Android判断网络状态方法,android判断网络
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Android判断网络状态方法,android判断网络
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。1.[Java]代码
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(); } } }
2.[XML]代码
< !-- 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>
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