APK auto-update routines

APKAutoUpdate.java

	private boolean newVersionAvailable(){
		Log.d(TAG, "Check for updates");
		RestUtils.initRestTemplate(apkRestClient.getRestTemplate());
		Log.d(TAG, "Remote version " + apkRestClient.getVersion());
		return false;
	}
	
	private void update() {
		Log.d(TAG, "Updating apk");
		String apkurl = "http://aaa/aaa.apk";
		try {
			URL url = new URL(apkurl);
			HttpURLConnection c = (HttpURLConnection) url.openConnection();
			c.setRequestMethod("GET");
			c.setDoOutput(true);
			c.connect();

			String PATH = Environment.getExternalStorageDirectory()
					+ "/download/path";
			File file = new File(PATH);
			file.mkdirs();
			File outputFile = new File(file, "aaa.apk");
			FileOutputStream fos = new FileOutputStream(outputFile);

			InputStream is = c.getInputStream();

			byte[] buffer = new byte[1024];
			int len1 = 0;
			while ((len1 = is.read(buffer)) != -1) {
				fos.write(buffer, 0, len1);
			}
			fos.close();
			is.close();// till here, it works fine - .apk is download to my
						// sdcard in download file

			Intent promptInstall = new Intent(Intent.ACTION_VIEW);
			promptInstall.setDataAndType(Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/download/path/" + "aaa.apk")), "application/vnd.android.package-archive");
			//promptInstall.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			startActivity(promptInstall);// installation is not working

		} catch (Exception e) {
			Log.e(TAG, "Update error!",e);
		}
	}