回答幫我出我的問題是,你應該使用CDMA http://developer.android.com/reference/android/telephony/CellSignalStrengthCdma.html
由於UMTS是CDMA的類型,所以我認爲它應該工作。
我用於GSM,LTE,UMTS的代碼就是這樣,它對我來說工作得很好。
public void onSignalStrengthsChanged(SignalStrength signalStrength) {
super.onSignalStrengthsChanged(signalStrength);
CellSignalStrengthLte1 a1=new CellSignalStrengthLte1();
a1.initialize(signalStrength, 1);
MyService.signal=a1.getDbm();
if(MyService.signal>0){
CellSignalStrengthGsm1 a3=new CellSignalStrengthGsm1();
a3.initialize(signalStrength.getGsmSignalStrength(), 1);
MyService.signal=a3.getDbm();
}
if(MyService.signal>0)
{
CellSignalStrengthCdma1 a2=new CellSignalStrengthCdma1();
a2.initialize(signalStrength.getCdmaDbm(),signalStrength.getCdmaEcio(),signalStrength.getEvdoDbm(), signalStrength.getEvdoEcio(),signalStrength.getEvdoSnr());
MyService.signal=a2.getDbm();
}
}