**
 * 2017/5/9 13:53
 * Created by jiangchen
 * 作用：sharedpreference工具類
 */
public class SharedPreferenceHelper {
    private static final String SHAREDPREFENCE_NAME = "mysp";           //SP名
/**
    *2017/5/9 13:57
    *Created by jiangchen
    *作用：這樣所有要儲存的資料都寫上面，然後下面寫save，get方法，可以更直白的知道你存了哪些資料
    */
private final 
 
String LOGIN_ID = "id";                                 //所存ID
private final String LOGIN_PSW = "psw";                               //所村密碼
Context context;
    private static SharedPreferenceHelper sharedPreferenceHelper;
    private SharedPreferenceHelper(Context context) {
        this.context = context;
 
}

    /**
     * 2017/5/9 13:53
     * Created by jiangchen
     * 作用：單例模式，獲取例項
     */
public static SharedPreferenceHelper getInstance(Context context) {
        if (sharedPreferenceHelper == null) {
            sharedPreferenceHelper = new SharedPreferenceHelper(context);
}
        return sharedPreferenceHelper
 
;
}
    /** 補充註釋 ---- 時間： 補充人：jiangchen
     * 儲存ID，取ID
     */
public void saveLoginId(String id) {
        SharedPreferences sp = context.getSharedPreferences(SHAREDPREFENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
editor.putString(LOGIN_ID, id);
editor.commit();
}

    public String getLoginId() {
        SharedPreferences sp = context.getSharedPreferences(SHAREDPREFENCE_NAME, Context.MODE_PRIVATE);
        return sp.getString(LOGIN_ID, "");
}
    /** 補充註釋 ---- 時間： 補充人：jiangchen
     * 儲存密碼，取密碼
     */
public void saveLoginPsw(String id) {
        SharedPreferences sp = context.getSharedPreferences(SHAREDPREFENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
editor.putString(LOGIN_PSW, id);
editor.commit();
}

    public String getLoginPsw() {
        SharedPreferences sp = context.getSharedPreferences(SHAREDPREFENCE_NAME, Context.MODE_PRIVATE);
        return sp.getString(LOGIN_PSW, "");
}

}