Android WiFi管理(WIFI_SERVICE)_wifi-service.dex-优快云博客

本文链接：https://blog.youkuaiyun.com/sbvfhp/article/details/7007090

本文详细介绍了如何在Android中使用WIFI_SERVICE进行WiFi管理，包括连接、断开WiFi以及查询网络状态的操作，帮助开发者掌握Android WiFi编程技巧。

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.entel.research"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="7" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" android:debuggable="true">
        <activity
            android:label="@string/app_name"
            android:name=".WifiManagerActivity" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

</manifest>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <Button
        android:id="@+id/wifiManager_open"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="打开WiFi" />

    <Button
        android:id="@+id/wifiManager_close"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="关闭WiFi" />

    <Button
        android:id="@+id/wifiManager_check"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="显示WiFi状态" />

    <Button
        android:id="@+id/wifiManager_WIFI_SETTINGS"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="WiFi网络设置" />

    <Button
        android:id="@+id/threeGManager_State"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="显示3G边境状态" />
    
    <Button
        android:id="@+id/wifiManager_WIRELESS_SETTINGS"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="无线网络配置" />

</LinearLayout>

package com.entel.research;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo.State;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.provider.Settings;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class WifiManagerActivity extends Activity
{
	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		Button wifiManager_open = (Button) findViewById(R.id.wifiManager_open);
		Button wifiManager_close = (Button) findViewById(R.id.wifiManager_close);
		Button wifiManager_check = (Button) findViewById(R.id.wifiManager_check);
		Button wifiManager_WIFI_SETTINGS = (Button) findViewById(R.id.wifiManager_WIFI_SETTINGS);
		Button wifiManager_WIRELESS_SETTINGS = (Button) findViewById(R.id.wifiManager_WIRELESS_SETTINGS);
		
		Button threeGManager_State = (Button) findViewById(R.id.threeGManager_State);

		final WifiManager wifiManager = (WifiManager) WifiManagerActivity.this
				.getSystemService(Context.WIFI_SERVICE);
		final ConnectivityManager conMan = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

		wifiManager_open.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				wifiManager.setWifiEnabled(true);
				Toast.makeText(WifiManagerActivity.this, "Wifi开启",
						Toast.LENGTH_SHORT).show();
			}
		});
		
		wifiManager_close.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				if (wifiManager.isWifiEnabled())
				{
					wifiManager.setWifiEnabled(false);
					Toast.makeText(WifiManagerActivity.this, "Wifi关闭",
							Toast.LENGTH_SHORT).show();
				}
				Toast.makeText(WifiManagerActivity.this, "Wifi关闭",
						Toast.LENGTH_SHORT).show();
			}
		});
		
		wifiManager_check.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				String result = null;
				switch (wifiManager.getWifiState())
				{
					case WifiManager.WIFI_STATE_DISABLED:
						result = "WIFI已关闭";
						break;
					case WifiManager.WIFI_STATE_DISABLING:
						result = "WIFI正在关闭中";
						break;
					case WifiManager.WIFI_STATE_ENABLED:
						result = "WIFI已启用";
						break;
					case WifiManager.WIFI_STATE_ENABLING:
						result = "WIFI正在启动中";
						break;
					case WifiManager.WIFI_STATE_UNKNOWN:
						result = "未知WIFI状态";
						break;
				}
				Toast.makeText(WifiManagerActivity.this, result, Toast.LENGTH_SHORT)
						.show();
			}
		});
		
		wifiManager_WIFI_SETTINGS.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS));
			}
		});
		
		threeGManager_State.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				State mobile = conMan.getNetworkInfo(
						ConnectivityManager.TYPE_MOBILE).getState();
				Toast.makeText(WifiManagerActivity.this, mobile.toString(),
						Toast.LENGTH_SHORT).show();
			}
		});
		
		wifiManager_WIRELESS_SETTINGS.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
			}
		});
	}
}