get SignalStrength without Using PhoneStateListener onSignalStrengthchanged

Question

does anyone know how to get the signal strength without having to call the onSignalStrengthChanged. The problem with onSignalStrengthchanged is that is it called when the s

Answer 1

Based on Andre's answer above, in Kotlin you can use this one-liner (again API 17+):

fun getRadioSignalLevel(): Int {
  return when (val info = telephonyManager.allCellInfo?.firstOrNull()) {
    is CellInfoLte   -> info.cellSignalStrength.level
    is CellInfoGsm   -> info.cellSignalStrength.level
    is CellInfoCdma  -> info.cellSignalStrength.level
    is CellInfoWcdma -> info.cellSignalStrength.level
    else             -> 0
  }
}