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Color property in Android

Riya Sehgal

Hi All,

I suppose we can set the color property by two types in android application that is:

android:background="@color/yellow"
android:background="#808080ff"

My problem is that, when I am trying to set background color by "@color/yellow", it shows System.NullReferenceException: Object reference not set to an instance of an object. And if I am using "#808080ff" it works fine.
Any-body tell me what is the problem with android:background="@color/yellow" type.....?

1 Reply

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Vulpes15y ago
Try using 'drawable' rather than 'color':

android:background="@drawable/yellow"