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One of the most common tasks you need to perform in a Windows Phone application is updating the UI from a separate thread.   For example, you may be download some content asynchronously using a WebClient class and when the operation is completed, you…
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Class used to run a message loop for a thread. Threads by default do not have a message loop associated with them; to create one, call prepare() in the thread that is to run the loop, and then loop() to have it process messages until the loop is stop…
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如果需要在异步任务(Async Task)中更新UI,若直接设置UI,会导致程序崩溃. 例如,在异步block中去更改UI: NSOperationQueue *queue=[[NSOperationQueue alloc] init]; [queue addOperationWithBlock:^{ @autoreleasepool { // the other codes ... _textView.text = [_textView.text stringByAppendingString…
Stephen Cleary Download the Code Sample This is the second article in a series on combining async and await with the established Model-View-ViewModel (MVVM) pattern. Last time, I showed how to data bind to an asynchronous operation, and I developed a…
Thread,Looper的组合是非常常见的组合方式. Looper可以是和线程绑定的,或者是main looper的一个引用. 下面看看具体app层的使用. 首先定义thread: package com.joyfulmath.androidstudy.thread; import com.joyfulmath.androidstudy.TraceLog; import android.os.Bundle; import android.os.Handler; import android.o…
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