Android應(yīng)用程序中檢測(cè)互聯(lián)網(wǎng)連接的廣播接收機(jī)我正在開發(fā)一個(gè)用于檢查互聯(lián)網(wǎng)連接的Android廣播接收器。問題是我的廣播接收機(jī)被打了兩次電話。我只想在網(wǎng)絡(luò)可用時(shí)才打電話給它。如果它不可用，我不想被通知。這是廣播接收器public class NetworkChangeReceiver extends BroadcastReceiver {     @Override     public void onReceive(final Context context, final Intent intent) {         final ConnectivityManager connMgr = (ConnectivityManager) context                         .getSystemService(Context.CONNECTIVITY_SERVICE);         final android.net.NetworkInfo wifi = connMgr                .getNetworkInfo(ConnectivityManager.TYPE_WIFI);         final android.net.NetworkInfo mobile = connMgr                .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);         if (wifi.isAvailable() || mobile.isAvailable()) {             // Do something             Log.d("Network Available ", "Flag No 1");         }     }}這是明顯的.xml<manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.example.broadcastreceiverforinternetconnection"     android:versionCode="1"     android:versionName="1.0" >     <uses-sdk         android:minSdkVersion="8"         android:targetSdkVersion="17" />     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>     <application         android:allowBackup="true"         android:icon="@drawable/ic_launcher"         android:label="@string/app_name"         android:theme="@style/AppTheme" >         <receiver android:name=".NetworkChangeReceiver" >             <intent-filter>                 <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />                 <action android:name="android.net.wifi.WIFI_STATE_CHANGED" />             </intent-filter>         </receiver>     </application></manifest>