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我想讓我的BroadcastReceiver工作,但當我斷開互聯網連接時出現問題,然後我得到Toast「請將設備連接到互聯網」。另一方面,我得到相同的吐司「請將設備連接到互聯網。」當我再次建立互聯網連接。這個班有什麼問題嗎?Android:用於互聯網連接的BroadcastReceiver
package com.bustracker;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import android.widget.Toast;
public class ConnectionChangeReceiver extends BroadcastReceiver {
\t @Override
\t public void onReceive(Context context, Intent intent) {
\t \t ConnectivityManager connectivityManager = (ConnectivityManager) context
\t \t \t \t .getSystemService(Context.CONNECTIVITY_SERVICE);
\t \t NetworkInfo activeNetInfo = connectivityManager
\t \t \t \t .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
\t \t boolean isConnected = activeNetInfo != null
\t \t \t \t && activeNetInfo.isConnectedOrConnecting();
\t \t if (isConnected) {
\t \t \t Toast.makeText(context, "The device is connected to the internet ",
\t \t \t \t \t Toast.LENGTH_SHORT).show();
\t \t \t Log.i("NET", "connecte" +isConnected);
\t \t } else {
\t \t \t Toast.makeText(context, "Please connect the device to the internet.",
\t \t \t \t \t Toast.LENGTH_SHORT).show();
\t \t }
\t }
}
<receiver android:name=".ConnectionChangeReceiver" >
<intent-filter>
<action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
</intent-filter>
</receiver>
>當我再次建立互聯網連接時,我沒有得到任何東西 - 這是否意味着您根本沒有得到祝酒詞,或者祝酒詞還說沒有連接? –
Toast仍然說「請將設備連接到互聯網。」 –
哈哈,你是通過無線或移動數據連接? –