Przykład dla nonflammable - ekran ustawień: http://forum.android.com.pl/f43/jak-zaimplementowaae-komunikacjae-aplikacji-przez-internet-get-i-post-353767/

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Ustawienia" />

</LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.intent"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name="com.example.intent.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name="com.example.intent.SettingsActivity"
            android:label="@string/title_activity_settings" >
        </activity>
    </application>

</manifest>

MainActivity.java

package com.example.intent;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {
  
	private Button mButton;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		mButton = (Button) findViewById(R.id.button1);
		mButton.setOnClickListener(this);
	}

	@Override
	public void onClick(View v) {
	  if(v == mButton){
			Intent i = new Intent(this, SettingsActivity.class);
			startActivity(i);
		}
	}

}

pref_general.xml

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >

    <PreferenceCategory android:title="@string/pref_header_general" >
        <EditTextPreference
            android:defaultValue="@string/pref_default_host_ip"
            android:key="host_ip"
            android:maxLines="1"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="@string/pref_title_host_ip" />
        <EditTextPreference
            android:defaultValue="@string/pref_default_port"
            android:key="port"
            android:maxLines="1"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="@string/pref_title_port" />
        <EditTextPreference
            android:defaultValue="@string/pref_default_user"
            android:inputType="textCapWords"
            android:key="user"
            android:maxLines="1"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="@string/pref_title_user" />
        <EditTextPreference
            android:defaultValue="@string/pref_default_password"
            android:inputType="textPassword"
            android:key="password"
            android:maxLines="1"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="@string/pref_title_password" />
    </PreferenceCategory>
    <PreferenceCategory android:title="@string/pref_header_hardware" >
        <ListPreference
            android:defaultValue="-1"
            android:entries="@array/pref_rev_list_titles"
            android:entryValues="@array/pref_rev_list_values"
            android:key="example_list"
            android:negativeButtonText="@null"
            android:positiveButtonText="@null"
            android:title="@string/pref_title_rev" />

        <Preference
            android:selectable="false"
            android:summary="@string/pref_note_summary_drgpio"
            android:title="@string/pref_note_title_drgpio" />
    </PreferenceCategory>

</PreferenceScreen>

SettingsActivity.java

package com.example.intent;

import android.os.Bundle;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.text.InputType;

public class SettingsActivity extends PreferenceActivity {
	@Override
	protected void onPostCreate(Bundle savedInstanceState) {
		super.onPostCreate(savedInstanceState);

		setupSimplePreferencesScreen();
	}

	@SuppressWarnings("deprecation")
	private void setupSimplePreferencesScreen() {

		addPreferencesFromResource(R.xml.pref_general);

		bindPreferenceSummaryToValue(findPreference("host_ip"));
		bindPreferenceSummaryToValue(findPreference("port"));
		bindPreferenceSummaryToValue(findPreference("user"));
		bindPreferenceSummaryToValue(findPreference("password"));
		bindPreferenceSummaryToValue(findPreference("example_list"));

	}

	private static Preference.OnPreferenceChangeListener sBindPreferenceSummaryToValueListener = new Preference.OnPreferenceChangeListener() {
		@Override
		public boolean onPreferenceChange(Preference preference, Object value) {
			String stringValue = value.toString();

			if (preference instanceof ListPreference) {
				// For list preferences, look up the correct display value in
				// the preference's 'entries' list.
				ListPreference listPreference = (ListPreference) preference;
				int index = listPreference.findIndexOfValue(stringValue);

				// Set the summary to reflect the new value.
				preference.setSummary(index >= 0 ? listPreference.getEntries()[index] : null);

			} else if (preference instanceof EditTextPreference) {
				EditTextPreference editTextPreference = (EditTextPreference) preference;
				if ((editTextPreference.getEditText().getInputType() & InputType.TYPE_TEXT_VARIATION_PASSWORD) != 0) {
					//TODO Make it better
					preference.setSummary("****");
				} else {
					preference.setSummary(stringValue);
				}
			} else {

				// For all other preferences, set the summary to the value's
				// simple string representation.
				preference.setSummary(stringValue);
			}
			return true;
		}
	};

	private static void bindPreferenceSummaryToValue(Preference preference) {
		if (preference == null)
			return;
		// Set the listener to watch for value changes.
		preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);

		// Trigger the listener immediately with the preference's
		// current value.
		sBindPreferenceSummaryToValueListener.onPreferenceChange(preference, PreferenceManager
				.getDefaultSharedPreferences(preference.getContext()).getString(preference.getKey(), ""));
	}
}

strings_activity_settings.xml

<resources>

    <string name="title_activity_settings">Settings</string>

    <!-- Strings related to Settings -->

    <!-- Authoriasdasdasd settings -->
    <string name="pref_header_general">Autoryzacja</string>
    <string name="pref_title_host_ip">Hostname or IP address</string>
    <string name="pref_default_host_ip">192.168.0.3</string>
    <string name="pref_title_port">Port</string>
    <string name="pref_default_port">8080</string>
    <string name="pref_title_user">Username</string>
    <string name="pref_default_user">webiopi</string>
    <string name="pref_title_password">Password</string>
    <string name="pref_default_password">raspberry</string>

    <!-- Hardware settings -->
    <string name="pref_header_hardware">Hardware</string>
    <string name="pref_title_rev">Rasperry PI revision:</string>
    <string name="pref_summary_rev">To long to rewrite</string>

    <string-array name="pref_rev_list_titles">
        <item>Rev1 &#8211; 256 MB of RAM</item>
        <item>Rev2 &#8211; 512 MB of RAM</item>
    </string-array>
    <string-array name="pref_rev_list_values">
        <item>1</item>
        <item>2</item>
    </string-array>

    <string name="pref_note_title_drgpio">Note:</string>
    <string name="pref_note_summary_drgpio">To long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\nTo long to rewrite\n</string>

</resources>