Custom progress dialog

How would I do a custom "loading" dialog during an AsyncTask like the one in the Bank of America app, for instance? See:

I basically don't want the popup ProgressDialog but instead one that is embedde开发者_JAVA百科d into the layout.

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It's not a ProgressDialog. It's just a ProgressBar. Put it on your layout and make it visible when it's necessary.

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That's a ProgressBar view that can be added to any layout:

<ProgressBar
  android:indeterminate="true"
  android:layout_height="wrap_content"
  android:layout_width="wrap_content"
/>