Android Code Snippet Dual SIM call

Hi, All

This my code calls OK by both SIM-cards on Samsung A7 device. Try and reply here, if works on your device.

B4X:
Sub Activity_Resume
    For Each permission As String In Permissions
        If rp.Check(permission) = False Then
            Sleep(200)
            rp.CheckAndRequest(permission)
            Wait For Activity_PermissionResult (permission As String, Result As Boolean)
            Log(permission)
            If Result = False Then
                ToastMessageShow("No permission " & permission, True)
                rp.CheckAndRequest(permission)
                Sleep(200)
                Return
            End If
        End If
    Next
 
    If FirstInit Then
        FirstInit = False
  
        spSIMnum.Clear
        spSIMnum.Add("SIM1")
        butCall.Text = "Call by " & spSIMnum.SelectedItem
  
        Dim j As JavaObject
        j.InitializeContext
        Dim telMgr As JavaObject = j.RunMethod("getSystemService", Array("phone"))
        Dim PhoneCount As Int = telMgr.RunMethod("getPhoneCount", Null)
  
        If PhoneCount >= 2 Then
            spSIMnum.Add("SIM2")
        End If
    End If
    Get_Tel_Accounts
End Sub
Sub Get_Tel_Accounts
    Dim ctxt As JavaObject
    ctxt.InitializeContext
    Dim telecom As JavaObject = ctxt.RunMethod("getSystemService", Array("telecom"))
    Dim accounts As List = telecom.RunMethod("getCallCapablePhoneAccounts", Null)
    'Log(accounts)    '(ArrayList) [ComponentInfo{com.android.phone/com.android.services.telephony.TelephonyConnectionService}, [****], UserHandle{0}, ComponentInfo{com.android.phone/com.android.services.telephony.TelephonyConnectionService}, [****], UserHandle{0}]
End Sub
Sub Activity_Pause (UserClosed As Boolean)
End Sub
'sim = 0 SIM1, = 1 SIM2
Sub Call_SIM(num As String, sim As Int)
    Dim i As Intent
    i.Initialize(i.ACTION_CALL, "tel:" & num)
    i.putExtra("simSlot", sim)
    i.putExtra("com.android.phone.force.slot", True)
    i.putExtra("Cdma_Supp", True)
    i.putExtra("com.android.phone.extra.slot", sim)
    If accounts.IsInitialized Then
        If accounts.Size > 0 Then
            i.putExtra("android.telecom.extra.PHONE_ACCOUNT_HANDLE", accounts.Get(sim))
        End If
    End If
    StartActivity(i)
End Sub
Sub butCall_Click
    If txtTelNum.Text.Trim = "" Then Return
    If spSIMnum.SelectedIndex < 0 Then Return
 
    Call_SIM(txtTelNum.Text, spSIMnum.SelectedIndex)
End Sub
Sub spSIMnum_ItemClick (Position As Int, Value As Object)
    butCall.Text = "Call by " & spSIMnum.SelectedItem
End Sub

Requirements: minSdkVersion="23" (Android 6); 2 working SIM-cards.
Inspired by: https://www.b4x.com/android/forum/threads/call-from-dual-sim.99801/#post-628156
 

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Last edited:
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