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   源码介绍

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package org.sunchao;
//download by http://www.codefans.net
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ScrollView;
import android.widget.TextView;

public class Main extends Activity implements OnClickListener {
	// 右侧滚动条按钮
	private ScrollView sView;
	private Button openNetCard;
	private Button closeNetCard;
	private Button checkNetCardState;
	private Button scan;
	private Button getScanResult;
	private Button connect;
	private Button disconnect;
	private Button checkNetWorkState;
	private TextView scanResult;

	private String mScanResult;
	private WifiAdmin mWifiAdmin;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		mWifiAdmin = new WifiAdmin(Main.this);
		init();
	}

	/**
	 * 按钮等控件的初始化
	 */
	public void init() {
		sView = (ScrollView) findViewById(R.id.mScrollView);
		openNetCard = (Button) findViewById(R.id.openNetCard);
		closeNetCard = (Button) findViewById(R.id.closeNetCard);
		checkNetCardState = (Button) findViewById(R.id.checkNetCardState);
		scan = (Button) findViewById(R.id.scan);
		getScanResult = (Button) findViewById(R.id.getScanResult);
		scanResult = (TextView) findViewById(R.id.scanResult);
		connect = (Button) findViewById(R.id.connect);
		disconnect = (Button) findViewById(R.id.disconnect);
		checkNetWorkState = (Button) findViewById(R.id.checkNetWorkState);

		openNetCard.setOnClickListener(Main.this);
		closeNetCard.setOnClickListener(Main.this);
		checkNetCardState.setOnClickListener(Main.this);
		scan.setOnClickListener(Main.this);
		getScanResult.setOnClickListener(Main.this);
		connect.setOnClickListener(Main.this);
		disconnect.setOnClickListener(Main.this);
		checkNetWorkState.setOnClickListener(Main.this);
	}

	/**
	 * WIFI_STATE_DISABLING 0 WIFI_STATE_DISABLED 1 WIFI_STATE_ENABLING 2
	 * WIFI_STATE_ENABLED 3
	 */
	public void openNetCard() {
		mWifiAdmin.openNetCard();
	}

	public void closeNetCard() {
		mWifiAdmin.closeNetCard();
	}

	public void checkNetCardState() {
		mWifiAdmin.checkNetCardState();
	}

	public void scan() {
		mWifiAdmin.scan();
	}

	public void getScanResult() {
		mScanResult = mWifiAdmin.getScanResult();
		scanResult.setText(mScanResult);
	}

	public void connect() {
		mWifiAdmin.connect();
//		startActivityForResult(new Intent(
//				android.provider.Settings.ACTION_WIFI_SETTINGS), 0);
		startActivity(new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS));
	}

	public void disconnect() {
		mWifiAdmin.disconnectWifi();
	}

	public void checkNetWorkState() {
		mWifiAdmin.checkNetWorkState();
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.openNetCard:
			openNetCard();
			break;
		case R.id.closeNetCard:
			closeNetCard();
			break;
		case R.id.checkNetCardState:
			checkNetCardState();
			break;
		case R.id.scan:
			scan();
			break;
		case R.id.getScanResult:
			getScanResult();
			break;
		case R.id.connect:
			connect();
			break;
		case R.id.disconnect:
			disconnect();
			break;
		case R.id.checkNetWorkState:
			checkNetWorkState();
			break;
		default:
			break;
		}
	}
}