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main/java/com/hty/browser/SettingsActivity.java

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+package com.hty.browser;
+
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.os.Bundle;
+import android.preference.EditTextPreference;
+import android.preference.PreferenceActivity;
+
+public class SettingsActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener{
+
+    private EditTextPreference ETP_homepage;
+    SharedPreferences sharedPreferences;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.preference);
+        ETP_homepage = (EditTextPreference) findPreference("homepage");
+        sharedPreferences = getPreferenceScreen().getSharedPreferences();
+        sharedPreferences.registerOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    // Activity启动时，修改列表项目值
+    protected void onResume() {
+        super.onResume();
+        ETP_homepage.setSummary(sharedPreferences.getString("homepage","http://www.baidu.com"));
+    }
+
+    @Override
+    // 编辑后确定，修改列表项目值
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if(key.equals("homepage")){
+            ETP_homepage.setSummary(sharedPreferences.getString(key,""));
+        }
+    }
+}