How to select an item from dynamically added spinner?

Your logcat says android.view. WindowManager$BadTokenException which means you are passing invalid Context somewhere.

Using a spinner is easy and simple. I will tell you step by step 1. Take that spinner on your layout or add it dynamically.

Like below Spinner brand=new Spinner; and fix it on any layout but if you add this statically on your layout then do this brand=(Spinner)findViewById(R.id. Brand).

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