Fix a crash in pring spooler.

If the printer capabilities are reported with a delay which is pretty
common we were trying to evaluate the preview page dimensions without
having a media size resulting in a NPE.

bug:17501953

Change-Id: I6765137f61b8fd060e9eabff07e632875d934963

parent 2047df6f

packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -384,6 +384,10 @@ public final class PageAdapter extends Adapter implements
		}

		private void updatePreviewAreaPageSizeAndEmptyState() {
		if (mMediaSize == null) {
		return;
		}

		final int availableWidth = mPreviewArea.getWidth();
		final int availableHeight = mPreviewArea.getHeight();