首先介紹TOKEN 緩存問題

寫個工具類 里面放入

/*

*?獲取緩存的token

*/

public?static?String?getCachedToken(Context?context){

return?context.getSharedPreferences(APP_ID,?context.MODE_PRIVATE).getString(KEY_TOKEN,?null);

}

/*

*?緩存token

*/

public?static?void?cacheToken(Context?context,?String?token){

Editor?e?=?context.getSharedPreferences(APP_ID,?context.MODE_PRIVATE).edit();

e.putString(KEY_TOKEN,?token);

e.commit();

}

ANDROID API 說明：

Interface for accessing and modifying preference data returned by. For any particular set of preferences, there is a single instance of this class that all clients share. Modifications to the preferences must go through anobject to ensure the preference values remain in a consistent state and control when they are committed to storage. Objects that are returned from the variousgetmethods must be treated as immutable by the application.

簡要說明： 修改完數據，一定要提交，數據的有多重保存方式

詳細解釋見API

總結

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