android sharedpreferences 工具类,Android SharedPreferencesUtil工具类

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();

}

}

作者：JasonDev