This can be done, but it is a bit of an advanced topic. You'll need
to use an internal class which is
com.android.internal.telephony.PhoneStateIntentReceiver
Grab this package, the .class files from the cupcake source tree
repository , (doesn't ship with the SDK) and add the classes to you're
class path, and include in the /libs directory, or package them into
your existent android.jar file.
Code to get the signal strength is as follows:
import com.android.internal.telephony.PhoneStateIntentReceiver;
private static final int EVENT_SIGNAL_STRENGTH_CHANGED = 200;
..
/// first initialize the PhoneStateIntentReceiver (assumes you're
inside a class that extends Context)
void initPhoneStateReciever()
{
phoneStateReciever = new PhoneStateIntentReceiver(this, new
Handler( getMainLooper()));
phoneStateReciever.notifySignalStrength
(EVENT_SIGNAL_STRENGTH_CHANGED);
phoneStateReciever.registerIntent();
}
//to get the signal strength, use this method, or something similar
void updateSignalStrength()
{
int signalDbm = phoneStateReciever.getSignalStrengthDbm();
int signalAsu = phoneStateReciever.getSignalStrength();
System.out.println("Time: "+System.currentTimeMillis()+"
Signal Strength DB: "+signalDbm+" strength Asu: "+signalAsu);
}
The use of internal classes is not officially supported, and you'll
need to grab the .class files from the source repo, but I do actually
have code that implements and is tested on the G1. Refer to other
threads on options for getting the code and setting up your
development environment to use internal classes. Good luck!
Mark
On Mar 11, 7:49 am, Shrikant Agrawal <[email protected]> wrote:
> Hi
>
> I want to find the network signal strength for my app.
> But I cant find the api for it.
>
> Do anybody know how to find the signal strength of the phone?
>
> Thanks
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