Android版本检测\自动更新(5)

            Log.i(TAG, "getDataSource() It's a wrong URL!");  
        } else {  
            URL myURL = new URL(strPath);  
            URLConnection conn = myURL.openConnection();  
            conn.connect();  
            InputStream is = conn.getInputStream();  
            if (is == null) {  
                throw new RuntimeException("stream is null");  
            }  
            File myTempFile = File.createTempFile(fileNa, "." + fileEx);  
            currentTempFilePath = myTempFile.getAbsolutePath();  
            FileOutputStream fos = new FileOutputStream(myTempFile);  
            byte buf[] = new byte[128];  
            do {  
                int numread = is.read(buf);  
                if (numread <= 0) {  
                    break;  
                }  
                fos.write(buf, 0, numread);  
            } while (true);  
            Log.i(TAG, "getDataSource() Download  ok...");  
            dialog.cancel();  
            dialog.dismiss();  
            openFile(myTempFile);  
            try {  
                is.close();  
            } catch (Exception ex) {