Reading device models appeared abnormal, we have encountered?

String device_model = Build.MODEL; / / Model
Or Build bd = new Build ();
bd.MODEL;
Have appeared abnormal, there is no good way around this?

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Reply:
What is it abnormal?
Reply:
Not catch. But it seems to be solved. I put the code into the end create function can, in the beginning not.
Reply:
Sorry, I was wrong test code, display the textView in, textView not findViewById