moresimpleprefs.java

Android从入门到精通

package com.androidbook.simpleprefs;

import android.content.SharedPreferences;
import android.os.Bundle;

// Second activity screen 
public class MoreSimplePrefs extends SuperSimplePrefs {

	@Override
	protected void onCreate(Bundle savedInstanceState) {

     // Set some prefs for this specific activity
 	SharedPreferences settingsActivity = getPreferences(MODE_PRIVATE); 
 	if(settingsActivity.contains(PREFERENCE_STRING_NAME) == false)
	{
	     SharedPreferences.Editor prefEditor = settingsActivity.edit();
	     prefEditor.putString(PREFERENCE_STRING_NAME, this.getLocalClassName()); 
	     prefEditor.putLong("SomeLong", java.lang.Long.MIN_VALUE);
	     prefEditor.commit();
	}
	 super.onCreate(savedInstanceState);
     
 }

	@Override
	Class<?> GetTargetClass() {
		// Where the "Go to other activity" action will send us
		return SimplePrefs.class;
	}

}