Dzień dobry, proszę o pomoc.
Problem jest następujący, kiedy próbuję wysłać wiadomość z Timerem, aplikacja się crashuje i wyskakuje następujący błąd:
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.mms/com.android.mms.ui.DateTimePickerActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3308)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3457)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2044)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:224)
at android.app.ActivityThread.main(ActivityThread.java:7562)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference
at com.miui.internal.widget.ActionBarView.addedCustomView(ActionBarView.java:864)
at com.miui.internal.widget.ActionBarView.setCustomNavigationView(ActionBarView.java:626)
at com.miui.internal.app.ActionBarImpl.setCustomView(ActionBarImpl.java:384)
at com.miui.internal.app.ActionBarImpl.setCustomView(ActionBarImpl.java:553)
at com.android.mms.ui.DateTimePickerActivity.onCreate(DateTimePickerActivity.java:1088)
at android.app.Activity.performCreate(Activity.java:7893)
at android.app.Activity.performCreate(Activity.java:7880)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1307)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3283)
... 11 more
Chciałam bym dodać, że mowa jest o Xiaomi Mi 8 globalna wersja miui 12.