由于本人英文能力实在有限,不足之初敬请谅解 本博客只要没有注明“转”,那么均为原创,转贴请注明本博客链接链接 Processing Bitmaps Off the UI Thread 在UI线程之外处理Bitmap The BitmapFactory.decode* methods, discussed in the Load Large Bitmaps Efficiently lesson, should not be executed on the main UI thread if the…
多线程处理Bitmaps 上一篇,我们讨论了:Android有效的处理Bitmap,降低内存 ,可是最好不要运行在主线程(UI线程),假设图片是本地的或者网络的又或者是其它地方的. 图片载入的时间和很多因素有关(比方从网络或本地读取速度,图片的大小.CPU的能力),假设这些任务堵塞了UI线程,系统有可能会回收并关闭它(see Designing for Responsiveness for more information). 这篇我们将讨论怎样在UI线程之外后台使用异步任务(As…
由于本人英文能力实在有限,不足之初敬请谅解 本博客只要没有注明“转”,那么均为原创,转贴请注明本博客链接链接 Displaying Bitmaps in Your UI 在你的UI中显示Bitmap This lesson brings together everything from previous lessons, showing you how to load multiple bitmaps into ViewPager and GridView components using a…
由于本人英文能力实在有限,不足之初敬请谅解 本博客只要没有注明“转”,那么均为原创,转贴请注明本博客链接链接 Loading a single bitmap into your user interface (UI) is straightforward, however things get more complicated if you need to load a larger set of images at once. In many cases (such as with compo…
由于本人英文能力实在有限,不足之初敬请谅解 本博客只要没有注明“转”,那么均为原创,转贴请注明本博客链接链接 Displaying Bitmaps Efficiently 高效显示Bitmap Learn how to use common techniques to process and load Bitmap objects in a way that keeps your user interface (UI) components responsive and avoids excee…