【移動(dòng)應(yīng)用開(kāi)發(fā)技術(shù)】Android中怎么實(shí)現(xiàn)一個(gè)檢查網(wǎng)絡(luò)狀態(tài)工具類

【移動(dòng)應(yīng)用開(kāi)發(fā)技術(shù)】Android中怎么實(shí)現(xiàn)一個(gè)檢查網(wǎng)絡(luò)狀態(tài)工具類

這篇文章給大家介紹Android中怎么實(shí)現(xiàn)一個(gè)檢查網(wǎng)絡(luò)狀態(tài)工具類，內(nèi)容非常詳細(xì)，感興趣的小伙伴們可以參考借鑒，希望對(duì)大家能有所幫助。代碼：package

.util;

import

android.content.Context;

import

android.app.Activity;

import

android.app.AlertDialog;

import

android.content.DialogInterface;

import

android.content.Intent;

import

.ConnectivityManager;

import

.NetworkInfo;

import

.NetworkInfo.State;

import

vider.Settings;

import

android.util.Log;

import

android.widget.TextView;

import

.forestteaching.R;

/**

*

Description

:NetUtil為

網(wǎng)絡(luò)監(jiān)控類

*

Author:ldp

*

Data:2017/4/7

*/

public

class

NetUtil

{

/**

*

判斷網(wǎng)絡(luò)情況

*

*

@param

context

上下文

*

@return

false

表示沒(méi)有網(wǎng)絡(luò)

true

表示有網(wǎng)絡(luò)

*/

public

static

boolean

isNetworkAvalible(Context

context)

{

//

獲得網(wǎng)絡(luò)狀態(tài)管理器

ConnectivityManager

connectivityManager

=

(ConnectivityManager)

context.getSystemService(Context.CONNECTIVITY_SERVICE);

if

(connectivityManager

==

null)

{

return

false;

}

else

{

//

建立網(wǎng)絡(luò)數(shù)組

NetworkInfo[]

net_info

=

connectivityManager.getAllNetworkInfo();

if

(net_info

!=

null)

{

for

(int

i

=

0;

i

<

net_info.length;

i++)

{

//

判斷獲得的網(wǎng)絡(luò)狀態(tài)是否是處于連接狀態(tài)

if

(net_info[i].getState()

==

NetworkInfo.State.CONNECTED)

{

return

true;

}

}

}

}

return

false;

}

//

如果沒(méi)有網(wǎng)絡(luò)，則彈出網(wǎng)絡(luò)設(shè)置對(duì)話框

public

static

void

checkNetwork(final

Activity

activity)

{

if

(!NetUtil.isNetworkAvalible(activity))

{

TextView

msg

=

new

TextView(activity);

msg.setText("當(dāng)前沒(méi)有可以使用的網(wǎng)絡(luò)，請(qǐng)?jiān)O(shè)置網(wǎng)絡(luò)！");

new

AlertDialog.Builder(activity).setIcon(R.drawable.ic_launcher).setTitle("網(wǎng)絡(luò)狀態(tài)提示").setView(msg).setPositiveButton("確定",

new

DialogInterface.OnClickListener()

{

public

void

onClick(DialogInterface

dialog,

int

whichButton)

{

//

跳轉(zhuǎn)到設(shè)置界面

activity.startActivityForResult(new

Intent(Settings.ACTION_WIRELESS_SETTINGS),

0);

}

}).create().show();

}

return;

}

/**

*

判斷網(wǎng)絡(luò)是否連接

**/

public

static

boolean

netState(Context

context)

{

ConnectivityManager

connManager

=

(ConnectivityManager)

context.getSystemService(Context.CONNECTIVITY_SERVICE);

//

獲取代表聯(lián)網(wǎng)狀態(tài)的NetWorkInfo對(duì)象

NetworkInfo

networkInfo

=

connManager.getActiveNetworkInfo();

//

獲取當(dāng)前的網(wǎng)絡(luò)連接是否可用

boolean

available

=

false;

try

{

available

=

networkInfo.isAvailable();

}

catch

(Exception

e)

{

e.printStackTrace();

return

false;

}

if

(available)

{

Log.i("通知",

"當(dāng)前的網(wǎng)絡(luò)連接可用");

return

true;

}

else

{

Log.i("通知",

"當(dāng)前的網(wǎng)絡(luò)連接可用");

return

false;

}

}

/**

*

在連接到網(wǎng)絡(luò)基礎(chǔ)之上,判斷設(shè)備是否是SIM網(wǎng)絡(luò)連接

*

*

@param

context

*

@return

*/

public

static

boolean

IsMobileNetConnect(Context

context)

{

try

{

ConnectivityManager

connManager

=

(ConnectivityManager)

context.getSystemService(Context.CONNECTIVITY_SERVICE);

State

state

=

connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();

if

(State.CONNECTED

==

state)

return

true;

else

return

false;

}

catch

(Ex