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我已经构建了一个应用程序。我的测试用例是在我的 Android 选项卡中,当我断开 wifi 并强制停止应用程序时。现在再次启动应用程序并再次连接到 wifi,然后我的 web 服务没有响应 wifi 并且没有将记录推送到服务器。

代码是..

public void onReceive(Context context, Intent intent) {

    ConnectivityManager cm = (ConnectivityManager) context
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo info = cm.getActiveNetworkInfo();

    if (info != null) {
        if (info.isConnectedOrConnecting()) {
            Intent i = new Intent(context, Timeclock.class);
            i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            context.startService(i);
        } else {
            Intent i = new Intent(context, Timeclock.class);
            context.stopService(i);
        }
    }
}

在 Android.manifest.xml 文件中

<receiver android:enabled="true" android:name="com.example.timeclock.activity.StartApp" android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
        <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
                <action android:name="android.net.wifi.STATE_CHANGE"/>
                <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </receiver>

在logcat中它显示为

10-22 16:21:08.743: W/System.err(5950): java.net.UnknownHostException: Unable to resolve host "myexample.com": No address associated with hostname
10-22 16:21:08.743: W/System.err(5950):     at java.net.InetAddress.lookupHostByName(InetAddress.java:490)
10-22 16:21:08.743: W/System.err(5950):     at java.net.InetAddress.getAllByNameImpl(InetAddress.java:281)
10-22 16:21:08.743: W/System.err(5950):     at java.net.InetAddress.getAllByName(InetAddress.java:249)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:136)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:359)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
10-22 16:21:08.743: W/System.err(5950):     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)

Wifi 没有响应,即使我检查过它可用。所以,我希望wifi在强制停止应用程序后对应用程序做出响应。

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