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via Stack Overflow by DerEntwickler
, 1 year ago
Unable to start activity ComponentInfo{vocabulary3000.tobiastiebes.de.vocabulary3000/vocabulary3000.tobiastiebes.de.vocabulary3000.MainMenu}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by Vishal Singh
, 7 months ago
Unable to start activity ComponentInfo{com.example.android.project1/com.example.android.project1.DataPage}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by Aloweiwi
, 1 year ago
Unable to start activity ComponentInfo{de.nocnoc.clean.cleanlight/de.nocnoc.clean.flashlight.MaincourseActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by Swarnveer
, 1 year ago
Unable to start activity ComponentInfo{com.bt4u.customtoast/com.bt4u.customtoast.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by ODDdaaaaai
, 1 year ago
Unable to start activity ComponentInfo{com.example.odai.playwithme/com.example.odai.playwithme.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
via Stack Overflow by Nathan Barnes
, 1 year ago
Unable to start activity ComponentInfo{com.reraise.coursefeedbackapp/com.reraise.coursefeedbackapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageButton.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference	at vocabulary3000.tobiastiebes.de.vocabulary3000.MainMenu.onCreate(MainMenu.java:79)	at android.app.Activity.performCreate(Activity.java:6285)	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2524)	at android.app.ActivityThread.access$900(ActivityThread.java:154)	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1391)	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:234)	at android.app.ActivityThread.main(ActivityThread.java:5526)