java.lang.NullPointerException

Attempt to invoke interface method 'boolean android.content.SharedPreferences.getBoolean(java.lang.String, boolean)' on a null object reference at com.example.notebook.dptextiles.fragments.Userloginsession.isuserLoggedIn(Userloginsession.java:45


Solutions on the web21730

Solution icon of stackoverflow
Attempt to invoke interface method 'boolean android.content.SharedPreferences.getBoolean(java.lang.String, boolean)' on a null object reference at com.example.notebook.dptextiles.fragments.Userloginsession.isuserLoggedIn(Userloginsession.java:45

Solution icon of stackoverflow
Attempt to invoke interface method 'boolean android.content.SharedPreferences.getBoolean(java.lang.String, boolean)' on a null object reference

Solution icon of stackoverflow
Attempt to invoke interface method 'boolean android.content.SharedPreferences.getBoolean(java.lang.String, boolean)' on a null object reference

Solution icon of web
via JIRA by Dor Druker, 1 year ago
Attempt to invoke interface method 'boolean com.android.dialer.dialpad.SmartDialMap.matchesCombination(com.android.dialer.dialpad.SmartDialNameMatcher, java.lang.String, java.lang.String, java.util.ArrayList)' on a null object reference

Solution icon of github
via GitHub by hideki
, 1 year ago
Attempt to invoke interface method 'com.couchbase.lite.internal.RevisionInternal com.couchbase.lite.store.Store.getDocument(java.lang.String, java.lang.String, boolean)' on a null object reference

Solution icon of web
via JIRA by Dor Druker, 1 year ago
Attempt to invoke interface method 'boolean com.android.dialer.dialpad.SmartDialMap.matchesCombination(com.android.dialer.dialpad.SmartDialNameMatcher, java.lang.String, java.lang.String, java.util.ArrayList)' on a null object reference

Solution icon of web
Attempt to invoke interface method 'boolean android.hardware.usb.IUsbManager.hasDefaults(java.lang.String, int)' on a null object reference

Solution icon of stackoverflow
Attempt to invoke interface method 'boolean android.os.IRecoverySystem.setupBcb(java.lang.String)' on a null object reference

Solution icon of github
via GitHub by aenonGit
, 2 months ago
Attempt to invoke interface method 'boolean okhttp3.WebSocket.send(java.lang.String)' on a null object reference

Solution icon of stackexchange-android
via Android Enthusiasts by sbrm1
, 7 months ago
Attempt to invoke interface method 'boolean android.app.IActivityManager.handleApplicationWtf(android.os.IBinder, java.lang.String, boolean, android.app.ApplicationErrorReport$CrashInfo)' on a null object reference

Stack trace

  • java.lang.NullPointerException: Attempt to invoke interface method 'boolean android.content.SharedPreferences.getBoolean(java.lang.String, boolean)' on a null object reference at com.example.notebook.dptextiles.fragments.Userloginsession.isuserLoggedIn(Userloginsession.java:45 at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5441) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:738) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:628)

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