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storm你好,鄙人最近也在学习这个项目,发现FeedsAdapter.java和ImageViewActivity.java中分别用了Volley和UIL的ImageLoader从网络上下载图片数据,想问一下这两个ImageLoader之间的区别,加载图片时的特点?分别在哪些场合比较适合使用? 另外还有一个不是很明白的地方,在FeedsDataHelper.java中deleteAll()为何没有用bulkInsert(List feeds)方法和query(long id)方法的处理方式(调用ContentProvider的对应方法),而是直接在deleteAll中直接获取了SQLiteDatabase,通过SQLiteDatabase对象来操作(删除)数据?
The text was updated successfully, but these errors were encountered:
你可以看codekk.com里有对这2个的源码分析
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storm你好,鄙人最近也在学习这个项目,发现FeedsAdapter.java和ImageViewActivity.java中分别用了Volley和UIL的ImageLoader从网络上下载图片数据,想问一下这两个ImageLoader之间的区别,加载图片时的特点?分别在哪些场合比较适合使用?
另外还有一个不是很明白的地方,在FeedsDataHelper.java中deleteAll()为何没有用bulkInsert(List feeds)方法和query(long id)方法的处理方式(调用ContentProvider的对应方法),而是直接在deleteAll中直接获取了SQLiteDatabase,通过SQLiteDatabase对象来操作(删除)数据?
The text was updated successfully, but these errors were encountered: