我已经向市场释放了我的 app,我准备更新。
然而,我希望重新确定一些共同偏好的关键名称,但保留用户装置的现值。 还有一点是,我也希望删除旧的关键名称(因此,共有的参考文件没有用不必要的钥匙污染)。
如果没有我的用户 has,我如何能够做到这一点?
创建一系列你的优惠关键
Create an array of all the new preference keys
之后,它们的所有价值观都纷纷纷形成。
Then call SharedPreferences.clear(). This will completely remove all keys and values from the preferences.
这一步骤通过所有价值观,并以新的钥匙将其重新纳入共同方案。
I m relatively new to Android development. I m developing an app with a ListView. I ve followed the info in #1338475 and have my app recognizing the fling gesture, but after the gesture is complete, ...
I m converting my code from using Handler to AsyncTask. The latter is great at what it does - asynchronous updates and handling of results in the main UI thread. What s unclear to me is how to handle ...
I want to be able to download a file with a particular extension from the net, and have it passed to my application to deal with it, but I haven t been able to figure out the intent filter. The ...
I am quite impressed by the workflow I follow when developing Android applications: Define a layout in an xml file and then write all the code in a code-behind style. Is there an equivalent style for ...
To draw landscapes, backgrounds with patterns etc, we used TiledLayer in J2ME. Is there an android counterpart for that. Does android provide an option to set such tiled patterns in the layout XML?
When following the Android Open Source Project instructions on installing repo for use with Git, after running the repo init command, I run into this error: /c/Users/Andrew Rabon/bin/repo: line ...
I read in the Android documentation that by setting my Activity s launchMode property to singleTop OR by adding the FLAG_ACTIVITY_SINGLE_TOP flag to my Intent, that calling startActivity(intent) would ...
I have pretty good skills in PHP , Mysql and Javascript for a junior developer. If I wanted to try my hand as Android Development do you think I might find it tough ? Also what new languages would I ...
