> and connects to a web server. If the phone goes to sleep and one
> of my polling intervals happens the phone wakes up enough to let me
> attempt
> to connect to the network but the ConnectionManager claims there is no
> network. Given the system log this is correct, it was torn down.
If my phone is woken up and gsm fails i try to wake up wifi:
if (!checkConnectivity()) {
WifiManager wm = (WifiManager) mContext
.getSystemService(Context.WIFI_SERVICE);
mWifiLock =
wm.createWifiLock(getClass().getSimpleName());
mWifiLock.acquire();
long start = System.currentTimeMillis();
while (!checkConnectivity()
&& System.currentTimeMillis() - start <
10000) {
Sleep.sleep(1000);
}
}
...
private boolean checkConnectivity() {
boolean mobile = mConnectivityManager.getNetworkInfo(
ConnectivityManager.TYPE_MOBILE).isConnected();
boolean wifi = mConnectivityManager.getNetworkInfo(
ConnectivityManager.TYPE_WIFI).isConnected();
Log.d(LOGT, "Connectivity: Mobile: " + mobile + " WiFi: " +
wifi);
return mobile || wifi;
}
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