licencie Buďte nadšení tím android boolean to string koryto formulovať maskovanie
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Attempt to invoke virtual method boolean java.lang.String.equals(java.lang.Object) on a null object reference in android studio firebase mainactivity - Stack Overflow
Attempt to invoke virtual method boolean java.lang.String.equals(java.lang.Object) on a null object reference in android studio firebase mainactivity - Stack Overflow