SharedPreferencesUtil

public class SharedPreferencesUtil {public static final String mTAG = "test";// 创建一个写入器private static SharedPreferences mPreferences;private static SharedPreferences.Editor mEditor;private static SharedPreferencesUtil mSharedPreferencesUtil;// 构造方法public SharedPreferencesUtil(Context context) {mPreferences = context.getSharedPreferences(mTAG, Context.MODE_PRIVATE);mEditor = mPreferences.edit();}// 单例模式public static SharedPreferencesUtil getInstance(Context context) {if (mSharedPreferencesUtil == null) {mSharedPreferencesUtil = new SharedPreferencesUtil(context);}return mSharedPreferencesUtil;}// 存入数据public void putSP(String key, String value) {mEditor.putString(key, value);mEditor.commit();}// 获取数据public String getSP(String key) {return mPreferences.getString(key, "");}// 移除数据public void removeSP(String key) {mEditor.remove(key);mEditor.commit();}
}