TOPIC:

@Override
	protected void onDestroy() {
		if (mIsCompleteInit) {
			if (mThumbView != null) {
				mThumbView.thumbClose();
				mThumbView = null;
			}
			if (mReaderView != null) {
				mReaderView.PDFClose();
			}
			if (mDoc != null) {
				if (mDoc.IsOpened()) {
					mDoc.Close();
				}
			}
		}

		Global.RemoveTmp();

		super.onDestroy();
	}