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I. Descriptive narrative of the problem Use LRUCache, asynctask to achieve bulk image loading and meet the following technical requirements1, read the picture from the cache, if not in the cache, open the asynchronous thread (asynctask) load the picture, and put into the cache2. Remove invalid asynchronous threads in time; Ensure that images are loaded asynchronously without ordering3. Simply cache the visible part of the current screen and load the image asynchronously4. Optimize per
One: Look at the programTwo: You can create a new thread to execute the blocking sectionNew Thread (New Runnable () {@Overridepublic void Run () {try {Thread.Sleep (50000);} catch (Interruptedexception e) {E.printstacktrace ();}}});Three: PhenomenonClick Button2, no image button1,button1 continue to move.Four: RulesThere is simply the rules to Android's single thread model:(1) do not block the UI thread. Don't block UI Threads(2) Do not access the Android
Problem Description:The business initialization process requires the Display splash screen interface, after a version update, found in some scenarios, the splash screen interface does not disappear after initialization is complete.Cause of the problem:Initialization is done on a child thread, and the splash screen belongs to the UI interface, which needs to be displayed by the UI thread. The initialization process and splash screen display on different threads, when the UI thread is busy, the in
(); } Advantages: Convenient, Convenient!! Only need to send the broadcast in the exit where it can!! This is the output of my exit: 08-09 15:33:48.869 26919-26919/example.com.closeapp i/tag:mainactivity-onpause 08-09 15:33:49.279 26919-26919/ Example.com.closeapp i/tag:mainactivity-onstop 08-09 15:33:51.569 26919-26959/example.com.closeapp d/ Openglrenderer:endallstaginganimators on 0x55850598b0 (rippledrawable) with handle 0x5585041510 08-09 15:33:56.079 26919-26919/example.co
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