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Answers for "Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence)' on a null object reference"

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Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence)' on a null object reference

val toolbar = findViewById<MaterialToolbar>(R.id.main_toolbar)
        setSupportActionBar(toolbar)
Posted by: Guest on May-24-2021

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