Android判断网络状态方法详解

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-permissionandroid:name="android.permission.ACCESS_NETWORK_STATE"/>< receiverandroid:name="com.blackboard.androidtest.receiver.ConnectionChangeReceiver"android:label="NetworkConnection">< intent-filter>< actionandroid:name="android.net.conn.CONNECTIVITY_CHANGE"/>< /intent-filter>< /receiver>