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Sample code for smooth scrolling of complex images in Android
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view_cache_demo is a sample Android application demonstrating how to do smooth scrolling of a complex image view by caching a bitmap rendering of the image. Without this, scrolling would be jerky because of the time taken to redraw the view each time. All this custom handling is implemented in the DrawView class. This caches only a limited area beyond the immediately-visible portion of the view, to try to reduce memory usage. The cache is automatically regenerated as the user scrolls the image. This class also demonstrates custom handling of single-tap, long-tap and double-tap events, with automatic conversion of tapped position to original image coordinates. Drawer is an interface to be implemented by the class that defines the actual image to be drawn in the view. BundledSavedState is a generic class for easier implementation of save/restore instance state in a custom View. Contents: src/ -- Java sources for the Android app res/ -- resources for the Android app AndroidManifest.xml, build.xml, *.properties -- for driving Google's Android build tools (note that you will have to provide a couple more of these--see INSTALL for details) README -- this file INSTALL -- build/installation instructions LICENSE -- licence (Apache 2.0, same as Google's sample code) Like the icon? It's by Tehkseven--more here <http://www.tehkseven.net/news/12-stunning-icon-packs-for-android-phones>. Lawrence D'Oliveiro <email@example.com>