怎样才能让2类之间的关系在一个程序？（机器人） [英] How can make a relation between 2 class in one program?(android)

问题描述

我必须写与Android程序可以找到其他SSID的，并告诉他们。我有2个XML页面desinged它。我创建了第2页的ImageButton，并希望进行的ImageButton和搜索方法之间的关系。这意味着我要点击的ImageButton和seaching方法开始它的工作和搜索SSID的，并告诉他们...
我的问题是，我下载我的搜索方法，因为这样的话，我可以不承认我必须在我写在第二页的ImageButton的我setonclick方法调用哪个方法？我尝试单独创建另一个类的搜索方法，并从第二类第2页中调用它。
但我不知道我怎样才能使这些CALSS 2（我指的是第二和第三类）之间的关系。或者我必须写在一个类中我的ImageButton的点击搜索和方法？
感谢您的suggestion.this是code，我是复制：

 进口java.util.Date;
进口的java.util.List;
进口android.app.Activity;
进口android.content.BroadcastReceiver;
进口android.content.Context;
进口android.content.Intent;
进口android.content.IntentFilter;
进口android.net.wifi.ScanResult;
进口android.net.wifi.WifiManager;
进口android.os.Bundle;
进口android.util.Log;
进口android.widget.TextView;公共类wifiScan延伸活动{    私有类WifiReceiver扩展广播接收器{
        @覆盖
      公共无效的onReceive（上下文C，意图意图）{
        清单＆LT; ScanResult＆GT;结果= wifi.getScanResults（）;
        日期tempDate =新的日期（）;
        字符串信息= testNumber ++（tempDate.getTime（） -  testDate。
          的getTime（））++ results.size（）;
        Log.i（wifiScan，信息）;
        wifiText.setText（信息）;
        testNumber ++;
        testDate =新的日期（）;
        wifi.startScan（）;        }
    }
    私人TextView的wifiText;
    私人WifiManager无线网络;
    私人WifiReceiver接收机;
    私人日期testDate;
    私有静态诠释testNumber = 0;
    / **当第一次创建活动调用。 * /
    @覆盖
    公共无效的onCreate（捆绑savedInstanceState）{
        super.onCreate（savedInstanceState）;
        的setContentView（R.layout.main）;
        testNumber = 0;        wifiText =（的TextView）findViewById（R.id.wifiText）;
        接收器=新WifiReceiver（）;
        registerReceiver（接收器，新IntentFilte
           （WifiManager.SCAN_RESULTS_AVAILABLE_ACTION））;
        无线=（WifiManager）getSystemService（Context.WIFI_SERVICE）;
        如果（！wifi.isWifiEnabled（））{            wifi.setWifiEnabled（真）;          }
        开始扫描（）;
    }
    @覆盖
    公共无效的onStop（）{
        super.onStop（）;
        完（）;
    }
    公共无效startScan（）{
        testDate =新的日期（）;
        wifi.startScan（）;
    }
}
 

解决方案

  you_image_button.setOnClickListener（新View.OnClickListener（）{
            @覆盖
            公共无效的onClick（视图v）{
    意图I =新意图（这一点，wifiScan.class）;
    。getApplicationContext（）startActivity（ⅰ）;
            }
        }）;
 

I must write a program with android which can find other ssid's and show them. I desinged it with 2 xml pages. I create an imagebutton in page2 and want to make a relation between imagebutton and searching method. It means i want to click on imagebutton and seaching method begin it's work and search ssid's and show them... My problem is, I download my search method and because of that i can not recognize which method i must call on my setonclick method that i write for an imagebutton in second page? I try to create another class seperately for search method and call it from the second class of page2. but i dont know how can i make a relation between these 2 calss(i mean the second and third class). Or i must write the method of searching and on click of my imagebutton in one class? Thanks for your suggestion.this is the code that i was copy:

import java.util.Date;
import java.util.List;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

public class wifiScan extends Activity {

    private class WifiReceiver extends BroadcastReceiver{
        @Override
      public void onReceive(Context c, Intent intent) {
        List<ScanResult> results = wifi.getScanResults();
        Date tempDate=new Date();
        String info=testNumber+" "+(tempDate.getTime()-testDate.
          getTime()) +" "+results.size();
        Log.i("wifiScan", info);    
        wifiText.setText(info);
        testNumber++;
        testDate=new Date();
        wifi.startScan();

        }
    }
    private TextView wifiText;
    private WifiManager wifi;
    private WifiReceiver receiver;
    private Date testDate;
    private static int testNumber=0;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        testNumber=0;

        wifiText = (TextView) findViewById(R.id.wifiText);
        receiver=new WifiReceiver();
        registerReceiver(receiver, new IntentFilte
           (WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
        wifi =(WifiManager)getSystemService(Context.WIFI_SERVICE);
        if(!wifi.isWifiEnabled()){

            wifi.setWifiEnabled(true);

          }
        startScan();


    }
    @Override
    public void onStop(){
        super.onStop();
        finish();
    }
    public void startScan(){
        testDate=new Date();
        wifi.startScan();
    }
}

解决方案

you_image_button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
    Intent i = new Intent(this, wifiScan.class);
    getApplicationContext().startActivity(i);
            }
        });

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