有几种风格 总是忘记现在记录下来：
The four attributes that you mention can be applied to a ProgressBar's style like so:
style="?android:attr/progressBarStyleHorizontal"
The style constant android:progressBarStyleHorizontal is your typical incremental progress bar:
While the other three are varying sizes of the same circular progress bar:
style="?android:attr/progressBarStyleSmall"
style="?android:attr/progressBarStyle"
style="?android:attr/progressBarStyleLarge"