SignalStrengthPresenter.java 文件源码

private int getCdmaLevel(SignalStrength signalStrength) {
    final int cdmaDbm = signalStrength.getCdmaDbm();
    final int cdmaEcio = signalStrength.getCdmaEcio();

    final int levelDbm;
    if(cdmaDbm >= -75) levelDbm = 4;
    else if(cdmaDbm >= -85) levelDbm = 3;
    else if(cdmaDbm >= -95) levelDbm = 2;
    else if(cdmaDbm >= -100) levelDbm = 1;
    else levelDbm = 0;

    final int levelEcio;
    // Ec/Io are in dB*10
    if(cdmaEcio >= -90) levelEcio = 4;
    else if(cdmaEcio >= -110) levelEcio = 3;
    else if(cdmaEcio >= -130) levelEcio = 2;
    else if(cdmaEcio >= -150) levelEcio = 1;
    else levelEcio = 0;

    return (levelDbm < levelEcio) ? levelDbm : levelEcio;
}