android java url read

I use 4.4.2 Android version. I want to read a url's html code. This url has this code: echo"1";

I'm trying a lot of codes but it isn't work. Pls don't lock this topic. My error: Application stopped.

HttpClient don't work.

android: 4.4.2

program: Android Studio

My AndroidManifest.xml:

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"/>

My java code:

try {
    URL u = new URL("http://www.google.com");
    BufferedReader br = null;
    br = new BufferedReader(new InputStreamReader(u.openStream()));
    br.close();
} catch (IOException e) {
    e.printStackTrace();
}