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Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
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Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
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Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
via Stack Overflow by sembozdemir
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Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference	at com.facebook.login.LoginClient.getLogger(LoginClient.java:369)	at com.facebook.login.LoginClient.logAuthorizationMethodComplete(LoginClient.java:419)	at com.facebook.login.LoginClient.tryNextHandler(LoginClient.java:202)	at com.facebook.login.GetTokenLoginMethodHandler.getTokenCompleted(GetTokenLoginMethodHandler.java:119)	at com.facebook.login.GetTokenLoginMethodHandler$1.completed(GetTokenLoginMethodHandler.java:74)	at com.facebook.internal.PlatformServiceClient.callback(PlatformServiceClient.java:157)	at com.facebook.internal.PlatformServiceClient.handleMessage(PlatformServiceClient.java:141)	at com.facebook.internal.PlatformServiceClient$1.handleMessage(PlatformServiceClient.java:62)	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:234)	at android.app.ActivityThread.main(ActivityThread.java:5526)	at java.lang.reflect.Method.invoke(Native Method)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)