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via Stack Overflow by user3851508
, 2 years ago
Unable to start activity ComponentInfo{com.example.prakash.aclientz/com.example.prakash.aclientz.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setOnClickListener(android.view.View$OnClic
via Stack Overflow by Musa
, 2 years ago
Unable to start activity ComponentInfo{com.learn.wifitwo/com.learn.wifitwo.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.learn.wifitwo.WiFi.IsEnabled()' on a null object reference
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