Improve manual proxy configuration

src/org/adblockplus/android/ProxyConfigurationActivity.java

Index: src/org/adblockplus/android/ProxyConfigurationActivity.java
===================================================================
--- a/src/org/adblockplus/android/ProxyConfigurationActivity.java
+++ b/src/org/adblockplus/android/ProxyConfigurationActivity.java
@@ -2,11 +2,14 @@
 
 import android.app.Activity;
 import android.content.Intent;
+import android.opengl.Visibility;
+import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.text.Html;
 import android.text.method.LinkMovementMethod;
 import android.view.View;
+import android.widget.Button;
 import android.widget.TextView;
 
 public class ProxyConfigurationActivity extends Activity
@@ -18,14 +21,19 @@
     setContentView(R.layout.proxyconfiguration);
     int port = getIntent().getIntExtra("port", 0);
     
+    boolean configurationSupported = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1;
+
     StringBuilder info = new StringBuilder();
-    AdblockPlus.appendRawTextFile(this, info, R.raw.proxysettings);
+    int proxySettingsResource = configurationSupported ? R.raw.proxysettings : R.raw.proxysettings_old;
+    AdblockPlus.appendRawTextFile(this, info, proxySettingsResource);
     String msg = String.format(info.toString(), port);
 
     TextView tv = (TextView) findViewById(R.id.message_text);
     tv.setText(Html.fromHtml(msg));
     tv.setMovementMethod(LinkMovementMethod.getInstance());
 
+    Button buttonToHide = (Button) findViewById(configurationSupported ? R.id.gotit : R.id.opensettings);
+    buttonToHide.setVisibility(View.GONE);
   }
 
   public void onGotit(View view)