Android 判断网络状态这一应用技巧在实际应中是比较重要的。那么,在Android操作系统中,如何能够正确的判断我们所连接的网络是否断开恩?今天我们就针对这一应用技巧进行一个详细的分析。
- public class ConnectionChangeReceiver extends BroadcastReceiver
- {
- @Override
- public void onReceive( Context context, Intent intent )
- {
- ConnectivityManager connectivityManager =
- (ConnectivityManager) context.getSystemService( Context.CONNECTIVITY_SERVICE );
- NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
- NetworkInfo mobNetInfo = connectivityManager.getNetworkInfo( ConnectivityManager.TYPE_MOBILE );
- if ( activeNetInfo != null )
- {
- Toast.makeText( context, "Active Network Type : " +
- activeNetInfo.getTypeName(), Toast.LENGTH_SHORT ).show();
- }
- if( mobNetInfo != null )
- {
- Toast.makeText( context, "Mobile Network Type : " +
- mobNetInfo.getTypeName(), Toast.LENGTH_SHORT ).show();
- }
- }
- }
- < !-- Needed to check when the network connection changes -->
- < uses-permission android:name="android.permission.
- ACCESS_NETWORK_STATE"/>
- < receiver android:name="com.blackboard.androidtest.
- receiver.ConnectionChangeReceiver"
- android:label="NetworkConnection">
- < intent-filter>
- < action android:name="android.net.conn.CONNECTIVITY_CHANGE"/>
- < /intent-filter>
- < /receiver>
来源: http://www.phpxs.com/code/1002758/