java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mahdishekari.mycollectbill/ghabz.mahdishekari.app.Scann}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference

Stack Overflow | Mahdi | 2 months ago
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  1. 0

    ŔźDatabase Exception : java.lang.NullPointerException

    Stack Overflow | 2 months ago | Mahdi
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mahdishekari.mycollectbill/ghabz.mahdishekari.app.Scann}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference
  2. 0

    Error.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase

    Stack Overflow | 2 months ago | Mahdi
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mahdishekari.mycollectbill/ghabz.mahdishekari.app.Scann}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference
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    How to execute SQLite database within android app

    Stack Overflow | 1 year ago | RupaRupa
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.rpholmes.digibottle/com.example.rpholmes.digibottle.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference
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    Adroid Simple SQLite Database error

    Stack Overflow | 11 months ago | Yigit
    java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.administrator.simpleandroidocr/com.example.administrator.simpleandroidocr.DBTranslationActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference
  6. 0

    unable to get data save in database in fragment containing recyclerview

    Stack Overflow | 8 months ago | Shri
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.admin.navigationdrawer_demo/com.example.admin.navigationdrawer_demo.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.database.sqlite.SQLiteDatabase android.content.Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase$CursorFactory, android.database.DatabaseErrorHandler)' on a null object reference

      at android.content.ContextWrapper.openOrCreateDatabase()
    2. Android Platform
      SQLiteOpenHelper.getWritableDatabase
      1. android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:269)
      2. android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:223)
      3. android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:163)
      3 frames
    3. ghabz.mahdishekari.app
      Scann.onCreate
      1. ghabz.mahdishekari.app.C0238u.m1320a(C0238u.java:30)
      2. ghabz.mahdishekari.app.Scann.onCreate(Scann.java:81)
      2 frames
    4. Android Platform
      ActivityThread.main
      1. android.app.Activity.performCreate(Activity.java:6279)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2393)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2500)
      5. android.app.ActivityThread.access$900(ActivityThread.java:163)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1362)
      7. android.os.Handler.dispatchMessage(Handler.java:102)
      8. android.os.Looper.loop(Looper.java:148)
      9. android.app.ActivityThread.main(ActivityThread.java:5585)
      9 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:730)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:620)
      2 frames