I faced a similar problem recently and solved it by creating my own progressbar and then aligning it by manipulating getTop() of the content view.
So first create your progressbar.
final LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, 20); //Use dp resources
mLoadingProgressBar = new ProgressBar(this, null, android.R.attr.progressBarStyleHorizontal);
mLoadingProgressBar.setIndeterminate(true);
mLoadingProgressBar.setLayoutParams(lp);
Add it to the window (decor view)
final ViewGroup decor = (ViewGroup) getWindow().getDecorView();
decor.addView(mLoadingProgressBar);
And in order to get it to its correct position Im using a ViewTreeObserver
that listens until the view has been laid out (aka the View.getTop() isnt 0).
final ViewTreeObserver vto = decor.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
final View content = getView(android.R.id.content);
@Override
public void onGlobalLayout() {
int top = content.getTop();
//Dont do anything until getTop has a value above 0.
if (top == 0)
return;
//I use ActionBar Overlay in some Activities,
//in those cases it's size has to be accounted for
//Otherwise the progressbar will show up at the top of it
//rather than under.
if (getSherlock().hasFeature((int) Window.FEATURE_ACTION_BAR_OVERLAY)) {
top += getSupportActionBar().getHeight();
}
//Remove the listener, we dont need it anymore.
Utils.removeOnGlobalLayoutListener(decor, this);
//View.setY() if you're using API 11+,
//I use NineOldAndroids to support older
ViewHelper.setY(mLoadingProgressBar, top);
}
});
Hope that makes sense for you. Good luck!