@Override
public void onClick(View v) {
pd = ProgressDialog.show(lexs, "Search", "Searching...", true, false);
Search search = new Search( ... );
SearchThread searchThread = new SearchThread(search);
searchThread.start();
}
private class SearchThread extends Thread {
private Search search;
public SearchThread(Search search) {
this.search = search;
}
@Override
public void run() {
search.search();
handler.sendEmptyMessage(0);
}
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
displaySearchResults(search);
pd.dismiss();
}
};
}
本文介绍了一个典型的Android应用中搜索功能的实现方式。通过使用ProgressDialog显示加载提示,并创建SearchThread子线程来执行耗时的搜索任务。搜索完成后,利用Handler机制更新UI并展示搜索结果。
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