Spreadtrm Chipset. Dual Sim Application to send sms from specified sim slot. (< 22)

Question

I am tryting to develop an android application for Spreadtrum chipset smartphones. This app needs to specify which sim card (sim1 or sim2) to send sms or execute a phone call.

I was able to find an API for Mediatek API here, which works as an addon in android studio.

I tried to use adb shell as mentioned in this post. This did not work, both the commands sent sms through sim1. Two commands:

1. service call isms 5 s16 "PhoneNumber" i32 0 i32 0 s16 "BodyText" 2. service call isms2 5 s16 "PhoneNumber" i32 0 i32 0 s16 "BodyText"

When I list the service calls, there are telephony.registry0 and telephony.registry1.

I tried to use reflection as mentioned in this post. Sms was sent from sim1 only.

Isn't there any API or addons to use for spreadtrum

NOTE: I know this is not a prolem for Lollipop and later versions of android. But I am trying to build this application for KitKat versions.

P.S. I even tried contacting the chipset company. But sadly no response.

I am also stuck on same problem ? :P – Y2K Mar 08 '16 at 12:18 — Y2K, Mar 08 '16 at 12:18

score 1 · Accepted Answer · edited May 23 '17 at 11:59

You need to use reflection for this. Following code worked for me:

public class SimUtil {

public static boolean sendSMS(Context ctx, int simID, String toNum, String centerNum, String smsText, PendingIntent sentIntent, PendingIntent deliveryIntent) {
String name;

try {
    if (simID == 0) {
        name = "isms0";
    } else if (simID == 1) {
        name = "isms1";
    } else {
        throw new Exception("can not get service which for sim '" + simID + "', only 0,1 accepted as values");
    }

    try
    {
        Method method = Class.forName("android.os.ServiceManager").getDeclaredMethod("getService", new Class[]{String.class});
        method.setAccessible(true);
        Object param = method.invoke(null, new Object[]{name});
        if (param == null)
        {
            throw new RuntimeException("can not get service which is named '" + name + "'");
        }
        method = Class.forName("com.android.internal.telephony.ISms$Stub").getDeclaredMethod("asInterface", new Class[]{IBinder.class});
        method.setAccessible(true);
        Object stubObj = method.invoke(null, new Object[]{param});
        method = stubObj.getClass().getMethod("sendText", String.class, String.class, String.class, String.class, PendingIntent.class, PendingIntent.class);
        method.invoke(stubObj, ctx.getPackageName(), toNum, centerNum, smsText, sentIntent, deliveryIntent);
    } catch (ClassNotFoundException e)
    {
        throw new RuntimeException(e);
    } catch (NoSuchMethodException e)
    {
        throw new RuntimeException(e);
    } catch (InvocationTargetException e)
    {
        throw new RuntimeException(e);
    } catch (IllegalAccessException e)
    {
        throw new RuntimeException(e);
    }

    return true;
} catch (ClassNotFoundException e) {
    Log.e("Exception", "ClassNotFoundException:" + e.getMessage());
} catch (NoSuchMethodException e) {
    Log.e("Exception", "NoSuchMethodException:" + e.getMessage());
} catch (InvocationTargetException e) {
    Log.e("Exception", "InvocationTargetException:" + e.getMessage());
} catch (IllegalAccessException e) {
    Log.e("Exception", "IllegalAccessException:" + e.getMessage());
} catch (Exception e) {
    Log.e("Exception", "Exception:" + e);
}
return false;
}
}

For determining which isms values your sim slots carry, please view this comment.

For more details view this post.

Spreadtrm Chipset. Dual Sim Application to send sms from specified sim slot. (< 22)

1 Answers1