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();
}
}
