android – 如何将加载指示符添加到AutoCompleteTextView

概述我想在从Web服务加载数据时在AutoCompleteTextView中显示加载指示器.优选地,它应该显示在自动完成的右侧(f.i.动画像进行中控制 – 旋转轮).怎么做到这一点？ I would like to show loading indicator in AutoCompleteTextView while loading data from web-service. 在窗口小部件的右侧 我想在从Web服务加载数据时在autoCompleteTextVIEw中显示加载指示器.优选地,它应该显示在自动完成的右侧(f.i.动画像进行中控制 – 旋转轮).怎么做到这一点？解决方法

I would like to show loading indicator in autoCompleteTextVIEw while
loading data from web-service.

在窗口小部件的右侧放置一个带有不确定外观的Progressbar,并像这样扩展autoCompleTextVIEw类：

public class autoCompleteLoadding extends autoCompleteTextVIEw {    private Progressbar mloadingIndicator;    public voID setLoadingIndicator(Progressbar vIEw) {        mloadingIndicator = vIEw;    }    @OverrIDe    protected voID performFiltering(CharSequence text,int keyCode) {        // the autoCompleteTextvIEw is about to start the filtering so show        // the Progresspager        mloadingIndicator.setVisibility(VIEw.VISIBLE);        super.performFiltering(text,keyCode);    }    @OverrIDe    public voID onFilterComplete(int count) {        // the autoCompleteTextVIEw has done its job and it's about to show        // the drop down so close/hIDe the Progreebar        mloadingIndicator.setVisibility(VIEw.INVISIBLE);        super.onFilterComplete(count);    }}

使用setLoadingIndicator()方法将引用传递给Progressbar.这假设您在适配器(autoCompleteTextVIEw)/适配器的过滤器中发出Web服务请求.

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