB'
android.database.sqlite.DatabaseObjectNotClosedException: Application did not close the cursor or database object that was opened here
at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1943)
at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1007)
at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:986)
at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1051)
at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:770)
at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:221)
at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:157)
at mn.emondo.parliament.DBAdapter.open(DBAdapter.java:46)
at mn.emondo.parliament.ProfileActivity.onCreate(ProfileActivity.java:46)
at android.app.Activity.performCreate(Activity.java:4465)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
at android.app.ActivityThread.access$600(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Sie müssen öffnen rufen in 'ProfileActivity.java überprüfen: 46' und' DBAdapter.java: 46' .Sie vergessen haben, Datenbank-Aufruf-Funktion aufrufen , die Sie in 'ProfileActivity.java:46' verwenden können, um die Datenbank zu öffnen. – Herry
Zeigen Sie Code wird uns mehr Spezifikation geben, wie Sie Datenbank öffnen und schließen. – Herry