Android 显示网络信息 ConnectivityManager用法

package zy.netmana;  
import android.app.Activity;    
import android.content.Context;    
import android.net.ConnectivityManager;    
import android.net.NetworkInfo;    
import android.os.Bundle;    
import android.widget.TextView;  
import android.widget.Toast;  
public class main extends Activity {  
    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.main);  
       String display="";  
       ConnectivityManager connec =  (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);   
       NetworkInfo info = connec.getActiveNetworkInfo();  
       connec.getAllNetworkInfo();  
      TextView tv=(TextView)findViewById(R.id.tv);  
     String typeName = info.getTypeName(); //cmwap/cmnet/wifi/uniwap/uninet  
     NetworkInfo []allinfo=  connec.getAllNetworkInfo();  
     tv.setText( allinfo[0].toString());  
    }  
} 
package zy.netmana;
import android.app.Activity; 
import android.content.Context; 
import android.net.ConnectivityManager; 
import android.net.NetworkInfo; 
import android.os.Bundle; 
import android.widget.TextView;
import android.widget.Toast;
public class main extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       String display="";
       ConnectivityManager connec =  (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
       NetworkInfo info = connec.getActiveNetworkInfo();
       connec.getAllNetworkInfo();
      TextView tv=(TextView)findViewById(R.id.tv);
     String typeName = info.getTypeName(); //cmwap/cmnet/wifi/uniwap/uninet
     NetworkInfo []allinfo=  connec.getAllNetworkInfo();
     tv.setText( allinfo[0].toString());
    }
}


AndroidManifest.xml

Xhtml代码
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<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
      package="zy.netmana" 
      android:versionCode="1" 
      android:versionName="1.0"> 
    <application android:icon="@drawable/icon" android:label="@string/app_name"> 
        <activity android:name=".main" 
                  android:label="@string/app_name"> 
            <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_NETWORK_STATE"></uses-permission> 
    <uses-sdk android:minSdkVersion="7" /> 
</manifest>  
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="zy.netmana"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".main"
                  android:label="@string/app_name">
            <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_NETWORK_STATE"></uses-permission>
    <uses-sdk android:minSdkVersion="7" />
</manifest>






main.xml



<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
    android:orientation="vertical"  
    android:layout_width="fill_parent"  
    android:layout_height="fill_parent"  
    >  
<TextView     
     android:id="@+id/tv"  
    android:layout_width="fill_parent"    
    android:layout_height="wrap_content"    
    android:text="@string/hello"  
    />  
</LinearLayout>