Android带进度条文件上传

郑文亮

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Being able to display a progress bar during a time consuming upload to a web server is important when dealing with users and appeasing their impatience. Here is one approach of achieving this.

In this example we are going to use 2 classes – the first one is going to implement Android’s really handy threading function: Async Task and the other is going to extend MutlipartEntity – the basic object used for a multipart POST. Let’s take a look at extending a MultipartEntity object:

CustomMultiPartEntity.java

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