pocketcommunityclient/app/src/main/java/com/community/pocket/ui/main/ui/share/MyAutoCompleteTextView.java

package com.community.pocket.ui.main.ui.share;

import android.annotation.SuppressLint;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import android.widget.AutoCompleteTextView;

import org.jetbrains.annotations.NotNull;

import java.lang.reflect.Method;

/**
 * 动态更新自动搜索框数据
 */
public class MyAutoCompleteTextView {
    //AutoCompleteTextView的doBeforeTextChanged方法
    private Method doBeforeTextChanged;
    //AutoCompleteTextView的doAfterTextChanged方法
    private Method doAfterTextChanged;

    private AutoCompleteTextView view;

    private SearchViewModel searchViewModel;

    public MyAutoCompleteTextView(AutoCompleteTextView view, SearchViewModel searchViewModel) {
        this.view = view;
        this.searchViewModel = searchViewModel;
    }

    //延时搜索的handler
    private Handler searchHandler = new Handler(Looper.getMainLooper()) {
        public void handleMessage(@NotNull Message msg) {
            dealSearchHint();
        }
    };


    /**
     * 根据用户输入的字符去调用接口查询
     */
    private void dealSearchHint() {
        String searchContent = view.getText().toString();
        if (searchContent.isEmpty()) {
            return;
        }
//        appointmentViewModel.searchPeople(searchContent);
        searchViewModel.search(searchContent);
    }

    @SuppressLint("SoonBlockedPrivateApi")
    public void refreshDropList() {
        try {
            if (doAfterTextChanged == null) {
                Class<AutoCompleteTextView> autoCompleteTextView = AutoCompleteTextView.class;
                doBeforeTextChanged = autoCompleteTextView.getDeclaredMethod("doBeforeTextChanged");
                doBeforeTextChanged.setAccessible(true);
                doAfterTextChanged = autoCompleteTextView.getDeclaredMethod("doAfterTextChanged");
                doAfterTextChanged.setAccessible(true);
            }

//            doBeforeTextChanged.invoke(appointment);
            doAfterTextChanged.invoke(view);
        } catch (Exception e) {
            Log.e("", e.toString());
        }
    }

    public void searchHandler() {
        long time = System.currentTimeMillis();
        //输入的字符间隔时间 小于700毫秒 移除以前的handler 延时600毫秒执行
        if (view.getTag() != null && time - (Long) view.getTag() < 700) {
            searchHandler.removeMessages(1);
        }
        searchHandler.sendEmptyMessageDelayed(1, 600);
        view.setTag(time);
    }
}